TM-9-2320-279-20-1

M977 SERIES, 8x8 HEAVY EXPANDED MOBILITY TACTICAL TRUCKS (HEMTT)

TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; ORGANIZATIONAL MAINTENANCE, VOLUME 1 OF 3

TM-9-2320-279-20-1 - Page 349 of 985

TM 9-2320-279-20-1

Troubleshooting Malfunctions (Cent)

2-13. TROUBLESHOOTING INSTRUCTIONS (CONT).

Table 2-9. Troubleshooting (Cent)

Malfunction

Test or inspection

Corrective Action

5.

ARCTiC HEATER KiT (CONT)

CiRCUiT BREAKER OPENS.

Step 1.

Step

2,

Step

3.

Step

4.

Check arctic heater kit installation for damaged or loose wiring. Remove heater compartment

cover (para 20-2).

Tighten loose connections, repair or repiace damaged wiring.

Check for defective arctic heater starter cable. Test resistance between each end of cable wires,

If any wire tested shows more than zero ohms, replace cable.

Replace circuit breaker No. 4 (para 7-43). Restart arctic heater.

If circuit breaker opens, replaee arctic heater. ,

If problem has not been solved, notify the supervisor.

Aii data on pages 2-257 thru 2-269 has been deieted.

2-256

Change 2