White Outdoor Lawn Mower HW 615 User Guide

OPERATOR’S MANUAL  
21” MULCHING PUSH  
MOWER  
MODEL NO:  
HW-615  
FACTORY NO:  
11A-599B190  
IMPORTANT: READ SAFETY RULES AND INSTRUCTIONS CAREFULLY  
This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forest-  
Warning:  
covered, brush-covered or grass-covered land unless the engine’s exhaust system is equipped with a spark arrester meeting  
applicable local or state laws (if any). If a spark arrester is used, it should be maintained in effective working order by the operator.  
In the State of California the above is required by law (Section 4442 of the California Public Resources Code). Other states may have  
similar laws. Federal laws apply on federal lands. A spark arrester for the muffler is available through your nearest engine authorized  
service dealer or contact the service department, P.O. Box 361131 Cleveland, Ohio 44136-9722.  
WHITE OUTDOOR PRODUCTS COMPANY P.O. BOX 361131 CLEVELAND, OHIO 44136-9722  
PRINTED IN U.S.A.  
FORM NO. 770-10060  
(10/98)  
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SECTION 1: CALLING WARRANTY SERVICE  
If you are having difficulty assembling this product or if you have any question regarding the controls, operation or  
maintenance of this unit, please call the Customer Dealer Referral Line. You can reach them by calling:  
1-800-949-4483  
Before calling your local dealer, make sure that you have your model and serial numbers ready. By having the  
model and serial numbers ready, you help your local dealer give you faster service. To find your unit’s model and  
serial number, see SECTION 2: FINDING YOUR MODEL NUMBER.  
SECTION 2: FINDING YOUR MODEL NUMBER  
This Operator’s Manual is an important part of your new walk behind. It will help you assemble, prepare and  
maintain your walk behind. Please read and understand what it says.  
Before you start to prepare your walk behind for its first use, please locate the model plate and copy the information  
from it in this Operator’s Manual. The information on the model plate is very important if you need help from your  
dealer.  
• Every walk behind has a model plate. You can locate it by standing behind the unit in the operating position  
and looking down at the rear of the deck.  
• The model plate will look like Figure 1.  
This is where your model number will be.  
XXX-X-XXX-X-XXX XXXXXXXXXXX  
This is where your serial number will be.  
Copy the model number here:  
WHITE OUTDOOR  
PRODUCTS COMPANY  
P.O. BOX 361131  
CLEVELAND, OHIO 44136  
Copy the serial number here:  
FIGURE 1  
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SECTION 3: IMPORTANT SAFE OPERATION PRACTICES  
This symbol points out important safety instructions which, if not followed, could endanger the  
personal safety and/or property of yourself and others. Read and follow all instructions in this manual  
before attempting to operate your lawn mower. Failure to comply with these instructions may result in  
personal injury. When you see this symbol—heed its warning.  
Your lawn mower was built to be operated according to the rules for safe operation in this manual.  
DANGER:  
As with any type of power equipment, carelessness or error on the part of the operator can result in  
serious injury. If the operator violate any of these rules, you may cause serious injury to yourself  
or others.  
• Never pull the mower toward you while you are  
walking. If you must back the mower away from a  
wall or obstruction first look down and behind, and  
then follow these steps:  
1. GENERAL OPERATION  
• Read this owner’s guide carefully in its entirety  
before attempting to assemble this machine. Read,  
understand, and follow all instructions on the  
machine and in the manual(s) before operation. Be  
completely familiar with the controls and the proper  
use of this machine before operating it. Keep this  
manual in a safe place for future and regular  
reference and for ordering replacement parts.  
• Your rotary mower is a precision piece of power  
equipment, not a plaything. Therefore, exercise  
extreme caution at all times. Your unit has been  
designed to perform one job: to mow grass. Do not  
use it for any other purpose.  
• Never allow children under 14 years old to operate  
a power mower. Children 14 years old and over  
should only operate mower under close parental  
supervision. Only responsible individuals who are  
familiar with these rules of safe operation should be  
allowed to use your mower.  
• Keep the area of operation clear of all persons,  
particularly small children and pets. Stop engine  
when they are in the vicinity of your mower to help  
prevent blade contact or thrown object injury.  
Although the area of operation should be  
completely cleared of foreign objects, an object  
may have been overlooked and could be  
accidentally thrown by the mower in any direction  
and cause serious personal injury to the operator or  
any others allowed in the area.  
• Thoroughly inspect the area where the equipment  
is to be used. Remove all stones, sticks, wire,  
bones, toys and other foreign objects which could  
be picked up and thrown by the mower in any  
direction and cause serious personal injury to the  
operator or any others allowed in the area. Plan  
your mowing pattern to avoid discharge of material  
toward roads, sidewalks, bystanders and the like.  
• Step back from the mower to fully extend your  
arms.  
• Be sure you are well balanced with sure footing.  
• Pull the mower back slowly, no more than half way  
toward you.  
• Repeat these steps as needed.  
• Do not operate the mower while under the  
influence of alcohol or drugs.  
• The blade control handle is a safety device. Never  
attempt to bypass its operation. Doing so makes  
the safety device inoperative and may result in  
personal injury through contact with the rotating  
blade. The blade control handle must operate  
easily in both directions and automatically return to  
the disengaged position when released.  
• Never operate the mower in wet grass. Always be  
sure of your footing. A slip and fall can cause  
serious personal injury. Keep a firm hold on the  
handle and walk, never run. Mow only in daylight or  
in good artificial light.  
