Craftsman 107.277700 - Manual (Page 24)

SERVICE AIR FILTER PRE-CLEANER
Service interval: 25 Hours or as required.
1. Loosen the air filter cover knob and remove the cover
(A, Figure 26). Clean out any debris from around the
air filter. Inspect the condition of the sealing surfaces
of the air filter element (D) and filter base. Replace
any damaged parts.
2. Remove the foam pre-cleaner (B) from the air filter
element (D).
3. Wash the pre-cleaner (B) with warm water and deter­
gent. Rinse thoroughly. Squeeze out all excess
water. DO NOT wring out. Allow the pre-cleaner to air
dry.
4. Saturate the pre-cleaner with new engine oil.
Squeeze out the excess oil. DO NOT wring out.
Squeeze the pre-cleaner in a paper towel until all
excess oil has been removed.
5. Reinstall the pre-cleaner (B) over the air filter (D).
6. Reinstall the air cleaner cover (A).
REPLACE AIR FILTER
Service Interval: 100 Hours or as required.
1. Loosen the air filter cover knob and remove the cover
(A, Figure 26). Clean out any debris from around the
air filter. Inspect the condition of the sealing surfaces
of the air filter (D) and filter base. Replace any dam­
aged parts.
2. Remove the foam pre-cleaner (B) from the air filter
element. Service the pre-cleaner as described in
SERVICE AIR FILTER PRE-CLEANER above.
3. Remove the wing nut (C). Remove and replace the
air filter (D).
4. Reinstall the wingnut (C) and pre-cleaner (B).
5. Reinstall the air cleaner cover (A).
Figure 26. Air Filter Assembly
A. Air Filter Cover & Knob
B. Foam Pre-Cleaner
C. Wingnut with Locking Material
D. Air Filter
E. Rubber Seal
F. Stud
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