TABLE 3-1. ORGANIZATIONAL TROUBLESHOOTING - cont

TABLE 3-1. ORGANIZATIONAL TROUBLESHOOTING - cont - TM-5-3810-306-20_101

TABLE 3-1. ORGANIZATIONAL TROUBLESHOOTING - cont - TM-5-3810-306-20_103

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 43. BOOM LOWERS ERRATICALLY 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 hydraulic relief valve. Step 2. Air in hydraulic cylinders. a. Bleed air from hydraulic system. (Refer to page 16-52.) Step 3. Control valve linkage out of adjustment. a. Check valve linkage adjustment. If OK, do Step 4. b. Adjust linkage to obtain full control valve spool travel. (Refer to page 16-2.) Step 4. Defective hydraulic pump. a. Contact Direct Support Maintenance. 44. BOOM RAISES 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 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.) 3-34

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