Maintenance Instructions LUBRICATION/CLEANING
49
Air Restriction Gauge Location
Clean and inspect the paper element after every
100 hours of service and replace the element
yearly or after six (6) cleanings (or when dirty or
damaged). More frequent cleaning may be required
when operating in extremely dusty conditions as
indicated by a loss of engine power. Service the air
cleaner as follows:
1. Release the top and bottom cover latches and
remove the air cleaner cover. Wash the cover
and Vacuator™ valve. Check that these com-
ponents are in good condition. The Vacuator™
valve is subject to wear and deterioration and
should be replaced yearly or when damaged.
The lips of the valve should close and fit
together; any cracks, deformation, or wear in the
valve is cause for replacement.
2. Remove the filter element by pulling it out of the
canister. There will be some initial resistance as
the filter seal breaks loose and slides off of the
outlet tube. Gently move the end of the filter up
and down and side to side or twist to loosen the
seal. Use gentle action to minimize the amount
of dust dislodged as the filter is removed.
3. Clean the filter element using low pressure
compressed air [less than 100 PSI (689 kPa)].
Blow out the filter from the interior of the element
while turning the element.
NOTE: Washing the element in water or clean-
ing solution is not recommended. Replace the
element if it does not clean up with compressed
air.
4. Use a bright light inside the element to inspect
for damage. Check the element very carefully
for pin holes or other damage that will allow
dirt to leak through the paper media. Replace
element if necessary.
5. Check the condition and resilience of the radial
sealing surface (inside of the open end) of the fil-
ter. Replace the filter if any cracks, tears, or
other damage to the sealing surface are noted.
6. Use a clean, damp cloth and wipe the interior of
the air cleaner canister clean. Use special care
to clean both the inside and outside surfaces
of the outlet tube.
IMPORTANT: Any dust left on the inside of the
outlet tube will go into the engine and cause
wear.
7. Check the outside surface of the outlet tube for
smoothness and cleanness (this is the sealing
surface).
8. Insert and seat the filter element carefully into
the canister, applying pressure at the outer rim
of the filter; not at the flexible center. Make sure
the filter element is completely in place before
installing the cover.
IMPORTANT: DO NOT use the cover latches
to force the filter into the canister -- the cover
should fit on with no extra force.
NOTE: DO NOT use petroleum based lubri-
cants on the sealing surfaces of the filter; use tal-
cum powder or dry silicone lubricants if required
for filter installation.
Air Filter Element Replacement
Air Restriction
Gauge
Push Button to Reset
Indicator After Service
Radial Sealing
Surface
Radialseal™
Filter Element
Outlet Tube
Canister
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