Honda TRX680FA Service Manual page 116

LUBRICATION SYSTEM
Check the oil cooler hose joints and seams for leaks.
Check the oil cooler air passage for clogging or
damage.
Straighten bent fins using a small flat blade screw-
driver and remove insects, mud or other obstruc-
tions with compressed air or low pressure water.
Remove the bolts and oil pipes from the oil cooler.
Remove the O-rings from the oil pipes.
OIL COOLER
Remove the four mounting screws and oil cooler
from the radiator.
INSTALLATION
Install the oil cooler onto the radiator and tighten
the mounting screws securely.
SCREWS
Coat new O-rings with oil and install them onto the
oil pipes.
Install the oil pipes onto the oil cooler and tighten
the bolts securely.
Install the removed parts in the reverse order of
removal.
Check the oil level and add the recommended oil if
the level is low (page 4-10).
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