TM 5-3810-306-10
TABLE 3-1. OPERATOR TROUBLESHOOTING (CONTD)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
38. BOOM WILL NOT RAISE OR LOWER
Step 1.
Low hydraulic oil.
a. Check hydraulic oil level. If ok, do step 2.
b. Fill hydraulic reservoir. Refer to LO 5-3810-306-12.
Step 2.
Excessive load.
a. Reduce load as required. Refer to Appendix F.
Step 3.
Hydraulic system failure.
a. Contact Organizational Maintenance.
39. ERRATIC OPERATION OF TELESCOPING CYLINDER
Step 1.
Low hydraulic oil.
a. Check hydraulic oil level. If ok, do step 2.
b. Fill hydraulic reservoir. Refer to LO 5-3810-306-12.
Step 2.
Low engine rpm.
a. Increase engine rpm.
Step 3.
Lack of lubrication on boom section.
a. Lubricate boom sections. Refer to LO 5-3810-306-12.
Step 4.
Side loading causing improper boom alignment.
a. Reduce load. Refer to Appendix F. Use proper hoisting procedures.
Step 5.
Hydraulic system failure.
a. Contact Organizational Maintenance.
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