Table 4-1. Troubleshooting - continued

Table 4-1. Troubleshooting - continued - TM-5-3820-256-24-1_35

Table 4-1. Troubleshooting - continued - TM-5-3820-256-24-1_37

TM-5-3820-256-24-1 Drilling System Manual
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Table 4-1. Troubleshooting - continued PROBLEM POSSIBLE CAUSE REMEDY Air compressor 1. Insufficient air pres- eliminate this problem. Avoid the use drive clutch slips - sure - continued of all rust inhibitors or commercial continued antifreeze. 2. Ruptured diaphragm. Replace diaphragm. 3. Drive rings worn out. Replace drive rings. 4. Dirt in drive ring. Disassemble and clean. Air compressor 1. Misalignment of clutch Realign clutch and driving member. drive clutch drags and driving member. or will not disengage 2. Dirt in driving ring. Disassemble and clean. Clutch overheating 1. Clutch slippage. Refer to drive clutch slips. 2. Misalignment of Align clutch and member. clutch and driving member. 3. Dirt in driving ring or Disassemble and clean. spider. 4. Plates not free on hub. Disassemble and clean, de-burr or re- place defective parts. 5. Pressure plate and Disassemble, clean or replace if insulator not fully defective. disengaging. Clutch noisy Excessive wear from mis- Realign clutch and driven member. alignment or from clutch Refer to Drive Clutch Drags or Will not fully disengaging. Not Disengage. WATER INJECTION DRIVE MOTOR Oil leakage 1. Hose fittings loose, Check and replace damaged fittings worn or damaged. or "O" Rings. Torque to manufacturers specifications. 2. Oil seal rings deteri- Replace oil seal rings. orated by excess heat. 3. End cover bolt loose (a) Loosen then tighten single bolt to or its sealing area 22-26 ft.-lbs. (30-35 N m) deteriorated by cor- rosion. (b) Replace bolt. 4-5

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