TM 5-3810-306-20TABLE 3-1. ORGANIZATIONAL TROUBLESHOOTING (CONTD)MALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTION49. ERRATICOPERATIONOFRETRACTINGTELESCOPINGCYLINDERStep 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 reliefvalve.Step 2.Air in telescope cylinder.a. Bleed air from hydraulic system. (Refer to page16-52.)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 boomwear pads.b. Lubricate boom. (Refer to LO 5-3810-306-14.)Step 5.Defective telescope cylinder or bent boom.a. Contact Direct Support Maintenance.3-39
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