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 276 of 985

TM 9-2320-279 -20-

Troubleshooting Malfunctions (Cent)

Table 2-9. Troubleshooting (Cent)

Vlalfunction

Test or Inspection

Corrective Action

HEAVY-DUTY WINCH (CONT)

1.1.

WINCH CABLE WILL NOT PAY OUT (M984E1 ) (CONT).

Step 5. Set fail-safe switch to ON position. Engage winch OUT. Check resistance between terminals

B and D.

If resistance is more than 15 ohms, replace remote controller.

Step 6. Disconnect connector from fail-safe valve on heavy-duty winch forward manual control,

Set all electrical switches for remote operation (TM 9-2320-279-10). Check resistance of

wire 854 from contact 2 on fail-safe valve connector to pin C at electrical control box.

If resistance is more than zero ohms, repair wire 854 or replace fail-safe valve

connector.

2-183

.

b