Section XII. AXLE ASSEMBLIES

TM 10-3930-628-12

Section XII. AXLE ASSEMBLIES

c. The level plug is located at the right front of

4-43.

General

the axle housing. Remove plug and check level of

a. The front or driving axle is connected to the

lubricant. Oil should be to level of plug hole. Add

drive motor shaft. The shaft drives the differential in the

lubricant as required. Install plug.

center of the axle. Torque is transmitted to the axles or

d. The drain plug is located at the bottom of

jackshafts. The pinion on the axle is meshed with a ring

the differential housing Remove level plug. Place a

or bull gear in the wheel assembly. Rotation of the axles

suitable container beneath axle, remove plug, and drain

rotates the wheels providing motive power from the

lubricant. Install plug and tighten securely. Fill differential

truck.

through level plug opening to level of hole. Install level

b. The rear or steering axle is mounted on

plug.

brackets at the front and rear. The spindles pivot on king

e. Lubrication of axle pinion and ring and bull

pins and are actuated by tie rods extending from a pivot

gear is accomplished by removing the front wheel. Refer

arm mounted at the center of the axle. A steering gear,

to paragraph 4-39 and remove the front wheels. Clean

controlled by the steering wheel, rotates the pivot arm,

the pinion and ring gears with solvent and dry thoroughly

through the drag link, in the direction required to turn the

with compressed air. Lubricate gears sparingly with

wheels.

grease (GAA). Install front wheels. Check bull gear

c. The following paragraphs describe service

mounting screws for tightness. Tighten if necessary.

functions allocated to organizational maintenance for the

4-45. Rear Axle

axles.

a. The rear, or steering axle, requires very

4-44. Front Axle

little service. Lubricate according to the lubrication 3rder.

a. Service points on the front axle include the

b. Check tie rods, axle, and drag link for dam

breather and drain and level plugs.

age.

b. The breather is located on the right top of

c. Check steering action and adjust if

the differential housing. Remove breather and clean with

necessary (para 4-42).

cleaning compound, solvent (Fed. Spec. P-D- 680) and

dry thoroughly. Install breather and tighten securely.

Section XIII. FRAME COMPONENTS

(2) Remove screws securing overhead guard

4-46. Battery Compartment Cover and Side

to counterweight.

Panels

(3) Remove overhlad guard. Use a hoist, if

a. General. The battery compartment cover is

necessary.

hinged at the rear and in the center. Lift cover up and to

b. Installation.

rear to gain access to battery compartment.

(1) Carefully lift overhead guard into place on

b. Removal.

truck.

(1) Remove screws securing cover rear hinge

(2) Secure overhead guard to front and

to rear plate.

counterweight with screws and nuts.

(2) Remove cover from truck.

4-48. Operator's Seat

(3) Lift side panels from truck.

a. Removal.

c. Inspection and Repair.

(1) Refer to paragraph 4-23 and remove stop

(1) Check covers, hinges and panels for

and taillight from rear of seat.

damage.

(2) Remove four self-locking nuts and bumpers

(2) Straighten bent covers, hinges and panels,

securing seat to seat plate and remove seat.

if possible.

b. Disassembly.

d. Installation.

(1) Remove seat cushion from lower part of

(1) Install side panels on truck.

seat.

(2) Install battery compartment cover and

(2) Remove four screws and lock washers

secure hinge to rear plate.

securing backrest cushion to seat frame and remove

1-47. Overhead Guard

backrest.

a. Removal.

(1) Remove four screws securing overhead

guard to front corners of truck.

4-27