Grizzly Lathe G4015Z User Manual
MODEL G4015Z  
COMBINATION LATHE/MILL  
OWNER'S MANUAL  
COPYRIGHT © MARCH, 2002 BY GRIZZLY INDUSTRIAL, INC. REVISED MAY, 2007 (TR)  
WARNING: NO PORTION OF THIS MANUAL MAY BE REPRODUCED IN ANY SHAPE  
OR FORM WITHOUT THE WRITTEN APPROVAL OF GRIZZLY INDUSTRIAL, INC.  
#DD3737 PRINTED IN CHINA  
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Table Of Contents  
PAGE  
1.  
2.  
SAFETY  
SAFETY RULES FOR POWER TOOLS ............................................................................................2-3  
ADDITIONAL SAFETY INSTRUCTIONS FOR LATHE/MILLS ..............................................................4  
CIRCUIT REQUIREMENTS  
110V OPERATION ................................................................................................................................5  
EXTENSION CORDS ............................................................................................................................5  
GROUNDING ........................................................................................................................................6  
INTRODUCTION  
3.  
COMMENTARY......................................................................................................................................7  
UNPACKING ..........................................................................................................................................8  
PIECE INVENTORY ..............................................................................................................................8  
LIFTING..................................................................................................................................................9  
CLEAN UP............................................................................................................................................10  
SITE CONSIDERATIONS ....................................................................................................................10  
IDENTIFICATION  
4.  
5.  
MACHINE TERMS................................................................................................................................11  
ASSEMBLY & SETUP  
HANDWHEEL ......................................................................................................................................12  
HAND CRANK ................................................................................................................................12-13  
LATHE CHUCK ....................................................................................................................................13  
LATHE CHUCK REMOVAL ............................................................................................................14-15  
DEAD CENTER....................................................................................................................................16  
TOOL POST ........................................................................................................................................17  
DRILL CHUCK......................................................................................................................................18  
DRILL CHUCK REMOVAL ..................................................................................................................18  
DRILL PRESS MOUNTING..................................................................................................................19  
LATHE MOUNTING..............................................................................................................................19  
MACHINE VISE....................................................................................................................................20  
LATHE CONTROLS  
6.  
LATHE SPEEDS ..................................................................................................................................21  
FEED SELECTION ..............................................................................................................................22  
FEED LEVER ......................................................................................................................................22  
HALF NUT............................................................................................................................................23  
CARRIAGE CONTROLS ................................................................................................................23-24  
TAILSTOCK CONTROLS ....................................................................................................................24  
DRILL PRESS CONTROLS  
DRILL PRESS SPEEDS ................................................................................................................25-26  
FINE DOWN FEED ..............................................................................................................................26  
ADJUSTMENTS  
7.  
8.  
GIBS................................................................................................................................................27-28  
HEAD STOCK ......................................................................................................................................28  
TAILSTOCK ....................................................................................................................................29-30  
OPERATIONS  
9.  
CONTROL PANEL ..............................................................................................................................31  
TEST RUN............................................................................................................................................32  
READING THE CHARTS ....................................................................................................................33  
FEED RATES ......................................................................................................................................33  
CHANGING GEARS........................................................................................................................34-35  
INCH THREADING..........................................................................................................................36-37  
POWER FEED ....................................................................................................................................38  
MAINTENANCE  
LUBRICATION ................................................................................................................................39-40  
BEARING PRELOAD ..........................................................................................................................40  
CLOSURE....................................................................................................................................................41  
MACHINE DATA ..................................................................................................................................42  
YOUR NOTES......................................................................................................................................43  
PARTS BREAKDOWN AND PARTS LISTS ..................................................................................44-57  
WARRANTY AND RETURNS..............................................................................................................58  
10.  
11.  
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SECTION 1: SAFETY  
For Your Own Safety Read Instruction  
Manual Before Operating This Equipment  
The purpose of safety symbols is to attract your attention to possible hazardous conditions.  
This manual uses a series of symbols and signal words which are intended to convey the level  
of importance of the safety messages. The progression of symbols is described below.  
Remember that safety messages by themselves do not eliminate danger and are not a substi-  
tute for proper accident prevention measures.  
Indicates an imminently hazardous situation which, if not  
avoided, WILL result in death or serious injury.  
Indicates a potentially hazardous situation which, if not  
avoided, COULD result in death or serious injury.  
Indicates a potentially hazardous situation which, if not  
avoided, MAY result in minor or moderate injury. It may also  
be used to alert against unsafe practices.  
This symbol is used to alert the user to useful information  
about proper operation of the equipment.  
NOTICE  
Safety Instructions For Power Tools  
1. KEEP GUARDS IN PLACE and in working  
5. KEEP CHILDREN AND VISITORS  
AWAY. All children and visitors should be  
kept a safe distance from work area.  
order.  
2. REMOVE ADJUSTING KEYS AND  
WRENCHES. Form habit of checking to  
see that keys and adjusting wrenches are  
removed from tool before turning on.  
6. MAKE WORKSHOP CHILD PROOF with  
padlocks, master switches, or by removing  
starter keys.  
3. KEEP WORK AREA CLEAN. Cluttered  
7. NEVER FORCE TOOL. It will do the job  
better and safer at the rate for which it was  
designed.  
areas and benches invite accidents.  
4. NEVER USE IN DANGEROUS ENVI-  
RONMENT. Do not use power tools in  
damp or wet locations, or where any flam-  
mable or noxious fumes may exist. Keep  
work area well lighted.  
8. USE RIGHT TOOL. Do not force tool or  
attachment to do a job for which it was not  
designed.  
G4015Z Lathe/Mill  
-2-  
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Safety Instructions For Power Tools  
9. USE PROPER EXTENSION CORD. Make  
sure your extension cord is in good condi-  
tion. Conductor size should be in accor-  
dance with the chart below. The amperage  
rating should be listed on the motor or tool  
nameplate. An undersized cord will cause  
a drop in line voltage resulting in loss of  
power and overheating. Your extension  
cord must also contain a ground wire and  
plug pin. Always repair or replace exten-  
sion cords if they become damaged.  
15. USE RECOMMENDED ACCESSORIES.  
Consult the owner’s manual for recom-  
mended accessories. The use of improper  
accessories may cause risk of injury.  
16. REDUCE THE RISK OF UNINTENTION-  
AL STARTING. On machines with magnet-  
ic contact starting switches there is a risk of  
starting if the machine is bumped or jarred.  
Always disconnect from power source  
before adjusting or servicing. Make sure  
switch is in OFF position before reconnecting.  
Minimum Gauge for Extension Cords  
17. CHECK DAMAGED PARTS. Before fur-  
ther use of the tool, a guard or other part  
that is damaged should be carefully  
checked to determine that it will operate  
properly and perform its intended function.  
Check for alignment of moving parts, bind-  
ing of moving parts, breakage of parts,  
mounting, and any other conditions that  
may affect its operation. A guard or other  
part that is damaged should be properly  
repaired or replaced.  
LENGTH  
AMP RATING  
0-6  
25ft  
18  
18  
16  
14  
12  
10  
50ft 100ft  
16  
16  
16  
12  
12  
10  
16  
14  
14  
12  
10  
No  
7-10  
11-12  
13-16  
17-20  
21-30  
10. WEAR PROPER APPAREL. Do not wear  
loose clothing, gloves, neckties, rings,  
bracelets, or other jewelry which may get  
caught in moving parts. Non-slip footwear  
is recommended. Wear protective hair cov-  
ering to contain long hair.  
18. NEVER LEAVE TOOL RUNNING UNAT-  
TENDED. TURN POWER OFF. Do not  
leave tool until it comes to a complete stop.  
19. NEVER OPERATE A MACHINE WHEN  
TIRED, OR UNDER THE INFLUENCE OF  
DRUGS OR ALCOHOL. Full mental alert-  
ness is required at all times when running a  
machine.  
11. ALWAYS USE SAFETY GLASSES. Also  
use face or dust mask if cutting operation is  
dusty. Everyday eyeglasses only have impact  
resistant lenses, they are NOT safety glasses.  
20. NEVER ALLOW UNSUPERVISED OR  
UNTRAINED PERSONNEL TO OPER-  
ATE THE MACHINE. Make sure any  
instructions you give in regards to machine  
operation are approved, correct, safe, and  
clearly understood.  
12. SECURE WORK. Use clamps or a vise to hold  
work when practical. It’s safer than using your  
hand and frees both hands to operate tool.  
13. DO NOT OVER-REACH. Keep proper  
footing and balance at all times.  
21. IF AT ANY TIME YOU ARE EXPERIENC-  
ING DIFFICULTIES performing the intend-  
ed operation, stop using the machine! Then  
contact our service department or ask a  
qualified expert how the operation should  
be performed.  
14. MAINTAIN TOOLS WITH CARE. Keep  
tools sharp and clean for best and safest  
performance. Follow instructions for lubri-  
cating and changing accessories.  
G4015Z Lathe/Mill  
-3-  
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Additional Safety Instructions For Lathe/Mills  
1. MAKE SURE ALL GUARDS are in place  
and that the lathe/mill sits on a flat, stable  
surface.  
9. NEVER OPERATE THE LATHE/MILL  
WITH DAMAGED OR WORN PARTS.  
Maintain your lathe/mill in proper working  
condition. Perform routine inspections and  
maintenance promptly when called for. Put  
away adjustment tools after use.  
2. BEFORE STARTING THE MACHINE be  
certain the workpiece has been properly  
engaged in the chuck and tailstock center  
(if in use) and that there is adequate clear-  
ance for full rotation.  
10. MAKE SURE LATHE/MILL IS TURNED  
OFF, disconnected from its power source  
and all moving parts have come to a com-  
plete stop before starting any inspection,  
adjustment, or maintenance procedure.  
3. ADJUST TOOL HOLDER to provide prop-  
er support for the turning tool you will be  
using. Test tool holder clearance by rotating  
workpiece by hand before turning lathe on.  
11. KEEP LOOSE CLOTHING ARTICLES  
such as sleeves, belts or jewelry items away  
from the lathe and drill spindles.  
4. SELECT THE TURNING SPEED which is  
appropriate for the type of work and mater-  
ial. Allow the lathe to gain its full speed  
before beginning a cut.  
12. ALWAYS USE THE PROPER CUTTING  
TOOLS for the material you are turning,  
make certain they are sharp and that they  
are held firmly in the tool holder.  
5. NEVER CHANGE FEED RATE or spindle  
speeds while the lathe is in motion.  
13. ALWAYS PLACE A BOARD OR PIECE  
OF PLYWOOD ACROSS THE BEDWAY  
when removing or installing chucks to avoid  
the possibility of a finger pinch occurring  
between a loose chuck and the edges of the  
bedway.  
6. NEVER REVERSE MOTOR DIRECTION  
while the lathe/mill is in motion.  
7. DO NOT STOP LATHE USING YOUR  
HAND against the workpiece or chuck.  
8. DO NOT LEAVE LATHE/MILL RUNNING  
14. NEVER LEAVE A CHUCK KEY IN THE  
DRILL CHUCK OR LATHE CHUCK.  
UNATTENDED for any reason.  
Like all power tools, there is danger asso-  
ciated with the Model G4015Z Lathe/Mill.  
Accidents are frequently caused by lack of  
familiarity or failure to pay attention. Use  
this tool with respect and caution to lessen  
the possibility of operator injury. If normal  
safety precautions are overlooked or  
ignored, serious personal injury may  
occur.  
No list of safety guidelines can be complete.  
Every shop environment is different. Always  
consider safety first, as it applies to your  
individual working conditions. Use this and  
other machinery with caution and respect.  
Failure to do so could result in serious per-  
sonal injury, damage to equipment or poor  
work results.  
-4-  
G4015Z Lathe/Mill  
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SECTION 2: CIRCUIT REQUIREMENTS  
Extension Cords  
110V Operation  
The Model G4015Z Lathe/Mill is wired for 110  
volt, single phase operation. The ⁄4 H.P. motor  
If you find it necessary to use an extension cord  
with the Model G4015Z, make sure the cord is  
rated Hard Service (grade S) or better. Refer to  
the chart in the standard safety instructions to  
determine the minimum gauge for the extension  
cord. The extension cord must also contain a  
ground wire and plug pin. Always repair or  
replace extension cords when they become worn  
or damaged.  
