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 56 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
ELECTRICAL INSTALLATIO N
12. VEHICULAR INTERCOMMUNICATION SYSTEM OPERATES INTERMITTENTLY WHE N
THERE IS NO OUTSIDE INTERFERENCE .
Check continuity between amplifier and wiring harness, line disconnects an d
driver’s control box ,
a.
b .
and wiring harness.
-
If multimeter does not indicate 0 ohms, repair wiring harness ,
refer to page 2-66 .
If multimeter indicates 0 ohms, refer to TM 11-2643 fo r
AN/U1C-1 set or TM 11-5830-340-12 for AN/V1C-1 (V) set .
13. ALL CIRCUITS IN CAB ARE NOT OPERATING WHEN MASTER SWITCH IS ON .
Check slip ring ground for bad connection .
a .
Clean ground connections with crocus cloth (item 6, appx C) .
Make sure ground connections are tight .
b. Troubleshoot slip ring circuit, refer to Electrical Circuit Symp-
tom Index, page 2-19 .
14. FILTER BYPASS INDICATOR IS OFF WHEN LEVEL WIND CIRCUITS ARE NO T
OPERATING .
Troubleshoot filter bypass indicator circuit, refer to Electrical Cir-
cuit Symptom Index, page 2-19 .
15. FILTER BYPASS INDICATOR IS NOT OPERATING WHEN LEVEL WIND CIRCUITS AR E
OPERATING NORMALLY .
Troubleshoot filter bypass indicator circuit, refer to Electrical Cir-
cuit Symptom Index, page 2-19 .
2-1 6
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