TM-9-2815-237-34 HMMWV Engine Direct Support & General Support Maintenance Manual Download
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TM 9-2815-237-34 2-41. ENGINE ASSEMBLY FROM SUBASSEMBLIES (Cont’d) s. Rocker Arm Covers NOTE ● If applying sealant, perform step 2. Keep sealant out of capscrew holes. ● If installing new rocker arm cover gaskets, perform step 1, then step 3. ● Silicone sealant can be used with the gasket, but is not required. 1. Install rocker arm cover gasket (13) on lip of cover (12) and align with capscrew holes. 2. Apply a 1/16-in. (4 mm) bead of silicone sealant around sealing surface of rocker arm covers (11). 3. Install rocker arm covers (11) on cylinder head (6) with sixteen washers (10), seven capscrews (9), and nine studs (14), following assembly diagram. 4. Tighten capscrews (9) and studs (14) to 13-25 lb-ft (18-34 N•m). 5. Install two injection line support brackets (8) on studs (12) with four nuts (7). Tighten nuts (7) to 13-20 lb-ft (18-27 N•m). RIGHT ROCKER ARM COVER LEFT ROCKER ARM COVER 2-177