3
will safely draw 8.7 amps at 110V. A 10-amp fuse  
or circuit breaker should be used when connect-  
ing this combination lathe/mill to power. Circuit  
breakers rated any higher are not adequate to  
protect the circuit. Always check to see if the  
wires in the circuit are capable of handling a 8.7  
amp load. If you are unsure, consult a qualified  
electrician.  
If you operate this lathe/mill on any circuit that is  
already close to its capacity, it might blow a fuse  
or trip a circuit breaker. However, if an unusual  
load does not exist and a power failure still  
occurs, contact a qualified electrician or our ser-  
vice department.  
Potential for electrical  
shock hazard, this equip-  
ment must be grounded.  
Verify that any existing  
electrical outlet and cir-  
cuit you use are actually  
grounded. If not, it will be  
necessary to run a sepa-  
rate 12 A.W.G. copper  
grounding wire from the  
outlet to a known ground.  
If not grounded properly,  
serious personal injury  
may occur.  
G4015Z Lathe/Mill  
-5-  
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Grounding  
In the event of an electrical short, grounding  
reduces the risk of electric shock by providing a  
path of least resistance to disperse electric cur-  
rent. This tool is equipped with a power cord hav-  
ing an equipment-grounding conductor. See  
Figure 1. The outlet must be properly installed  
and grounded in accordance with all local codes  
and ordinances.  
Figure 1. Typical 110V plug and outlet.  
Never remove the grounding pin from any plug.  
-6-  
G4015Z Lathe/Mill  
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SECTION 3: INTRODUCTION  
Most importantly, we stand behind our machines.  
Commentary  
If you have any service questions or parts  
requests, please call or write us at the location  
listed below.  
We are proud to offer the Model G4015Z  
Lathe/Mill. The Model G4015Z is part of a grow-  
ing Grizzly family of fine metalworking machinery.  
When used according to the guidelines set forth  
in this manual, you can expect years of trouble-  
free, enjoyable operation and proof of Grizzly’s  
commitment to customer satisfaction.  
Grizzly Industrial, Inc.  
1203 Lycoming Mall Circle  
Pennsdale, PA 17756  
Phone: (570) 546-9663  
Fax: (800) 438-5901  
E-Mail: [email protected]  
Web Site: http://www.grizzly.com  
The Model G4015Z is a precision metalworking  
lathe/mill. The lathe features a 161⁄2" swing, 19.2"  
between centers and 6 speeds ranging from 185  
to 1455 R.P.M. The milling portion of the machine  
features a swing of 12", 14 speeds ranging from  
117 to 1300 R.P.M. and a vise with a 23⁄4" capac-  
The specifications, drawings, and photographs  
illustrated in this manual represent the Model  
G4015Z as supplied when the manual was pre-  
pared. However, owing to Grizzly’s policy of con-  
tinuous improvement, changes may be made at  
any time with no obligation on the part of Grizzly.  
Whenever possible, though, we send manual  
updates to all owners of a particular tool or  
machine. Should you receive one, we urge you to  
insert the new information with the old and keep  
it for reference.  
3
ity. The electrical package consists of a ⁄4 H.P.,  
110V motor, reversing switch and cord set.  
We are also pleased to provide this manual with  
the Model G4015Z. It was written to guide you  
through assembly, review safety considerations,  
and cover general operating procedures. It repre-  
sents our effort to produce the best documenta-  
tion possible. If you have any comments regard-  
ing this manual, please write to us at the address  
below:  
To operate this, or any power tool, safely  
and efficiently, it is essential to become as  
familiar with its characteristics as possible.  
The time you invest before you begin to use  
your Model G4015Z will be time well spent.  
DO NOT operate this machine until you are  
completely familiar with the contents of this  
manual. Make sure you read and under-  
stand all of the safety procedures. If you do  
not understand something, DO NOT operate  
the machine.  
Grizzly Industrial, Inc.  
Technical Documentation  
P.O. Box 2069  
C
/O  
Bellingham, WA 98227-2069  
Read the manual before  
assembly and operation.  
Serious personal injury  
may result if safety or  
operational information  
is not understood or fol-  
lowed.  
G4015Z Lathe/Mill  
-7-  
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Unpacking  
Piece Inventory  
The Model G4015Z is, for the most part, pre-  
assembled at the factory. Inside the crate you’ll  
find:  
This combination lathe/mill is shipped from the  
manufacturer in a carefully packed crate. If you  
discover the machine is damaged after you’ve  
signed for delivery, and the truck and driver are  
gone, you will need to file a freight claim with the  
carrier. Save the containers and all packing mate-  
rials for possible inspection by the carrier or its  
agent. Without the packing materials, filing a  
freight claim can be difficult. If you need assis-  
tance determining whether you need to file a  
freight claim, or with the procedure to file one,  
please contact our Customer Service.  
• The Model G4015Z Combination Lathe/Mill  
• 6 mm Allen® Wrench  
• 5 mm Allen® Wrench  
• 4 mm Allen® Wrench  
• 3 mm Allen® Wrench  
• Open End Wrench  
• 24T Gear  
• 25T Gear  
• 27T Gears  
• 30T Gear  
• 33T Gear  
• 36T Gear  
• 42T Gear  
• 48T Gear  
• 60T Gear  
• 72T Gear  
• 120T Gear  
• 125/127T Combination Gear  
• 120/60T Combination Gear  
• Lathe Chuck Key  
• Drill Chuck (Installed)  
• Drill Chuck Arbor (Installed)  
• Drill Chuck Key  
• 3 Outside Jaws  
• (2) MT #3 Centers  
• Knock Out Wedge  
• Handle  
Some metal parts may  
have sharp edges on  
them after they are  
formed. Please examine  
the edges of all metal  
parts before handling  
them. Failure to do so  
could result in injury.  
When you are completely satisfied with the con-  
dition of your shipment, you should inventory its  
parts.  
• Hand Crank  
In the event that any non-proprietary parts are  
missing (e.g. a nut or a washer), we would be  
glad to replace them, or, for the sake of expedi-  
ency, replacements can be obtained at your local  
hardware store.  
-8-  
G4015Z Lathe/Mill  
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Lifting Machine  
The Model G4015Z is a  
heavy machine, 440 lbs.  
shipping weight. DO  
NOT move the machine  
by yourself – you will  
need assistance and  
The Model G4015Z requires the use of lifting  
equipment such as a fork lift, engine hoist or  
boom crane. Do Not lift the machine by hand.  
See the warning at the right. Used in conjunction  
with lifting straps and following safe lifting proce-  
dures as detailed by the manufactures of these  
lifting devices, the lathe/mill can be safely lifted  
off of the pallet and placed on a sturdy work  
bench.  
power  
equipment.  
Serious personal injury  
may occur if safe moving  
methods are not fol-  
lowed.  
Do Not lift the machine from any other points  
than those pictured in Figure 2.  
If moving this machine  
up or down stairs, the  
machine must be dis-  
mantled and moved in  
smaller pieces. Make  
sure floor and stair  
structures are capable of  
supporting the com-  
bined weight of the  
machine parts and the  
people moving them.  
Figure 2. Use only these lifting points.  
G4015Z Lathe/Mill  
-9-  
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Site Considerations  
Clean Up  
FLOOR AND WORKBENCH LOAD  
The unpainted surfaces are coated with a waxy  
oil to protect them from corrosion during ship-  
ment. Remove this protective coating with a sol-  
vent cleaner or citrus-based degreaser, like  
Grizzly’s G7895 Citrus Engine Degreaser. Avoid  
chlorine-based solvents as they may damage  
painted surfaces should they come in contact.  
Always follow the usage instructions on the prod-  
uct you choose for clean up.  
Your Model G4015Z represents a large weight  
load in a 18" x 363⁄4" footprint. Most commercial or  
garage shop floors should be sufficient to carry  
the weight. Before moving the Lathe/Mill onto a  
residential floor, inspect it carefully to determine  
that it will be sufficient to carry the load of the  
machine, the device for moving it and its opera-  
tors. If you question the strength of your floor, you  
should consider having it inspected for possible  
reinforcement. The workbench the machine rests  
on should be strong and stable enough to hold  
the weight of the machine and the workpiece to  
be turned.  
Do not use gasoline or  
other petroleum-based  
solvents to clean with.  
They have low flash  
points which make them  
extremely flammable. A  
risk of explosion and  
burning exists if these  
products are used.  
Serious personal injury  
may occur.  
WORKING CLEARANCES  
Working clearances can be thought of as the dis-  
tances between machines and obstacles that  
allow safe operation of every machine without  
limitation. Consider existing and anticipated  
machine needs, size of material to be processed  
through each machine, and space for auxiliary  
stands and/or work tables. Also consider the rel-  
ative position of each machine to one another for  
efficient material handling.  
Do not smoke while using  
solvents. A risk of explo-  
sion or fire exists and may  
result in serious personal  
injury.  
LIGHTING AND OUTLETS  
Lighting should be bright enough to eliminate  
shadow and prevent eye strain. Electrical circuits  
should be dedicated or large enough to handle  
amperage requirements. Outlets should be locat-  
ed near each machine so power or extension  
cords are clear of high-traffic areas. Observe  
local electrical codes for proper installation of  
new lighting, outlets, or circuits.  
Many of the solvents  
commonly used to clean  
machinery can be toxic  
when inhaled or ingest-  
ed. Always work in well-  
ventilated areas far from  
potential ignition sources  
when dealing with sol-  
vents. Use care when dis-  
posing of waste rags and  
towels to be sure they do  
not create fire or environ-  
mental hazards.  
Make your shop “child  
safe.” Ensure that your  
workplace is inaccessible  
to youngsters by closing  
and locking all entrances  
when you are away. Never  
allow visitors in your shop  
when assembling, adjust-  
ing or operating equipment.  
-10-  
G4015Z Lathe/Mill  
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SECTION 4: IDENTIFICATION  
Figure 3. The following is a list of controls and components on the Model G4015Z. Please take time to  
become familiar with each term and its location. These terms will be used throughout the manual and know-  
ing them will aid in comprehension. Most of these terms will be shown in italics (italics) throughout the man-  
ual.  
11. Feed Lever  
12. Cross Feed Handle  
13. Power Feed/Half Nut Lever  
14. Lifting Peg  
Machine Terms  
15. Lead Screw  
1. Fine Down Feed  
2. Quill Lever (Coarse Down Feed)  
3. Upper Belt Guard  
4. Head Stock  
5. Head Elevator  
6. Column  
16. Longitudinal Feed Handle  
17. Tailstock Lock Handle  
18. Tailstock Handle  
19. Tailstock Barrel Lock  
20. Compound Handle  
21. Tool Post  
7. Lower Belt Guard  
8. Off Switch  
9. On Switch  
22. Drill Chuck  
23. 3 Jaw Chuck  
24. Feed Rate Lever  
25. Quill Lock Lever  
10. Reset Button  
G4015Z Lathe/Mill  
-11-  
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SECTION 5: ASSEMBLY & SETUP  
This section will cover the basics in assembly and  
setup. We recommend you complete assembly in  
the order in which it is presented to achieve the  
best results.  
Do not connect the  
machine to power at  
this time. The machine  
must remain unplugged  
throughout the entire  
assembly  
process.  
Failure to do this may  
result in serious per-  
sonal injury.  
Figure 4. Secure the handle with a screw driver.  
Handwheel  
Hand Crank  
The handwheel for the apron must be installed.  
1. Remove the acorn nut and washer from the  
cross feed Lead Screw.  
The hand crank for the longitudinal manual feed  
must be installed.  
2. Slide the handwheel onto the cross feed  
Lead Screw. Note the key way that is in the  
bore of the handwheel and orient it so it  
aligns with the key on the cross feed Lead  
Screw.  
1. The end of the Lead Screw has a small hole  
that is cross-drilled near its end. The hand  
crank has a similar hole drilled into the edge  
of the center ball. Orient these holes to each  
other and slide the hand crank onto the end  
of the shaft.  
3. Secure the handwheel with the acorn nut  
and washer.  
2. Rotate the hand crank on the shaft until the  
4. Secure the handle for the handwheel with a  
screw driver as in Figure 4.  
holes align.  
3. Place the 4mm roll pin into the hole as in  
Figure 5 and drive it in with a hammer.  
-12-  
G4015 Lathe/Mill  
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Figure 5. Place roll pin in hole and tap with hammer.  
Figure 6. Rotate chuck key to open/close jaws.  
To use this mounting plate:  
1. Fasten the plate to the 4-jaw chuck using the  
screws provided with the chuck.  
