TM 10-4320-344-244.4.14 Piston and Connecting Rod Assembly Maintenance, Model 609-A.This task covers:4.4.14.1 Removal4.4.14.4 Assembly4 .4 .1 4 . 2 D i s a s s e m b ly4 .4 .1 4 . 5 I n s t a l l a t i on4 .4 .1 4 . 3 R e p a i rINITIAL SETUPToolsGeneral Mechanic’s Automotive Tool Kit,Appendix B, Section III, Item 1Goggles, Appendix B, Section III,Item 2Torque Wrench, Appendix B, Section III,Item 2Vise, Appendix B, Section III, Item 2Inside Micrometer, Appendix B, SectionI I I , Item 3Micrometer, Appendix B, Section 111,I t e m 3Piston Ring Expander, Appendix B,Section III, Item 3Ridge Reamer, Appendix B, sectionIII, Item 3Material/PartsBrush, Appendix C, Item 5Abrasive Cloth (Emery), Appendix C ,Item 8Material/Parts (Continued)Gloves, Appendix C, Item 11Engine Assembly Grease, Appendix C,Oil, Appendix C, Item 15Rags, Appendix C, Item 20Solvent,Dry Cleaning, Appendix C,Item 26Tags, Appendix C, Item 31Bearings (TM 10-4320-344-24P)Piston Rings (TM 10-4320-344-24P)Equipment ConditionsOil Pump Assembly removed, paragraph3 .8 .13.Cylinder Head Assembly removed, paragraph3 .8 .19.General Safety InstructionsDo 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.4.4.14.1 Removal.Ensure carbon deposits have been scraped fromdamaging piston rings during removal.cylinder bores to avoidIt may be necessary to use ridge reamer on excessively worn cylinder bores.a.Remove top wear ridge in each cylinder bore and, using wire brush, cleancarbon deposits from top of each cylinder bore.b.Crank engine so that number 1 piston is at BDC.4-42
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