TM-9-2815-237-34 HMMWV Engine Direct Support & General Support Maintenance Manual Download
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TM 9-2815-237-34 2-21. CYLINDER HEAD AND VALVE REPAIR (Cont’d) 10. Apply pipe sealing compound to cold start advance switch (1) and install in right cylinder head (2). 11. Install water jacket cover gasket (5) and water jacket cover (4) on right cylinder head (2) and secure with two capscrews (3). Tighten capscrews (3) to 25-37 lb-ft (3450 Nžm). 12. Apply pipe sealing compound to engine temperature sending unit (6) and install in left cylinder head (2). 13. Install four precombustion chambers (7) in cylinder head (2) flush to +0.002 in. (0.050 mm). 14. Repeat step 13 for opposite cylinder head. 2-70