Lathe Chuck  
2. Fasten the plate to the spindle plate using  
the 3 screws that were removed from the 3-  
jaw chuck.  
The Model G4015Z Lathe/Mill comes equipped  
with a 4'' 3-jaw chuck (already installed).  
DO NOT mount chucks measuring larger than 5"  
in diameter on this spindle.  
The 3-jaw chuck is a scroll-type chuck, meaning  
that all three jaws move in unison when adjust-  
ments are made. Most 4-jaw chucks, on the other  
hand, feature jaws which are adjusted indepen-  
dently. A 4-jaw chuck can be used to hold square  
or rectangular stock.  
Some 4-jaw chucks may not readily mount to the  
back plate provided. It may be necessary to drill  
new mounting holes and/or resurface and shoul-  
der the plate so the chuck may be mounted accu-  
rately and safely. Should you have questions  
regarding this, please consult your local technical  
school, trained expert or other trade resources.  
The 3 jaws, on a 3 Jaw Chuck, open and close  
using the chuck key provided. Please refer to  
Figure 6. Rotating the key clockwise closes the  
jaws.  
Grizzly offers 4-jaw chucks. Please note that a 5"  
adapter plate has been provided for mounting a  
4-jaw chuck. Please see Grizzly’s current catalog  
for ordering information on 4-jaw chucks.  
G4015 Lathe/Mill  
-13-  
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To remove a chuck:  
Lathe Chuck Removal  
1. Place a piece of plywood across the lathe  
bed and position it just under the chuck. The  
board should be at least 8" wide and 10"  
long.  
ALWAYS place a piece  
of plywood over the  
bed-ways of the lathe  
before removing or  
2. Locate the 3 socket head cap screws on the  
back of the back plate and remove 2 of them.  
Please see Figure 7.  
installing  
a
lathe  
3. Remove the last screw, while making sure to  
support the chuck with one hand. The chuck  
may come off as the last screw is removed  
so it is important that you are ready to sup-  
port its weight.  
chuck. This helps by  
covering the sharp cor-  
ners of the bed, pro-  
tecting your hands and  
fingers from a pinch  
injury.  
4. Remove the chuck.  
Never leave a chuck key in the chuck when  
it is not in use. If the machine is accidental-  
ly started, the chuck key can become a pro-  
jectile and cause serious personal injury.  
-14-  
G4015Z Lathe/Mill  
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To install a chuck:  
Chuck and back plate join here.  
1. Place a piece of plywood across the lathe  
bed and position it just under the spindle.  
2. Place a socket head screw into one of the  
holes in the back plate. Lift the chuck up to  
the spindle and align the threaded hole in the  
back of the chuck with the screw.  
3. While supporting the weight of the chuck,  
turn the screw 3 turns. Do not tighten at this  
time.  
4. Rotate the spindle and repeat step 3 on the  
Socket head cap screw  
last two screws.  
Figure 7. Remove screw from the back of chuck.  
5. Return to the first screw and tighten it a little  
more. Tighten the other screws as well but  
only enough that the gap between the chuck  
and the back plate remains even.  
If the chuck is still tight on the spindle:  
Tap the edge of the chuck with a rubber or wood-  
en mallet while supporting the bottom of the  
chuck with your free hand. If the chuck does not  
immediately come off, rotate the spindle approxi-  
mately 60˚ and tap again.  
6. Finally, tighten all three screws until the gap  
between the chuck and the back plate is  
closed.  
G4015Z Lathe/Mill  
-15-  
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The tailstock barrel and center have a Morse  
Taper #3. Before assembling these, insure that  
the mating surfaces are “white glove” clean.  
Clean the mating surfaces so they are free of dirt  
and oil. These parts will last longer and remain  
accurate when properly cleaned before assem-  
bly. Morse tapers will not interlock when dirt or oil  
are present on the mounting surfaces.  
Dead Center  
The dead center is used to support stock which is  
too long to be supported by the chuck alone.  
Stock protruding more than 21⁄2 times its diameter  
should be supported by a dead or rolling center.  
Insert the end of the center into the tailstock bore  
until it seats. The force of the center contacting a  
mounted workpiece will fully seat the taper when  
the handwheel is tightened.  
When using a center, the tailstock barrel should  
1
protrude about ⁄2'' and not more than 11⁄4'' out of  
the tailstock body. See Figure 8.  
To remove the live center, back the tailstock bar-  
rel all the way into the tailstock casting by turning  
the handwheel, on the end of the tailstock, coun-  
terclockwise. The live center will pop out. Be sure  
to hold it before it comes out lest it drop on the  
lathe bed and damage the tip.  
Figure 8. Dead center installed in tailstock.  
Always use a center  
to support the end of  
D
any workpiece that  
protrudes out of the  
chuck further than  
21⁄2 times its own  
diameter. A work-  
21⁄2 x D  
piece not supported  
this way could bend  
suddenly and cause  
serious  
injury.  
personal  
-16-  
G4015 Lathe/Mill  
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Tool Post  
1
5
The Model G4015Z comes supplied with a 4 way  
turret tool post. It is designed to accept up to 4-  
1
4
⁄2" tool bits. Other devices and holders may be  
installed into the tool post and arranged as in  
Figure 9. When more than one tool is secured  
into the tool post, changing from one tool to  
another is quickly done by loosening the lock  
lever (#5) and rotating the post to the desired tool.  
A spring-loaded catch is installed below the tool  
post. This allows motion in only the counter-  
clockwise direction. The catch causes the tool  
post to stop at the same rotational point for each  
tool placement. This feature can be useful for  
some types of machining setups. Please note  
that the secureness of the tool post is not depen-  
dent upon the catch. Thus, the tool post can be  
positioned at any rotational location and properly  
secured with the lock lever.  
2
3
Figure 9. Four tools mounted into the tool post:  
1. Boring Bar  
2. Left-Cutting Tool Bit  
3. Threading Tool Bit  
4. Right-Cutting Tool Bit  
5. Lock Lever  
If using tool bits that require shimming, be sure to  
use steel shims as opposed to aluminum or brass  
shims. Soft shims may give, allowing the tool bit  
to become loose!  
When securing a tool bit into the tool post, always  
remember these rules:  
• Secure the tool bit with at least 2 bolts on the  
tool post.  
• Make sure the top of the tool bit is at the lathe  
spindle center line or just below. The tailstock  
center can be used as in Figure 10.  
Figure 10. Using a center to check tool bit height.  
• Never extend the tool bit more than 21⁄2 times its  
thickness from the edge of the tool rest. i.e. a  
3
⁄
8" tool bit should only extend 15⁄16" past the bot-  
tom of the tool rest. Less is best!  
• Always use sharp tool bits.  
G4015 Lathe/Mill  
-17-  
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Drill Chuck  
Drill Chuck Removal  
The Model G4015Z comes supplied with a drill  
chuck and arbor that can be used in the tailstock  
on the lathe or in the spindle for the drill press.  
The arbor and drill chuck are assembled and  
installed into the spindle for the drill press spindle  
at the factory.  
To remove the drill chuck from the drill press:  
1. Unplug the machine.  
2. Return the spindle to the highest position.  
3. Remove the small plastic cap on top of the  
belt guard.  
4. Grasp the drill chuck with one hand and  
unscrew the draw bar 3 turns with the other.  
5. Secure the quill with the quill lock.  
6. Tap on the end of the draw bar with a soft  
faced mallet as in Figure 11. Do Not use a  
steel hammer! Damage to the draw bar,  
such as chipping, may occur.  
7. Once the arbor has become loose, hold the  
drill chuck with one hand while unthreading  
the remainder of the draw bolt.  
Figure 11. Removing drill chuck.  
-18-  
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Drill Press Mounting  
Lathe Mounting  
To mount the drill chuck into the drill press:  
Prior to mounting the drill chuck into the tailstock  
wipe the inside of the tailstock barrel and arbor  
down with a clean cloth and inspect them for  
nicks or scratches. Any irregularities on the sur-  
face of the arbor or inside the tailstock barrel will  
hinder the locking capability of the taper and  
should be dressed smooth with a fine file.  
1. Remove the small plastic cap on top of the  
belt guard and slide the draw bar out of the  
spindle through the top.  
2. Insert the arbor half way into the drill press  
spindle, then quickly slide it in place.  
To mount the drill chuck into the tailstock of the  
lathe, slide the arbor into the tailstock barrel  
about one half of the way. With a quick motion,  
finish sliding the chuck the rest of the way. This  
should seat it well into the tailstock barrel.  
3. Replace the draw bar and thread it into the  
arbor. Do Not over tighten! The draw bar  
only needs to be lightly tightened.  
Tightening any further will make it difficult to  
remove the arbor!  
Because the drill chuck arbor is threaded on the  
small end, removal requires the use of a mallet  
and a wooden dowel as in  
Tap along  
Figure 12.  
the back edge of the drill chuck on the left and  
then the right. The drill chuck and arbor will pop  
loose from the tailstock barrel.  
Drill chuck arbors with a standard tang (or flat) on  
the small end allow the operator to simply turn  
the tailstock handwheel counterclockwise until  
the drill chuck and arbor pop loose. Grizzly offers  
a variety of chucks and arbors. Please see our  
current catalog for more information.  
Figure 12. Seating the arbor and drill chuck.  
G4015Z Lathe/Mill  
-19-  
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Machine Vise  
The Model G4015Z comes supplied with a milling  
vise which also serves as the compound for the  
lathe. The 4-way tool post must be removed  
before using the vise. Loosen the lock handle  
and slide the tool post off of the compound/vise  
as in Figure 13.  
The milling vise can be aligned to 1 of the 2 axes  
of the lathe or at any angle desired. Care must be  
given to setting the vise if a precision angle is  
needed. The following instructions are given to  
make the jaws parallel to the travel of the cross  
slide.  
Figure 13. Sliding the tool post off.  
1. Remove the tool post as described above.  
Never use a vise for  
milling unless it is rated  
for milling machines.  
Drill press or bench  
vises are not designed  
for the rigors of machin-  
ing. Vise failure during  
a milling operation may  
lead to serious personal  
injury.  
2. Loosen the swivel bolts on the  
compound/vise so it can swivel freely. Pivot  
the compound/vise so the jaws of the vise  
are roughly aligned with the cross slide.  
3. Mount the drill chuck into the milling spindle  
and secure an indicator into it or, place a dial  
indicator mounted to a magnetic base on the  
bed as in Figure 14.  
4. Position the cross slide and apron so the  
indicator point contacts the stationary vise  
jaw or a parallel mounted into the vise.  
5. Move the cross slide with the hand wheel  
and watch the dial. Note the direction the  
needle is moving on the dial and by how  
much.  
6. When the vise has moved so the indicator is  
at the other end of the parallel, pivot the vise  
one half the amount of motion detected in  
step 6.  
7. Move the vise to the starting position and  
note the difference. Again, pivot the vise one  
half the difference.  
Figure 14. Aligning vise for precision.  
8. Repeat steps 6 through 8 until the dial  
remains stationary when the vise is moved.  
9. Tighten the pivot bolts on the base of the  
compound/vise.  
-20-  
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SECTION 6: LATHE CONTROLS  
the motor pulley.  
Lathe Speeds  
5. Place the upper belt in the desired position.  
6. Place the bottom belt in the desired pulleys.  
Before using the lathe, the hub on the end of the  
lathe spindle must be pulled out as shown in  
Figure 15. To ease engagement of this hub,  
slowly rotate the lathe spindle by hand while gen-  
tly pulling the hub.  
7. Pull tension on the upper belt with the middle  
pulley and tighten the nut loosened in step 3.  
8. Tighten the tensioning nut just above the  
motor until there is 1⁄4" deflection with moder-  
ate pressure. Do not over tighten.  
LATHE  
SPINDLE  
PULLEY  
LATHE S PEEDS  
HUB  
PULLED  
OUT  
D
E
F
MIDDLE  
PULLEY  
A-F A-E A-D B-F C-F B-E C-D  
C
B
A
RPM 160 310 375 480 610 880 1380  
MOTOR  
PULLEY  
Figure 15. Speed chart.  
The speed of the lathe is controlled by the posi-  
tions of the belts on the pulleys. The chart in  
Figure 15 shows the various combinations of belt  
positions for achieving a range of 6 speeds.  
Figure 16. Tension nut shown.  
