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TP 4.0 D Trash Pump Service Manual IMPORTANT: Read all safety precautions and instructions carefully before operating equipment. Refer to operating instruction of equipment that this engine powers. Ensure engine is stopped and level before performing any maintenance or service.
Safety SAFETY PRECAUTIONS WARNING: A hazard that could result in death, serious injury, or substantial property damage. CAUTION: A hazard that could result in minor personal injury or property damage. NOTE: is used to notify people of important installation, operation, or maintenance information. WARNING WARNING WARNING...
Specifi cations ENGINE IDENTIFICATION NUMBERS Kohler portable power products identifi cation numbers (model, specifi cation and serial) should be referenced for effi cient repair, ordering correct parts, and engine replacement. Model .....
Specifi cations GENERAL TORQUE VALUES English Fastener Torque Recommendations for Standard Applications Bolts, Screws, Nuts and Fasteners Assembled Into Cast Iron or Steel Grade 2 or 5 Fasteners Into Aluminum Size Grade 2 Grade 5 Grade 8 Tightening Torque: N·m (in. lb.) ± 20% 8-32 2.3 (20) 2.8 (25)
Troubleshooting TROUBLESHOOTING GUIDE When troubles occur, be sure to check simple causes which, at fi rst, may seem too obvious to be considered. For example, a starting problem could be caused by an empty fuel tank. Some general common causes of pump troubles are listed below. Use these to locate causing factors. Condition Possible Cause Conclusion...
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Disassembly/Inspection and Service TP 4.0 D Components Inspection Flap Inlet Flange Check Valve Pump Case Rubber Seal Impeller Gasket Rotating Seal Mechanical Seal Back Plate Outlet Flange Pump Filler Cap O-ring Pump Drain Plug KohlerPower.com 39 690 01 Rev. --...
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Disassembly/Inspection and Service Remove Outlet Flange Remove Back Plate 1. Remove outlet fl ange screws and remove outlet 1. Remove screws securing back plate to engine. fl ange. These are special screws with special washers. Make sure to replace with same part numbers if Inspection needed.
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Reassembly TP 4.0 D Components Inspection Flap Inlet Flange Check Valve Pump Case Rubber Seal Impeller Gasket Rotating Seal Mechanical Seal Back Plate Outlet Flange Pump Filler Cap O-ring Pump Drain Plug KohlerPower.com 39 690 01 Rev. --...
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Reassembly Install Back Plate 1. Apply Loctite® 587™ Ultra Blue or equivalent to screws. 2. Replace back plate and hold in position. 3. Secure with screws and washers. 4. Torque back plate screws to 17.6-20.3 N·m (13-15 ft. lbs.). Install Mechanical Seal NOTE: Drops of liquid detergent on shaft will help install mechanical seal.