25
Regular Maintenance
Figure 26. Air Filter Assembly - Briggs & Stratton
Twin Cylinder Models
A. Knobs
B. Air Filter Cover
C. Air Filter
D. Pre-Cleaner
Air Filter & Pre-Cleaner Service
BRIGGS & STRATTON TWO CYLINDER MODELS
Service Interval:
Pre-Cleaner: Every 25 hours or as
required. Air Filter: Every 50 hours or as required.
Replacement Interval:
Pre-Cleaner: As required. Air
Filter: Every 200 hours or once per season.
Air Filter Removal & Installation
1. Unscrew the four knobs (A, Figure 26) by turning
counter clockwise.
2. Remove the cover (B). Remove the filter (C) and
pre-cleaner (D).
3. Install the pre-cleaner (D) with the mesh side up.
Install the filter (C) as shown.
4. Install the cover (B) making sure the tabs are inserted
into their slots. Secure by turning screws clockwise
until snug.
B
C
D
A
1.
Pre-Cleaner
Air Filter
1.
2.
2.
Figure 27. Air Filter Service
Pre-Cleaner Service
NOTE: Replace a worn or damaged pre-cleaner.
1. Figure 27. Wash the pre-cleaner in liquid detergent
and water.
2. Squeeze the pre-cleaner dry and saturate with engine
oil. Remove all excess oil by squeezing the pre-
cleaner in an absorbent cloth.
Air Filter Service
NOTE: Replace a worn or damaged air filter.
1. Figure 27. If stamped “Washable,” the filter can be
washed with warm water and mild soap.
2. Rinse with tap water with the screen side UP allowing
dirt and debris to filter out.
3. Allow the filter to dry overnight before reinstalling.