Example:  
To select a spindle speed of 310 R.P.M., place a  
belt on the 3rd sheave (from the outer-most  
sheave) of the middle pulley and the 2nd sheave  
of the spindle pulley. Place a belt from the first  
sheave on the motor pulley to the first sheave of  
the middle pulley.  
To change belt position:  
1. Unplug the machine.  
2. Loosen the tensioning nut located just above  
the motor. See Figure 16.  
3. Loosen the nut on shaft for the middle pulley.  
Figure 17. Loosen this nut to adjust pulley.  
See Figure 17.  
4. Lift the motor and remove the lower belt from  
G4015Z Lathe/Mill  
-21-  
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Feed Selection  
Feed Lever  
Never move the feed rate lever while machine  
is running.  
While the Lead Screw can be placed in neutral  
with the feed selection lever, another lever allows  
the power feeding feature of the lathe to be  
turned on and off. When turned to the left, as in  
Figure 18, the Feed Lever connects power to the  
Lead Screw, providing power to the apron. When  
turned to the right, the apron can be fed manual-  
ly and the hand crank no longer turns by itself.  
The apron cannot be moved manually unless the  
Feed Rate Lever is in neutral or the Feed Lever is  
turned to the right. Please see the caution below.  
The Model G4015Z Lathe/Mill has 2 feed control  
levers which must be engaged in order to use the  
powerfeed or threading feature.The Feed Rate  
Lever, shown in Figure 18, controls internal  
gears that change the feed rate by a factor of 2.  
Turning the lever to position “I” will cause the  
Lead Screw to turn at twice the rate as when it is  
in position “II”. When this lever is straight up, the  
gearing is in neutral and no power feed is avail-  
able.  
Figure 18. Feed Lever indicated by arrow.  
Figure 18. Feed rate selection lever.  
Important:  
The crank handle turns  
whenever the power feed  
feature is used. Do not  
rest your hand on it or  
allow clothing to come  
near it before engaging  
feed lever or while it is  
turning.  
Do not force any lever on the machine. If the  
lever will not engage, rotate the chuck by hand  
while keeping light pressure on the selector. As  
the chuck rotates it aligns the gear teeth inside  
the selector box and the selector will engage.  
-22-  
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Half Nut  
Carriage Controls  
The half nut lever is located under the left hand  
side apron as shown in Figure 19. This handle  
may be engaged and disengaged while the  
machine is running and while making a cut. Move  
the lever to the down position and the half nut is  
engaged. Because the threads of the nut and  
Lead Screw will not always be aligned, engaging  
the half nut may require waiting until they are. Do  
not force the handle. Apply light pressure to the  
handle and when the threads are aligned the  
handle will engage.  
The lathe has 3 handles for manual control of the  
tool bit during machining operations. One full turn  
on the cross slide or longitudinal hand cranks will  
produce 0.100" (one tenth of an inch) of motion.  
The cross slide and apron hand crank have dials  
with divisions showing relative motion. The com-  
pound has a direct reading scale on its side  
which is calibrated in 1 millimeter increments.  
The following is a description of each slide and  
their measuring characteristics.  
Compound Slide - This slide is adjustable to  
any angle. By loosening the bolts at the swivel  
base as shown in Figure 20, the compound may  
pivot to any angle relative to the turning axis of  
the lathe spindle. This feature allows tapered  
cuts to be produced on a workpiece, and when  
set to 60˚, is helpful in cutting threads, etc. The  
scale on the side of the slide has divisions in mil-  
limeters and is 80 millimeters long. Each line  
marks 1 millimeter (or about 0.03937"). The tool  
post is mounted to the top of the compound slide  
and when removed allows the slide to be used as  
a vise.  
carriage  
half nut  
lever  
lock  
Figure 19. The half nut lever and carriage lock.  
Carriage Lock  
The carriage lock lever is located under the right  
hand side of the apron as shown in Figure 18.  
This allows the carriage to be locked in place for  
precision facing operations while using the lathe  
or to make a set up in a milling operation more  
rigid, among other things.  
Figure 20. Changing the angle on compound.  
G4015Z Lathe/Mill  
-23-  
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Cross Slide - This hand wheel moves the com-  
pound slide across the lathe bed. Turning the dial  
clockwise moves the slide away from the opera-  
tor. The motion of this slide is used for facing a  
workpiece and when advancing a cut for reducing  
a diameter. The dial has 100 divisions with each  
division representing 0.001" (one thousandths of  
an inch) of motion for the slide. The label above  
the dial reports that each line represents 0.002".  
It is best to think of this as the amount of reduc-  
tion in diameter on the part per line on the dial.  
Therefore, rotating the dial 10 marks will move  
the slide 0.010" and multiplying this amount by  
0.002" equals 0.020". Therefore, the diameter of  
the part will be reduced by 0.020".  
Tailstock Controls  
The tailstock comes supplied with a handwheel  
with graduated dial, barrel lock, tailstock lock and  
offset feature. Figure 22 shows the locations of  
each.  
Tailstock Handwheel - Turning the handwheel  
advances or retracts the barrel in the tailstock.  
The graduated dial on the handwheel is  
adjustable.  
Barrel Lock Lever - This lever locks the tailstock  
barrel in place.  
Apron - The longitudinal motion of the apron is  
controlled by the hand crank at the end of the  
lathe bed. See Figure 21. The motion of this slide  
is used when cutting along the length of a work-  
piece. This slide can also be operated with the  
power feed feature.  
Tailstock Lock Lever - This lever locks the tail-  
stock in place on the lathe bed.  
Offset Mechanism - Loosening these bolts  
allows the tailstock to be offset from center by  
turning a screw. This feature will allow taper turn-  
ing when a workpiece is held between centers.  
2
1
4
3
Figure 21. Hand crank for the apron.  
Figure 22. Detail of tailstock controls.  
Graduated Dials - Each dial can be rotated with-  
out turning the hand crank. This is helpful  
because the dial can be set to zero after the tool  
bit touches the part and the location of the slide  
and tool bit will be known. The graduated dial can  
be adjusted by holding the hand crank with one  
hand and turning the dial with the other.  
Tailstock Handwheel  
Barrel Lock Lever  
Tailstock Lock Lever  
Offset Mechanism  
1.  
2.  
3.  
4.  
-24-  
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SECTION 7: DRILL PRESS  
CONTROLS  
Drill Press Speeds  
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����  
���������  
���  
���  
The speed of the drill press spindle is controlled  
by 2 groups of belts and pulleys. The belt posi-  
tions on the end of the lathe control one speed  
range. See Figure 23. The belts and pulleys  
above the drill press control the other range. See  
Figure 24.  
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�
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���� ���� ���� ���� ���� ���� ���� ����  
���� ���� ���� ���� ���� ���� ���� ���  
�����  
������  
Figure 25. Speed chart.  
Disconnect the power  
before changing speeds  
or making adjustments  
to this machine. Failure  
to do this may result in  
serious personal injury.  
Unplug the Lathe/Mill! Before using the drill  
press, the hub at the end of the lathe spindle  
must be adjusted to the “in” position. See Figure  
25. To ease engagement of this hub, slowly  
rotate the drill spindle by hand while applying  
pressure to the hub.  
Figure 23. Lower pulleys for speed changes.  
The chart also shows the various combinations of  
belt positions for achieving a desired speed.  
Example:  
To select a spindle speed of 310 R.P.M., start by  
moving the belts at the end of the lathe. Move the  
lower belt to the “B” position. Move the upper belt  
to the “F” position. Follow the belt changing pro-  
cedures in the section titled Lathe Speeds.  
Next, move the belt located above the drill press  
to the “L-H” position.  
Figure 24. Upper pulleys for speed changes.  
G4015Z Lathe/Mill  
-25-  
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To change belt position:  
1. Unplug the machine.  
Fine Down Feed  
2. Remove the Upper Belt Guard, loosen the  
cover securing stud and pivot the belt ten-  
sioner to relax tension on the belt. See  
Figure 26.  
The up and down motion of the drill press spin-  
dle is controlled just like any other drill press with  
a Quill Lever. But unlike most drill presses, the  
Model G4015Z is supplied with a Fine Down  
Feed knob, indicated by the arrow in  
.
Figure 27  
3. While slowly turning a pulley, roll the belt up  
or down to the desired sheave. It is always  
easier to roll off of the larger pulley onto a  
smaller pulley. Do not allow fingers to  
become trapped between belt and pulley.  
To activate this feature, rotate the Quill Lever  
while depressing the black knob in the middle of  
the center of the hub as in  
The knob  
Figure 27.  
will engage and the spindle will no longer move  
using the Quill Lever. Rotating the Fine Down  
Feed knob in a clockwise direction will cause the  
spindle to go down. To disengage this feature,  
rotate the Fine Down Feed knob and pull on the  
knob in the center of the hub. Rotating the hand-  
wheel will always aid in engaging and disengag-  
ing this feature.  
4. Pivot the belt tensioner until the belt is tight  
and secure the tensioner by tightening the  
stud.  
5. Replace belt guard.  
Figure 26. Loosen stud to pivot belt tensioner.  
Figure 27. Move the handle while depressing knob.  
Quill Lock Lever  
The height of the spindle can be locked with the  
Quill Lock Lever. Set the desired height with the  
Quill Lever and turn the lever down. The lever  
can be clearly seen on the bottom right hand cor-  
ner of Figure 27.  
-26-  
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SECTION 8: ADJUSTMENTS  
Gibs  
There are three gib adjustments for the Model  
G4015Z. They are: the cross-slide gib, the com-  
pound slide gib and the apron gib.  
Cross-slide Gib - The gib on the cross-slide is  
adjusted by tightening or loosening the 4  
setscrews located on the right hand side of the  
slide. See Figure 28. The large setscrew in the  
middle is used to lock the cross slide in place  
during machining operations. Before adjusting  
the gib screws, loosen this setscrew.  
Figure 28.Tightening this screw tightens gib.  
The gib is held in place by the setscrews. Do not  
over tighten. The gib is properly adjusted when a  
slight drag is detected while turning the hand  
crank. This drag should be evenly distributed  
among the 4 setscrews, so adjust each so a  
slight drag is detected while the hand crank is  
turned. The large setscrew in the middle of the  
slide can be tightened to lock the slide in place.  
NOTICE  
When adjusting gibs, keep in mind that the  
goal of gib adjustment is to remove unneces-  
sary sloppiness from the slides movement  
without causing them to bind. Loose gibs may  
cause poor finishes on the workpiece and  
undue wear on the slide. Over tightening may  
cause premature wear on the slide, Lead  
Screw and nut.  
Figure 29. Securing setscrew.  
Compound Gib - The gib on the compound has  
2 setscrews to maintain tension on the slide.  
These setscrews are held in place with retaining  
nuts. To adjust, loosen the retaining nuts and  
then tighten the setscrews as needed. When  
proper tension has been detected by turning the  
hand crank on the compound, tighten the retain-  
ing nuts while maintaining the position of the  
setscrew with an Allen® wrench as in Figure 29.  
G4015Z Lathe/Mill  
-27-  
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Apron Gib - There are 2 setscrews that tension  
the saddle gib. Before making adjustments to the  
saddle gib, ensure that the front lock lever is  
loose by turning it counterclockwise. See Figure  
30.  
Head Stock  
The Head Stock can be adjusted up or down to  
suit height requirements for different workpieces.  
Figure 31 shows the locking setscrew and lifting  
mechanism. To adjust the height, loosen the  
locking setscrew and rotate the lifting levers.  
When the Head Stock is at the desired height,  
lock in place with the lever. The Head Stock can  
be rotated around the column allowing it to be  
positioned out of the way during lathe operations.  
It is important the setscrews are tightened even-  
ly. A slight drag should be detected while turning  
the hand crank at the end of the lathe.  
Figure 30. This bolt locks the apron in place.  
Figure 31. Elevating the Head Stock.  
-28-  
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3. Place a center in your tailstock.  
Tailstock  
4. Attach a lathe dog to the bar stock and  
mount it between the centers. See Figure  
33.  
The tailstock on the Model G4015Z is aligned  
with the headstock at the factory. However, we  
recommended that you take the time to ensure  
that the tailstock is aligned to your own desired  
tolerances. To align the tailstock:  
5. Turn approximately .010" off of the diame-  
ter.  
1. Center drill a 6'' long piece of round cold rolled  
stock on both ends. Set it aside for use in step  
4.  
