Section XI. MAINTENANCE OF STEERING SYSTEM

b. Removal of Rear Wheel Assembly (fig. 4-10).

hardware.

Replace worn or damaged seals and

bearings in rear wheel assembly. Replace damaged or

(1) Remove the six wheel bolts and pull

defective wheels as necessary.

wheel from hub.

e. Installation. Installation is the reverse of

(2) Remove the four screws and hub cover.

removal. Lubricate bearings before installation. Torque

(3) Remove the cotter pin.

(lubricated) wheel nuts to 130 ft-lbs.

(4) Unscrew the slotted nut.

f. Adjustment (fig. 4-10).

(5) Remove the washer and outer roller

bearing.

(1 Torque steering axle spindle nut 16) to

(6) Remove the hub.

approximately 120 foot pounds then back up

(7) Remove the inner roller bearing, and

counterclockwise to nearest cotter pin slot

seal.

(2)

Wheel must turn freely without

c. Removal of Front Wheel.

noticeable binding in wheel bearings.

(1) Remove the 12 nuts, washers and

(3) If binding is observed, back off nut (6)

dowels.

one more cotter pin slot and install cotter pin.

(2) Pull wheel from hub.

NOTE

d. Cleaning and Inspection.

Procedures for adjustment of drive

(1)

Clean all parts with an approved

wheel bearings are the same except

cleaning solvent (Federal Specification P-D-680) and dry

for

the

torque.

which

thoroughly.

approximately 150) foot pounds.

(2) Inspect for cracks, breaks, loose or

4-38. Tires

missing hardware, damaged seals or bearings, or other

Inspect the tires for cracks, tears, wear, imbedded

defects.

objects, or other defects. Remove imbedded objects.

(3) Tighten or replace loose or missing

Report other defects to next higher level of maintenance.

Section XI. MAINTENANCE OF STEERING SYSTEM

the total free movement of the steering wheel is three

4-39. General

inches or more, adjust the play in the steering gear

The steering system consists of the steering wheel

assembly so that the steering wheel has a total free

steering gear assembly, drag link, bell crank and

movement of two inches.

housing, and tie rod assemblies.

(b) Adjust the play in the steering gear

4-40. Steering System

assembly by loosening the locknut (7) and, with a screw

a. Removal of Steering Wheel (fig. 2-1).

driver, adjust the position of the sector gear, by turning

(1) Remove the four screws and lift horn

the adjusting screw. After setting the adjusting screw,

button from wheel.

lock it by tightening the nut (7).

(2) Remove nut and lift wheel from steering

c. Cleaning and Inspection.

column.

(1) Wipe with clean cloth dampened with

b. Service and Adjustment.

an approved solvent (Federal Specification P-D-680) and

(1) Lubricate in accordance with Army

dry thoroughly.

Lubrication Order LO 10-3930-625-12.

(2) Inspect for breaks, cracks, nicks, worn

(2) Remove plug and add oil to steering

or damaged threads or splines, or other defects.

gear assembly as required (see fig. 2-1).

(3) Replace a damaged steering wheel.

(3) Adjust play in steering gear fig. 4-14).

d. Installation. Installation is the reverse of

(a) The total play in the steering gear

removal. Torque steering wheel nut to 40-to-50 ft-lbs.

assembly should be not less than that indicated by a two-

inch total free movement of. the steering wheel. When

Section XII. MAINTENANCE OF HYDRAULIC SYSTEM

a. Inspect the hydraulic pump (fig. 4-11) for oil leakage,

4-41. General

breaks, cracks, dents, loose or missing hardware, or

The hydraulic system consists of an electric motor,

other defects.

hydraulic pump, directional control valve, lift cylinder, tilt

b. Wipe with a clean cloth dampened with an

cylinders, hydraulic hoses and lines and the hydraulic

approved cleaning solvent (Federal Specification P-D-

fluid reservoir.

680).

4-42. Hydraulic Pump

4-20