Section II. DRIVE AXLE

TM 10-3930-631-34

b. Install upper seal (39) on pivot arm and press

(35). Tighten nut (7) to hold tie rod in position. Install

remaining tie rod in same manner. h. Rotate pivot arm

upper bearing cone (40) on pivot arm against shoulder.

(34) back and forth several times. Check rotating torque

Refer to L010-3930-631-12 and fill seal and bearing

in bearings. A torque of 15-25 pound feet (2. 0-3. 4 m-

cone with proper grease.

c. Install pivot arm with assembled bearing in

kg) should be required to rotate pivot arm in either

direction.

center of axle assembly. Pack lower bearing cone (37)

i. If rotating torque is less than 15 pound feet (2. 0

with grease and install in axle. Fill seal (36) with grease

m-kg) tighten nut an additional 5 pound feet (. 690 m-kg)

and install in axle.

d. Install shoulder washer (33) in axle. Using a

as in step d. above.

j. If rotating torque exceeds 25 pound feet (3. 4

new nut (32) tighten washer against bearing cone with a

m-kg) loosen nut one full turn. Strike end of pivot arm at

torque wrench until cone begins to seat. Check torque

nut with a soft headed mallet to unseat bearings.

as bearing begins to seat. Continue to tighten nut until

k. Repeat step d. and steps i. and J. as

torque is 15-25 pound feet (2. 0- 3. 4 m-kg) greater

necessary to provide correct rotating torque. Stake nut

than when bearing began to seat.

e. Install roller bearings (31) in axle.

Install

as shown on figure 3-3 after proper torque is obtained.

l. Install all lubrication fittings, bearings (19) and

spindles (28 and 29) and plastic washers (30) in axle and

adjusting screws that were removed during disassembly.

install king pins (27) through bearings and spindles.

Aline king pin hole with hole in spindle and drive spring

3-6. Installation

pins (25) through spindle and king pin.

a. Refer to 2-9 and install steering axle.

f. Install expansion plugs (26) and stake in place.

b. Refer to L010-3930-631-12 and grease steering

g. Install spring (9) and seat (8) in tie rod tube (10).

axle.

Loosely install nut (7). Install tube and jam nut (6) on tie

c. Refer to TM10-3930-631-12 and adjust steering

rod end (2). Install tie rod end through spindle and

axle, tie rods, and steering cylinder.

connect tie rod to ball stud

Section II. DRIVE AXLE

axle housing. A carrier assembly and a case assembly

3-7. Description

compose the differential.

The carrier assembly is

The drive axle consists of a differential assembly, two

mounted at the center of the drive axle and supports the

axle shafts and two spindles (fig. 3-4). The axle shafts

case assembly which comprises the differential gears. A

connect the differential assembly (first reduction) and the

drive motor mounted and connected to the differential

ring gear (second reduction) in the drive wheel. Drive

carrier provides motive force for the axle.

spindles support the wheels, with the wheels rotating

around the spindles. The spindles are mounted on the

3-4