TM 5-3810-306-34
TABLE 3-1. DIRECT AND GENERAL SUPPORT TROUBLESHOOTING (CONTD)
Malfunction
Test or Inspection
Corrective Action
52.
TELESCOPE CYLINDER WILL NOT RETRACT
Step 1. Broken hydraulic pump coupling.
a.
Inspect hydraulic pump coupling. If OK, do Step 2.
b.
Replace broken hydraulic pump coupling. (Refer to page 13-10.)
Step 2. Defective hydraulic pump.
a.
Repair or replace pump section. (Refer to page 13-12.)
Step 3. Bent boom section.
a.
Inspect boom. If OK, do Step 4.
b.
Replace damaged boom section. (Refer to page 15-8.)
Step 4. Defective telescope cylinder.
a.
Repair or replace cylinder. (Refer to page 13-108.)
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