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DIFFERENTIAL & BEVEL GEAR GP 4646881 - Caterpillar



4646881 DIFFERENTIAL & BEVEL GEAR GP Caterpillar parts DIFFERENTIAL
Rating:
21
Alternative (cross code) number:
CA4646881
464-6881
4646881
Caterpillar 4646881 DIFFERENTIAL & BEVEL GEAR GP

Buy DIFFERENTIAL & BEVEL GEAR GP 4646881 Caterpillar genuine, new aftermarket tractor parts with delivery

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Illustration 28 g00539091Note: Later air starting motors will not have backup ring (39) and bumper (38).
Install backup ring (39) and bumper (38) in drive housing (6).
Illustration 29 g00538966
Improper assembly of parts that are spring loaded can cause bodily injury.To prevent possible injury, follow the established assembly procedure and wear protective equipment.
Install piston return spring (17) in drive housing (6).
Put the drive gear, piston (15), and the drive shaft assembly as a unit in position on piston return spring (17).
Put ring (16) in position over the piston. Install Tooling (B) between the drive gear and the piston. Use a suitable press in order to compress piston return spring (17). Install ring (16) in the groove of drive housing (6). Release the suitable press and remove Tooling (B).
Illustration 30 g00538964
Install O-ring seal (14) on drive housing (6).
Illustration 31 g00539089
Install bearing (36) in gear case (7). Use Tooling (C) in order to install ring (37) that holds bearing (36) in gear case (7).
Illustration 32 g00538963
Illustration 33 g00538961
Improper assembly of parts that are spring loaded can cause bodily injury.To prevent possible injury, follow the established assembly procedure and wear protective equipment.
Install drive housing (6) in gear case (7). Ensure that the shaft on the end of the drive gear is correctly engaged with the bearing in gear case (7). Install bolts (13) that hold drive housing (6) to gear case (7). Tighten the bolts to a torque of 38 N m (28 lb ft).
Use Tooling (A) in order to install ring (9) on the end of the shaft for drive gear (8). Note: Air starting motors for standard engine rotation rotate clockwise when the motors are viewed from the pinion end of the air starting motor. Bolt (10) for an air starting motor with clockwise rotation has left hand threads.Note: Air starting motors for reverse engine rotation rotate counterclockwise when the motors are viewed from the pinion end of the air starting motor. Bolt (10) for an air starting motor with counterclockwise rotation has right hand threads.
Install the spring, the sleeve, drive pinion (12), bolt (10), and washer (11) on the end of the drive shaft. Tighten bolt (10) to a torque of 108 N m (80 lb ft).
Illustration 34 g00538960
Install gear case (7) and drive housing (6) as a unit on motor housing (3). Apply Tooling (H) on the threads of bolts (5) that hold the cover and the housing. Install bolts (5). Tighten each bolt alternately to a torque of 81 N m (60 lb ft).
Illustration 35 g00538959
Install silencer (4) and the gasket on motor housing (3).
Illustration 36 g00538952
Install elbow (1) and the gasket on cover assembly (2).
In order to check the operation of the air starting motor, use the following procedure:
Turn the drive pinion by hand in the direction of the starter's rotation. The drive clutch must operate with a smooth action.
Turn the drive pinion in the opposite direction of the starter's rotation. The drive pinion must turn by hand.
Put 345 kPa (50 psi) of air pressure in the inlet line of the drive housing. The drive pinion

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