TM 10-4320-307-244-12CYLINDER HEAD ASSEMBLY REPAIRThis task covers: a.Disassembly b.Cleaning c.Inspection d.RepairINITIAL SETUPTools Materials/Parts (Continued)Tool kit, general mechanic's (Item 1, Appendix B)Wire brushInside micrometer (Item 4, Appendix B)Lapping and grinding compound (Item 18,Bore gaugeAppendix C)Valve spring compressorDye penetrantReamer (Item 3, Appendix B)Prussian blue (Item 24, Appendix C)Milling machineEquipmentValve grinding machineConditionOrbital sanderReferenceCondition DescriptionRubber hammerParagraphCylinder head assemblyMaterials/Parts 3-36removedDry cleaning solvent (Item 30, Appendix C)General Safety InstructionsAntiseizing tape (Item 31, Appendix C)Well ventilated area for cleaningDISASSEMBLY:Live steam used for cleaning shall not exceed 100 psi (690 kPa).Duringsteam cleaning operations, adequate ventilation, natural or forced, shouldbe provided. Do not direct live steam against skin.Death or serious injury could occur if compressed air is directed againstthe skin. Do not use compressed air for cleaning or drying unless thepressure is/has been reduced to 30 psi (2.11 kgcm2) or less. Whenworking with compressed air always use chip guards, eye protection. andother personal protective equipment.1.Prior to disassembling the cylinder head, steam clean and dirty assembly with compressed air.NOTEThe procedures and quantities listed are for disassembly of one cylinder headassembly. These procedures are the same for any one of the three cylinderhead assemblies.4-88
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