TM-9-2320-361-24-1

2-1/2 TON, 6X6, M44A2 SERIES TRUCKS

TECHNICAL MANUAL; FIELD AND SUSTAINMENT MAINTENANCE PART 1 OF 2

AUGUST 2006

  TM-9-2320-361-24-1 - Page 114 of 1176

TM 9-2320-361-24-1
0006 00
0006 00-18
MECHANICAL SYSTEMS TROUBLESHOOTING - UNIT (Contd)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2. STEERING WHEEL HARD
TO TURN (Contd)
2. Inspect steering knuckles for
binding. Raise front wheels off
ground. Disconnect drag link at
pitman arm (WP 0191 00 and
WP 0195 00). Turn wheels to
determine binding.
3. Inspect springs for looseness.
4. Check front tires for proper
inflation.
5. Check for improper toe-in
adjustment.
If binding, replace steering
knuckles (WP 0150 00).
If loose, tighten U-bolts
190–230 lb-ft (258–312 N
m).
Adjust tire pressure as necessary
(TM 9-2320-361-10).
Adjust toe-in if necessary
(WP 0190 00).
3. VEHICLE WANDERS OR
PULLS TO ONE SIDE
1. Check front tires for proper
inflation.
2. Check front tires for uneven tire
wear. If tire wear is evident,
check toe-in.
3. Check for dragging brakes. Raise
front wheels off ground. Spin
wheels by hand. Wheels should
turn with slight drag when
properly adjusted.
4. Check wheel bearings for proper
adjustment and damage. Raise
wheel off ground. Use prybar to
check for excessive play.
5. Check steering gear for loose
mounting screws.
6. Inspect pitman arm, drag link,
steering arm, and tie-rod ends
for looseness or damage.
7. Inspect steering knuckles for
binding. Raise front wheels off
ground. Disconnect drag link at
pitman arm (WP 0191 00 and
WP 0195 00). Turn wheels to
determine binding.
8. Inspect front springs and
shackles for looseness.
Adjust tire pressure as necessary
(TM 9-2320-361-10).
Adjust toe-in if necessary
(WP 0190 00).
If brakes require adjustment, refer
to WP 0168 00.
1. Adjust wheel bearings
(WP 0189 00).
2. If damaged, replace wheel
bearings (WP 0187 00 or
WP 0188 00).
If mounting screws are loose,
tighten 62–68 lb-ft (84–92 N
m).
1. Replace loose or damaged parts
and reset correct toe-in
(WP 0190 00, WP 0191 00,
WP 0194 00, and WP 0195 00).
2. If steering arm is damaged,
replace steering arm
(WP 0150 00).
If binding or looseness is found,
replace steering knuckles
(WP 0150 00).
Replace worn shackles
(WP 0154 00) or tighten loose
spring U-bolts 190–230 lb-ft
(258–312 N
m).
Table 13. Steering Troubleshooting Procedures (Contd).


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