Walker R21 - Replace Engine Air Filter

R21 Maintenance
43
4. Wash precleaner in warm water with deter-
gent. Rinse and allow to air dry. (Do not
wring dry.)
5. Lightly oil precleaner with new engine oil;
squeeze foam to distribute oil and remove
excess oil.
6. Reinstall the precleaner over the paper lter
element.
7. Position the air cleaner cover with the levers
facing outward over the air cleaner. Rotate
the levers inward to lock the cover into place.
Replace Engine Air Filter
Frequency: Every 75 hours or more often in
extremely dusty or dirty conditions
NOTE: This lter cannot be blown off with com-
pressed air. It must be replaced if dirty or dam-
aged.
1. With the engine stopped, rotate the levers on
the engine air cleaner cover outward to unlock
the cover. Remove the cover.
2. Slide the precleaner off of the paper lter
element and service the precleaner using the
steps provided in the section “Clean/Replace
Engine Precleaner Air Filter” on page 42.
3. Remove the paper lter element from the base
and discard it.
4. Install the serviced precleaner over the new
paper lter element, and install them together
on the base. Use ONLY the recommended
Kohler replacement lter. (Kohler P/N 16 083
04-S)
5. Position the air cleaner cover with the levers
facing outward over the air cleaner. Rotate
the levers inward to lock the cover into place.
Paper
Air Filter
Engine Air Filter