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ARMY TM 9-2815-254-24 AIR FORCE TO 38G1-94-2 SECTlON  IX.  ENGINE  BLOCK  MAINTENANCE 3-25. FRONT GEAR COVER. 3-25.1.  Removal. a. Drain engine lubrication system. Refer to end item maintenance manual. b. Remove fan and fan belt, refer to end item maintenance manual. c. Remove four screws (1, FIGURE 3-50) cover (2) and preformed packing (3). Ensure “ZZ’ is still visible. d. Rotate crankshaft pulley (5) until timing mark is lined up with dial pointer (6), refer to FIGURE 3-6. NOTE Ensure engine is at TDC. e. Remove bolt (4, FIGURE 3-50) securing crankshaft pulley (5) to crankshaft and remove pulley. f. Remove two screws (7). g. Support front gear cover (9) and remove thirteen screws (8) attaching cover to engine block; remove cover (9) and preformed pecking (10). Discard preformed packing. h. Remove dial pointer (6). i . Remove and discard two preformed packings (11) from front gear cover. Use care not to damage oil seal fitting surfaces. i. Remove crankshaft front oil seal (12) from front gear cover using a plastic hammer and a screwdriver to tap around oil seal to free it. 3-25.2.   lnspection. a. Inspect crankshaft front oil seal (12, FIGURE 3-50) for excessive wear, damage, or signs of leakage. 3-99


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