4.1
4
Section 4
Air Cleaner and Air Intake System
Air Cleaner
General
These engines are equipped with one of two air
cleaner confi gurations; the Quad-Clean
™
, a four-stage
heavy-duty cyclonic air cleaner, or the low-profi le air
cleaner.
Quad-Clean
™
Air Cleaner
General
These engines are equipped with a replaceable, high-
density paper air cleaner element. Some engines are
also equipped with a preoiled, foam precleaner which
surrounds the paper element. See Figure 4-1. The
system is CARB/EPA certifi ed and the components
should not be altered or modifi ed in any way.
Figure 4-1. Air Cleaner Element and Precleaner.
Precleaner
(If Equipped)
Paper Element
Air Cleaner
Base
Service
Check the air cleaner daily or before starting the
engine. Check for a buildup of dirt and debris around
the air cleaner system. Keep this area clean. Also check
for loose or damaged components. Replace all bent or
damaged air cleaner components.
NOTE: Operating the engine with loose or
damaged air cleaner components could
allow unfi ltered air into the engine causing
premature wear and failure.
Service Precleaner (If Equipped)
Wash the precleaner every 50 hours of operation
(more o en under extremely dusty or dirty conditions).
1. Remove the air cleaner cover. Move the bails on
the air cleaner cover down. Remove the latches
from under the tabs of the air cleaner base. Li
and remove the air cleaner cover from the air
cleaner base. See Figure 4-2.
Figure 4-2. Air Cleaner Cover Removal.
2. Remove the precleaner from the paper element.
3. Wash the precleaner in warm water with
detergent. Rinse the precleaner thoroughly until
all traces of detergent are eliminated. Squeeze out
excess water (do not wring). Allow the precleaner
to air dry.
Air Cleaner Cover
Latch
Latch
BailBail
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