TM 5-3805-262-344-1. ENGINE MAINTENANCE (CONT) c. CylinderHeads.This task covers disassembly, cleaning, inspection, repair,and reassembly of cylinder heads.TOOLS: No. 1 Common Organizational Maintenance Tool KitDrill, 3/8 inch capacityDrill setSafety glassesAutomotive Fuel and Electrical System Repair Tool KitStraight edgeThickness gageBore gageHydraulic pressMicrometer, zero to 5 inchesReamer (FSCM 45225 PN CAS-1086)Bushing, 13/16 inch (minimum) inside diameter by 0.953 inch longMATERIALS/PARTS: Clean cloths (Appendix C, item 1)Cleaning solvent P-D-680 (Appendix C, item 2)Guides, valve (FSCM 10988 PN A41783)Plugs, expandable, three (FSCM 10988 PN A58620)Plugs, expandable, two (FSCM 10988 PN A34124)NOTEPRELIMINARY PROCEDURE: Valves removed (page 3-74).DISASSEMBLYPerformNOTEsteps (1) and (2) below only ifi n s p e c t i onindicareplacement of plugs (1(1) Remove three plugshole through theirtes need forand 2).(1) by drilling acenter and pullingthem out using a suitable tool. Discardplugs .(2) Remove two plugs (2) by drilling a holethrough their center and pulling themout using a suitable tool. Discardplugs .NOTEPerform following step only if inspec-LEGEND1. Plugs (3)2. Plugs (2)3. Valve guides (4)4. Cylinder headtion indicates need for replacement ofvalve guides (3).(3)Using hydraulic press, press out fourvalve guides (3) from top of cylinderhead (4). Discard valve guides (3).4-12
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