Engine Air Filtration
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85
MEDIUM DUST AIR CLEANERS
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FKB Air Cleaners
Service Instructions
This servicing information is provided as a best practices guide. It is not intended to replace or supersede the
service instructions supplied by your engine or vehicle manufacturer.
1
Check the Restriction
Measure the restriction of the air
cleaner with a Donaldson filter
service indicator, service gauge, or a
water manometer. Replace the filter
only when the restriction level has
reached the maximum recommended
by the engine or equipment
manufacturer or on a regular service
schedule.
Remove the Primary
Filter
Unlatch and remove the
service cover on the FKB air
cleaner.
To remove the primary filter,
press and rotate the filter
counter-clockwise until free.
Then extract the primary
filter by slowly pulling it out
of the housing.
Note: Avoid dislodging contaminant from the filter as it
is removed from the air cleaner housing.
2
3
Clean out the
Vacuator
™
Valve
Remove the Vacuator Valve and
clean out any dust found in the
drop tube. Reinstall Vacuator
Valve or replace it if is worn or
damaged.
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