Oil Drain' Plug
oil cooler
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Service Oil Cooler
Some engines are equipped with an oil cooler. One
style of oil cooler mounts on the engine crankcase and
has the oil filter on it (See Figure 8). The other style of
oil cooler is mounted on the blower housing (See
Figure 9), separate from the oil filter.
Inspect and clean the oil cooler every 100 hours of
operation (more frequently under severe conditions).
Oil cooler must be kept free of debris.
To service the crankcase mounted oil cooler clean off
the outside fins with a brush or with compressed air.
Figure 9. Oil Drain Plugs, Oil Filter, and Oil Cooler
(CH26 shown),
Change Oil Filter
Replace the oil filter at least every other oil change
(every 200 hours of operation). Always use a
genuine Kohler oil filter, Part No. 12 050
OI-S.
Replace the oil filter as follows:
1.
Drain the oil from the engine crankcase.
2.
Allow the oil filter to drain.
3. Before removing the oil filter, clean the area
around the oil filter to keep dirt and debris out of
the engine. Remove the old filter. Wipe off the
surface where the oil filter mounts.
4.
Place a new replacement filter in a shallow pan
with the open end up. Pour new oil, of the proper
type, in through the threaded center hole. Stop
pouring when the oil reaches the bottom of the
threads. Allow a minute or two for the oil to be
absorbed by the filter material.
5.
Put a drop of oil on your fingertip and wipe it on
the rubber gasket.
6. Install the replacement oil filter to the filter adapter or
oil cooler. Turn the oil filter clockwise until the rubber
gasket contacts the filter adapter or oil cooler, then
tighten the filter an additional 2/3 to
1 turn.
7.
Reinstall the drain plug. Make sure it is tightened
to 13.6 N-m (10 ft, lb.) torque.
8 . Fill the crankcase with new oil of the proper type
to the " F mark on the dipstick.
9. Start the engine and check for oil leaks. Correct
any leaks before placing the engine into service.
Check oil level to be sure it is up to but not over
the " F mark.
To service the blower housing mounted oil cooler,
clean the outside of fins with a brush. Remove the two
screws holding the cooler unit to the blower housing.
Tilt the cooler downward as shown in Figure 10. Clean
the inside of cooler with a brush as shown in Figure 10
or with compressed air. After cleaning, reinstall oil
cooler to blower housing with two mounting screws.
Figure 10,
Service Precleaner and Air Cleaner Element
This engine is equipped with a replaceable, high
density paper air cleaner element. Most engines are
also equipped with an oiled, foam precleaner which
surrounds the paper element. See Figure 11.
Figure 11. Air Cleaner System Components,
10
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