TABLE 3-1. ORGANIZATIONAL TROUBLESHOOTING - cont

TABLE 3-1. ORGANIZATIONAL TROUBLESHOOTING - cont - TM-5-3810-306-20_102

TABLE 3-1. ORGANIZATIONAL TROUBLESHOOTING - cont - TM-5-3810-306-20_104

TM-5-3810-306-20 Container Crane 40-Ton Rough Terrain Model RTB75CC Manual
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TM 5-3810-306-20 TABLE 3-1. ORGANIZATIONAL TROUBLESHOOTING (CONTD) MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION Step 3. Restriction in hydraulic return hose. a. Remove and check hose for obstruction. If OK, do Step 4. b. Replace hydraulic return hose. (Refer to pages 16-38 and 16-40.) Step 4. Defective hydraulic cylinder or hydraulic pump. a. Contact Direct Support Maintenance. 45. BOOM LOWERS SLOWLY Step 1. Defective main hydraulic relief valve. a. Check main hydraulic relief valve adjustment. (Refer to page 16-54.) If OK, do Step 2. b. Contact Direct Support Maintenance to replace main hydraulic relief valve. Step 2. Control valve linkage out of adjustment. a. Check valve linkage adjustment. If OK, do Step 3. b. Adjust linkage to obtain full control valve spool travel. (Refer to page 16-2.) Step 3. Restriction in hydraulic return hose. a. Remove and check hose for obstruction. If OK, do Step 4. b. Replace hydraulic return hose. (Refer to pages 16-38 and 16-40.) Step 4. Defective hydraulic cylinder or hydraulic pump. a. Contact Direct Support Maintenance. 3-35

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