Differential and Carrier Assembly - TM-10-3930-624-340063

(5) Inspect the axle shaft for nicked or broken

(7) Straighten the prongs on the lockwasher

splines and for bends, cracks, burrs, scoring, pitting

(8), and remove the locknut (7), lockwasher (8)

and wear. Repair by welding and remachining if

and tongued washer (9).

18) Place the axle shaft assembly in a suitable

possible. Remove burrs and minor surface damage

with a soft hone or crocus cloth. Replace axle shaft

press, and remove the bearing assembly from the

as required.

shaft (6). Be careful not to damage the cap (10).

(6) Inspect the axle shaft housing for cracks,

Slide the cap from the shaft.

fatigue lines, burrs and damage to the machined

(9) Remove the oil seal (11) from cap (10)

and separate the bearings (12) from the bearing

surfaces. Replace if cracked or badly damaged.

d. Reassembly. Assemble the front axle and axle

cups (13).

housing in the reverse order of disassembly. Pack

(10) Remove the parking brake. Refer to TM

axle bearings with lubricant prescribed in LO 10-

10-3930-624-12.

3930-624-12. Tighten the locknuts (7, fig. 4-14)

(11) Remove the bolts (14) and lockwashers

until the bearing cup (13) binds slightly when

(15). Remove the front cover (16) and gasket (17).

(12) Remove the capscrews which secure the

rotated and secure with washers (8).

differential carrier to the axle housing and remove

4-7. Differential and Carrier Assembly

the carrier. Refer to paragraph 4-7 for differential

a. Removal.

repair instructions.

(1) If the front axle housing has not been

(13) Remove the capscrews (18), lockwashers

removed from the truck, disconnect the universal

(19). dust cover (20), rapscrews (21). lockwashers

joint from the parking brake drum.

(22). brake backing plate (23). seal (24), and plug

(2) Remove the front cover (10, fig. 4-14).

(25). Refer to TM 10-3930-024-12 for brake

Remove the capscrews which secure the carrier to

repair. Remove the plugs (26 and 27) and breather

the axle housing. Remove the carrier from the

(28).

truck.

c. Cleaning. Inspection and Repair.

b. Disassembly. (fig. 4-15).

(1) Clean all components in suitable solvent.

(1) Mark the caps (31 and the carrier (17) for

Dry with compressed air.

proper installation. Cut the lockwire and remove

(2) Follow general inspection procedures.

the capscrews (1). locks (2) and bearing caps (3).

(3) Inspect bearings for nicks, scratches,

scoring and pitting of the hearing surfaces. Replace

damaged bearings.

(4) Inspect the spindle for cracks, breaks,

scoring, other damage, and wear. Replace as

required.

4-13