TROUBLE SHOOTING - TM-5-3820-256-24-5

TM-5-3820-256-24-5 Drilling System Well Rotary Truck Mounted Air Transportable 600 Feet Capacity Model LP-12 NSN 3820-01-246-4276 Manual
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SERVICE MANUAL TROUBLE SHOOTING PROBLEM PROBABLE CAUSE SOLUTION Pump will not operate. 1. No voltage to pump motor. 1. Check for open circuit or blown fuse. 2. Defective switch. 2. Replace switch. 3. Defective motor. 3. Replace pump/motor assembly Pump operates but 1. Hoses loose, kinked or 1. Reinstall or replace hose. pressure is weak. damaged. 2. Nozzles plugged or dirt in 2. Clean nozzles and service reservoir. reservoir as required. 3. Defective motor or pump. 3. Replace pump/motor assembly. Pump operates but no washer 1. No solution in reservoir. 1. Fill reservoir. solution delivered. 2. Hoses loose, kinked or 2. Reinstall or replace hoses. damaged. 3. Nozzles plugged or dirt in 3. Clean nozzles or reservoir as reservoir. required. 4. Solution frozen 4. Thaw out system and replace washer solvent. 5. Defective pump. 5. Replace pump/motor assembly CTS-4061 - Chapter III PRINTED IN UNITED STATES OF AMERICA Page 4

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