TM-9-2320-280-34 HMMWV Direct Support & General Support Maintenance Manual Download
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4-5. SERVO ADVANCE SEAL REPLACEMENT This task covers: a. Removal b. Installation INITIAL SETUP: Tools General mechanic’s tool kit: automotive (Appendix G, Item 1) Modified box wrench (Appendix C, Fig. 18) Materials/Parts Servo advance seal (Appendix E, Item 168) Seal (Appendix E, Item 148.1) Manual References ________________ TM 9-2320-280-20 TM 9-2815-237-34P Equipment Condition _________________ Kick-down switch removed (TM 9-2320-280-20). Maintenance Level ________________ Direct Support a. Removal b. Installation TM 9-2320-280-34 4-6 Change 1 1. Install servo advance seal (5) on piston plug nut (6). 2. Install piston plug nut (6) on fuel injection pump (4) with modified box wrench. 3. Install seal (6.1), plunger (7), and rocker lever (3) on piston plug nut (6) with setscrew (8). 4. Install rocker lever (3) on fuel injection pump (4) with pin (1) and two retaining rings (2). 1. Remove two retaining rings (2) and pin (1) from rocker lever (3) and injection pump (4). 2. Remove setscrew (8), rocker lever (3), plunger (7), and seal (6.1) from piston plug nut (6). Discard seal (6.1). 3. Using a modified box wrench, remove piston plug nut (6) from fuel injection pump (4). 4. Remove servo advance seal (5) from piston plug nut (6). Discard seal (5).