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TM 9-2320-270-10
Troubleshooting Symptom Index
TROUBLESHOOTING
MALFUNCTION
PROCEDURE
PAGE
AIR SYSTEM AND BRAKES
Air Pressure loss during operation. . . . . . . . . . . . . . . . . . . . . . . . . . .
Low air pressure (warning light and buzzer on) . . . . . . . . . . . . . . . . . .
Semitrailer brakes will not apply . . . . . . . . . . . . . . . . . . . . . . . . . . .
Semitrailer brakes will not release . . . . . . . . . . . . . . . . . . . . . . . . . . .
DRIVELINE LOCKING SYSTEM
Driveline does not disengage (indicator light stays on) . . . . . . . . . . . . .
ELECTRICAL
Oneormore light systems will network . . . . . . . . . . . . . . . . . . . . . .
ENGINE
Engine cranks but fails to start . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Engine does notdevelop full power. . . . . . . . . . . . . . . . . . . . . . . . . .
Engine fails to crank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Engine overheats (WATER TEMP Gage over 200° F (93°C) . . . . . . . . . .
Engine starts but misfires or runs roughly after warmup. . . . . . . . . . . .
Engine does not idle properly . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Excessive exhaust smoke (at normal operating temperature) . . . . . . . . .
High oil consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Low or no oil pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MAIN TRANSMISSION
Foamy oil on dipstick . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Oil leaking from transmission breather. . . . . . . . . . . . . . . . . . . . . . . .
Sloworerratic automatic shifting. . . . . . . . . . . . . . . . . . . . . . . . . . .
Transmission oil overheats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PTO
PTOwill not engage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PTO/Auxiliary throttle indicator Iight stays on (PTO control
in disengage position). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-27
3-24
3-29
3-30
3-32
3-16
3-6
3-12
3-4
3-10
3-8
3-9
3-14
3-14
3-13
3-17
3-18
3-20
3-18
3-41
3-42
3-2
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