STEERING SYSTEM ADJUSTMENT - TM-10-3930-647-14-P0099

can now continue with the step-by-step proce-

dures.

1. Check and adjust the tilt cylinder

rods to eliminate upright racking. Torque ti1t

cylinder yoke nuts 80 to 90 lbs./ft.

2. Torque the frame-to-axle adaptor bolts

It is necessary to remove

to 620-730 lbs./f t.

the wheels on pneumatic tire machines.

WARNINC

DEFLATE TIRES BEFORE REMOVING FROM MACH I NE.

AFTER RAISING MACHINE AND BEFORE MAKING ANY

ADJUSTMENTS OR ADJUSTMENT CHECKS, PLACE ADE-

QUATE (HEAVY) BLOCKING (SUFFICIENT TO SUPPORT

THE WEIGHT OF THE MACHINE) UNDER THE FRAME....

NOT UNDER THE COUNTERWEIGHT....TO PREVENT ACCI-

#10978 Typical Frame-To-Axle

DENTAL LOWERING OR FALLING OF THE VEHICLE, THUS

Adapter Bolts

PREVENTING PERSONAL INJURY TO MECHANIC OR BY-

STEERING SYSTEM ADJUSTMENT:

STANDERS.

NOTE

In making power steering adjustments, we are

out to acomplish these basic things:

Torque the center capscrew first; then, torque

the top capscrew....then, torque the bottom cap-

(a) To torque all

i terns which have a

screw. Recheck torque, again starting with the

bearing on steering.

center capscrew.

(b) To eliminate end play and free play of

the hand wheel.

man arm with the steer wheel s straight.

( d ) To eliminate any steering linkage

looseness caused by wear or misadjustment.

(e) To set the pitman arm stops so that

the power steering pump will operate at its minimum

pressure when steer wheels are turned full right

a n d full left . . ..with steer wheels off the ground.

The following procedures will I achieve these

They are laid out to enable you to

objectives.

do a thorough job, and at the same time, do it

e f f i c i e n t l y and fast . . , .without jumping around

or backtracking. Thus, it will pay you to follow

the steps in the order given. It is also import-

ant to remember that incorrect power steering

adjustments can shorten the life of various

steering system components.

Before starting any adjustment, strip the

truck down to a point where you can get at the con-

ponents . This includes: Removing the side hoods,

removing the floor board, and removing the entire

seat assembly.

With these operations out of the way, we

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