TM-9-2320-280-34 HMMWV Direct Support & General Support Maintenance Manual Download
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TM 9-2320-280-34 3-11. LEFT ROCKER ARM COVER MAINTENANCE This task covers: a. Removal c. Installation b. Repair INITIAL SETUP: Tools Equipment Condition General mechanic's tool kit: Fuel injection lines removed (para. 4-4). automotive (Appendix G, Item 1) Left fuel injection lines bracket removed (TM 9-2320-280-20). Materials/Parts RTV sealant (Appendix B, Item 43) Maintenance Level Valve cover gasket (Appendix E, Item 37) Direct support Manual References TM 9-2320-280-20 TM 9-2815-237-34 TM 9-2815-237-34P a. Removal NOTE In some cases, flanged head fasteners may be present instead of standard fasteners and washers. In all cases, washers should be used when replacing a flanged head fastener with a standard fastener. 1. Remove nut (2), washer (1), clamp (8), and fuel drain back tube (9) from rocker arm cover stud (3). 2. Remove a combination of five capscrews (5), three studs (3), eight washers (6), and rocker arm cover (4) from cylinder head (7). b. Repair For rocker arm cover repair procedures, refer to TM 9-2815-237-34. c. Installation NOTE When applying RTV sealant, keep sealant out of capscrew holes. During installation, RTV sealant or new gasket is approved. If applying RTV sealant, perform step 1. If installing new gasket, RTV sealant may be applied with the gasket, but is not required. 1. Apply a .06 in. (1.5 mm) bead of RTV sealant around rocker arm cover (4) sealing surface. 2. Install rocker arm cover (4) on cylinder head (7) with eight washers (6), five capscrews (5), and three studs (3) following assembly diagram. 3. Tighten capscrews (5) and studs (3) to 13-25 lb-ft (18-34 N m). 4. Install fuel drain back tube (9) and clamp (8) on stud (3) with washer (1) and nut (2). 3-24