Maintenance WM 80
26 wc_tx000520gb.fm
3.8 Three-Stage Air Cleaners
See Graphic: wc_gr001168
NEVER use gasoline or other types of low flash point solvents for
cleaning the air filter. A fire or explosion could result.
NOTICE: NEVER run engine without main paper filter element (b).
Severe engine damage will occur.
Filter Indicator
The air intake system is equipped with a filter indicator (h), which
indicates when a filter change is required. Replace the main paper filter
element (b) when the yellow plunger of the indicator appears in or near
the red line. Push and hold in the yellow plunger on top of the indicator
to reset it after replacing the main paper filter element.
Clean elements using the following procedure:
3.8.1 Remove the air cleaner cover (a). Remove the main paper filter
element (b) and the secondary prefilter (c) and inspect them for holes
or tears. Replace the elements if they are damaged.
3.8.2 Main paper filter element (b): Replace the main paper filter element if
it appears heavily soiled and/or when the yellow plunger of indicator
appears in or near the red line.
3.8.3 Prefilter (c): Clean it with low-pressure compressed air. When the
prefilter is very soiled, wash it in a solution of mild detergent and warm
water. Rinse it thoroughly in clean water. Allow the prefilter to dry
thoroughly before reinstalling it.
Note: Do not oil the prefilter.
3.8.4 Wipe out the filter housing (d) with a clean cloth. Do not use
compressed air.
NOTICE: Do not allow dirt to get into the engine intake port (k) while
cleaning. Damage to engine will result.
3.8.5 Check that the precleaner debris ejector slot (i) is clear.
WARNING
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