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MAINTENANCE
SECTION 8
Page3
AI R CLEANING SYSTEM
AIR CLEANERS
This machine is equipped with two "dry-type" air cleaners
(Illust. 1) with replaceable filter elements. Each air cleaner
has two elements; outer and inner. The outer element can be
cleaned for a limited number of times before replacement is
necessary; however, the inner element must be replaced
when plugged. Detailed service procedures for the air
cleanersare covered in the following text.
Precautions
As a precaution against dirt entering the engine:
All connections between the air cleaner and the engine must
be tight.
Never operate the engine unless the filter elements are in
place.
Outer Filter Element Service
The air cleaner outer element must be serviced whenever
indicated by the air cleaner service indicator. Refer to "Air
CleanerService Indicator" in Section 3.
The outer element can be cleanedby either of two methods;
washingor compressedair.
Washingis the preferred method,as it removesmore dust and
soot and restores the element to an almost new condition
the
result being better performance and longer intervals
between required element service. It is suggestedthat a spare
element be available for use while the serviced element is
drying. This will reduce unit down-time to only a few
minutes and will allow sufficient time to properly servicethe
restricted element.
NOTE: A filter element must be replaced after three
washings.
Cleaning the element with compressedair is not considered
an entirely satisfactory method. Some dust and soot will
remain in the element,causingmore frequent servicing of the
element. Use this method only asa temporary measureuntil
sufficient time is available to clean the element by washing.
NOTE: After cleaning, if an element is to be stored for
later use,place it in a plastic bagand store in an element
shipping container to protect against dirt and damage.
Removal (lIIust. 1)
1. Stop the engine. Wipe off any dust accumulation from the
cover (11) and removethe cover and gasket (10).
2. Check the condition of the cover gasket (10). If damaged,
replace it.
3. Removewing nut (9) along with gasket (8).
4. Removethe outer element (7). Be careful not to dislodge
dust from the dirty element onto the smaller element (3).
5. Check the condition of the gasketon the end of the outer
element. If the gasket is damaged or missing, replace the
element.
6. Wipe the inside of the body (2) with a clean, damp cloth.
A small amount of nonsudsing detergent added to the water
will facilitate the removal of soot.
Washing
NOTE: Never wash elements in fuel oil, gasor solvent.
DO NOT OIL ELEMENTS. Do not attempt to take
elements apart. Do not tap the element against a hard
surface;this will damagethe element.
1. Tap the side or end of the element against the palm of
your hand to remove loosedust.
2. Washthe element in clean, warm water (+70 degreesF to
+100 degrees F.). A small amount of nonsudsing detergent
added to the water will removethe soot.
3. Rinse the element in clean water (if a hose is used,do not
exceed 40 psi). Shakethe element carefully to removeexcess
water.
(Continued on next page)
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