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 57 of 495
TM 9-2350-238-20- 2
Table 2-3. UNIT TROUBLESHOOTING (CONT )
MALFUNCTIO N
TEST OR INSPECTIO N
CORRECTIVE ACTIO N
16 .
17 .
18 .
19 .
20 .
FILTER BYPASS INDICATOR STAYS ON WHEN LEVEL WIND CIRCUITS AR E
OPERATING NORMALLY .
Check ground lead on differential pressure switch for bad connection .
a .
Clean ground connections with crocus cloth (item 6, appx C) .
Make sure ground connections are tight .
b. Troubleshoot filter bypass indicator circuit, refer to Electrica l
Circuit Symptom Index, page 2-19 .
LEVEL WIND DOES NOT TRAVERSE CAB WHEN MASTER AND LEVEL WIND SWITCHE S
ARE ON AND FILTER BYPASS INDICATOR LIGHT IS ON .
Check solenoid pressure relief valve ground for bad connection .
a. Clean ground connections with crocus cloth (item 6, appx C) .
Make sure ground connections are tight .
b. Troubleshoot level wind circuit, refer to Electrical Circui t
Symptom Index, page 2-19 .
LEVEL WIND TRAVERSES CAB IN ONLY ONE DIRECTION .
Chec k
ONLY ON E
CHES AR E
Chec k
solenoid direction control valve ground for bad connection .
a.
Clean ground connections with crocus cloth (item 6, appx C) .
Make sure ground connections are tight .
b. Troubleshoot level wind circuit, refer to Electrical Circui t
Symptom Index, page 2-19 .
FLOODLIGHT IS OPERATING WHEN MASTER AND FLOODLIGHTS SWIT -
ON .
floodlight ground for bad connection .
a.
Clean ground connections with crocus cloth (item 6, appx C) .
Make sure ground connections are tight .
b. Troubleshoot floodlight circuit, refer to Electrical Circuit Symp -
tom Index, page 2-19 .
BOTH FLOODLIGHTS ARE NOT OPERATING WHEN MASTER AND FLOODLIGHTS SWIT -
CHES ARE ON .
Troubleshoot floodlight circuit, refer to Electrical Circuit Sympto m
Index, page 2-19 .
2-1 7
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