TM 5-3825-229-14&P
5-12. OIL PUMP AND OIL PRESSURE REGULATING VALVE (cont)
b.
Cleaning, Inspection and Repair (cont).
(7) If oil pump parts inspected above are worn, scored or damaged or do not meet
specifications,replace unserviceable parts.
(8)
Inspect screen on pump pickup tube (5) for damage. Clean screen.
c.
Installation.
(1)
Install shaft and gear (13) through plate (14) and install shaft through gearcase backplate.
(2)
Install a 0.5096 inch (15 mm) packing over pump shaft to use as spacer. Place pump
drive gear (12) in position on shaft and secure with washer (11) and screw (10).
(3)
Install gear (9) in pump body (8). Lubricate gears with lubricating oil (OE/HDO). Install
body, with gears (9 and 13) meshed on gearcase backplate. Secure body to engine with
screw and washer (7). Do not torque screws at this time.
(4)
Install a new gasket (6) on oil pump (8) and install oil pump pickup tube (5). Secure
tube to crankcase with washer (2) and screw (1). Tighten screw to a torque of 17 Ib-ft
(23 Nm) (wet).
(5)
Secure pickup tube to oil pump (8) with three washers (4) and screws (3). Tighten screws
(1, 3 and 7) to a torque of 17 Ib-ft (23 Nm) (wet).
(6)
Install screw (10), washer (11) and gear (12) on gear shaft (16). Remove packing from
shaft. Rotate shaft of gear (13) to be sure oil pump gears rotate freely.
(7)
Install drive gear (12) on shaft and secure with washer (1 1) and screw (10). Tighten
screw to a torque of 17 Ib-ft (23 Nm) (wet).
(8)
Refer to para. 5-11 and install oil pan.
(9)
Refer to para. 5-6 and install engine.
5-34
