TM 9-2320-386-24-1-2 0313 00 ENGINE OIL PUMP MAINTENANCE (Contd) REMOVAL NOTE Have drainage pan ready to catch any excessive oil. Remove two screws (5), lockwashers (4), screw (6), oil pump body assembly (3), and O-ring (2) from cylinder block (1). Discard lockwashers (4) and O-ring (2). DISASSEMBLY 1. Remove screw (11), washer (10), idler gear (9), bearing (8), and spacer (7) from oil pump body assembly (3). 2. Remove screw (12), outlet elbow (13), and O-ring (14) from oil pump body (15). Discard O-ring (14). 3. Remove two screws (28), washers (27), intake tube (26), and gasket (25) from oil pump body (15). Discard gasket (25). 4. Remove four screws (18), washers (17), oil pump body (15), and impeller (24) from oil pump assembly (3). 5. Using arbor press, remove driven gear (19) and impeller (16) from oil pump body assembly (3). 6. Remove screw (22), retaining washer (23), spring (21), and pressure relief plunger (20) from oil pump body assembly (3). 0313 00-2