• Stop the blade when crossing gravel drives, walks  
or roads.  
• If the equipment should start to vibrate abnormally,  
stop the engine and check immediately for the  
cause. Vibration is generally a warning of trouble.  
• Shut the engine off and wait until the blade comes  
to a complete stop before removing the grass  
catcher or unclogging the chute. The cutting blade  
continues to rotate for a few seconds after the  
engine is shut off. Never place any part of the body  
in the blade area until you are sure the blade has  
stopped rotating.  
• Never operate mower without proper guards, grass  
catcher, plates or other safety protective devices in  
place.  
• Muffler and engine become hot and can cause a  
burn. Do not touch.  
To help avoid  
a
thrown objects injury, keep  
children, bystanders and helpers at least 75 feet  
from the mower while it is in operation.  
• Only use accessories approved for this machine by  
the manufacturer. Read, understand, and follow all  
instructions provided with the approved accessory.  
• If situations occur which are not covered in this  
manual, use care and good judgment. Contact your  
dealer for assistance.  
• Always wear safety glasses or safety goggles  
during operation or while performing an adjustment  
or repair, to protect eyes from foreign objects that  
may be thrown from the machine in any direction.  
• Wear sturdy, rough-soled work shoes and close-  
fitting slacks and shirts. Shirts and pants that cover  
the arms and legs and steel-toed shoes are  
recommended. Do not wear loose fitting clothes or  
jewelry. They can be caught in moving parts. Never  
operate a unit in bare feet, sandals, or sneakers.  
• Do not put hands or feet near or under rotating  
parts. Keep clear of discharge opening at all times  
as the rotating blade can cause injury.  
• Do not adjust the throttle control with the engine  
running.  
2. SLOPE OPERATION  
For your safety, use the slope gauge included as part of this  
manual to measure slopes before operating this unit on a  
sloped or hilly area. If the slope is greater than 15 degrees  
as shown on the slope gauge, do not operate this unit.  
• Many injuries occur as a result of the mower being  
pulled over the foot during a fall. Do not hang on to  
the mower if you are falling; release the handle  
immediately.  
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DO:  
• Check the blade and engine mounting bolts at  
frequent intervals for proper tightness. Also,  
visually inspect blade for damage (e.g., bent,  
cracked). Replace with blade which meets original  
equipment specifications.  
• Mow across the face of slopes; never up and down.  
Exercise extreme caution when changing direction  
on slopes.  
• Watch for holes, ruts, hidden objects, or bumps.  
Tall grass can hide obstacles.  
• Keep all nuts, bolts, and screws tight to be sure the  
equipment is in safe working condition.  
• Always be sure of your footing. A slip and fall can  
cause serious personal injury. If you feel you are  
losing your balance release the blade control  
handle immediately and the blade will stop in less  
than 3 seconds.  
• ON MODELS WITH CASTER WHEELS: Lock both  
front wheels so they do not pivot while mowing on  
the face of slopes. To turn the mower, depress the  
handle and raise the front wheels slightly.  
• Never tamper with safety devices. Check their  
proper operation regularly.  
• After striking a foreign object, stop the engine,  
remove the wire from the spark plug, and  
thoroughly inspect the mower for any damage.  
Repair the damage before starting and operating  
the mower.  
• Never attempt to make a wheel or cutting height  
adjustment while the engine is running.  
DO NOT:  
• Grass catcher components are subject to wear,  
damage and deterioration, which could expose  
moving parts or allow objects to be thrown. For  
safety protection, frequently check components and  
replace with manufacturer’s recommended parts,  
when necessary.  
• Do not mow near drop-offs, ditches or  
embankments. The operator could lose footing or  
balance.  
• Do not mow slopes greater than 15 degrees as  
shown on the slope gauge.  
• Do not mow on wet grass. Reduced footing could  
cause slipping.  
• Mower blades are sharp and can cut. Wrap the  
blade(s) or wear gloves, and use extra caution  
when servicing them.  
• Do not change the engine governor setting or  
overspeed the engine. Excessive engine speeds  
are dangerous.  
• ON MOWERS WITH CASTER WHEELS: Do Not  
mow on slopes with casters unlocked since the  
mower has a tendency to drift down hill.  
3. CHILDREN  
Your Responsibility  
Tragic accidents can occur if the operator is not alert to the  
presence of children. Children are often attracted to the  
mower and the mowing activity. Never assume that children  
will remain where you last saw them.  
• Restrict the use of this power machine to persons  
who read, understand and follow the warnings and  
instructions in this manual and on the machine.  
• Following are representations of the safety labels  
on your lawn mower. Maintain safety while  
operating the mower.  
• Keep children out of the mowing area and under  
the watchful care of a responsible adult other than  
the operator.  
• Be alert and turn mower off if a child enters the  
area.  
• Before and while moving backwards, look behind  
and down for small children.  
• Never allow children under age 14 to operate the  
mower.  
• Use extreme care when approaching blind corners,  
shrubs, trees, or other objects that may obscure  
your vision of a child or hazard.  
4. SERVICE  
• Use extreme care in handling gasoline and other  
fuels. They are extremely flammable and the  
vapors are explosive.  
• Use only an approved gasoline container.  
• Never remove gas cap or add fuel while the engine  
is running. Allow engine to cool at least two  
minutes before refueling.  
