IO-390-D Series Engine Maintenance Manual
© 2020 Avco Corporation. All Rights Reserved
72-50
March 2020
Page 235
IO-390-D Series Engine Maintenance Manual
13.
Oil Pressure Screen Housing Removal
Figure 10
Oil Pressure Screen Housing
A.
Remove the four bolts, lock washers,
and washers from the oil pressure
screen housing (Figure 10). Discard
the lock washers.
B.
Remove the oil pressure screen
housing and gasket. Discard the
gasket.
C.
Remove the oil pressure screen from
its housing.
14.
Oil Pressure Screen Housing Installation
A.
Install the oil pressure screen (Figure 10) in the oil pressure screen housing flush with the
base of the oil pressure screen housing.
B.
Examine the new gasket for rips, damage, deformities, cracks or brittleness. Replace any
cracked, brittle, deformed, torn or damaged gasket with a new gasket.
NOTICE:
Make sure the new gasket for the oil pressure screen housing (Figure 10) aligns with
the pad on the accessory housing and the oil pressure screen housing.
C.
Align the gasket with the bolt holes and oil holes on the oil pressure screen housing.
D.
Mount the oil pressure screen housing assembly with the new gasket on the pad of the
accessory housing aligned with the bolt holes and oil hole on the pad of the accessory housing
using the four bolts, each with a washer and a new lock washer as shown in Figure 10.
E.
Torque the four bolts 96 in.-lb (11 Nm).
15.
Oil Filter Base Removal
A.
Refer to the “Oil Filter Replacement” procedure in
Chapter 12-10 for oil filter removal instructions.
B.
Remove the hardware fasteners (nut, bolts, washers,
and lock washers) from the oil filter base (Figure 11).
Discard the lock washers.
C.
Remove the oil filter base (Figure 11).
D.
Remove and discard the gasket.
16.
Oil Filter Base Installation
CAUTION
THE LETTERS ON THE GASKET
MUST FACE THE OIL FILTER BASE
TO PREVENT OIL LEAKAGE AND
OIL STARVATION.
A.
Mount the oil filter base with a new gasket on the
mounting pad where shown in Figure 11 with three
bolts, flat washers, and new lock washers.
Figure 11
Oil Filter Base
