Hubbell Stereo System SZ 21 User Manual

INSTALLATION and MAINTENANCE INSTRUCTIONS  
SZ-21 DIRECT DRIVE HAZARDOUS DUTY ELECTRIC CABLE REELS  
All units are provided with right hand rotation unless otherwise  
specified. This means that cable is pulled off spool top left or  
bottom right (spool rotates clockwise to wind cable) when  
viewing spring end of reel. See diagram on parts page.  
MAINTENANCE  
Periodically: A. Use compressed air to clean collector  
assembly and inside of collector housing. Inspect collector  
assembly for brush wear and pitted slip rings.  
B. Inspect cable for wear and check mounting bolts and  
Clock-type springs provide power for automatic cable take-up.  
Spring must be pretensioned at time of installation to  
insure that tension is applied to cable at all times. A tension  
adjustment spanner wrench is provided with each reel.  
“IN” with 2/3  
cable off reel–  
SPRING OK  
other hardware for tightness.  
BROKEN SPRING  
INDICATORS  
C.Check for broken springs  
by pulling about 2/3 cable off  
reel and observing “Broken  
Spring Indicators” on sides of  
spring canisters. See Fig. 3.  
NOTE: Bearings and springs  
are prelubricated and require  
no periodic maintenance.  
WARNING  
“OUT” with 2/3  
cable off reel–  
SPRING  
BROKEN  
Some reels with large or multiple springs are equipped with  
a ratcheted adjustment wrench. Follow separate instruc-  
tions for its use. Failure to use ratcheted wrench, on reels  
so equipped, could result in serious personal injury.  
Figure 3  
SPRING REPLACEMENT  
WARNING  
WARNING  
Do not attempt to relieve spring tension using span-  
ner wrench. Doing so may result in personal injury.  
Do not attempt to remove spring from its housing. Clock-  
type springs can be dangerous to handle. Removal of  
spring from housing could result in personal injury.  
INSTALLATION  
1. Insure that machinery to be serviced by reel is at position  
closest to reel.  
The unique SAFETYCHANGE® spring motor consists of a  
spring and hub sealed within a housing. A replacement spring  
is supplied sealed in its housing and the old unit should be dis-  
carded completely.  
2. Securely mount reel in desired position using 3/8"(M10)  
bolts. Be sure spool is aligned with cable run.  
3. Position optional cable guide, if reel is so equipped.  
4. Connect free end of cable to junction box on machine or  
adjust cable stop so that desired length of cable  
extends from reel.  
1. Turn off all electric power.  
2. Disconnect cable from machine junction box.  
3. Wind all cable onto reel to relieve all spring tension.  
4. Remove inspection cover from face of spring housing.  
5. Rotate spool clockwise and observe inner shaft. Shaft  
should rotate clockwise and hub (with spring attached)  
should remain stationary.  
5. Remove cover plate on spring housing to expose  
shaft and spring hub. (See Figure 1).  
6. Insert spanner wrench into holes in spring hub (Fig 2).  
Rotate wrench counterclockwise (for standard rotation).  
Number of 360O turns should match last digit in model  
number on serial plate. If model number includes an “R”,  
reel is reverse rotation and wrench must be rotated  
clockwise. (See EXPLANATION on parts list page.)  
NOTE: Do not attempt to remove spring if resistance  
is met or hub tends to rotate with shaft.  
Continue to rotate spool and strike end of shaft  
several sharp blows with a lead hammer or rubber mallet  
until shaft rotates freely and hub remains stationary.  
6. Remove (4) nuts which secure spring motor(s) to frame.  
7. Slide spring motor(s) off shaft and discard.  
NOTE: On multi-spring reels, be sure to remove and save  
dowel pins which connect one spring hub with another. Also  
remove snap rings on shaft between spring housings.  
8. Install replacement spring motor(s), pawls and pawl springs.  
NOTE: Pawl springs must be located between the pawls  
and the deepest section of the shaft grooves. Make sure  
that pawls and pawl springs are inserted flush with ends of  
shaft and hub or they may rub against inspection cover.  