• Replace gasoline cap securely and wipe off any  
spilled gasoline before starting the engine as it may  
cause a fire or explosion.  
• Extinguish all cigarettes, cigars, pipes and other  
sources of ignition.  
• Never refuel machine indoors because flammable  
vapors will accumulate in the area.  
• Never store the machine or fuel container inside  
where there is an open flame or spark such as a  
gas water heater, space heater, or furnace.  
• Never run an engine inside a closed area.  
• To reduce fire hazard, keep mower free of grass,  
leaves, or other debris build-up. Clean up oil or fuel  
spillage. Allow mower to cool at least 5 minutes  
before storing.  
• Before cleaning, repairing, or inspecting, make  
certain the blade and all moving parts have  
stopped. Disconnect the spark plug wire, and keep  
the wire away from the spark plug to prevent  
accidental starting.  
5
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SECTION 4: SLOPE GAUGE  
USE THIS PAGE AS A GUIDE TO DETERMINE SLOPES WHERE YOU MAY NOT OPERATE SAFELY.  
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SECTION 5: UNPACKING  
Removing Unit From Carton  
Remove staples, break glue on top flaps, or cut tape at carton end and peel along top flap to open  
carton.  
Remove loose parts if included with unit (i.e., Operator’s manual, etc.). See Figure 2.  
FIGURE 2  
Cut along dotted lines and lay carton down flat. Remove packing material.  
Roll or slide unit out of carton. Check carton thoroughly for loose parts. See Figure 2.  
NOTE: Make sure not to crimp the cable while removing the loose parts or the entire unit from the carton.  
NOTE:Reference to right or left hand side of the mower and/or front or behind the mower is observed from  
the operating position.  
SECTION 6: SETTING UP MOWER  
Tools Required  
• Pair of Pliers  
• Funnel  
Disconnecting Spark Plug  
• Before setting up your lawn mower, disconnect the spark plug wire from the spark plug, and ground  
it against the engine. See Figure 3.  
• Attach rubber boot to a bolt on the engine to ground.  
Rubber Boot  
Spark Plug  
Wire  
Spark Plug  
FIGURE 3  
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Assembling Handle  
• Raise the lower handle in the direction shown in Figure 4A till it snaps into place.  
Note: Make sure to route the cable inside the lower handle. Also do not crimp the cable while lifting the  
handle up.  
For shipping purposes, the hairpin clip is placed in the outer hole of the weld pin on the lower handle.  
• Remove the hairpin clip from the outer hole of the weld pin.  
• Using a pair of pliers, insert the hairpin clip into the inner hole in the weld pin. Repeat on other side.  
See Figure 4 inset.  
• Raise the upper handle in the direction shown in Figure 4B. Tighten the wing nuts which are  
already on the handle.  
• Attach the cable to the lower handle with the two cable ties already on the lower handle. Pull tight  
on the cable ties and cut off the extra.  
Hairpin  
Clip  
A
B
Lower  
Handle  
Weld  
Pin  
FIGURE 4  
Attaching Starter Rope  
The rope guide is already attached to the right side of the upper handle of your mower. See Figure 5.  
• With the spark plug wire disconnected and grounded, hold the blade control handle against the  
upper handle, and pull the starter rope out of the engine.  
• Slip the rope through the rope guide. Tighten the wing nut holding the rope guide to the upper  
handle.  
Recoil  
Starter  
Wing Nut  
Upper Handle  
Rope Guide  
Lower Handle  
FIGURE 5  
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Attaching Discharge Chute  
Your lawn mower was shipped as a mulcher. Remove the mulching cover and attach the side-discharge chute for  
discharging grass clippings.  
• Remove three plastic wing nuts holding the mulching cover to the deck. See Figure 6A. Keep the cover in a  
safe place for future use. Save the wing nuts.  
• Place the side-discharge chute on the deck (in place of the mulching cover) so that the top flange on the  
discharge chute goes under the top edge of the opening on the deck. See Figure 6B.  
• Align the three slots on the chute with the hardware slots on the deck.  
• Secure with the wing nuts earlier removed. Tighten the wing nuts.  
A
B
Mulching  
Cover  
Side-Discharge  
Chute  
Top Flange  
goes under  
Align the slot  
here (only two  
shown)  
top edge of  
opening on deck  
FIGURE 6  
IMPORTANT: This unit is shipped WITHOUT GASOLINE or OIL. Be certain to service engine with gasoline and oil  
as instructed in the separate engine manual before operating your mower.  
SECTION 7: CONTROLS  
Read this operator’s manual and safety rules before operating your lawn mower. Compare the illustrations in Figure 7  
with your lawn mower to familiarize yourself with the location of various controls and adjustments. Save this manual for  
future reference.  
The operation of any lawn mower can result in foreign objects being thrown into the operator’s eyes thus causing  
severe eye damage. Always wear safety glasses while operating the mower, or while performing any adjustments or  
repairs on it.  
Blade Control Handle  
Oil Fill  
Gas Tank  
Plug  
Recoil Starter  
Engine  
Caster Lock  
Throttle  
Control  
Primer  
Mulching  
Cover  
Spark Plug  
FIGURE 7  
9
Discharge  
Chute  
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Recoil Starter  
The recoil starter is attached to the handle. Stand behind the unit and pull the recoil starter to start the unit.  
Primer  
The primer is used to pump gas into the carburetor. Use it to start a cold engine, but do not use it to restart a  
warm engine after short shutdown.  
