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 55 of 495
TM 9-2350-238-20- 2
Table 2-3. UNIT TROUBLESHOOTING (CONT )
MALFUNCTIO N
TEST OR INSPECTIO N
CORRECTIVE ACTIO N
7 .
8 .
9 .
10 .
11 .
Step
2 .
Check for damaged lines and hoses .
Replace damaged hydraulic lines or fittings, refer to page 2-183 .
BOOM WINCH SPEED CANNOT BE SHIFTED .
Check for sticking shift mechanism. Attempt to free mechanism by lightly tappin g
shift control handle to engage splines .
If shift mechanism will not engage, notify direct suppor t
maintenance .
BOOM WINCH IS SLOW WHEN REELING IN WHEN ALL OTHER OPERATIONS AR E
NORMAL .
Notify direct support maintenance to adjust relief valve .
LEVEL WIND ASSEMBLY DOES NOT CENTER ITSELF .
Step 1 .
Clean cable level guide, refer to page 2-75 .
Adjust level wind, refer to TM 9-2350-238-10 .
Step 2 .
Check for broken or distorted level wind slide spring .
If damaged, notify direct support maintenance .
LEVEL WIND DOES NOT TRAVERSE CAB IN EITHER DIRECTION .
Troubleshoot level wind circuit, refer to Electrical Circuit Symptom Index, pag e
2-19 .
CAB FILTER INSTALLATIO N
CAB AIR PURIFIER UNIT DOES NOT OPERATE .
Step 7 .
Check motor ground for bad connection .
Clean ground connections with crocus cloth (item 6, appx C) .
Make sure ground connections are tight .
Step 2 .
Troubleshoot cab air purifier unit .
a.
Refer to Electrical Circuit Symptom Index, page 2-19 .
b. If cab air purifier unit still does not operate, notify direct sup-
port maintenance .
2-1 5
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