Troubleshooting Checklist

TOOLS and MATERIALS REQUIRED for SERVICING

TM-55-1930-209-14P-6 Water Purification Barges (NSN 1930-01-234-2165) Chlorination System Manual
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Troubleshooting Checklist Trouble Cause Remedy Oil Leakage 1. Hose fittings loose, worn or Check & replace damaged damaged. fittings or "O" Rings. Torque to manufacturers specifications. 2. Oil seal rings (5) deteriorated by Replace oil seal rings by excess heat disassembling MAF unit. 3. Special bolt (21 loose or its sealing (a) Loosen then tighten single area deteriorated by corrosion bolt to 22-26 ft.-lbs. (30-35 N m) (b) Replace bolt. 4. Internal shaft seal (16) worn or Replace seal by disassembling damaged MAF unit. 5. Worn coupling shaft (11 ) and Replace coupling shaft and internal seal (16) seal by disassembling MAF unit. Significant loss of 1. Lack of sufficient oil supply (a) Check for faulty- relief valve speed under load and adjust or replace as required. (b) Check for and repair worn pump. (c) Check for and use correct oil for temperature of operation. 2. High Internal motor leakage (a) Replace worn rotor set by disassembling MAF unit. 3. Severely worn or damaged Replace rotor set, drive link internal splines and coupling shaft by disassembling MAF unit. 4. Excessive heat Locate excessive heat source in the system and correct the condition. Low mechanical 1. Line blockage Locate blockage source and efficiency or undue repair or replace. high pressure required to operate MAF unit 2. Internal interference Disassemble MAF unit, identify and remedy cause and repair, replacing parts as necessary. 3. Lack of pumping pressure Check for and repair worn pump. 4. Excessive binding or loading in Locate source and eliminate system cause. CAUTION: IF THE HYDRAULIC SYSTEM FLUID BECOMES OVERHEATED [IN EXCESS OF 200°F (93.30C.)], SEALS IN THE SYSTEM CAN SHRINK, HARDEN OR CRACK, THUS LOSING THEIR SEALING ABILITY. 6

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