Kohler Command PRO CH749, Service Manual

Page: 31 / 154

4.3
Section 4
Air Cleaner and Air Intake System
4
Service
Check the air cleaner daily or before starting the
engine . Check for and correct any buildup of dirt and
debris, along with loose or damaged components.
NOTE: Operating the engine with loose or
damaged air cleaner components could
allow un
fi ltered air into the engine causing
premature wear and failure.
Precleaner Service
If so equipped, wash and reoil the precleaner every 25
hours of operation (more o ft en under extremely dusty
or dirty conditions).
To service the precleaner, see Figures 4-7, 4-8 and 4-9
and perform the following steps:
Air Cleaner Element
Precleaner Element
Figure 4-8. Precleaner on Low-Profi le Air Cleaner.
Cover
Wing
Nut
Precleaner
Element
Air
Cleaner
Element
Element
Cover
Stud
Seal
Air
Cleaner
Base
Retaining Knob
Figure 4-7. Low-Profi le Air Cleaner Exploded View.
Figure 4-9. Base Plate Removal on Low-Profi le Air
Cleaner.
1. Loosen the cover retaining knob and remove the
cover.
2. Remove the foam precleaner from the paper air
cleaner 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 air cleaner
element.
6. Reinstall the air cleaner cover. Secure the cover
with the retaining knob.
Paper Element Service
Every 100 hours of operation (more o ft en under
extremely dusty or dirty conditions), replace the paper
element. See Figure 4-8, and follow these steps:
1. Loosen the cover retaining knob and remove the
cover.
2. Remove the wing nut, element cover, and air
cleaner element.
3. Remove the precleaner from the paper element.
Service the precleaner as described in Precleaner
Service .
Mounting
Nuts (3)
Bracket
Mounting
Screws