TM-9-2320-280-34 HMMWV Direct Support & General Support Maintenance Manual Download
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3-4. LEFT CYLINDER HEAD REPAIR (Cont’d) TM 9-2320-280-34 3-10 Change 1 c. Installation CAUTION Head gasket must be used without a sealer. Sealant may cause leaks or damage to engine. 1. Install head gasket (3) over dowel pins (5) on cylinder block (6). NOTE Use of cylinder head lifting device is optional. 1.1. Install cylinder head lifting device on center of cylinder head (1) with two washers (2.2) and capscrews (2.1). 2. Apply pipe sealing compound to threads of seventeen capscrews (2). 3. Install cylinder head (1) on cylinder block (6). 3.1 Remove two capscrews (2.1), washers (2.2), and cylinder head lifting device from center of cylinder head (1), if installed. CAUTION Failure to tighten cylinder head capscrews in proper torque sequence may result in leaks or damage to cylinder head. 3.2. Install seventeen capscrews (2) and tighten to 20 lb-ft (27 N•m) following torque sequence. 4. Tighten seventeen capscrews (2) to 50 lb-ft (68 N•m) following torque sequence. NOTE Mark capscrews after torque turn to prevent retightening. 5. Tighten seventeen capscrews (2) an additional 90° following torque sequence and mark capscrews (2). 6. Apply antiseize compound to two leads 3A (10) and 58A (9) and install on cylinder head (1) with capscrew (8). 7. Connect harness lead 33B (7) to engine temperature sending unit (4).