TM 5-3810-300-24&P-3
OIL PUMP 4.1
Fig. 2. Typical Oil Pump Mounting
2.
Screen--Oil
19.
Pipe--Pump Inlet
49.
Gear--Drive-Driven
71.
Bolt--Regulator
Pump Intake
21.
Cover--Pump
55.
Bolt--Pump to
to Cylinder Block
3.
Body--Oil Pump
28.
Cover--Pump
Bearing Cap
73.
Valve--Regulator
4.
Valve--Oil
Inlet Pad
56.
Gear--Idler
74.
Spring--Regulator
Pressure Relief
30.
Spring--Relief
57.
Bolt--Outlet Pipe
75.
Plug--Regulator
15.
Pipe--Pump
Valve
to Pump
77.
Bolt--Outlet Pipe
Outlet
36.
Gasket--Copper
58.
Bolt--Screen Bracket
to Regulator
16.
Retainer--Screen
37.
Plug--Relief Valve
to Bearing Cap
79.
Bolt--Inlet Pipe
17.
Cover--Screen
39.
Cap--Main
68.
Oil Pressure
to Pump
18.
Bracket--Screen
Bearing
Regulator Assy.
pump. The scavenging pump consists of a spacer, two
An idler gear (56) is mounted on a support bracket which
gears, and a pump body (see inset in Fig. 3). Oil which
is attached to the pump body (Fig. 1).
normally flows to the front of the engine during inclined
operation of the engine is transferred to the rear of the
Pressure lubrication of the idler gear bushing is provided
pan by the scavenging pump and is then picked up by
by means of a drilled passage in the pump body and a
the oil pump for distribution throughout the engine.
connecting passage in the idler gear support bracket.
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