TM-9-2320-285-24-1
TRUCK TRACTOR, YARD TYPE, 43,500 LB GVW, DED, 4X2, ARMY MODEL M878A1
TECHNICAL MANUAL; ORGANIZATIONAL, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL
OCTOBER 1985
TM-9-2320-285-24-1 - Page 669 of 987
TM 9-2320-285-24-1
2-55. WHEELS AND TIRES TROUBLESHOOTING (CONT)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2.
NOISY OR BUMPING SOUND WHILE TRAVELING (Cont)
Step 8. Check front and rear axle brakes for loose, missing, or damaged parts.
a.
If parts are loose, missing, or damaged, replace (para 2-50a for front axle brakes; para 2-50b for
rear axle brakes).
b.
If parts are not loose, missing, or damaged, go to step 9 below.
Step 9. Disassemble tire from wheel and check for damage due to foreign material (para 2-57).
a.
Remove foreign material; replace tire if damaged (para 2-57).
b.
If tire is not damaged, notify direct support maintenance.
2-56. STEERING SYSTEM TROUBLESHOOTING
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1.
TRACTOR WANDERS OVER ROAD
Check if air pressure in each tire is 120 psi.
a.
If air pressure is not 120 psi, adjust tire pressure.
b.
If air pressure is 120 psi, notify direct support maintenance.
2.
NO RECOVERY
Check if air pressure in each tire is 120 psi.
a.
If air pressure is not 120 psi, adjust tire pressure.
b.
If air pressure is 120 psi, notify direct support maintenance.
3.
SHIMMY
Check power steering hoses, lines and fittings for leaks.
a. If hoses, lines or fittings are leaking, replace (para 2-58b).
b. If leaks are not seen, refer to para 2-39, Malfunction 2.
2-646
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