TM 10-3950-672-10
Table 6-1. Operator Troubleshooting (continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 4.
Hydraulic system failure.
a.
Contact Organizational Maintenance.
35.
BOOM WILL NOT RAISE OR LOWER.
Step 1.
Low hydraulic oil.
a.
Check hydraulic oil level. Refer to PMCS in Section 5. If
OK, do step 2.
b.
Service hydraulic reservoir.
Step 2.
Excessive load.
a.
Reduce load as required.
Step 3.
Hydraulic system failure.
a.
Contact Organizational Maintenance.
36.
ERRATIC OPERATION OF TELESCOPE CYLINDER.
Step 1.
Low hydraulic oil.
a.
Check hydraulic oil level. Refer to PMCS in Section 5. If
OK, do step 2.
b.
Service hydraulic reservoir.
Step 2.
Low engine rpm.
a.
Increase engine rpm.
Step 3.
Lack of lubrication on boom section.
a.
Lubricate boom sections. Refer to paragraph 6-1.5.
Step 4.
Side loading causing improper boom alignment.
a.
Reduce load. Use proper hoisting procedures.
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