Blade Control Handle  
WARNING: This control mechanism is a safety device. Never attempt to bypass its  
operations.  
The blade control handle is located on the upper handle of the mower. The blade control handle must be  
depressed in order to operate the unit. Release the blade control handle to stop the engine and the blade.  
Throttle Control  
The throttle control is located on the engine. It is used to regulate the engine speed.  
WARNING: The throttle control cannot be used to stop the engine. Do not adjust the  
throttle control with the engine running.  
Caster Wheels  
Your mower is equipped with caster wheels in front. The casters can be locked in a straight ahead position for  
mowing on hills, or can be left unlocked to swivel freely on level ground.  
SECTION 8: OPERATION  
Gas And Oil Fill-up  
Oil :  
• Only use high quality detergent oil rated with API service classification SF, SG or SH. Use SAE30 oil; do  
not use 10W40 oil.  
• Fill oil sump and check the oil level following steps below. See Figure 8.  
a. Position the mower on level ground and clean area around oil fill plug.  
b. Remove oil fill plug and dipstick. Wipe dipstick clean, insert it into oil fill hole and tighten securely.  
c. Remove dipstick and check oil level. If the oil is not upto FULL mark on the dipstick, pour recommended  
oil through the oil fill and check the level again.  
• Install oil fill plug and dipstick, tighten securely.  
Fill oil here  
Fill gas here  
FIGURE 8  
NOTE: Although multi-viscosity oils (5W30, 10W30, etc.) improve starting in cold weather, these multiviscosity  
oils will result in increased oil consumption when used above 32oF. Check the oil level more frequently to avoid  
possible engine damage from running low on oil.  
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Gasoline  
WARNING: Never fill fuel tank indoors, or when engine is running or hot. Do not smoke when filling  
fuel tank.  
• Clean area around fuel cap. Remove cap. See Figure 8. Use a funnel to prevent spillage.  
• Pour approximately 1.5 quarts of fresh, regular grade, unleaded gasoline slowly to the fuel tank.  
IMPORTANT: Never mix engine oil with gasoline.  
• Fill tank to 1/2” below the bottom of the filler neck. Wipe any fuel spillage. Do not fill fuel tank completely.  
Provide space for fuel expansion.  
Starting Engine  
WARNING: Be sure no one other than the operator is standing near the lawn mower while  
starting or operating.  
Never run engine indoors or in enclosed, poorly ventilated areas. Engine exhaust contains carbon  
monoxide, an odorless and deadly gas.  
Keep hands, feet, hair and loose clothing away from any moving parts on engine and lawn mower.  
• To prevent the unit from sliding, place your foot firmly against the tire.  
• Attach spark plug wire to spark plug. Make certain the metal cap on the end of the spark plug wire is fastened  
securely over the metal tip on the spark plug.  
• Move throttle control on the engine to the fast (rabbit) position.  
• Push primer three times. Wait about two seconds between each push. In cold weather around 55o F or  
below, prime five times. Do not prime to restart a warm engine after a short shutdown.  
• Grasp starter handle and pull rope out slowly until engine reaches the start of compression cycle (rope will  
pull slightly harder at this point). Let the rope rewind slowly.  
• Pull rope with a rapid, continuous, full arm stroke. Keeping a firm grip on the starter handle, let the rope return  
to the starter slowly.  
Stopping Engine  
• Release blade control handle to stop the engine and the blade.  
• Disconnect spark plug wire and move away from spark plug to prevent accidental starting.  
Locking Casters  
If you are cutting grass on a slope, always lock the front wheel casters of your mower for straight ahead operation.  
On level ground you may leave the casters unlocked to pivot freely.  
To turn the mower on a slope with casters locked, depress the handle and raise the front wheels slightly.  
To lock caster: Lift and place the lock pin in the larger hole on each caster. See Figure 9.  
To unlock caster: Lift and place the lock pin in the smaller hole to allow casters to rotate freely.  
Unlocked  
Locked  
Position  
Position  
FIGURE 9  
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WARNING: Do not mow on slopes with casters unlocked since the mower can drift downhill.  
Using Your Lawn Mower  
Your mower is designed to operate as a mulching or a side-discharge unit.  
• For converting from a mulcher to a side-discharge unit, refer to instructions on page 9 of this manual.  
• For converting from a side-discharge unit to a mulcher, replace the side-discharge chute with the mulching  
cover. Do not operate the mower without the mulching cover or the discharge chute properly installed  
and tightly secured.  
• Be sure that the lawn is clear of stones, sticks, wire, or other objects which could damage lawn mower or  
engine. Such objects could be accidently thrown by the mower in any direction and cause serious personal  
injury to the operator and others.  
For best results, do not cut wet grass because it tends to stick to the underside of the mower, preventing  
proper discharge of grass clippings, and could cause you to slip and fall. New grass, thick grass or wet grass  
may require a narrower cut. Blade speed should be adjusted to the condition of the lawn.  
• The best mowing pattern is one that allows the clippings to discharge towards the uncut part of the lawn. This  
permits recutting of the clippings to further pulverize them. When cutting high weeds, discharge towards cut  
portion, then recut at right angles to first direction.  
• For a healthy lawn, always cut off one-third or less of the total length of the grass. Lawn should be trimmed in  
fall as long as there is growth.  
• This mower is designed to run at full throttle to give you the best cut and do the most effective job of bagging  
the cut grass.  
