Kohler COMMAND CH745 Manuale d'uso - Pagina 11

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Kohler COMMAND CH745 Manuale d'uso
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.
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.
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. Cleaning Oil Cooler.
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. Some
engines use the heavy-duty air cleaner system. See
Figure 13.
Cover Knob
Air Cleaner
Cover
Element Cover
Element
Figure 11. Air Cleaner System Components.
Check the air cleaner daily or before starting the
engine. Check for a buildup of dirt and debris around
the air cleaner system. Keep this area clean. Also check
for loose or damaged components. Replace all bent or
damaged air cleaner components.
NOTE: Operating the engine with loose or damaged
air cleaner components could allow
unfiltered air into the engine causing
premature wear and failure.
Service Precleaner
If so equipped, wash and reoil the precleaner every 25
hours of operation (more often under extremely dusty
or dirty conditions).
1. Loosen the cover retaining knob and remove the
cover.
2. Remove the precleaner from the paper element.
3. Wash the precleaner in warm water with
detergent. Rinse the precleaner thoroughly until
all traces of detergent are eliminated. Squeeze out
excess water (do not wring). Allow the precleaner
to air dry.
4. Saturate the precleaner with new engine oil.
Squeeze out all excess oil.
5. Reinstall the precleaner over the paper element.
6. Reinstall the air cleaner cover. Secure cover with
the cover retaining knob.
7. When precleaner replacement is necessary, order
genuine Kohler parts.
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