TM-9-2320-272-24-2

TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)

TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL; VOLUME 2 OF 4

JUNE 1998

TM-9-2320-272-24-2 - Page 848 of 991

TM 9-2320-272-24-2

4-21. ENGINE OIL PUMP REPLACEMENT (Contd)

c. Installation

1.

2.

3.

4.

CAUTION

Mounting screws are of different sizes. Do not force screws to

bottom. Misplaced screws can damage parts.

Position new gasket (1) and oil pump (9) on gearcase (11) and install new lockwashers (2) and (8) and

screws (3) and (7) through oil filter head (6) into gearcase (11).

Install three new lockwashers (4) and screws (5) through oil pump flange (13) into gearcase (11).

Install screw (10) and new lockwasher (12) through oil pump flange (13) into gearcase (11).

Tighten screws (3), (7), and (10) 35-46 lb-ft (48-62 N•m).

NOTE

After installation, repeat gear backlash test, task a.

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