WARNING: If you strike a foreign object, stop the engine. Remove spark plug wire from spark  
plug, thoroughly inspect the mower for any damage. Repair the damage before restarting and  
operating the mower. Extensive vibration of the mower during operation is an indication of  
damage. The unit should be promptly inspected and repaired.  
Height Adjustment  
Refer to height adjustments section of this manual on page 15 for instruction on how to adjust the cutting height and  
the handle height.  
• For best results in mowing, keep the cutting height position high until it is determined which height is best for  
your lawn.  
SECTION 9: MAINTENANCE  
WARNING: Always stop the engine and disconnect the spark plug wire before performing any  
maintenance or adjustments.  
Cleaning Mower  
The underside of the mower deck should be cleaned after each use to prevent any build-up of grass clippings,  
leaves, dirt, or other debris. If this debris is allowed to accumulate, it will result in rust and corrosion.  
• Disconnect spark plug wire.  
• Drain the gasoline from the lawn mower, or place a piece of plastic under the gas cap.  
• Tip the mower so that it rests on the housing. Keep the side with the air cleaner facing up. Hold the mower  
firmly.  
• Scrape clean the underside of the deck with a suitable tool.  
• Put the mower back on its wheels on the ground. If you had put plastic under the gas cap, make sure to  
remove it now.  
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WARNING: Never tip the mower more than 90 degrees and do not leave the mower tipped for any  
length of time. Oil can drain into the upper part of the engine causing a starting problem.  
Engine Maintenance  
• A list of key maintenance jobs required for good performance by the mower over the years follows here.  
Follow the accompanying engine manual for detailed list and instructions.  
• Change engine oil after the first two operating hours and every 25 operating hours thereafter. Check the oil  
level before starting the engine every time.  
• Service the foam filter in the air cleaner every 25 hours of use and replace the paper filter component every  
100 hours. You may have to service the air filter more frequently if you are operating the mower under  
extremely dusty conditions.  
• Clean the engine periodically. Remove dirt and debris with a cloth or brush. We do not recommend using a  
garden hose to clean mower unless the muffler, air filter and the carburetor are covered to keep water out.  
Water in engine can shorten engine life.  
• Clean the spark plug and reset the gap to .030” at least once a season or every 50 hours of operation. Spark  
plug replacement is recommended at the start of each season. Refer to the engine manual, shipped with this  
unit, for correct spark plug type.  
• Inspect muffler periodically, and replace if necessary. Damaged mufflers or spark arresters can create a fire  
hazard. Make sure to avoid muffler and surrounding areas while the mower engine is hot because  
temperature of these areas of the engine may exceed 150o F.  
Lubrication  
For complete lubrication chart, see Figure 10.  
Wheels  
• Lubricate the wheels at least once a season with light oil or engine oil. Also, if the wheels are removed for  
any reason, lubricate the surface of the axle bolt and the inner surface of the wheel with light oil.  
Caster Assembly  
• Grease fittings are provided for easy lubrication of the swivel pins located on the front caster assembly. Use a  
grease gun to lubricate the casters every 25 operating hours or so.  
Blade Control Handle  
• Lubricate the pivot points on the blade control handle and the brake cable at least once a season with light  
oil. The blade control handle must operate freely in both directions.  
FIGURE 10  
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SECTION 10: SERVICE & ADJUSTMENTS  
Blade Care  
Periodically inspect the blade adapter for cracks, especially if you strike a foreign object. Replace when necessary.  
WARNING: When removing the cutting blade for sharpening or replacement, protect hands by  
using heavy gloves or a rag to grasp the cutting blade.  
• Disconnect spark plug wire from spark plug.  
• Turn mower on its side making sure that the air filter and the carburetor are up.  
To Remove Blade  
• Remove the bolt and blade bell support which hold the blade and adapter to the engine crankshaft. See  
Figure 11A.  
• Remove the blade and adapter from the crankshaft.  
To Replace Blade:  
• Before reinstalling the blade and the blade adapter to the unit, lubricate the engine crankshaft and the inner  
surface of the blade adapter with light oil.  
• Install the blade adapter on the crankshaft with the “star” away from the engine. See Figure 11A.  
1. Insert screw driver through hole  
B
A
Blade Adapter  
Crankshaft  
Single-Bolt  
Blade  
2. Blade should be parallel to ground  
Screw  
Driver  
Blade  
Blade Bell  
Support  
Hex Bolt  
Ground  
FIGURE 11  
• Place the new blade with the side marked bottom (or with part number) facing away from the adapter.  
• Place the bell support next. Make sure to align the tabs in the holes of the blade with the hole in the bell  
support.  
• Insert the hex bolt through the blade assembly. Figure 11A shows the correct order of assembly.  
• Use block of wood to hold blade again while you tighten the bolt clockwise. Follow the recommended torque  
for the bolt which is 450-600 in.-lbs.  
IMPORTANT: The bolt, used to secure the blade to the engine, is specially heat-treated. Do not substitute. To order  
replacement bolt, refer to the Parts List section of this manual.  
WARNING: To ensure safe operation of your unit, all nuts and bolts must be checked periodically  
for correct tightness.  
To Sharpen Blade:  
• The blade can be sharpened with a file or on a grinding wheel. Do not attempt to sharpen while blade is on  
the mower.  
• Follow the original angle of grind as a guide. Make sure that each cutting edge receives an equal amount of  
grinding to prevent an unbalanced blade.  
