TM-9-2320-361-10
2-1/2-TON, 6x6, M44A2 SERIES TRUCKS (MULTIFUEL)
OPERATOR'S MANUAL
DECEMBER 1988
TM-9-2320-361-10 - Page 290 of 392
TM 9-2320-361-10
Table 3-1. Troubleshooting(Contd)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
17. INSUFFICIENT AIR PRESSURE AS INDICATED BY LOW AIR PRESSURE
WARNING BUZZER OR AIR PRESSURE GAGE.
Step 1.
Step 2.
Step 3.
Check to see if air reservoir draincocks are open.
If open, close draincocks securely. Refer to table 2-2.
Check all air lines for loose connections.
If loose, tighten.
Check towed equipment for air leaks at draincocks or air lines.
If leaking, tighten.
18. TRAILER BRAKES DO NOT FUNCTION WHEN BRAKE PEDAL IS
DEPRESSED OR HAND CONTROL LEVER IS USED (M275A2 ONLY).
Check trailer couplings.
If closed, open. If open, notify your supervisor.
19. SERVICE BRAKES DO NOT OPERATE.
Step 1. Check to see if air reservoir drain cocks are open.
If open, close draincocks securely. Refer to table 2-2.
Step 2. Check all air lines for loose connections.
If loose, tighten.
20. PARKING BRAKE DOES NOT HOLD VEHICLE.
Step 1. Check parking brake control lever position.
If partially applied, pull parking brake control lever all the way up.
Step 2. Check parking brake control lever adjustment.
Turn knob on end of lever clockwise to increase braking action.
Refer to table 2-2.
21. PARKING BRAKE DRAGS OR OVERHEATS.
Check parking brake control lever position.
If partially applied, release parking brake.
WHEELS AND TIRES
22. WHEEL WOBBLES OR SHIMMIES.
Check for loose wheel stud nuts.
If loose, tighten.
Notify your supervisor to retighten to proper torque.
23. EXCESSIVE OR UNEVEN TIRE WEAR.
Check air pressure in tires.
Inflate or deflate tires to correct air pressure, Refer to para. 3-14f.
3-9
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