TM-9-2320-272-24-4
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL; VOLUME 4 OF 4
JUNE 1998
TM-9-2320-272-24-4 - Page 86 of 836
TM 9-2320-272-24-4
5-11. ENGINE OIL PUMP REPAIR (Contd)
6.
Remove two screw-assembled lockwashers (12), flange plate (11), and gasket (10) from inner body (9).
Discard gasket (10) and screw-assembled lockwashers (12).
7.
Hold retainer (14) down and remove screw (1) from oil pump body (13).
8.
Slowly release retainer (14) and remove lockwasher (16), lockplate (15), retainer (14), retainer cap (2),
spring (3), and regulator plunger (4) from oil pump body (13). Discard lockwasher (16), lockplate (15),
and spring (3).
9.
Remove bypass seat (6), disc (7), and bypass spring (8) from filter head (5). Discard bypass seat (6)
and bypass spring (8).
5-80
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