TM-9-2320-280-34 HMMWV Direct Support & General Support Maintenance Manual Download
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4-6. FUEL INJECTION PUMP MAINTENANCE (Cont'd) 8. Remove three capscrews (9) from pump driven gear and fuel injection pump (4). 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 be disposed of IAW current directives. Inhalation of asbestos fibers can cause respiratory ailments. 9. Remove three nuts (5), washers (6), fuel injection pump (4), and gasket (1) from timing gear cover (7). Discard gasket (1). 10. Clean gasket surface of timing gear cover (7) and fuel injection pump (4). b. Repair For fuel injection pump repair procedures, refer to TM 9-2815-237-34. c. Installation 1. Align pin (2) on pump drive with elongated hole in pump driven gear. 2. Install gasket (1) and fuel injection pump (4) on timing gear cover (7). 3. Align fuel injection pump timing marks (3) and gear cover timing marks (8). 4. Install fuel injection pump (4) on timing gear cover (7) with three washers (6) and nuts (5). 5. Secure pump driven gear on fuel injection pump (4) with three capscrews (9). Tighten capscrews (9) to 13-20 lb-ft (18-27 N . m). TM 9-2320-280-34 4-10 Change 1 NOTE Rotate engine in order to gain access to driven gear and injection pump retaining capscrews.