*REFER TO CHECK SHEET FIRST
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AIR FILTER MAINTENANCE
NOTE: It's the customer's responsibilty to
follow all steps of air filter maintenance as
required, depending on the operating condi-
tions.
Low pre-cleaner efficiency will cause short
element life. Low pre-cleaning efficiency
can be caused by:
1. Leaking dust cup to air cleaner body
joint; cup must seal 360° around the air
cleaner.
2. A damaged or missing dust evacuator
valve.
3. Plugging or buildup in the vanes of the
pre-cleaner.
4. Damage to the pre-cleaning section of
the air cleaner.
THE PROBLEM OF AIRBORNE
CONTAMINANTS ENTERING THE
ENGINE
1. Check to make sure the element has not
been damaged in handling. Examine
for dents and holes.
2. Check to make sure all gaskets are
sealing. Examine for dust trails which
indicate leaks. Check to be certain wing
nut is tight.
3. Examine the clean air transfer tubing for
cracks, loose clamps, or loose flange
joints.
4. Check ether fittings (if used) to be cer-
tain no contaminants are entering the
engine through these connections.
5. Check the service indicator for damage,
working lock-up function, and correct
calibration per engine manufacturers
recommendation.
SAFETY MAINTENANCE
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