TM-9-2350-238-20-1

HULL AND RELATED COMPONENTS RECOVERY VEHICLE, FULL TRACKED: LIGHT, ARMORED, M578

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL

MAY 1994

TM-9-2350-238-20-1 - Page 98 of 1364

TM 9-2350-238-20-1

2-11. TROUBLESHOOTING INFORMATION (CONT).

Table 2-3. UNIT TROUBLESHOOTING (CONT)

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

56.

57.

58.

59.

60.

INSTRUMENT (SWITCH) PANEL LIGHT IS OFF AND ALL OTHER LIGHTING SYSTEMS

OPERATE NORMALLY.

Troubleshoot instrument (switch) panel light circuit. Refer to Electrical Circuit Symptom

Index, page 2-92.

ELECTRICAL—DRIVER’S COMPARTMENT DOME LIGHT

BOTH RED AND WHITE LAMPS ARE NOT OPERATING NORMALLY, OR EITHER RED OR

WHITE LAMP IS NOT OPERATING NORMALLY.

Troubleshoot driver’s compartment dome light circuit. Refer to Electrical Circuit Symptom

Index, page 2-92.

ELECTRICAL—UTILITY OUTLET

UTILITY OUTLET DOES NOT PROVIDE POWER FOR AUXILIARY EQUIPMENT.

Troubleshoot utility outlet circuit. Refer to Electrical Circuit Symptom Index, page 2-92.

ELECTRICAL—MAGNETIC CLUTCH AND BYPASS SOLENOID CIRCUIT

CLUTCH ENGAGED INDICATOR LIGHT IS OFF WHEN ENGINE SPEED IS 1350 RPM,

VEHICLE HYDRAULIC SYSTEM IS OPERATING, AND MASTER AND HYD PUMP/PTO

CLUTCH SWITCHES ARE ON.

Troubleshoot magnetic clutch and bypass solenoid circuit. Refer to Electrical Circuit

Symptom Index, page 2-92.

ELECTRICAL—MAGNETIC CLUTCH AND BYPASS SOLENOID VALVE CIRCUIT

VEHICLE HYDRAULIC SYSTEM DOES NOT OPERATE, ENGINE SPEED WILL NOT HOLD

AT 1350 RPM, AND CLUTCH ENGAGED INDICATOR LIGHT IS OFF WHILE MASTER AND

HYD PUMP/PTO CLUTCH SWITCHES ARE ON.

Step 1.

Check magnetic clutch and bypass solenoid valve ground leads for bad

connections.

Clean ground connections with crocus cloth (item 10, appx C). Tighten

ground connections.

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