2. Make a dead center by turning a shoulder to  
make a shank. Flip the piece over in the chuck  
and turn a 60° point. See Figure 32. As long  
as it remains in the chuck, the point of your  
center will be accurate to your spindle axis.  
Keep in mind that the point will have to be  
refinished whenever it is removed and  
returned to the chuck.  
Figure 33. Bar stock mounted on centers.  
Figure 32. Finished dead center.  
G4015Z Lathe/Mill  
-29-  
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NOTICE  
Before making adjustments to the tailstock,  
mount a dial indictor so that the dial plunger is  
on the tailstock barrel. See Figure 34.  
Figure 35. Adjusting for tailstock end taper.  
7. Loosen the 4 tailstock mounting bolts.  
Adjust the tailstock offset by the amount of  
the taper by turning the adjustment  
setscrews. See Figure 36. Turn another  
.010'' off of the stock and check for taper.  
Repeat as necessary until the desired  
amount of accuracy is achieved.  
Figure 34. Adjusting for headstock end taper.  
6. Measure the workpiece with a micrometer.  
If the stock is fat at the tailstock end, the  
tailstock needs to be moved toward you the  
amount of the taper. See Figure 34. If the  
stock is thinner at the tailstock end, the tail-  
stock needs to be moved away from the  
operator by at least the amount of the taper.  
See Figure 35.  
NOTICE  
DO NOT forget to lock down the tailstock after  
each adjustment.  
Figure 36. Tailstock offset adjustment screw.  
-30-  
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SECTION 9: OPERATIONS  
1. Power indicator light – shines when power is  
Control Panel  
turned on using the system reset switch.  
2. Motor off button – turns motor off.  
3. Motor on button – turns motor on.  
It is vital that you become familiar with the control  
panel before operating the Model G4015Z.  
4. Reversing switch – selects direction of rota-  
tion for spindles. Lift the cover to access the  
switch. Pushing the button on the left hand  
side allows the motor to operate in the for-  
ward direction. Push the button on the right  
hand side and the motor reverses.  
Power to the motor is controlled through a series  
of switches mounted on the Lower Belt Guard.  
Figure 37 shows the various buttons and light.  
Please examine the layout and note the list of  
functions to the right before running the  
lathe/mill.  
5. System reset – disconnects power from sys-  
tem. Rotate the button and allow to pop out.  
In the event of an emergency, the button can  
be depressed and all power to the motor will  
be turned off.  
1
2
3
4
5
Figure 37. Control panel components.  
G4015Z Lathe/Mill  
-31-  
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If the direction is reversed, contact our service  
department for further instructions.  
Test Run  
4. If the lathe/mill is running correctly, push the  
stop button, wait for the machine to come to  
a complete stop and take some time to  
review the various controls.  
Inspect your machine for  
loose nuts and bolts, and  
ensure no tools are left in  
or around the machine  
Keep clothing rolled up  
and out of the way of  
machinery and keep  
hair pulled back.  
before  
power.  
reconnecting  
Now that the lathe is securely in place and you’ve  
read the safety guidelines, it’s time to give the  
machine a test run.  
Disconnect power to the  
machine when perform-  
ing any adjustments or  
maintenance. Failure to  
do this may result in seri-  
ous personal injury.  
Before starting the machine:  
1. Make sure the machine is properly ground-  
ed, the power switch is in the “OFF” position  
and the reversing switch is selected for for-  
ward.  
2. Inspect the machine to ensure that all hand  
tools are out of the way, guards are in place  
and nothing is impeding the movement of  
the chuck. Check this by rotating the chuck  
by hand.  
Wear safety glasses dur-  
ing all operations on the  
shaper. Failure to com-  
ply may result in serious  
personal injury.  
3. Rotate the System Reset Button and allow it  
to pop out. Push the start button on the con-  
trol panel while keeping a finger poised over  
the stop button. The machine should run  
smoothly with little or no vibration or rubbing  
noises when it starts. Strange or unnatural  
noises should be investigated and corrected  
before operating the machine further.  
-32-  
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Feed Rates  
Reading the Charts  
Gearing for feed rates are detailed in  
In the example below we will be selecting gears  
for a feed rate of 0.002" per revolution:  
Figure 38.  
Charts for the powerfeed and thread cutting fea-  
tures are located on the inside of the Lower Belt  
Guard. Figure 38 shows a segment of the chart  
and a brief description.  
1. Find 0.002" in the chart.  
5
A
–
24  
–
30  
–
36  
–
42  
–
2. Locate the number in row A, which is above  
0.002". The number is 24, representing a  
gear with 24 teeth.  
Xmm  
B
120 120 120 120  
1
6
C
60  
60  
60  
60  
–
–
–
–
–
D
120 120 120 120  
0.1 0.125 0.15 0.175  
7
A
B
I
3. The number in row B above 0.002" is 120  
and the number in row C is 60. These 2 num-  
bers represent one of the 2 combination  
gears supplied with your lathe.  
2
C
D
10  
}
0.05 0.063 0.075 0.088  
II  
A
24  
–
30  
–
36  
–
42  
–
–
Inch  
B
120 120 120 120  
3
4
C
60  
60  
60  
60  
–
–
–
–
–
D
120 120 120 120  
4. Finally, in row D you will find the number 120  
A
B
which represents a gear with 120 teeth.  
8
0.0039 0.0049 0.0059 0.0069  
I
C
D
10  
}
0.0020 0.0025 0.0030 0.0035  
9
II  
5. Looking at the Gear Layout we see that gear  
A (24 teeth) meshes with gear B (120 teeth)  
and that gear C (60 teeth) meshes with gear  
D (120 teeth).  
Rates given in millimeters and inches.  
Figure 38.  
Please note that these charts reflect approximate  
apron movement per revolution.  
5. Move the Feed Rate Lever to the I position  
as described in the section titled Feed  
Selection.  
1. Millimeters per revolution.  
2. Gear layout for millimeters per revolution.  
3. Inches per revolution.  
Please note that the corresponding feed rate in  
millimeters would be 0.1 millimeters per revolu-  
tion and that the gearing is identical.  
4. Gear layout for inches per revolution.  
5. Gear position A (all numbers in the row to the  
right represent number of teeth on gears  
used here).  
6. Gear position B and C: combination gears  
listed as 125/127 or 120/60.  
7. Gear position D (all numbers in the row to  
the right represent number of teeth on gears  
used here).  
8. Feed rate selected for I.  
9. Feed rate selected for II.  
10. Approximate feed rates in inches or millime-  
ters.  
G4015 Lathe/Mill  
-33-  
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Changing Gears  
Changing gears on the Model G4015Z is straight  
forward. Refer to the label found inside of the  
Lower Belt Guard for proper gear selection while  
following the example below. We will be changing  
the gears to those that would be used to set the  
machine for a 0.002" per revolution feed rate.  
These instructions assume that all of the gears  
need to be changed. The number of teeth are  
stamped on each gear. To begin:  
1. Unplug the machine.  
Figure 40. Gear support arm with tee-nut.  
2. Remove the nuts on the end of the shafts for  
gears A and D.  
6. Replace the gears in positions A and D with  
24 and 120 tooth gears, respectively.  
3. Loosen the cap screw at the bottom of the  
gear support arm and allow the arm to rotate  
downward as in Figure 39.  
7. Insert the bushing into the 60/100 tooth com-  
bination gear from the side that has 60 teeth.  
Align the flats of the bushing to the slot in the  
4. Remove the cap screw in the middle of the  
combination gear B/C. This will allow  
removal of the gears and bushing supporting  
them. A tee-nut will remain in the gear sup-  
port arm as in Figure 40.  
NOTICE  
Make sure the gears mesh properly before oper-  
ating the machine. The gears are properly  
meshed when the teeth between 2 gears are  
fully engaged. Damage to the gears will occur if  
adjustments are not correct.  
5. Remove gears A and D.  
Figure 39. Swing gears in lower position.  
-34-  
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gear support arm and loosely fasten the  
assembly to the tee-nut using the cap screw.  
Figure 41 shows the proper sequence. Slide  
the combination gear along the slot in the  
support arm until gear C meshes with gear  
D, as in Figure 42, and tighten the cap  
screw.  
Bushing  
Tee-Nut  
8. Rotate the support arm until gears B and A  
are in mesh. Tighten the cap screw at the  
bottom of the gear support arm. Figure 43  
shows the gears properly aligned and in  
mesh.  
Slot  
Gear  
Support Arm  
Combination  
Gear  
Figure 41. Flats on bushing align with slot.  
Figure 42. Cut-away shows Gear C and D in mesh.  
Figure 43. Gears aligned and in mesh.  
G4015 Lathe/Mill  
-35-  
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The Model G4015Z is capable of cutting many  
standard inch and metric threads. Follow the pro-  
cedures listed in Changing Gears in the previous  
section and change the gears according to the  
chart for the thread desired. Figures 45 - 48  
show the order the gears should be installed. This  
example shows gearing for cutting a 10 or 20  
thread per inch (tpi) screw thread. (The Feed  
Rate Lever set to the I position will allow 10 TPI.  
When the lever is set to the II position, 20 TPI will  
be cut.)  
Inch Threading  
The inch threading gear chart is illustrated in  
Figure 44. The layout is listed below to help iden-  
tify the gears needed for cutting threads with inch  
pitches. The chart lists pitches in threads per  
inch.  
1
4
A
N
Inch  
B=125  
C=127  
B
C
D
D
48  
16  
32  
48  
60  
20  
40  
60  
24  
27  
30  
10  
20  
30  
60  
36  
12  
24  
36  
72  
42  
14  
28  
42  
84  
33  
11  
22  
33  
66  
A
8
9
I
II  
I
2
75  
16  
24  
48  
18  
27  
54  
25  
96 120  
II  
3
Rates given in millimeters and inches.  
Figure 44.  
Figure 45. 75 tooth gear installed at “A”.  
1. The column of numbers to the right of D rep-  
resent the number of teeth on gears used in  
position D.  
2. The numbers below A represent the number  
of teeth on gears used in position A. In this  
case 25 or 75 teeth.  
3. Field of possible thread pitches.  
4. The gear used in position B and C will  
always be the 125/127 combination gear.  
The 125 tooth gear will need to be oriented  
so it is in mesh with the gear in the A posi-  
tion.  
-36-  
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Figure 47. 30 tooth gear installed at “D”.  
Figure 46. 125/127 tooth combination gear.  
Figure 48. 30 tooth gear installed at “D”.  
G4015 Lathe/Mill  
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Example:  
Metric Threading  
To cut a thread with a pitch of 0.5 mm we would  
select a 60 tooth gear and place it in the A posi-  
tion; we would select a 30 tooth gear and place it  
in the D position and we would use the 60/120  
combination gear. However, you will need to  
place the gears in position A and D so that they  
both contact gear B only. You can accomplish  
this by turning gear D so the hub is on the outside  
as in Figure 50.  
The metric threading gear chart is illustrated in  
Figure 49. The layout is listed below to help iden-  
tify gears for cutting threads with metric pitches.  
The chart below lists threads in millimeters or the  
theoretical amount of space one thread occupies.  
mm  
1
4
D
II  
I
A
2
24  
25  
30  
60  
24  
30  
0.4  
60 B=120  
0.2  
0.4  
24  
27  
30  
36  
0.45  
0.5  
0.6  
0.7  
0.25  
0.3  
0.75  
1.25  
1.5  
3
0.35  
42 1.75  
60  
75  
1
2.5  
2
3
Rates given in millimeters and inches.  
Figure 49.  
Gear D is turned so hub is on outside.  
Figure 50.  
Please note that charts reflect approximate  
apron movement per revolution.  
1. The column of numbers below D represent the  
number of teeth on gears used in position D.  
2. The numbers to the right of A represent the  
number of teeth on gears used in position A.  
3. Field of possible thread pitches.  
4. This gear will always have 120 teeth and will  
be intermediate to gears A and D.  
-38-  
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SECTION 10: MAINTENANCE  
Disconnect power to the  
machine when perform-  
ing any adjustments or  
maintenance. Failure to  
do this may result in seri-  
ous personal injury.  
Lubrication  
Your Model G4015Z will function best when it is  
clean and well lubricated. Take the time to wipe  
Figure 52. Oil external gears and bushing.  
down and oil the machine before each use. We  
recommend using ISO 68 or SAE 20W non-  
External Gearing - Apply only a minimal  
detergent oil unless otherwise specified. Ball fit-  
tings will require the use of an oil gun. Depress  
the ball with the tip of the gun and squirt a little oil  
under pressure. Make sure to clean the machine  
after each use.  
amount of oil to the teeth of the end gears after  
assembly or each day. Avoid getting oil on the  
belt or pulleys when lubricating.  