14  
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NOTE: An unbalanced blade will cause excessive vibration when rotating at high speeds, may cause damage to the  
mower and could break, causing personal injury.  
• Test the blade by balancing it on a round shaft screwdriver or a blade balancer. See Figure 11B.  
• If the blade is not balanced, remove metal from the heavy side until it balances evenly.  
Adjusting Handle Height  
Your mower is shipped with the handle in the higher height position. To lower the handle height, proceed as follows.  
• Remove the starter rope from the rope guide.  
• Remove the upper handle by removing the hand knobs and carriage bolts. Lay the upper handle out of the  
way, being careful not to bend or kink the cables.  
• Remove the hairpin clips from the weld pins on the handle brackets. Refer to Figure 4 inset. Press out on the  
legs of the lower handle. Remove lower handle from the mower.  
• Turn the lower handle around so the notch on the bottom of the lower handle is facing forward as shown in  
Figure 12. Reassemble, placing the bottom holes in the handle over the weld pins in the handle mounting  
bracket.  
Notch  
Lower  
Handle  
FIGURE 12  
• Reassemble the upper handle to the lower handle.  
• Place the hairpin clips in the inner holes in the weld pins and attach the starter rope as instructed in the  
Assembly section.  
Adjusting Cutting Height  
IMPORTANT: All wheels must be placed in the same relative position. For rough or uneven lawns, move the height  
adjustment lever to a higher position. This will help stop scalping of the grass.  
Rear Wheel Adjustment  
The rear wheel cutting height adjustment rod is located between the two rear hi-wheels.  
• Squeeze the two adjustment rods together and pull towards the operator.  
• Move rods upward or downward to any one of the six positions and reinsert. See Figure 13A.  
• Make sure that the rear rod sits in the groove of the new height position.  
B
A
Rear Rod  
Spring Washer  
Axle Bolt  
Adjustment  
Rod  
Wing  
Nut  
Trail  
Shield  
FIGURE 13  
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Front Wheel Adjustment  
The front wheel cutting height is determined by placing the axle rod in one of the six height adjustment positions in  
each caster assembly on the front wheels.  
• To adjust, remove the wing nut from the axle bolt. See Figure 13B.  
• Slide the axle bolt and spring washer from the assembly and select a cutting height.  
• With the spring washer on the axle bolt, reinsert the axle bolt in the square hole desired, through the wheel  
assembly. See Figure 13B.  
• Secure with wing nut previously removed.  
SECTION 11: OFF-SEASON STORAGE  
Prepare your lawn mower for storage at the end of the season or if the unit will not be used for 30 days or more.  
Store the mower in a clean, dry area.  
Mower  
• Clean underside of the mower following instructions in the Maintenance section of this manual.  
• Inspect and replace/sharpen blade, if required. Refer to the Maintenance section of this manual for blade  
care instructions.  
• Lubricate mower following the lubrication chart in Figure 10 of this manual.  
• You can fold your mower’s handle for convenient storage as shown in Figure 14.  
a. Remove the starter rope from the rope guide.  
b. Loosen the two hand knobs on the sides of the handle, and let the upper handle fold down to the rear.  
c. Move the hairpin clips to the outer hole in the weld pins on the handle mounting brackets.  
d. Spread the sides of the lower handle, and push it forward and down.  
FIGURE 14  
NOTE: When folding the handle for storage or transportation, be careful not to bend or kink the cable.  
Engine  
• Follow recommendations in the accompanying engine manual for off-season storage of the engine.  
• Change oil if it has not been changed in the last three months. For instructions on how to change oil, refer to  
the engine manual.  
• Clean engine and remove any grass clippings, dirt, or chaff from the exterior of the engine.  
• Remove any dirt or debris from cooling fins, air intake screen, levers, and linkage.  
IMPORTANT: It is important to prevent gum deposits from forming in essential fuel system parts such as  
carburetor, fuel filter, fuel hose, or tank during storage. Also, experience indicates that alcohol blended fuels (called  
gasohol or using ethanol or methanol) can attract moisture which leads to separation and formation of acids during  
storage. Acidic gas can damage the fuel system of an engine while in storage.  
Other  
• Do not store gasoline from one season to another.  
• Replace your gasoline can if it starts to rust. Rust and/or dirt in the gasoline will cause problems. Store unit in  
a clean, dry area. Do not store next to corrosive materials, such as fertilizer.  
NOTE: If storing in an unventilated or metal storage shed, be certain to rustproof the equipment by coating with a  
light oil or silicone.  
16  
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SECTION 12: TROUBLE-SHOOTING GUIDE  
PROBLEM  
POSSIBLE CAUSE  
CORRECTIVE ACTION  
Engine fails to start  
1. Blade control handle disengaged  
2.Spark plug wire disconnected  
3.Throttle control lever not in fast position  
4.Fuel tank empty, or stale fuel  
5.Blocked fuel line  
1. Engage blade control handle.  
2.Connect wire to spark plug.  
3.Move throttle lever to fast position.  
4.Fill tank with fresh, clean fuel.  
5.Clean fuel line.  
6.Faulty spark plug  
7.Engine flooded  
6.Clean, adjust gap or replace.  
7.Crank engine with throttle in slow  
position.  
Engine runs erratic  
Engine overheats  
1. Spark plug wire loose  
2.Blocked fuel line or stale fuel  
1. Connect and tighten spark plug wire.  
2.Cleanfuelline,filltankwithclean,fresh  
gasoline.  
