TM 5-3810-306-20
TABLE 3-1. ORGANIZATIONAL TROUBLESHOOTING (CONTD)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
49. ERRATIC OPERATION OF RETRACTING TELESCOPING CYLINDER
Step 1.
Defective hydraulic relief valve.
a. Check relief valve adjustment. (Refer to page 16-54.)
If OK, do step 2.)
b. Contact Direct Support Maintenance to replace relief
valve.
Step 2.
Air in telescope cylinder.
a. Bleed air from hydraulic system. (Refer to page
16-52.)
Step 3.
Defective check valve within holding valve.
a. Contact Direct Support Maintenance.
Step 4.
Worn boom wear pads.
a. Contact Direct Support Maintenance to replace boom
wear pads.
b. Lubricate boom. (Refer to LO 5-3810-306-14.)
Step 5.
Defective telescope cylinder or bent boom.
a. Contact Direct Support Maintenance.
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