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 54 of 495
TM 9-2350-238-20- 2
2-9. TROUBLESHOOTING INFORMATION (CONT) .
Table 2-3. UNIT TROUBLESHOOTING (CONT )
MALFUNCTIO N
TEST OR INSPECTIO N
CORRECTIVE ACTIO N
3 .
4 .
5 .
6 .
BOOM AND WINCH INSTALLATION (CONT )
TOW WINCH OPERATION IS SLOW IN EITHER DIRECTION WHEN CAB TRAVERSE S
AND BOOM RAISES AND LOWERS NORMALLY .
Step 1 .
Check for hydraulic leak .
Tighten all lines and fittings .
Step
2 .
Check for damaged lines and hoses .
Replace damaged hydraulic lines or hoses, refer to page 2-191 .
BOOM WINCH DOES NOT OPERATE WHEN CAB TRAVERSES AND BOOM RAISES AN D
LOWERS NORMALLY .
Step 1 .
Check for broken or jammed boom winch control valve or linkage .
If boom winch control valve or linkage is damaged, notify direc t
support maintenance .
Step 2 .
Check for damaged hydraulic brake cylinder to valve tube .
Replace damaged hydraulic brake cylinder to valve tube, refer t o
page 2-187 .
Step 3 .
Check for damaged or jammed hydraulic winch motor, control cylinder, o r
shift mechanism .
If damaged or jammed, notify direct support maintenance .
BOOM WINCH REELS IN, BUT WILL NOT PAY OUT, OR WINCH PAYS OUT, BUT WIL L
NOT REEL IN.
Check for leaking counterbalance valve .
If counterbalance valve is leaking, notify direct suppor t
maintenance .
BOOM WINCH IS SLOW IN EITHER DIRECTION WHEN CAB TRAVERSES AND BOO M
RAISES AND LOWERS NORMALLY .
Step 1 .
Check for hydraulic leaks .
Tighten all lines and fittings .
2-1 4
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