Page 78
DESCRIPTION AND OPERATION
OIL COOLER
The oil cooler is a plate-type assembly that has a
stainless steel housing and integral water inlet
and outlet tubes. The cooler bolts directly to the
aluminum oil filter mounting bracket with two bolts
at each one of the oil ports.
93
Figure 93 — Plate-Type Oil Cooler Assembly
A 2-1/4-inch diameter steel coolant tube connects
the oil cooler water outlet to the water pump inlet
(Figure 94). The flange end of the tube which
bolts to the water pump inlet is sealed with an
O-ring. A short section of hose and clamps is
used to connect the tube to the oil cooler outlet.
The most commonly used AC tube configuration
has the water line to the surge tank coming off of
a fitting on the thermostat housing. Other chassis
models use variations of this configuration.
5-111.bk Page 78 Monday, July 10, 2006 2:26 PM
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