HYDRAULICS
8M-43
SECTION 8M. OIL COOLER
GENERAL
The oil cooler is mounted between the seat and
engine. When hydraulic oil overheats the viscosity of
the oil changes allowing the oil to become less effec-
tive. The oil cooler uses engine cooling fan to cool the
hydraulic oil as it circulates through the hydraulic sys-
tem (Figure 8M-1).
REMOVAL
1. Shut down the engine and remove the ignition
key. Allow the engine to cool completely.
2. Remove the radiator/oil cooler screen by remov-
ing the screen knobs.
3. Thoroughly clean the oil cooler and surrounding
area.
4. Carefully remove the oil cooler rubber iso-mounts.
5. Tag and disconnect the oil cooler hydraulic hoses.
Immediately plug the hoses and oil cooler to pre-
vent contamination of the hydraulic system.
6. Remove the oil cooler.
INSTALLATION
1. Position the oil cooler for installation of the
hydraulic hoses.
2. Remove plugs and using the tags created during
removal, connect the hydraulic hoses to the oil
cooler.
3. Install the rubber iso-mounts on the radiator sup-
port oil cool studs.
4. Install the oil cooler over the rubber iso-mounts.
5. Start the engine and check for leaks. Repair as
necessary.
6. Install the screen over the oil cooler and secure
with two knobs.
Figure 8M-1. Oil Cooler Mounting
Knob
Screen
Oil Cooler
Radiator
Support
Iso-Mount
8M
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