3.Vent in gas cap plugged  
4.Water or dirt in fuel system  
5.Dirty air cleaner  
3.Clear vent.  
4.Drain fuel tank. Refill with fresh fuel.  
5.Clean air cleaner. Refer to engine  
manual.  
1. Engine oil level low  
2.Air flow restricted  
1. Fill crankcase with proper oil.  
2.Clean lawn mower engine.  
Occasional skip  
(hesitates) at high  
speed  
1. Spark plug gap too close  
1. Adjust gap to .030 inches.  
Idles poorly  
1. Spark plug fouled, faulty, or gap too wide  
1. Reset gap to .030 inches or replace  
spark plug.  
2.Dirty air cleaner  
2.Clean air cleaner .  
Excessive vibration  
1. Cutting blade loose or unbalanced  
1. Tighten blade and adapter, balance  
blade.  
2.Bent cutting blade  
2.Replace blade.  
3.Bent engine crankshaft  
3.Contact your nearest White dealer  
Mower will not  
mulch grass  
1. Engine speed too low  
2.Wet grass  
1. Move throttle lever to FAST position.  
2.Wait until later to cut.  
3.Excessively high grass  
3.Mow once at a high cutting height, then  
mow again at desired height. Make a  
narrower cutting swath (1/2) width. Do  
not cut off more than 1/3 of the total  
length.  
4.Dull blade  
4.Sharpen or replace blade.  
Uneven cut  
1. Wheels not in same height position  
1. Place all four wheels in same relative  
height position.  
2.Dull blade  
2.Sharpen or replace blade.  
For repairs beyond the minor adjustments listed above,  
please contact your nearest White Outdoor Products dealer.  
17  
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SECTION 13: PARTS LIST  
8
7
6
11  
12  
10  
13  
4
Engine shown for  
reference only  
2
3
15  
14  
5
2
4
Ref.  
No.  
1
Part No.  
714-0104  
Code  
Description  
Hairpin Clip  
Wing Nut  
1.  
720-0241  
726-0240  
736-0451  
749-0907A  
749-0438B  
647-0004  
720-0295  
710-1205  
720-0279  
746-0883  
710-1270  
2.  
Cable Tie  
3.  
Saddle Washer  
Lower Handle  
Upper Handle  
Control Handle  
Foam Grip  
4.  
5.  
6.  
7.  
8.  
Rope Guide  
Handle Knob  
Housing Control  
9.  
10.  
11.  
12.  
Oval C-Sunk  
Scr.  
712-0324  
Hex L-Nut 1/4-  
20 Thd.  
13.  
746-0912  
710-1174  
Control Cable  
Carriage Bolt  
14.  
15.  
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Handles for reference only  
1
15  
59  
11  
3
14  
19  
13  
17  
3
52  
44  
16  
25  
20  
59  
18  
23  
12  
21  
47  
51  
45  
5
4
35  
6
37  
30  
27  
43  
48  
41  
51  
46  
26  
22  
24  
34  
31  
32  
33  
34  
38  
29  
42  
40  
39  
46  
58  
50  
53  
49  
36  
41  
57 56  
2
56  
54  
46  
40  
7
38  
10  
8
9
2
55  
19  
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Ref.  
No.  
Ref.  
No.  
Part No.  
Code  
Description  
Part No.  
Code  
Description  
Engine  
710-0654A  
710-0703  
TT Screw 3/8 -16 x 1.00  
30.  
31.  
1.  
751B281451  
Engine Shroud  
Carriage Screw 1/4-20 x  
.75  
734-1857  
736-0105  
Wheel, Front Caster 7 X 2  
2.  
3.  
712-0397  
726-0233  
736-0204  
Wing Nut  
Push Nut  
Flat Washer  
Deck 21”  
Bell Washer .401 X .870 X  
.063  
32.  
33.  
34.  
35.  
736-0182  
736-0272  
738-0481  
Spring Washer .50 I.D. x  
1.0 O.D. x .022  
4.  
5.  
6.  
782-0049-  
0662  
Flat Washer .510 x 1.0 x  
.060  
682-9020A  
682-9021A  
682-9024  
710-0260  
N
N
Caster Assembly, RH  
Caster Assembly, LH  
Caster Bracket Assembly  
36.  
37.  
38.  
39.  
Shoulder Screw  
.500 x 2.62: 3/8 -16  
748-0377C  
736-0524A  
710-1257  
Blade Adapter  
7.  
8.  
9.  
Carriage Bolt 5/16-18 x  
.62  
Blade Bell Support  
Hex Bolt 3/8 - 24 x 2.5 Gr.  
8
711-1146  
712-0397  
712-3004A  
714-0104  
726-0214  
732-0306  
736-0232  
Caster Axle .374 x 2.59  
Wing Nut  
40.  
41.  
42.  
43.  
44.  
45.  
46.  
742-0741  
647-0028  
Blade 21”, Mulching  
10.  
11.  
Flange Nut 5/16-18 Gr.5  
Hairpin Clip  
Hi-Wheel Height Adj.  
Support  
710-1348  
712-3017  
732-0845  
732-0843  
732-0844  
736-0105  
AB Screw 1/4-14 x .50  
Hex Nut 3/8 -16  
12.  
13.  
14.  
15.  
16.  
17.  
