TM-9-2815-220-24 Maintenance Manual for AVDS-1790-2CA AVDS-1790-DA and AVDS-1790-2DR Engines Download
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TM 9-2815-220-24 OIL PUMP REPAIR 0154 00 DISASSEMBLY (Continued) 1. Remove pressure relief valve cap (1). NOTE If cap is hard to remove, temporarily install oil pump back on engine with mounting screws to hold oil pump while removing cap. a. Cut, remove and discard lock wire (2). b. Remove cap (1), springs (3, 4) and valve (5) as an assembly. c. Separate valve (5) and springs (3 and 4) from cap (1). Discard springs. NOTE Screw and flat washer are used in mounting oil pump to crankcase. 2. Remove screw (6) and flat washer (7). CAUTION Do not use prying tool to separate housings. Housings are made of aluminum, have machined surfaces, and are easily damaged. Damage may occur by prying pieces apart. 3. Remove gear cover (8). a. Remove and discard two self-locking nuts (9) attaching cover (8) to pump (10). b. Remove three self-locking nuts (11), flat washers (12), and screws (13) attaching access cover (8) to gear plate (14). Discard self-locking nuts. 6 7 9 8 3 4 5 2 1 13 10 11 14 12 WP 0154 00-2