Remove the gear indicated by the arrow in  
Figure 52, and apply a few drops of oil to the  
bushing once a day.  
Apron and Cross slide - Apply lubrication  
directly to the dovetail ways of the apron and  
cross slide.  
Figure 53. Gearbox lubrication points.  
Bearings - Lubrication for the bearings occurs  
as the machine runs and oil circulates from the  
gear box. However, the bearings should be lubri-  
cated through the ball fittings indicated by the  
arrows in Figure 53. Apply oil every 3 hours of  
actual use and just before starting the machine  
each day.  
Figure 51. Oil ports indicated by arrows.  
Compound - This slide is supplied with ball fit-  
tings on its top surface and should be oiled at the  
same time as the apron. See Figure 51.  
G4015 Lathe/Mill  
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Tailstock - The tailstock is fitted with 2 oiling  
ports. The tailstock barrel may be oiled directly.  
Apply oil each week, or after every five uses  
(depending on the frequency of operation). Be  
sure to clean the slide ways for the tailstock and  
lift the tailstock and squirt a few drops of oil on  
the ways. It is a good idea to remove the tail-  
stock, once a month and wipe the bottom thor-  
oughly and replace. See Figure 55.  
Motor - The bearings used in the motor are  
shielded and lubricated for life, therefore, no  
lubrication is necessary.  
Lead Screw - Be sure to clean and lubricate the  
Lead Screw. There is also a bearing on the tail  
stock end that will require oil.  
Headstock Gearbox - The oil in the headstock  
should be changed after the first 2 hours of use,  
then every 6 months, depending on usage. We  
recommend that a light weight, non detergent oil  
be used. Viscosity can range from 10W to 30W  
and may include multi-viscosity oil in this same  
range.  
To remove the oil in the gear box, remove the  
change gear directly under the spindle, remove  
the cap screw indicated in Figure 55 and place  
a can under the drain hole to collect the waste  
oil.  
Figure 55. Tailstock oiling points.  
Bearing Preload  
This lathe is shipped from the factory with the  
bearing preload already set. If the preload  
requires resetting for whatever reason, please  
contact our service department for further  
instructions.  
Figure 54. Remove cap screw to drain oil.  
-40-  
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SECTION 11: CLOSURE  
The following pages contain general machine  
We recommend you keep a copy of our current  
catalog for complete information regarding  
Grizzly's warranty and return policy. If you need  
additional technical information relating to this  
machine, or if you need general assistance or  
replacement parts, please contact the Service  
Department listed in the General Information.  
data, parts diagrams, parts lists and  
Warranty/Return information for your Model  
G4015Z.  
If you need parts or help in assembling your  
machine, or if you need operational information,  
we encourage you to call our Service  
Department. Our trained service technicians will  
be glad to help you. If you have comments deal-  
ing specifically with this manual, please write to  
our Bellingham, Washington location using the  
address in the Introduction section of this manu-  
al.  
This machine is designed for highly-skilled indi-  
viduals who have an understanding of metal-  
working. We realize there are numerous kinds of  
cutters and specialized techniques used to turn  
metals. To list all of the techniques necessary to  
operate a metal lathe correctly for specific appli-  
cations would require many volumes. Additional  
information sources are necessary to realize the  
full potential of this machine. Trade journals, met-  
alworking magazines, and your local library are  
good places to start.  
The specifications, drawings, and photographs  
illustrated in this manual represent the Model  
G4015Z as supplied when the manual was pre-  
pared. However, due to Grizzly’s policy of contin-  
uous improvement, changes may be made at any  
time with no obligation on the part of Grizzly.  
Whenever possible, though, we send manual  
updates to all owners of a particular tool or  
machine. Should you receive one, add the new  
information to this manual and keep it for refer-  
ence.  
As with all power tools, there is danger  
associated with the Model G4015Z. Use the  
tool with respect and caution to lessen the  
possibility of mechanical damage or opera-  
tor injury. If normal safety precautions are  
overlooked or ignored, injury to the opera-  
tor or others in the area is likely.  
We have included some important safety mea-  
sures that are essential to this machine’s opera-  
tion. While most safety measures are generally  
universal, Grizzly reminds you that each work  
shop is different and safety rules should be con-  
sidered as they apply to your specific situation.  
NOTICE  
The Model G4015Z was specifically  
designed for turning operations. DO NOT  
MODIFY AND/OR USE THIS LATHE FOR  
ANY OTHER PURPOSE. Modifications or  
improper use of this tool will void the war-  
ranty. If you are confused about any aspect  
of this machine, DO NOT use it until you  
have answered all your questions.  
Operating this equipment has the potential  
for flying debris to cause eye injury. Always  
wear safety glasses or goggles when oper-  
ating equipment. Everyday glasses or read-  
ing glasses only have impact resistant lens-  
es, they are not safety glasses. Be certain  
the safety glasses you wear meet the appro-  
priate standards of the American National  
Standards Institute (ANSI).  
G4015 Lathe/Mill  
-41-  
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MACHINE DATA  
SHEET  
Customer Service #: (570) 546-9663 • To Order Call: (800) 523-4777 • Fax #: (800) 438-5901  
GRIZZLY MODEL G4015Z COMBO LATHE/MILL  
Overall Dimensions:  
Overall Length ..........................................................................................................42"  
Overall Width............................................................................................................23"  
Overall Height ..........................................................................................................35"  
Bed Width................................................................................................................51⁄2  
"
"
Spindle Bore..............................................................................................................3⁄4  
Lathe, Drill Press and Tailstock Tapers ..............................................#3 Morse Taper  
Weight (Net)......................................................................................................440 lbs.  
Weight (Shipping)..............................................................................................500 lbs.  
Crate Size ..................................................................................40" L x 23" W x 39" H  
Footprint ........................................................................................................42" x 23"  
Lathe Capacity:  
Swing Over Bed ....................................................................................................161⁄2  
Swing Over Saddle................................................................................................111⁄2  
"
"
Distance Between Centers....................................................................................19.2''  
Spindle ......................................................................................Intrinsic 4" Back Plate  
Compound Travel ......................................................................................................3''  
Cross Slide Travel ..................................................................................................41⁄2  
"
"
Tailstock Barrel Travel ............................................................................................11⁄2  
Spindle Speeds ........................................185, 330, 405, 535, 680, 955, 1455 R.P.M.  
Feed Rate Range ............................................................................8 @ .002" - .0069"  
Thread Range Inch ............................8-120 TPI in 27 Steps (Gear changes required)  
Thread Range Metric ........................................................................18 @ .2 - 3.0 mm  
Lead Screw....................................................................................................7⁄8"-10 TPI  
Cross Slide Screw .........................................................................................1⁄2"-10 TPI  
Drill Press Capacity: (Measured without Drill Chuck)  
Swing ......................................................................................................................12''  
Spindle to Bed ......................................................................................................153⁄4  
"
"
Spindle Travel..........................................................................................................31⁄2  
Spindle to Work Table..............................................................................................10"  
Spindle to Center line..............................................................................................93⁄4  
"
Head Stock Height Adjustment ................................................................................ 3"  
Range of Speeds ............................................ 117, 150, 220, 276, 290, 345, 360, 440, 450, 575,  
..........................................................................................................640, 836, 1000, 1300 R.P.M.  
Number of Speeds ....................................................................................................14  
Drill Capacity..............................................................................................................7⁄8  
"
Motor:  
Type ............................................................................TEFC Capacitor Start Induction  
Horsepower ................................................................................................................3⁄4  
Switch ......................................................................................Push Button, Reversing  
Phase ......................................................................................................Single Phase  
Voltage ..................................................................................................................110V  
Amps ........................................................................................................................8.7  
