Service Precleaner And Air Cleaner Element - Kohler COMMAND 20-25 HP Owner's Manual

8. Test run the engine to check for leaks. Stop the
engine, allow a minute for the oil to drain down,
and recheck the level on the dipstick. Add more oil
as necessary so the oil level is up to but not over
the "F" mark on the dipstick.

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 Figures 8 and 9.
Air Cleaner Cover
Figure 8. Air Cleaner Housing Components.
Element Cover
Element
Figure 9. 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).
Air Cleaner Cover Knob
Element Cover Nut
Precleaner
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.
CH20-22
24 083 02-S
Service Paper Element
Every 100 hours of operation (more often under
extremely dusty or dirty conditions) replace the paper
element.
1. Loosen the cover retaining knob and remove the
air cleaner cover.
2. Remove the element cover nut, element cover,
and paper element/precleaner.
3. Remove the precleaner (if so equipped) from the
paper element and service as instructed above.
4. Do not wash the paper element or use
pressurized air, as this will damage the element.
Replace a dirty, bent, or damaged element with a
genuine Kohler element. Handle new elements
carefully; do not use if the sealing surfaces are
bent or damaged.
5. When servicing the air cleaner, check the air
cleaner base. Make sure it is secured and not
bent or damaged. Also, check the element cover
for damage or improper fit. Replace all damaged
air cleaner components.
NOTE: Before air cleaner reassembly make sure
rubber seal is in position around stud.
Inspect, making sure it is not damaged
and seals with the element cover.
6. Reinstall the paper element, precleaner, element
cover, element cover nut, and air cleaner cover.
Secure cover with cover retaining knob.
CH25
24 083 05-S
11