TM 10-4320-344-244.4.19 CrankshaftAssemblyMaintenance,Model609-A.This task covers:4.4.19.1 Removal4 .4 .1 9 . 3 I n s t a l l a t i o n4 .4 .1 9 . 2 R e p a irINITIALSETUPToolsGeneral Mechanic’s Automotive Tool Kit,Appendix B, Section III, Item 1Goggles, Appendix B, Section III,Item 2Gun, Air Blow, Appendix B, SectionIII, Item 2Arbor Press, Appendix B, Section III,Item 3Micrometer, Appendix B, Section III,Item 3Sling, Engine, Appendix B, Section III,Item 3Material/PartsTube Brush, Appendix C, Item 6Abrasive Cloth (Emery), Appendix C,Item 8Gloves, Appendix C, Item 11Grease (Engine Assembly), Appendix C,Item 13Oil, Appendix C, Item 15Rags, Appendix C, Item 20Material/Parts(Continued)Solvent, Dry Cleaning, Appendix C,Item 26Tags, Appendix C, Item 31Bearings (TM 10-4320-344-24P)Crankshaft Gear (TM 10-4320-344-24P)Woodruff Key (TM 10-4320-344-24P)Equipment ConditionsOil Pump Assembly removed, paragraph3 .8 .13 .Bellhousing removed, paragraph 4.4.10.Piston and Connecting Rod Assembliesremoved, paragraph 4.4.13.Gear Housing removed, paragraph 4.4.17.GeneralSafetyInstructionsDo not work on equipment that is notsecurely stabilized to prevent rollingo r s l i d i n g.Do not work on equipment without follow-ing standard shop safety practices.4.4.19.1 Removal.a.b.c .d.e .Tag and mark all components with match marks on camshaft side.Remove four bolts (Figure 4-34, 1), center main bearing cap (2), and lowercenter main bearing (3). Discard lower main bearing (3).Remove twelve bolts (4), six lower main bearing caps (5), and six lower mainbearings (6). Tag lower main bearing caps (5). Discard lower main bearings( 6 ) .Using sling, lift crankshaft assembly (7) from engine block.Remove and discard six upper main bearings (8) and upper center mainbearing (9).Using arbor press, remove crankshaft gear (10) and woodruff key (11) fromcrankshaft (7). Discard crankshaft gear (10) and woodruff key (11).4-66NOTE
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