Maintenance
Air Filter & Pre-Cleaner Service
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.
1. Unscrew the four knobs (A, Figure 19) by turning
counterclockwise.
©
Figure 19. Air Filter Assembly
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.
Replace Spark Plug
Service Interval: Yearly
Spark Plug Gap: .030" (.76 mm)
Replacement Spark Plug: Champion RC12YC
1. Stop the engine and allow it to cool.
2. Clean the area around the spark plug (see Figure 20).
3. Remove the spark plug.
4. Check the spark plug gap. It should be .030" (.76
mm).
5. Reinstall the plug into the cylinder head. Tighten the
plug to 180 in-lbs (20 Nm).
_ .030"
I _ _ ( 76 rnrn)
Figure 20. Spark Plug Gapping
23
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