4.1
Section 4
Air Cleaner and Air Intake System
4
Section 4
Air Cleaner and Air Intake System
SV470-600
Air Cleaner
These engines are equipped with a replaceable, high
density, paper air cleaner element. Some engines also
have an oiled, foam precleaner, located in the outer air
cleaner cover. See Figure 4-1.
Figure 4-1. Air Cleaner Assembly - Exploded View.
Check the air cleaner daily or before starting the
engine. Check for and correct any buildup of dirt and
debris, and loose or damaged components.
NOTE: Operating the engine with loose or damaged
air cleaner components could allow unfiltered
air into the engine causing premature wear
and failure.
Intake air is drawn in through the upper opening from
the blower housing, passes through the precleaner (if
so equipped), the paper element and then into the
carburetor. The outer air cleaner cover is secured by
two knobs, and removed by turning the knobs
counterclockwise.
Air
Cleaner
Cover
Knobs
Air Cleaner Cover
Optional Foam Precleaner
Air Cleaner Element
Air Cleaner
Base
Precleaner Service
If so equipped, wash and oil the precleaner every two
months or every 25 hours of operation (more often
under extremely dusty or dirty conditions).
1. Loosen the air cleaner cover knobs and remove
the cover.
2. Remove the precleaner.
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