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:
q
1. Slow or abnormal operation.
2. Crane will not pickup load.
Common causes of the problem are:
q
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.
q
3-10
