13
Figure 19. Dipstick Reinstallation.
Correct Incorrect
Gasket
(at)
Dipstick/
Oil Fill Plug
Gasket
(distorted)
Dipstick/
Oil Fill Plug
Oil Sentry™
SomeenginesareequippedwithanoptionalOil
Sentry™oillevelswitch.Iftheoilleveldropsbelow
anacceptablelevel,theOilSentry™willeithershuto
the engine or activate a warning signal, depending on
the application.
NOTE: ChecktheoillevelBEFORE EACH USE and
maintain to the correct level. This includes
enginesequippedwithOilSentry™.
Service Precleaner and Air Cleaner
Element
These engines are equipped with a replaceable, high
densitypaperaircleanerelement.Someengines
are also equipped with a foam precleaner which
surroundsthepaperelement.SeeFigure20.
Checktheaircleanerdaily or before starting the
engine.Checkforabuildupofdirtanddebrisaround
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
aircleanercomponentscouldallowunltered
air into the engine causing premature wear
and failure.
Service Precleaner (if equipped)
Wash and dry the precleaner every 50 hours of
operation(moreoenunderextremelydustyordirty
conditions).
1. Remove the top wing nut and air cleaner cover.
SeeFigure20.
2. Removethewingnutandspecialwasher.
3. Removetheprecleanerfromthepaperelement.
4. Washtheprecleanerinwarmwaterwith
detergent. Rinse the precleaner thoroughly until
alltracesofdetergentareeliminated.Squeezeout
excesswater(donotwring).Allowtheprecleaner
to air dry. Do not oil precleaner.
5. Reinstalltheprecleaneroverthepaperelement.
6. Slidetheprecleanerandpaperelementontothe
aircleanerstud.Securewithspecialwasherand
wingnut.SeeFigure20.
Figure 20. Air Cleaner Element and Precleaner.
Precleaner
Paper
Element
Air Cleaner
Stud
Wing Nut
Air
Cleaner
Cover
Wing Nut
Special Washer
Air Cleaner
Base
5. Reinstallthedipstick/oilllplugandtighten
securely.SeeFigure19.
NOTE: Overtighteningthedipstick/oilllplug
will distort the gasket and may cause oil
weeping.
7. Reinstall the air cleaner cover and secure with
wing nut.