TM-9-2320-280-34 HMMWV Direct Support & General Support Maintenance Manual Download
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3-17. INTAKE MANIFOLD MAINTENANCE This task covers: a. Removal c. Installation b. Repair a. Removal WARNING Gaskets installed on some 6.2L engines assembled prior to 1991 may contain asbestos. Gaskets should be removed with a scraper or putty knife and then disposed of IAW current directives. Inhalation of asbestos fibers can cause respiratory ailments. 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 (12), lockwasher (13), and fuel filter line clamp (14) from stud (15). Discard lockwasher (13). 2. Remove nut (2), lockwasher (3), and harness clamp (1) from stud (4). Discard lockwasher (3). 3. Remove two nuts (9), lockwashers (10), and wiring harness bracket (11) from studs (16). Discard lockwashers (10). 4. Remove two nuts (7), lockwashers (8), and harness brackets (6) and (17) from two studs (5). Discard lockwashers (8). 5. Remove four long studs (22), long capscrew (24), six studs (23), five capscrews (20), and sixteen washers (19) from intake manifold (18). 6. Remove three injection line clamps (21), injection line clamp (25), and fuel supply clamp (26) from intake manifold (18). 7. Remove intake manifold (18) and two gaskets (27). Discard gaskets (27). 8. Cover cylinder head (28) ports. INITIAL SETUP: Tools _____ General mechanic's tool kit: automotive (Appendix G, Item 1) Materials/Parts _____________ Two gaskets (Appendix E, Item 24) Six lockwashers (Appendix E, Item 79) Manual References ________________ TM 9-2320-280-20 TM 9-2815-237-34 TM 9-2815-237-34P Equipment Condition _________________ • Air horn removed (TM 9-2320-280-20). • CDR valve bracket removed (TM 9-2320-280-20). General Safety Instructions ______________________ Gaskets installed on some 6.2L engines assembled prior to 1991 may contain asbestos. Gaskets should be disposed of IAW current directives. Maintenance Level _______________ Direct support b. Repair For intake manifold repair procedures, refer to TM 9-2815-237-34. c. Installation 1. Install two intake manifold gaskets (27) and intake manifold (18) on cylinder heads (28). 2. Install injection line clamp (25), fuel supply clamp (26), and three injection line clamps (21) on fuel injection lines, and position on intake manifold (18). TM 9-2320-280-34 3-36 Change 1