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 299 of 985

TM 9-2320-279-20-1
Troubleshooting Malfunctions (Cont)
Table 2-9. Troubleshooting (Cont)
Malfunction
Test or Inspection
Corrective Action
MATERIAL HANDLING CRANE (M977, M985, M984E1) (CONT)
10. REMOTE CONTROLLER WILL NOT OPERATE CRANE OR OPERATES ABNORMALLY
(CONT).
If meter shows infinite ohms in one control function, check for broken wires in
controller (para 17-23). Repair broken wires (figs. 2-9 and 2-10).
If problem remains, replace defective controller (para 17-23).
Figure 2-9. Remote Controller Electrical Schematic (M977, M985, M984E1).
2-206


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