TM-5-4310-389-145-4. LOWER CRANKCASE AND TENSION PULLEY ASSEMBLY (COMPRESSOR)DESCRIPTIONThis task covers: RepairINITIAL SETUPTools:Equipment conditions:General Mechanic Tool KitEquipment secured (paragraph 2-11)Upper crankcase removedMaterials/parts:(paragraph 5-3).Alcohol, Isopropyl, item 1 Appendix EDrain oil from crankcaseApron, Rubber, item 5 Appendix E(paragraph 3-16, c).Bag, Plastic, item 6 Appendix E4th stage valve head re-Cloth, Lint-free, item 9 Appendix Emoved (paragraph 4-8, c).Detergent, Non-ionic, item 13 Appendix EGloves, Rubber, item 17 Appendix EGrease, Halo Carbon, item 19Shield, Face, item 26 Appendix ESilicone, RTV Sealant, item 28 Appendix ETrisodium Phosphate, item 31 Appendix EWater, Distilled, item 32 Appendix EREPAIRNOTEDisassembly of lower crankcase can be done with the upper crankcase assembled or disassembled.Usually, the upper and lower crankcase are disassembled at the same time. The only exception would befor crankshaft, camshaft bearing, or oil pump failure.a.Disassembly (disregard, if not needed).1.Remove the four allen head bolts (2) from the oil pump timing belt cover (1) (figure 5-3).2.Remove timing belt adjusting pulley (7) and the crankshaft pulley (3). Remove oil pump belt (14).5-9
Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business