COUNTER-  
CLOCKWISE  
FOR STANDARD  
ROTATION  
SPRING  
HOUSING  
COVER  
PLATE  
SPRING  
HUB  
SPANNER  
WRENCH  
Figure 2  
Figure 1  
SPRING  
PAWL  
HUB  
SPOOL  
SHAFT  
CAUTION  
(Spring not  
shown)  
Do not exceed number of turns indicated on  
serial plate. Over-tensioning can cause a  
broken spring, sheared shaft or other damage.  
SPRING  
Install  
against flat  
SHAFT  
GROOVE  
END VIEW  
SIDE VIEW  
NOTE: If reel is equipped with ratcheted adjustment  
wrench, follow instructions on separate sheet.  
NOTE: On reels containing more than one spring, the hubs  
are connected at the factory. Therefore, by tightening the  
outer spring, the inside spring(s) will be tightened.  
7. Remove collector cover and connect individual supply  
conductors to collector terminals.  
9. Tighten nuts (and extension bolts) securing spring  
housing(s) to reel frame.  
10. Connect free end of cable to junction box on machine or  
adjust cord stop so that desired length of cord extends from reel.  
11. Tension spring with spanner wrench. Refer to  
INSTALLATION section.  
12. Replace inspection cover.  
CONTINUED ON BACK PAGE  
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SZ-21 DIRECT DRIVE HAZARDOUS DUTY CABLE REEL REPLACEMENT PARTS LIST  
NOTE: Applicable mounting hardware included with each kit.  
ITEM  
KIT NO.  
01239301  
012406  
DESCRIPTION  
Frame Assembly  
QTY.  
ITEM  
12  
KIT NO.  
012425  
DESCRIPTION  
QTY.  
ar  
1
2
3
1
1
1
Pawl Kit (35, 60 Springs)  
(Includes 2 pawls and springs)  
Pawl Kit (62, 75, 80 Springs)  
Pawl Kit (100 Springs)  
Discs (Set of two)  
12  
12  
012426  
012427  
ar  
ar  
01239701  
Main Shaft Assembly  
(Includes drive pin and retaining rings)  
13  
13  
017190  
017191  
Spanner Wrench (35 – 80 Springs)  
Spanner Wrench (100 Springs)  
1
1
4
5
6
012402  
012401  
012456  
Bearing Kit–2" Bore  
(Includes housing and gasket)  
1
1
1
14  
032805  
Ratchet Wrench Kit (75, 80 Springs)  
(Includes mounting bolts)  
Ratchet Wrench KIt (100 Springs)  
1
Bearing Kit–1.75" Bore  
(Includes housing and gasket)  
14  
15  
032804  
017054  
1
Drive Stud Kit  
Extension Bolts (35 – 80 Springs)  
(4 bolts per kit–less hardware)  
Extension Bolts (100 Springs)  
ar  
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
012208  
01220801  
012209  
01220901  
012210  
01221001  
012211  
01221101  
012212  
01221201  
012213  
01221301  
012214  
01221401  
012371  
Stub Shaft, Std. Rotation (351, 601)  
Stub Shaft, Rev. Rotation (351, 601)  
Stub Shaft, Std. Rot. (621, 751, 801)  
Stub Shaft, Rev. Rot. (621, 751, 801)  
Stub Shaft, Std. Rot. (622, 752, 802)  
Stub Shaft, Rev. Rot. (622, 752, 802)  
Stub Shaft, Std. Rot. (623, 753, 803)  
Stub Shaft, Rev. Rot. (623, 753, 803)  
Stub Shaft, Std. Rot. (624, 754, 804)  
Stub Shaft, Rev. Rot. (624, 754, 804)  
Stub Shaft, Std. Rotation (1001)  
Stub Shaft, Rev. Rotation (1001)  
Stub Shaft, Std. Rotation (1002)  
Stub Shaft, Rev. Rotation (1002)  
Stub Shaft, Std. Rotation (1003)  
Stub Shaft, Rev. Rotation (1003)  
Stub Shaft, Std. Rotation (1004)  
Stub Shaft, Rev. Rotation (1004)  
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
15  
16  
17  
18  
19  
20  
017055  
016182  
021291  
100959  
101211  
P06-03  
ar  
ar  
ar  
ar  
ar  
ar  
Carriage Bolt, .50–13 x 1.5  
Lockwasher, .56 Med., Z.P.  
