TM 5-3810-306-34
TABLE 3-1. DIRECT AND GENERAL SUPPORT TROUBLESHOOTING (CONTD)
Malfunction
Test or Inspection
Corrective Action
50.
ERRATIC OPERATION OF RETRACTING TELESCOPING CYLINDER
Step 1. Worn boom wear pads.
a.
Step 2. Distorted boom section.
a.
Inspect boom. If OK, do Step 3.
b.
Step 3. Defective telescope cylinder.
a.
51.
TELESCOPE CYLINDER WILL NOT EXTEND
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.
Step 3. Bent boom section.
a.
Inspect boom. If OK, do Step 4.
b.
Step 4. Defective telescope cylinder.
a.
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