TM 5-3810-306-20TABLE 3-1. ORGANIZATIONAL TROUBLESHOOTING (CONTD)MALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTION53. HOIST WILL NOT LOWER LOADStep 1.Broken hydraulic lines or fittings.a. Inspect hydraulic lines and fittings. If OK, do Step2.b. Replace hydraulic lines or fittings. (Refer to page16-26.)Step 2.Defective main hydraulic relief valve.a. Check relief valve adjustment. (Refer to page16-54.) If OK, do Step 3.b. Contact Direction Support Maintenance to replacehydraulic relief valve.Step 3.Defective hoist motor control valve.a. Contact Direct Support Maintenance.54. SLOW HOIST OPERATION DOWNStep 1.Defective main hydraulic relief valve.a. Check relief valve adjustment. (Refer to page 16-54.)If OK, do Step 2.b. Contact Direct Support Maintenance to replacehydraulic relief valve.Step 2.Defective hydraulic pump.a. Contact Direct Support Maintenance.3-43
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