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 246 of 985

TM

9-2320-279-20-1

Troubleshooting Malfunctions (Cont)

Table 2-9. Troubleshooting (Cont)

Malfunction

Test or Inspection

Corrective Action

Step 7.

Remove hydraulic hose from tee connection, place hose end in suitable container. Start en-

gine, engage PTO switch.

If hydraulic oil discharges into container, go to step 8.

If no oil discharges, go to step 9.

Step 8.

Remove tee and check for clogged filter.

Clean if required. If PTO still does not work, replace PTO (para 17-28) (M984El:

para 17-28.1).

Step 9.

Remove transmission hydraulic line from PTO solenoid. Place hose in suitable container.

Start engine.

If oil discharges, replace solenoid (para 17-30).

If oil does not discharge, notify the supervisor.

Change 3

2-154.1