TM-9-2320-279-10-2

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

OPERATOR’S MANUAL VOLUME 2 OF 2

DECEMBER 1998

CHANGE 3

TM-9-2320-279-10-2 - Page 763 of 819

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TM 9-2320-279-10-2

Troubleshooting Malfunctions (Cont)

Table 3-4. Troubleshooting (Cont)

Malfunction

Test or Inspection

Corrective Action

MATERIAL HANDLING CRANE (M984E1)

NOTE

●

Common problems that crane operators may see are:

1. Slow or abnormal operation.

2. Crane will not pickup load.

●

Common causes of the problem are:

1. Cold hydraulic oil (slow operation).

2. Low engine speed (slow or abnormal operation).

3. Operating two crane functions at same time (slow

operation).

4. Load too heavy (will not pick up load).

5. Air in cylinders or hoist motor (abnormal operation).

●

Report all problems to organizational maintenance.

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