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  THIS SERVICE MANUAL IS EFFECTIVE:

 

S/N: 147497 TO CURRENT

 DATE: 

1/8/2014 

TO 

CURRENT

 VERSION:   

SM312S2-AA

!

WARNING: While working on this equipment, use safe lifting procedures, 
wear adequate clothing and wear hearing, eye and respiratory protection.

NOTE:

 Individual customer specifications (mounting 

case, output shaft, brake assembly, etc.) may vary from 
exploded drawing and standard part numbers shown. 
If applicable, refer to customer drawing for details.

MODEL 

312

 SPINDLE-SHAFT 

PLANETARY GEAR DRIVE 

SERVICE MANUAL

Summary of Contents for 312

Page 1: ...ifting procedures wear adequate clothing and wear hearing eye and respiratory protection NOTE Individual customer specifications mounting case output shaft brake assembly etc may vary from exploded drawing and standard part numbers shown If applicable refer to customer drawing for details MODEL 312 SPINDLE SHAFT PLANETARY GEAR DRIVE SERVICE MANUAL ...

Page 2: ... Model 312 spindle shaft service manual SM312S2 AA Page 1 30A 3 16B 14A 25A 25G 4 14B 7C 7E 7G 7D 7G 7B 7F 7A 12A 14B 16B 6 5C 5E 5D 5G 5B 5E 5F 5A 12B 16B 35C 35B 35A 20C 20D 1 30B 30C 20B 20A 16A 2 7E 16C 16D 16E 16F CAT SEAL LIP SEAL COMPONENT COMPONENTS ...

Page 3: ...5 004 1232 A SAE A COVER B SAE B COVER D SAE D COVER 2 1 25 004 4052L S1 OUTPUT SHAFT SPINDLE 25 004 1692 25 004 1602 25 004 1632 25 004 1622 25 004 1712 25 004 1732 25 004 1762 INPUT GEAR 14T 12 24 SPLINE INPUT GEAR 13T 8 16 SPLINE THRUST WASHER PRI PLANET THRUST WASHER SEC PLANET RATIO I T E M Q T Y GREASE FITTING OPTIONAL 01 215 0040 PLUG 1 4 NPT PART NUMBER 20 25 1 4 3125 1 4 6957 1 26 34 1 5 ...

Page 4: ...al consideration The max operating temp must not be exceeded under any circumstances regardless of ambient temperature If your unit was specified shaft up or with a Z option a grease zerk was provided in the base housing For shaft up operation the output bearing will not run in oil and must be grease lubricated Use a lithium based or general purpose bearing grease sparingly every 50 operating hour...

Page 5: ... refer to exploded view to confirm spacer positions d Begin placing rollers 7D pri 5D sec around shaft 7C pri 5C sec There should be clearance for last roller to slide in Be sure to install 12 pri or 2 rows of 18 sec rollers in each planet gear 7B pri 5B sec on loose roller applications If using multiple rows of rollers repeat steps C and D as necessary Once complete refer to exploded view to conf...

Page 6: ...aring grease to roll er contact surface of the inner cup 20D then press inner bearing cone 20C onto shaft 2 until it seats against inner bearing cup 20D 8 The bearing preload should be adjusted to achieve rolling torque in the range of between 100 to 400 in lb The bearing preload should be tailored to your application a low speed application may require a high pre load while high speed application...

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