TM-5-3805-254-14-P-2

TRUCK, DUMP, 20 TON, 6X4, ON-OFF HIGHWAY 71,000 GVW, IHC MODEL F-5070 (CCE)

TECHNICAL MANUAL; OPERATOR’S, ORGANIZATIONAL, DIRECT SUPPORT, GENERAL SUPPORT AND DEPT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS INFORMATION AND SUPPLEMENTAL MAINTENANCE INSTRUCTIONS)

JUNE 1980

TM-5-3805-254-14-P-2 - Page 659 of 894

STEERING

TRUCK SERVICE MANUAL

PROBLEM

POSSIBLE CAUSE

REMEDY

10.

Wheel steering hard in one

direction

Broken reversing springs in steering

gear.

Replaces reversing springs

11.

Wheel steering hard in one or both

directions.

a.

Metal or foreign material caught in

actuating valve.

Actuating valve worn

or chipped by dirt.

b.

Bent or damaged king pins and tie

rods.

c.

Front end load too great for rated

axle capacity.

d.

Fatigued bypass valve spring in

pump.

Remove actuating valve, clean and

check parts for damage.

If damage is

excessive,

replace

with

actuating

piston and valve assembly

Repair or replace king pins and tie

rods.

Refer to servicing instructions.

Lighten load or install larger steering

gear.

Replace

with

flow

control

valve

assembly.

Refer to pump servicing

instructions.

12.

Hard steering

a. Loose belts.

b. Worn pulley(s) due to belt slippage.

c.

Improper belt

d.

Low oil level in steering system.

.

e.

Air in system.

f.

Caster and camber degree

incorrect.

Tighten or replace belts

Replace pulley(s) and belts (keep belt

tight).

Replace with IH replacement part.

Fill oil reservoir as required.

See “Lubrication.”

Bleed system and check for cause of

air.

Correct to “Specifications.”

652