Hex Nut, .50–13, Z.P.  
Flat Washer, .50  
ESNA Lock Nut, .50–13, Z.P.  
21  
21  
021762  
021761  
Hub Lock Pins (100 Springs)  
Hub Lock Pins (All Other Springs)  
ar  
ar  
22  
22  
22  
22  
22  
22  
22  
22  
22  
22  
22  
22  
22  
22  
22  
22  
22  
22  
22  
22  
22  
22  
012285  
012286  
012287  
012288  
012289  
012290  
012291  
012292  
012293  
012294  
012295  
012296  
012297  
012298  
012299  
012300  
012376  
012377  
037194  
037294  
037295  
012304  
Collector Assembly, 2 Pole, 35 Amp  
Collector Assembly, 3 Pole, 35 Amp  
Collector Assembly, 4 Pole, 35 Amp  
Collector Assembly, 6 Pole, 35 Amp  
Collector Assembly, 8 Pole, 35 Amp  
Collector Assembly, 10 Pole, 35 Amp  
Collector Assembly, 12 Pole, 35 Amp  
Collector Assembly, 14 Pole, 35 Amp  
Collector Assembly, 16 Pole, 35 Amp  
Collector Assembly, 20 Pole, 35 Amp  
Collector Assembly, 24 Pole, 35 Amp  
Collector Assembly, 30 Pole, 35 Amp  
Collector Assembly, 36 Pole, 35 Amp  
Collector Assembly, 2 Pole, 75 Amp  
Collector Assembly, 3 Pole, 75 Amp  
Collector Assembly, 4 Pole, 75 Amp  
Collector Assembly, 6 Pole, 75 Amp  
Collector Assembly, 8 Pole, 75 Amp  
Collector Assembly, 2 Pole, 125 Amp  
Collector Assembly, 3 Pole, 125 Amp  
Collector Assembly, 4 Pole, 125 Amp  
Collector Assembly, 2 Pole, 200 Amp  
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
01237101  
014619  
01461901  
8
8
9
012416  
012417  
012444  
Wrapper Kit–5" Wide, 8" to 14" Dia.  
(Includes 4 wrapper sections)  
1
1
1
Wrapper Kit–5" Wide, 15" to 20"Dia.  
(Includes 8 wrapper sections)  
Cable Clamp Kit .38–.74 Dia. Cable  
(U-bolt with lockwashers and hex nuts)  
Cable Clamp Kit .75–1.11 Dia. Cable  
Cable Clamp Kit 1.12–1.50 Dia. Cable  
9
9
012445  
012446  
1
1
10  
03303901  
Enclosure Assembly  
2, 3, 4 pole/35 Amp collectors  
Enclosure Assembly  
4,6 p/35A; 2,3,4p/75A; 2p/125A;  
2p/200A collectors  
Enclosure Assembly  
10, 12p/35A; 6p/75A; 3p/125A collectors  
Enclosure Assembly  
14, 16p/35A; 8p/75A; 4p/125A collectors  
Enclosure Assembly  
20, 24pole/35Amp collectors  
Enclosure Assembly  
1
10  
03303902  
1
10  
10  
10  
10  
03303903  
03303904  
03303905  
03303906  
1
1
23  
012440  
Brush Kit (35 Amp)  
(Each kit includes 4 brushes and 4 fingers)  
Brush Kit (75 Amp)  
ar  
1
23  
23  
012441  
012443  
ar  
ar  
Brush Kit (125 Amp/200 Amp)  
1
30, 36 pole/35 Amp collectors  
n.s.  
