TB-9-2320-335-13&P HMMWV Operator and Field Maintenance, Parts, Tools M1151A1 M1152A1 M1165A1 Download
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15-4. LEFT CYLINDER HEAD REPAIR This task covers: a. Removal c. Installation b. Repair INITIAL SETUP: Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) Maintenance and repair shop equipment: automotive (Appendix B, Item 2) Materials/Parts Gasket (Appendix A, Item 53) Antiseize compound (Appendix C, Item 16) Pipe sealing compound (Appendix C, Item 62) Cylinder head lifting device (Appendix D, Fig D-111) (Optional) Personnel Required One mechanic One assistant Manual References TM 9-2320-387-24-1 TM 9-2320-387-24P TM 9-2815-237-34 Equipment Condition • Fuel drain-back tube removed (TM 9-2320-387-24-1) • Alternator/power steering mounting bracket removed (TM 9-2320-387-24-1) Equipment Condition (Contd) • Left exhaust manifold removed (TM 9-2320-387-24-1). • Left intake manifold removed (TM 9-2320-387-24-2). • Water crossover removed (para. 3-79.1). • Rocker arm shafts and pushrods removed (TM 9-2320-387-24-2). • Fuel injection return hoses removed (TM 9-2320-387-24-1). • Fuel injection nozzles removed (TM 9-2320-387-24-2). • Glow plugs removed (TM 9-2320-387-24-1). • Oil pressure sending unit removed (TM 9-2320-387-24-1). General Safety Instructions Cylinder head must be supported during removal and installation. Maintenance Level Direct support TB 9-2320-335-13&P 15-8 WARNING Cylinder head must be supported during removal and installation. Failure to support cylinder head may cause injury to personnel or damage to equipment. 1. Disconnect harness lead 33B (5) from engine temperature sending unit (4). CAUTION Cover or plug all hoses, connections, and openings immediately after disconnection to prevent contamination. Remove all covers or plugs prior to connection. 2. Remove seventeen capscrews (2) from cylinder head (1) and cylinder block (6). Discard capscrews (2). NOTE Use of cylinder head lifting device is optional. 2.1. Install cylinder head lifting device (2.1) on center of cylinder head (1) with two washers (2.3) and capscrews (2.2). 3. Remove cylinder head (1) and gasket (3) from cylinder block (6). Discard gasket (3). 3.1. Remove two capscrews (2.2), washers (2.3), and cylinder head lifting device (2.1) from cylinder head (1), if installed. 4. For cylinder head (1) and valve repair procedures, notify general support (TM 9-2815-237-34). 1. Extract broken portion of bolt (8) from cylinder head (1). b. Repair a. Removal