Section XVII. STEERING SYSTEM - TM-10-3930-630-120094

TM 10-3930-630-12

(2) Slide clamp (10) on tail pipe (12) and

(4) Remove washer (7) and nut (8) and

install tail pipe and clamp (11) on muffler. Secure

disconnect clamp (10) from support (9).

clamp (10) to support (9) with screw (5), lock washer (6),

(5) Loosen clamp (11) and remove tail pipe

washer (7) and nut (8). Tighten clamp (11) to secure tail

screw (5), lock washer (6), (12) from muffler and truck.

pipe to muffler.

Remove clamp (10) from tail pipe.

(3) Slide clamp (2) and exhaust pipe (3) on

(6) Remove screws (13), nuts (14) and washers

muffle inlet. Position exhaust pipe on manifold, using a

(15) and remove muffler (17) from frame. Remove

new gasket (4). Secure pipe to manifold with nuts (1).

grommets (16) from muffler

c. Installation.

Tighten clamp (2).

(4) Operate engine and check exhaust system

(1) Install grommets (16, fig. 4-55) in muffler

for leaks. Shutoff engine.

(17). Install muffler on frame and secure with screws

(5) Close side panels and lower seat into

(13), nuts (14) and washers (15).

position.

Section XVII. STEERING SYSTEM

4-73.

General

b. Toe-In.

(1) Raise the rear end of the truck so that the

steer wheels clear the floor. Use suitable blocking under

The power steering system consists basically of the

truck to hold in this position. Block front

steering wheel, steering valve, steering cylinder,

wheels to prevent movement.

steering axle and wheels. The steering axle is mounted

(2) Remove floor and toe plates.

at the rear of the truck. Hydraulic pressure for the

(3) Operate truck and, sitting in operator's

system is supplied by the hydraulic pump. Rotation of

seat, turn wheels to bring them into position parallel with

the steering wheel operates the steering valve, sending

frame. Shut off truck engine

hydraulic pressure to the steering cylinder. Movement

(4) Measure distance between centers of

of the cylinder rod rotates a pivot arm on the axle. Two

wheel treads at the rear of the tires and the frame and

tie rods connected to the pivot arm are attached to the

then at the front of the tires and the frame.

wheel spindles As the arm rotates, the spindles are

(5) If the measurements are the same, no

pulled or pushed in the direction of the turn, turning the

adjustment is required. If measurements are unequal,

wheels.

adjust the tie rods.

4-74.

Steering Adjustments

(6) Remove cotter pin (12, fig. 4-56) and nut

(11). Remove boot (10) and tap ball socket (9) from

a. General. Adjustments required consist of wheel

wheel spindle.

toe-in, drag link and spindle stops.

Figure 4-56. Tie rod, exploded view

4-66