02180901  
Seal Kit (Use to install cable)  
1
11  
017041  
Spring Motor Kit, Std.. Rot.–35  
ar  
(Includes pawl, pawl springs, cover, gaskets, and snap ring)  
11  
11  
11  
11  
11  
11  
11  
11  
11  
11  
11  
017042  
017043  
017044  
017045  
017046  
017047  
017048  
017049  
017050  
017051  
017052  
Spring Motor Kit, Rev. Rot.–35  
Spring Motor Kit, Std. Rot.–60  
Spring Motor Kit, Rev. Rot.–60  
Spring Motor Kit, Std. Rot.–62  
Spring Motor Kit, Rev. Rot.–62  
Spring Motor Kit, Std. Rot.–75  
Spring Motor Kit, Rev. Rot.–75  
Spring Motor Kit, Std. Rot.–80  
Spring Motor Kit, Rev. Rot.–80  
Spring Motor Kit, Std. Rot.–100  
Spring Motor Kit, Rev. Rot.–100  
ar  
ar  
ar  
ar  
ar  
ar  
ar  
ar  
ar  
ar  
ar  
WARNING  
Failure to carefully follow instructions in Seal Kit  
could result in reel that does not meet  
Hazardous Duty Certification.  
NOTE:  
Please consult factory for optional accessories: roller guides, ratchet lock, ;limit  
switch, hoop guides, spool lock, and swivel base. If Collector Assembly was  
CSA approved, so advise factory when ordering parts.  
AMPACITY  
MODEL NUMBER EXPLANATION  
CODE  
AMPS  
SPRING  
REEL  
FRAME  
SERIES  
SPRING  
SERIES  
NO. OF  
SPRINGS  
NO. OF  
POLES  
CORE  
DIAMETER  
PRETENSION  
TURNS  
AMPACITY  
3
7
35  
75  
12  
20  
125  
200  
SZ 21 80 2 R - 12 3 10 - 1  
INDICATES REVERSE ROTATION.  
NO LETTER INDICATES STANDARD ROTATION.  
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CABLE INSTALLATION & REMOVAL  
CABLE REMOVAL  
CAUTION  
Use the procedure detailed on HAZARDOUS DUTY CABLE  
REEL SEALING INSTRUCTIONS (bulletin 039789) which  
comes with sealing kit (available separately).  
Always open all breakers and disconnect electrical  
power to reel. Failure to turn off electrical power  
could lead to serious injury or death.  
CAUTION  
Carefuly read and follow instructions  
supplied with separate sealing kit as well as  
instructions for sealing compound. Failure to  
properly follow those instructions could result in  
damage to equipment, personal injury or death.  
1. Move machine serviced by reel to a position closest to reel.  
Springs will still be under pre-tension at this point.  
2. Turn off all power to reel.  
3. Remove collector cover and gasket.  
4. Disconnect electric leads to and from collector.  
5. Follow Steps 3–9, REMOVING OLD CABLE,  
on bulletin 039789.  
CABLE INSTALLATION REFERENCE DRAWING  
COLLECTOR  
COLLECTOR  
U-BOLT  
ENTRANCE  
COVER  
LOCKING  
COLLAR  
COLLECTOR  
ENCLOSURE  
SPOOL  
SPRING  
HOUSING  
COLLECTOR  
SHAFT  
COLLECTOR  
ENCLOSURE  
ASSEMBLY  
Shown in Fig 2  
without cover.  
CONDULET  
NIPPLE  
NOTE: This is FACTORY  
SEALED. Check seal  
integrity when  
COLLECTOR  
INSTALLED CABLE  
DRIVE  
BRACKET  
SPOOL SHAFT  
DRIVE  
STOP BOLT  
installing new cable.  
WATER TIGHT  
CONNECTOR  
GLEASON REEL CORP.  
P.O. Box 26 600 South Clark St.  
Mayville, WI 530500026  
®
®
Phone 9203874120 Fax 9203874189  
HUBBELL A Hubbell Company  
Printed in USA  
Bulletin No. 044619.a  
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