TM 10-4320-344-24SECTION II. GENERAL SUPPORT MAINTENANCE PROCEDURESENGINE ASSEMBLY MAINTENANCE .4.44.4.1 Cylinder Head Assembly, Intake Valve, and Exhaust Valve Maintenance, Model 609-A.This task covers:4 .4 . 1 . 1 D i s a s s e m b ly4.4.1.3 Assembly4 .4 . 1 . 2 R e p a irINITIALSETUPToolsGeneral Mechanic’s AutomotiveTool Kit, Appendix B, SectionI I I ,Item 1Goggles,Industrial,Appendix B,Section III, Item 2Depth Gauge, Appendix B, Section III,Item 3Inside Micrometer, Appendix B, SectionIII, Item 3Valve Cleaner, Appendix B, Section III,Item 3Valve Spring Compressor, Appendix B,Section III, Item 3Vernier Calipers, Appendix B, Section111,Item 3Material/PartsBrush, Appendix C, Item 6Gloves, Appendix C, Item 11Material/Parts(Continued)Oil, Appendix C, Item 15Rags, Appendix C, Item 20Solvent, Dry Cleaning, Appendix C,Item 26Tags, Appendix C, Item 31Gasket (TM 10-4320-344-24P)Lock Washers (TM 10-4320-344-24P)Equipment ConditionsCylinder 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.To prevent burns do not work on hotengine components.Allow engine to cool.DO not work on equipment without follow-ing standard shop safety practices.4.4.1.1 Disassembly.a .Remove four screws (Figure 4-1, 1), lock washers (2), pipe plug (3), watero u t l e t c o v e r ( 4 ), and gasket (5) from cylinder head (6).Discard lock washers(2) and gasket (5).b.Remove seat lock (7), valve spring seat (8), valve spring (9), and valveinsert (10) for each intake valve (11) to be removed.c .Remove seat lock (12), valve rotator (13), and valve spring (14) for eachexhaust valve (15) to be removed.To prevent equipment malfunction,install valves in same position in cylinderfrom which they were removed.d.Remove intake valves (11) and exhaust valves (15) and tag location in cylinderhead (6).4-3
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