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REPAIR INSTRUCTIONS
Page 217
DISASSEMBLY
Refer to Figure 221.
1. Remove the coolant inlet end cap (20) by
removing six capscrews (19).
2. Remove the coolant outlet end cap (2) by
removing six capscrews (26).
3. Remove the bundle (22) from the coolant
inlet end of the housing (24).
4. Remove the O-ring (3) from the coolant
outlet end of the housing.
5. Clean gasket material from all surfaces.
INSPECTION
1. Visually inspect the housing for cracks which
may cause a leak. Replace the housing if
damaged.
2. Pressure check the oil cooler for leaks by
installing a test plate with an air fitting as
follows:
a.
Position a rubber gasket (5) and test
plate (4) on the mounting flange (1) and
secure the plate with mounting
capscrews (2) as shown in Figure 222.
b.
Install a steel plate (2) with a rubber
gasket on the oil outlet opening. Secure
the plate to the housing (1) with two
capscrews (3) as shown in Figure 223.
c.
Connect an air line and pressurize the
assembly to 80 psi (552 kPa).
Submerge the assembly in water to
check for leaks.
222
Figure 222 — Installing Test Plate
When pressure testing the complete oil cooler
assembly using an in-line pressure regulator, first
apply pressure at 2–5 psi (14–34 kPa) maximum
and check for leaks. Then gradually increase the
pressure, checking for leaks until 80 psi
(552 kPa) is reached.
1. Mounting Flange
2. Capscrews
3. Air Fitting
4. Test Plate
5. Rubber Gasket
5_106_00.bk Page 217 Friday, August 4, 2000 11:17 AM
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