TM 10-4320-315-243-30. MAINTENANCE OF CYLINDER HEADSThis task covers:a.Removeb.InstallINITIAL SETUPToolsEquipmentConditionsGeneral Mechanics Tool KitElectrical wire from temperature sensor disconnected(Item 1, Appendix B)(para. 2-37).Angle-of-Turn IndicatorFuel injectors removed (para. 2-50).(Item 4, Appendix B)Cylinder head cover removed (para. 2-54).Intake and exhaust manifolds removed(para. 3-23).Materials/PartsFront and end walls of cowling assembly removed(para. 3-24).Tags (Item 21, Appendix C) Rocker arms removed (para. 3-29).60/40 Solder Lead Wire (Item 18, Appendix C)Grease (Item 8, Appendix C)a. REMOVE. (Figure 3-29)NOTETo prevent malfunction of parts, reinstall pushrods in same location from which theywere removed.(1)Tag and remove pushrods (1).(2)Using square recess socket, remove two plugs (2) and seals (3) from cylinder head.NOTELoosen head bolts in a diagonal sequence.(3)Loosen head bolts (4) in stages.(4)Depress spring (7) on each pushrod tube (6) to remove pushrod tubes from cylinder head (11). Removeand tag pushrod tubes.(5)Remove springs (7), profile washers (8), and seals (9) from pushrod tubes (6).(6)Remove cylinder head (11) with head bolts (4) and washers (5). Put location tag on cylinder.(7)Remove cylinder head gasket (10).3-63
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