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 53 of 495
TM 9-2350-238-20- 2
Troubleshootin g
Procedur e
Pag e
Filter bypass indicator is not operating when level wind circuits ar e
operating normally . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-1 6
Filter bypass indicator is off when level wind circuits are not operating . . . . . .
2-1 6
Filter bypass indicator stays on when level wind circuits are operatin g
normally . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-1 7
Flasher indicator lamp is not operating when cab signal flasher headlight is on . . .
2-1 8
Level wind does not traverse cab when MASTER and LEVEL WIND switches ar e
ON and filter bypass indicator light is on . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17
Level wind traverses cab in only one direction . . . . . . . . . . . . . . . . . . . . . . . . . .
2-1 7
Only one floodlight is operating when MASTER and FLOODLIGHTS switches ar e
ON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17
Utility outlet does not operate when both dome lights are on and MASTE R
switch is ON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-18
Utility outlet is not operating and cab flasher headlight and dome lights are of f
when MASTER switch is ON and dome light switches are on . . . . . . . . . . . . .
2-1 8
Vehicular intercommunication system operates intermittently when there is n o
outside interference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-1 6
Table 2-3. UNIT TROUBLESHOOTIN G
MALFUNCTIO N
TEST OR INSPECTIO N
CORRECTIVE ACTIO N
1 .
2 .
BOOM AND WINCH INSTALLATIO N
TOW WINCH DOES NOT OPERAT E
LOWERS NORMALLY .
Step 1 .
Chec k
Step
2 .
Chec k
Step 3 .
Chec k
for broken o r
WHEN CAB TRAVERSES AND BOOM RAISES AN D
jammed control lever or shift linkage .
If damaged or jammed, notify direct support maintenance .
for damaged hydraulic brake cylinder to valve tube .
Replace damaged hydraulic brake cylinder to valve tube, refer t o
page 2-187 .
for damaged or jammed hydraulic winch motor, control cylinder o r
shift mechanism .
If damaged or jammed, notify direct support maintenance .
TOW WINCH REELS IN, BUT WILL NOT PAY OUT, OR WINCH PAYS OUT, BUT WIL L
NOT REEL IN .
Check for leaking counterbalance valve .
If counterbalanc e
maintenance .
valve is leaking, notify direct suppor t
2-1 3
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