TABLE 3-1. ORGANIZATIONAL TROUBLESHOOTING - cont

TABLE 3-1. ORGANIZATIONAL TROUBLESHOOTING - cont - TM-5-3810-306-20_118

TABLE 3-1. ORGANIZATIONAL TROUBLESHOOTING - cont - TM-5-3810-306-20_120

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 69. NO OIL FLOWS IN HYDRAULIC SYSTEMS Step 1. Reservoir-to-pump supply line broken or restricted. Air entering at suction lines. Pump not priming. a. Inspect all hydraulic lines for leaks. If OK, do Step 2. b. Clean, repair, or replace hydraulic lines as necessary. Check all lines for security, suction lines for cracks, and proper attachment. Tighten, repair or replace components as necessary. (Refer to pages 16-38 and 16-40.) Step 2. Hydraulic pump failure. a. Contact Direct Support Maintenance. 70. EXCESSIVE HYDRAULIC PRESSURE BUILDUP Step 1. System hydraulic relief valve set too high. a. Use adequate pressure gauge and adjust system hydraulic relief valve as necessary. If OK, do Step 2. (Refer to page 16-54.) Step 2. Restricted pump-to-control valve hydraulic supply line. a. Remove and inspect hydraulic line. b. Clean or replace hydraulic line. (Refer to pages 16-38 and 16-40.) 71. PUMP NOISE. ACCOMPANIED BY OIL FOAMING IN RESERVOIR Step 1. Air entering at suction lines. Low oil level. a. Check all hydraulic lines for security and proper attachment. b. Tighten, repair or replace components as necessary. c. Ensure that oil level in reservoir is adequate. Fill to HIGH mark on sight gauge. (Refer to LO 5-3810-306- 12.) 3-51

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