Push Cap  
Compression Spring  
Torsion Spring  
Wave Washer .530 I.D. x  
.780 O.D.  
Torsion Spring, RH  
Torsion Spring, LH  
736-0264  
736-0931  
Flat Washer .330 I.D. x  
.630 x .06  
48.  
49.  
Bell Washer .401 x .870 x  
.063  
Fl.Wash. .203 I.D. x .403  
x .040  
738-0145  
747-0971  
Shoulder Screw .500 x  
.840  
18.  
19.  
737-3000  
741-0685  
747-0924  
731-1832  
731-1833  
731-1887  
710-0653  
Lube Fitting  
50.  
51.  
52.  
53.  
54.  
55.  
56.  
Flange Bearing  
Lock Pin, Front Wheel  
Discharge Chute  
Mulching Cover  
Hubcap  
Handle, Height  
Adjustment  
750-1090  
782-0572  
682-3054  
682-3055  
710-1348  
725-0157  
731-1901  
732-0842  
710-0134  
Spacer .500 x 1.0 x .600  
Height Adj. Bracket, RH  
Handle Bracket Ass’y, RH  
Handle Bracket Ass’y, LH  
AB Screw 1/4-14  
20.  
21.  
22.  
23.  
24.  
25.  
26.  
27.  
29.  
Hex Screw, TT 1/4-20 x  
.375  
710-0969  
731-1828  
734-1861  
HL Screw  
57.  
58.  
59.  
Cable Tie  
Rear Baffle  
Trail Shield  
Hi-Wheel 14 X 2  
Trail Shield Wire  
Carriage Screw  
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Your Notes  
Comments  
Date  
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Comments  
Date  
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MANUFACTURER’S LIMITED WARRANTY FOR:  
For TWO YEARS from the date of retail purchase  
within the United States of America, its possessions  
and territories, White Outdoor Products Company will,  
at its option, repair or replace, for the original  
purchaser, free of charge, any part or parts found to be  
defective in material or workmanship. This warranty  
covers units which have been operated and  
maintained in accordance with the operating  
instructions furnished with the unit, and which have not  
been subject to misuse, abuse, neglect, accident,  
improper maintenance or alteration.  
UNITS EXPORTED OUT OF THE UNITED STATES:  
White Outdoor Products Company does not extend  
any warranty for products sold or exported outside of  
the United States of America, its possessions and  
territories, except those sold through White Outdoor  
Products Company’s authorized channels of export  
distribution.  
OTHER WARRANTIES:  
1. The engine or component parts thereof carry  
separate warranties from their manufacturers.  
Please refer to the applicable manufacturer’s  
warranty on these items.  
NORMAL WEAR PARTS or components thereof are  
subject to separate terms as noted below in the “No  
Fault Ninety Day Consumer Warranty” clause.  
Commercial use is subject to the terms listed above,  
and is covered for a period of 90 days from the date of  
purchase.  
2. Batteries are covered by a 90-day replacement  
warranty.  
3. Log splitter pumps, valves and cylinders or  
component parts thereof are covered by a one  
year warranty.  
TWO YEAR CONSUMER WARRANTY ON NORMAL  
WEAR PARTS WITH NINETY DAY NO FAULT  
PROTECTION: All normal wear parts failures will be  
covered on this product for a period of 90 days  
regardless of cause. After 90 days, but within the two  
year period, normal wear parts failures will be covered  
if caused by defects in material or workmanship.  
Normal wear parts are defined as belts, blades, blade  
adapters, grass bags, rider deck wheels, seats, snow  
thrower skid shoes, shave plates and tires.  
4. All other warranties, express or implied, including  
any implied warranty of merchantability or fitness  
for a particular purpose, are hereby expressly  
disclaimed in their entirety.  
5. The provisions as set forth in this warranty provide  
the sole and exclusive remedy of White Outdoor  
Products Company’s obligations arising from the  
sales of its products. White Outdoor Products  
Company will not be liable for incidental or  
consequential loss or damage.  
HOW TO OBTAIN SERVICE: Warranty service is  
available, with proof of purchase, through your local  
authorized service dealer. To locate the dealer in your  
area, please check the yellow pages or contact the  
Customer Service Department of White Outdoor  
Products Company, P O Box 361131, Cleveland, Ohio  
44136-0019. Phone (330) 225-8883. The return of a  
complete unit will not be accepted by the factory  
unless prior written permission has been extended by  
the Service Department of White Outdoor Products  
Company.  
HOW STATE LAW RELATES TO THIS WARRANTY:  
This limited warranty gives you specific legal rights,  
and you may also have other rights which vary from  
state to state. Certain disclaimers are not allowed in  
some states and therefore they may not apply to you  
under all circumstances.  
NOTE: This warranty does not cover set-up, routine  
maintenance items such as lubricants, filters, blade  
sharpening and tune-ups, or adjustments such as  
brake adjustments. Nor does this warranty cover  
normal deterioration of the exterior finish due to use or  
exposure.  
TRANSPORTATION  
CHARGES:  
Transportation  
charges for the movement of any power equipment  
unit or attachment are the responsibility of the  
purchaser. Transportation charges for any parts  
submitted for replacement under this warranty must be  
paid by the purchaser unless such return is requested  
by White Outdoor Products Company.  
23  
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WARNING: The Engine Exhaust from this product contains  
chemicals known to the State of California to cause cancer,  
birth defects or other reproductive harm.  
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