TM-9-2350-238-20-2
CRANE (CAB) COMPONENTS RECOVERY VEHICLE, FULL TRACKED: LIGHT,ARMORED, M578
TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL
MAY 1993
CHANGE 1
TM-9-2350-238-20-2 - Page 52 of 495
TM 9-2350-238-20- 2
Section IV. UNIT TROUBLESHOOTIN G
2-9. TROUBLESHOOTING INFORMATION .
a.
The symptom index can be used as a quick guide to troubleshooting. Common malfunc -
tions are listed in alphabetical order under each major assembly, which appear in MAC order ,
with a page number reference to the troubleshooting table where a test or inspection and correc-
tive action are provided .
b.
The unit troubleshooting table lists the malfunction, the test or inspection indicating th e
malfunction, and the necessary corrective action .
c .
If the malfunction still exists after all listed unit maintenance corrective actions have bee n
performed, notify direct support maintenance .
UNIT TROUBLESHOOTING SYMPTOM INDE X
Troubleshootin g
Procedur e
Pag e
BOOM AND WINCH INSTALLATIO N
Boom winch does not operate when cab traverses and boom raises an d
Iowers normally . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-1 4
Boom winch is slow in either direction when cab traverses and boom raises
and lowers normally . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-1 4
Boom winch is slow when reeling in when all other operations are normal . . . . .
2-1 5
Boom winch reels in, but will not pay out, or winch pays out, but wil l
not reel in . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-1 4
Boom winch speed cannot be shifted . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-1 5
Level wind assembly does not center itself . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-1 5
Level wind does not traverse cab in either direction . . . . . . . . . . . . . . . . . . . . .
2-1 5
Tow winch does not operate when cab traverses and boom raises and lowers
normally . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-1 3
Tow winch operation is slow in either direction when cab traverses and boo m
raises and lowers normally . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-1 4
Tow winch reels in, but will not pay out, or winch pays out ,
but will not reel in . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-13
CAB FILTER INSTALLATIO N
Cab air purifier unit does not operate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15
ELECTRICAL INSTALLATIO N
All circuits in cab are not operating when MASTER switch is ON . . . . . . . . . . . 2-1 6
Both floodlights are not operating when MASTER and FLOODLIGHTS switche s
are ON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-1 7
Cab signal flasher headlight and flasher indicator lamps are not operating whe n
MASTER and FLASHER SIGNAL switches are ON. . . . . . . . . . . . . . . . . . . . . . 2-18
Cab signal flasher headlight does not operate when flasher indicator lamp is o n
and MASTER and FLASHER SIGNAL switches are ON . . . . . . . . . . . . . . . . .
2-1 8
Either dome light does not operate when MASTER switch is ON . . . . . . . . . . . .
2-1 8
2-1 2
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