R.P.M.....................................................................................................................1710  
Bearings....................................................................Shielded And Lubricated For Life  
Features:  
..............................................................................................................4" 3-Jaw Chuck  
................................................................................................Tee Slots in Cross Slide  
..........................................................................................................19 Change Gears  
....................................................................................................Drill Chuck with Arbor  
............................................................................................................2 Dead Centers  
Specifications, while deemed accurate, are not guaranteed.  
-42-  
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Your Notes  
G4015 Lathe/Mill  
-43-  
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B
O
S
2R  
B
A
-
1
0
B
0
E
6
A
R
O
I
C
N
G
B
RS  
O
B
-2  
A
1
0
B
0
E
6
A
R
O
I
C
N
G
-44-  
G4015 Lathe/Mill  
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REF  
PART #  
DESCRIPTION  
REF  
PART #  
DESCRIPTION  
060 PFH07M  
FLAT HD SCR M5-.8 X 8  
001 P4015Z001 PIN 8 X 30  
002 P4015Z002 LINK BOARD  
003 P4015Z003 SPRING PIN  
004 P4015Z004 PIN 12 X 40  
006 P4015Z006 SPRING  
061 P4015Z061 V-BELT 710  
062 P4015Z062 PULLEY  
063 P4015Z063 SHAFT  
064 P4015Z064 COVER  
065 PS07M  
066 PW05M  
PHLP HD SCR M4-.7 X 8  
FLAT WASHER M4  
007 P4015Z007 STEEL BALL 5MM  
010 P4015Z010 LEVER BASE  
067 P4015Z067 BEARING 1000900  
068 P4015Z068 COLLAR  
011 PRP03M  
012 PSS14M  
ROLL PIN 5 X 20  
SETSCREW M8-1.25 X 12  
069 PSB26M  
CAP SCREW M6 X 12  
013 P4015Z013 LEVER  
014 P4015Z014 KNOB  
070 P4015Z070 OIL COVER  
071 P4015Z071 PAPER WASHER  
072 P4015Z072 PULLEY BRACKET  
081 P4015Z081 SHAFT  
015 PRP44M  
ROLL PIN 3 X 10  
016 P4015Z016 DUPLEX GEAR  
017 PR03M  
EXT RET RING 12MM  
082 P4015Z082 SLEEVE  
018 P4015Z018 SLEEVE  
019 P4015Z019 PAPER WASHER  
020 P4015Z020 OIL SEAL  
021 P4015Z021 OIL SEAL BOARD  
083 P4015Z083 DUPLEX GEAR  
084 P4015Z084 DUPLEX GEAR  
085 P4015Z085 GEAR  
086 P4015Z086 SHAFT  
022 PSB15M  
023 PK34M  
CAP SCREW M5-.8 X 20  
KEY 5 X 5 X 20  
087 PK19M  
KEY 5 X 5 X 14  
090 P4015Z090 PIN  
024 P4015Z024 SHAFT  
091 PB31M  
HEX BOLT M10-1.5 X 40MM  
025 PK05M  
KEY 4 X 4 X 10  
092 P4015Z092 OIL WINDOW  
146 P4015Z146 OILER 6MM  
852 P4015Z852 END BUSHING  
853 P4015Z853 SHIFT BRACKET  
854 P4015Z854 HEX NUT  
855 P4015Z855 SETSCREW  
856 P4015Z856 END BUSHING  
857 P4015Z857 E CLIP  
033 P4015Z033 SLEEVE  
034 P4015Z034 PAPER WASHER  
035 P4015Z035 COVER  
036 PSB50M  
053 PN08M  
054 PLW06M  
055 PW03  
CAP SCREW M5-.8 X 10  
HEX NUT M10-1.25  
LOCK WASHER M10  
FLAT WASHER #10  
057 P4015Z057 HOUSING  
058 P4015Z058 SEAL RING  
059 P4015Z059 COVER  
880 PFH07M  
FLAT HD SCR M5-.8 X 10  
883 P4015Z883 SLOTTED SCREW  
G4015 Lathe/Mill  
-45-  
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-46-  
G4015 Lathe/Mill  
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REF  
PART #  
DESCRIPTION  
026 P4015Z026 CLUTCH  
027 PK40M  
KEY 8 X 8 X 12  
028 P4015Z028 CLUTCH  
029 P4015Z029 TAB WASHER 30  
030 P4015Z030 ROUND NUT  
031 PSS26M  
SETSCREW M5-.8 X 6  
032 P4015Z032 HANDLE KNOB  
037 P4015Z037 BEARING D2007107  
038 P4015Z038 COMP WASHER  
039 P4015Z039 SLEEVE  
040 P4015Z040 BEVEL GEAR  
041 P4015Z041 BEARING  
042 P4015Z042 BEARING PEDESTAL  
043 PSB38M  
CAP SCREW M5-.8 X 30  
044 P4015Z044 STEEL BALL M5  
045 P4015Z045 SPRING  
046 P4015Z046 V-BELT 630  
047 P4015Z047 PULLEY  
048 PSB04M  
CAP SCREW M6-1 X 8  
049 P4015Z049 T-KEY  
050 P4015Z050 CIRCLIP  
051 P6013  
BALL BEARING 6013  
052 P4015Z052 BEARING PEDESTAL  
065 PS07M  
073 PSS05M  
PHLP HD SCREW M4 X 8  
SET SCREW M5-.8 X 10  
074 P4015Z074 GEAR  
075 P4015Z075 SEAL WASHER  
076 P4015Z076 BEARING WASHER  
077 PK40M  
078 PK51M  
079 PSB26M  
KEY 8 X 8 X 12  
KEY 8 X 8 X 22  
CAP SCREW M6 X 12  
080 P4015Z080 SPINDLE  
601 P4015Z601 3-JAW CHUCK  
606 P4015Z606 CHUCK KEY  
871 P4015Z871 INT CHUCK JAW (3)  
872 P4015Z872 EXT CHUCK JAW (3)  
G4015 Lathe/Mill  
-47-  
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-48-  
G4015 Lathe/Mill  
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REF  
PART #  
DESCRIPTION  
REF  
PART #  
DESCRIPTION  
801 P4015Z801 STRAIN RELIEF  
802 P4015Z802 PLASTIC HOUSING  
803 P4015Z803 SWITCH ASSEMBLY  
804 P4015Z804 SAFETY SWITCH  
805 P4015Z805 SPACER  
806 P4015Z806 SWITCH COVER  
807 P4015Z807 STOP/RESET SWITCH  
808 P4015Z808 INDICATOR LIGHT  
101 P4015Z101  
102 PSS20M  
103 P4015Z103  
104 PK23M  
105 PB07M  
106 PLW04M  
107 PW01M  
MOTOR  
SET SCREW M8-1.25 X 8  
PULLEY  
KEY 5 X 5 X 25  
HEX BOLT M8-1.25 X 25  
LOCK WASHER 8MM  
FLAT WASHER 8MM  
HEX NUT M10-1.5  
BALL FACE WASHER  
CONE FACE WASHER  
MOTOR PEDESTAL  
CAP SCREW M8-1.25 X 16  
MOTOR BRACKET  
ROLL PIN 3 X 16  
PIN  
MOVABLE JOINT  
PIN  
BOLT  
T-KEY  
GEAR BRACKET  
FLAT WASHER  
108 PN02M  
809 PS25M  
PHLP HD SCR M4-.7 X 34  
109 P4015Z109  
110 P4015Z110  
111 P4015Z111  
112 PSB11M  
113 P4015Z113  
114 PRP02  
115 P4015Z115  
116 P4015Z116  
117 P4015Z117  
118 P4015Z118  
119 P4015Z119  
120 P4015Z120  
121 PW03M  
810 P4015Z810 LIGHT HOLDER  
811 PS07M  
PHLP HD SCR M4-.7 X 8  
812 P4015Z812 CONNECTION BUS  
813 P4015Z813 STRAIN RELIEF  
814 P4015Z814 MOUNTING BRACKET  
815 P4015Z815 COVER  
816 PS36M  
PHLP HD SCR M4-.7 X 30  
817 P4015Z817 STRAIN RELIEF  
818 PWRCRD110L POWER CORD 110V LONG  
819 P4015Z819 FLEXABLE CONDUIT  
820 P4015Z820 GUARD PLATE  
876 P4015Z876 WOOD SCREW M4 X 12  
122 P4015Z122  
125 PW03M  
126 PSB29M  
127 PW03  
T-COLLAR  
FLAT WASHER 6MM  
CAP SCREW M6-1 X 40  
FLAT WASHER 6MM  
FLAT WASHER #6  
CAP SCREW M6-1 X 30  
CHANGE GEAR 24  
CHANGE GEAR 25  
CHANGE GEAR 27  
CHANGE GEAR 30  
CHANGE GEAR 33  
CHANGE GEAR 36  
CHANGE GEAR 42  
CHANGE GEAR 48  
CHANGE GEAR 60  
CHANGE GEAR 75  
CHANGE GEAR 120  
DUPLEX GEAR 60/120T  
DUPLEX GEAR 125/127T  
128 PW16  
129 PSB07M  
611 P4015Z611  
612 P4015Z612  
613 P4015Z613  
614 P4015Z614  
615 P4015Z615  
616 P4015Z616  
617 P4015Z617  
618 P4015Z618  
619 P4015Z619  
620 P4015Z620  
621 P4015Z621  
622 P4015Z622  
623 P4015Z623  
G4015 Lathe/Mill  
-49-  
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-50-  
G4015 Lathe/Mill  
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REF  
PART #  
DESCRIPTION  
REF  
PART #  
DESCRIPTION  
130 P4015Z130  
131 P4015Z131  
132 P4015Z132  
133 PRP25M  
134 P4015Z134  
135 P4015Z135  
136 PK05M  
137 P4015Z137  
138 P4015Z138  
139 P4015Z139  
140 PSS03M  
BODY  
CLUTCH B  
CLUTCH A  
ROLL PIN 5 X 21  
SLEEVE (LEFT)  
SHAFT  
KEY 4 X 4 X 12  
ECCENTRIC PIN  
COVER  
165 P4015Z165  
166 P4015Z166  
167 P4015Z167  
168 PSS14M  
169 P4015Z169  
170 P4015Z170  
171 P8103  
172 P4015Z172  
173 P4015Z173  
174 P4015Z174  
175 P4015Z175  
176 P4015Z176  
177 P4015Z177  
178 P4015Z178  
179 P4015Z179  
180 P4015Z180  
HALF NUT  
HALF NUT BASE  
HALF NUT BRACKET  
SET SCREW M8-1.25 X 12  
LONG LEAD SCREW  
STEEL PIN  
THRUST BEARING 8103  
CONE PIN  
LEAD SCREW BRACKET  
SCALE RING  
ROUND NUT  
BALL CRANK HANDLE  
TAPER PIN  
LEVER  
ACORN NUT  
LEVER  
SET SCREW M6-1 X 12  
HEX BOLT M8-1.25 X 42  
STEEL BALL 6.5  
SPRING  
LEVER BASE  
SET SCREW M6-1 X 16  
OILER  
141 PSB26M  
142 P4015Z142  
143 P4015Z143  
144 P4015Z144  
145 PSS11M  
146 P4015Z146  
147 P4015Z147  
148 P4015Z148  
149 P4015Z149  
150 PK01M  
HANDWHEEL  
181 P4015Z0181 SCALE RING  
182 PRP06M  
LINK BASE  
E RING  
ROLL PIN 5 X 24  
LEAD SCREW BRACKET  
HANDLE SCREW  
SCREW M8-1.25 X 10  
LOCKING PIN  
LONGITUDINAL SLIDE  
GIB  
KEY 4 X 4 X 20  
CROSS LEAD SCREW  
CROSS SLIDE NUT  
GIB  
CROSS SLIDE  
RIVET  
FLAT WASHER 10MM  
INDEX  
CAP SCR M8-1.25 X 16  
INDEX  
183 P4015Z183  
184 P4015Z184  
185 PSS16M  
186 P4015Z186  
187 P4015Z187  
188 P4015Z188  
194 PK48M  
195 P4015Z195  
196 P4015Z196  
197 P4015Z197  
198 P4015Z198  
877 P4015Z877  
878 PW04M  
SLEEVE (RIGHT)  
KEY 5 X 5 X 12  
PIN  
CAP SCREW M6-1.0 X 50  
KNOB  
151 P4015Z151  
152 PSB37M  
153 P4015Z153  
154 P4015Z154  
155 P4015Z155  
156 P4015Z156  
157 P4015Z157  
158 PSS17M  
159 P4015Z159  
160 PRP10M  
161 PSB33M  
LEVER  
LEVER BASE  
SPRING PIN  
SPRING  
SET SCREW M8-1.25 X 6  
LIFTING PIN  
ROLL PIN 5 X 36  
CAP SCREW M5-.8 X 12  
COVER  
879 P4015Z879  
881 PSB11M  
882 P4015Z882  
162 P4015Z162  
163 P4015Z163  
164 P4015Z164  
PIN BASE  
PIN  
G4015 Lathe/Mill  
-51-  
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218  
214  
305  
301  
304  
303  
223  
222  
300  
219  
215  
295  
302  
296  
297  
293  
299  
216  
B
O
B
AS  
B
E
289  
A
R
S
I
R 2  
N
298  
-
G
3
0
C
2
O
6
B
O
291  
B
AS  
282  
B
E
A
S
R
R 2  
I
N
-
G
4
0
C
O
2
6
278  
294  
286  
225  
231  
230  
B
O
B
AS  
B
E
A
288  
S
R
I
R 2  
N
-
G
4
0
C
O
2
6
292  
290  
285  
224  
221  
287  
283  
229  
284  
281  
B
O
B
AS  
B
E
A
S
R
100  
R 2  
I
N
-
G
4
275  
0
C
O
2
277  
6
280  
279  
276  
217  
B
O
B
AS  
227  
B
E
A
S
R
I
R 2  
N
-
G
3
0
C
O
2 6  
208  
209  
274  
226  
245  
207  
273  
272  
B
O
B
AS  
B
E
A
S
R
R 2  
I
N
-
G
4
0
C
O
2
6
213  
271  
206  
205  
270  
269  
204  
210  
203  
202  
211  
212  
238  
201  
264  
265A  
862  
863  
237  
265B  
263  
246  
247  
262  
261  
248  
238  
236  
258  
255  
254  
239  
234  
242  
235  
259  
257  
240  
241  
604  
256  
252  
243  
244  
253  
251  
603  
250  
-52-  
G4015 Lathe/Mill  
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REF  
PART #  
DESCRIPTION  
REF  
PART #  
DESCRIPTION  
255 P4015Z255 KNOB  
100 P4015Z100 DRAW BAR  
256 PRP16M  
ROLL PIN 3 X 25  
200 P4015Z200 LEAD SCREW SLEEVE  
257 P4015Z257 KNOB  
258 P4015Z258 LEVER  
259 P4015Z259 PIN  
261 P4015Z261 WORM SHAFT  
262 P4015Z262 OILER  
201 PSB24M  
202 PW02M  
203 P4015Z203 CIRCLIP  
204 P4015Z204 BEVEL GEAR  
205 P4015Z205 COMP WASHER  
CAP SCREW M5-.8 X 16  
FLAT WASHER 5MM  
263 PSS06M  
SET SCREW M8-1.25 X 15  
206 PK07M  
KEY 6 X 6 X 14  
264 P4015Z264 COMP WASHER  
265A P4015Z265A STUD  
207 P4015Z207 DRIVING SHAFT  
208 PK43M  
KEY 8 X 8 X 45  
265B P4015Z265B LOCK LEVER  
268 P4015Z268 SPRING HOUSING  
209 PFH07M  
FL HD SCREW M5-.8 X 10  
210 P4015Z210 SET SCREW M16 X 20  
221 P4015Z211 LOCK BOLT SEAL  
212 P4015Z212 LOCKING PIN  
269 PSS24M  
SET SCREW M5-.8 X 25  
270 P4015Z270 SPRING  
271 P4015Z271 SPRING HOUSING COVER  
272 P4015Z272 PULLEY SHELL (BOTT)  
213 P4015Z213 DRILL/MILL HOUSING  
214 PFH07M  
FL HD SCREW M5-.8 X 10  
273 PW08  
274 PS16M  
275 P4015275  
276 P4015Z276 TIGHTENER BOARD  
277 P4015Z277 TIGHTENER SHAFT  
278 P4015Z278 PULLEY BRACKET  
279 PW01M  
280 PLW04M  
FLAT WASHER #8  
PHLP HD SCR M8-1.25 X 12  
SHAFT  
215 P4015Z215 NUT  
216 P6007  
217 P6008  
218 PSB04M  
BALL BEARING 6007  
BALL BEARING 6008  
CAP SCREW M6-1 X 10  
219 P4015Z219 PLATE  
221 P4015Z221 ROTATION BASE  
222 P4015Z222 KNOB  
FLAT WASHER 8MM  
LOCK WASHER 8MM  
223 P4015Z223 LEVER  
281 P4015Z281 SHELL BOLT  
224 PSB13M  
CAP SCREW M8-1.25 X 30  
282 PB16M  
283 PK23M  
284 P4015Z284 BELT TIGHTENER  
285 P4015Z285 ROLLER  
286 PR24M  
287 P6104  
HEX BOLT M5-.8 X 24  
KEY 5 X 5 X 25  
225 P4015Z225 STEEL BALL  
226 P4015Z226 BEARING 2007107  
227 P4015Z227 HOLLOW SHAFT  
229 P4015Z229 BEARING 2007106  
230 P4015Z230 LOCK WASHER  
231 P4015Z231 NUT M30-1.5  
INT RET RING 42MM  
BALL BEARING 6104  
288 P4015Z288 BEARING BRACKET  
289 PSB24M CAP SCREW M5-.8 X 16  
290 P4015Z290 COLLAR  
232 PSS09M  
234 PSS08M  
235 P4015Z235 GEAR SHAFT  
SET SCREW M8-1.25 X 30  
SET SCREW 4-.7 X 5  
291 P6108  
292 PR01M  
293 PR34M  
294 PW01M  
295 P4015Z295 PULLEY  
296 P4015Z296 COVER  
BALL BEARING 6108  
236 PK07M  
237 PSS03M  
238 P4015Z238 COLLAR  
239 P4015Z239 FEED BOX HOUSING  
240 P4015Z240 WORM GEAR  
KEY 6 X 6 X 14  
SET SCREW M6-1 X 8  
EXT RET RING 10MM  
EXT RET RING 40MM  
FLAT WASHER 8MM  
241 PRP27M  
ROLL PIN 5 X 28  
297 P4015Z297 PIPE  
242 P4015Z242 CLUTCH  
298 P4015Z298 PULLEY SHELL (TOP)  
243 P4015Z243 PIN  
299 PW01M  
300 P4015Z300 KNOB  
301 PVM29  
FLAT WASHER 8MM  
244 P4015Z244 SCALE RING  
245 P4015Z245 DRILL/MILL SHAFT  
246 P4015Z246 SEAL  
V-BELT 29M  
302 P4015Z302 PULLEY  
303 P4015Z303 WASHER  
247 P4015Z247 DRILL/MILL SHAFT GLAND  
248 PSS05M  
SET SCREW M5-.8 X 10  
304 PLW01M  
305 PSB15M  
LOCK WASHER 5MM  
CAP SCREW M5-.8 X 20  
250 P4015Z250 LEVER  
251 PSS11M  
SET SCREW M6-1 X 18  
603 P4015Z603 DRILL CHUCK  
604 P4015Z604 DRILL CHUCK ARBOR  
252 P4015Z252 COLLAR  
253 P4015Z253 SPRING LEAF  
254 P4015Z254 LEVER  
G4015 Lathe/Mill  
-53-  
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0
8
0
7
0
6
50  
20  
0
4
0
3
0
2
0
0
1
0
1
0
2
0
-54-  
G4015 Lathe/Mill  
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REF  
PART #  
DESCRIPTION  
401  
402  
403  
404  
405  
406  
407  
408  
409  
410  
411  
412  
413  
414  
415  
417  
418  
419  
420  
421  
422  
423  
424  
425  
426  
427  
428  
429  
430  
431  
432  
433  
434  
435  
436  
437  
451  
605  
P4015Z401 WASHER  
P4015Z402 LOCKING HUB  
P4015Z403 LEVER  
P4015Z404  
KNOB  
P4015Z405 SQUARE HEAD BOLT  
P4015Z406 TOOL POST  
P4015Z407 HOLLOW SET PIN  
P4015Z408 SPRING  
P4015Z409  
P4015Z410 KEY  
TOOL POST BASE  
PS02M  
PHLP HD SCR 4-.7 X 12  
P4015Z412 TOOL POST BOLT  
P4015Z413  
PSB26M  
CHELA  
CAP SCREW M6-1 X 12  
P4015Z415 GIB  
PSS24M  
SET SCREW M5-.8 X 25  
P4015Z418 LOCKING PIN  
PSB09M  
CAP SCREW M5-.8 X 17  
P4015Z420 UPSLIDE  
P4015Z421 OILER  
P4015Z422 LEAD SCREW NUT  
P4015Z423 LEAD SCREW  
P4015Z424 LEAD SCREW BRACKET  
P4015Z425 LEVER  
PRP02M  
PN03M  
PW01M  
ROLL PIN 3 X 16  
HEX NUT M8-1.25  
FLAT WASHER 8MM  
SET SCREW M5-.8 X 8  
PSS31M  
P4015Z430 DOWN SLIDE  
P4015Z431  
SCALE  
P4015Z432 T-BOLT  
P4015Z433 BASE  
P4015Z434 SCALE  
P4015Z435  
T-BOLT  
PW04M  
PN02M  
FLAT WASHER 10MM  
HEX NUT M10-1.5  
P4015Z451 RIVET  
P4015Z605 TOOL POST WRENCH  
G4015 Lathe/Mill  
-55-  
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555  
553  
551  
554  
565  
566  
563  
602  
561  
552  
550  
549  
548  
658  
564  
547  
. 0 0 1 ' '  
179  
559  
544  
543  
545  
558  
557  
556  
652  
651  
541  
654  
546  
653  
655  
608  
609  
1
m
m
656  
610  
192  
657  
191  
190  
193  
153  
154  
189  
155  
-56-  
G4015 Lathe/Mill  
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REF  
PART #  
DESCRIPTION  
153 P4015Z153 KNOB  
154 P4015Z154 LEVER  
155 P4015Z155 LOCK HUB  
179 P4015Z179 ACORN NUT  
189 P4015Z189 LOCK PIN  
190 PSS06M  
191 PSS21M  
SET SCREW M8-1.25 X 16  
SETSCREW M8-1.25 X 25  
192 P4015Z192 TAILSTOCK BASE  
193 P4015Z193 GIB  
541 P4015Z541 TAILSTOCK BODY  
543 PB31M  
544 PSS23M  
HEX BOLT M10-1.5 X 40  
SETSCREW M4-.7 X 8  
545 P4015Z545 T-KEY  
546 P4015Z546 TAILSTOCK BARREL  
547 P4015Z547 FEED NUT  
548 P4015Z548 OIL CUP  
549 P4015Z549 LOCK BUSHING (BOTT)  
550 P4015Z550 LOCK BUSHING (TOP)  
551 P4015Z551 DOUBLE SCREW BOLT  
552 PW04M  
FLAT WASHER 10MM  
553 P4015Z553 LOCK NUT  
554 P4015Z554 LOCK LEVER  
555 P4015Z555 KNOB  
556 P4015Z556 BRACKET  
557 P4015Z557 DIAL  
558 P4015Z558 HAND WHEEL  
559 PW04M  
FLAT WASHER 10MM  
561 P4015Z561 HANDLE  
563 PK37M  
KEY 4 X 4 X 18  
564 P4015Z564 FEED SCREW  
565 P4015Z565 ROLL PIN  
566 P4015Z566 COLLAR  
602 P4015Z602 CENTER  
608 PAW04M  
609 PAW05M  
610 PAW08M  
ALLEN WRENCH 4MM  
ALLEN WRENCH 5MM  
ALLEN WRENCH 8MM  
651 P4015Z651 FLAT WASHER  
652 P4015Z652 INDICATOR  
653 P4015Z653 ADJUSTING STUD  
654 P4015Z654 KEY  
655 P4015Z655 SETSCREW  
656 P4015Z656 SCALE  
657 P4015Z657 RIVET  
658 P4015Z658 INDICATOR  
G4015 Lathe/Mill  
-57-  
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WARRANTY AND RETURNS  
Grizzly Imports, Inc. warrants every product it sells for a period of 1 year to the original purchaser from the  
date of purchase. This warranty does not apply to defects due directly or indirectly to misuse, abuse, neg-  
ligence, accidents, repairs or alterations or lack of maintenance. This is Grizzly’s sole written warranty and  
any and all warranties that may be implied by law, including any merchantability or fitness, for any particu-  
lar purpose, are hereby limited to the duration of this written warranty. We do not warrant or represent that  
the merchandise complies with the provisions of any law or acts unless the manufacturer so warrants. In  
no event shall Grizzly’s liability under this warranty exceed the purchase price paid for the product and any  
legal actions brought against Grizzly shall be tried in the State of Washington, County of Whatcom.  
We shall in no event be liable for death, injuries to persons or property or for incidental, contingent, spe-  
cial, or consequential damages arising from the use of our products.  
To take advantage of this warranty, contact us by mail or phone and give us all the details. We will then  
issue you a “Return Number,’’ which must be clearly posted on the outside as well as the inside of the car-  
ton. We will not accept any item back without this number. Proof of purchase must accompany the mer-  
chandise.  
The manufacturers reserve the right to change specifications at any time because they constantly strive to  
achieve better quality equipment. We make every effort to ensure that our products meet high quality and  
durability standards and we hope you never need to use this warranty.  
Please feel free to write or call us if you have any questions about the machine or the manual.  
Thank you again for your business and continued support. We hope to serve you again soon.  
-58-  
G4015 Lathe/Mill  
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WARRANTY CARD  
NAME_______________________________________________  
PHONE NUMBER___________________  
STREET________________________________________________________________________________  
CITY_______________________________STATE_________ZIP ___________________________________  
MODEL# G4015 Lathe/Mill  
INVOICE#_________________  
SERIAL#_________________  
The following information is given on a voluntary basis. This information will be used for marketing purposes to help  
Grizzly develop better products. Your name will be included in our mailing list only. It will not be sold to other com-  
panies. of course, all information is strictly confidential.  
1.  
How did you find out about us?  
__Advertisement  
__Catalog  
__Friend  
__Card deck  
__Website  
__Other____________________  
2.  
3.  
Do you think your machine represents good value? __YES  
__NO  
Would you allow us to use your name as a reference for Grizzly customers in your area? __YES  
(Note: Your name will be used a maximum of three times.)  
__NO  
4.  
To which of the following publications do you subscribe? Check all that apply.  
__Home Shop Machinist  
__Projects in Metal  
__Modeltec  
__Rifle Magazine  
Other ________________  
__Hand Loader Magazine  
__Precision Shooter  
__RC Modeler  
__Live Steam  
__Shotgun News  
__Model Airplane News  
5.  
What is your annual household income?  
__$20,000-$30,000  
__$30,001-$40,000  
__$40,001-$50,000  
__$50,001-$60,000  
__$60,001-$70,000  
__$70,001-$80,000  
__$80,000-$90,000  
__+$90,000  
6.  
7.  
To which age group do you belong?  
__20-30 __41-50__61-70  
__31-40 __51-60__+70  
Which of the following machines or accessories do you own? Check all that apply.  
__Engine Lathe  
__Abrasive Cutoff  
__Arc Welder  
__Oxy/Ac. Outfit  
__Air Compressor  
__Drill Press  
__Sheet Metal Machine  
__Other _____________________________  
__Band Saw (Metal)  
__Band Saw (Wood)  
__Milling Machine  
__Bench Grinder  
8.  
9.  
How many of the machines you checked in Question 7 are Grizzly machines? ______________________  
Which of the following tooling and accessories do you own? Check all that apply.  
__Milling Vises  
__Indexing Head  
__Rotary Table  
__Collet Closer  
__Taper Attachment  
__Boring Head  
__Digital Readout  
__Tool Post Grinder  
__Other _________________________________________  
10. In the space below, list three tools you would like Grizzly to carry.  
11. Of all the mail order metalworking company’s you have purchased from, how do you rate Grizzly in terms of over-  
all customer satisfaction?  
__The best  
__Below average  
__Above average  
__The worst  
__Average  
12. Comments_______________________________________________________________________________  
_____________________________________________________________________________________________  
_____________________________________________________________________________________________  
________________________________________________________________________________________________  
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FOLD ALONG DOTTED LINE  
Place  
Stamp  
Here  
GRIZZLY INDUSTRIAL, INC.  
P.O. BOX 2069  
BELLINGHAM, WA 98227-2069  
FOLD ALONG DOTTED LINE  
Send a Grizzly Catalog to a friend:  
Name_______________________________  
Street_______________________________  
City______________State______Zip______  
TAPE ALONG EDGES--PLEASE DO NOT STAPLE  
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