Walker MT - Manual (Page 69)

Maintenance Instructions
CLEANING
65
Donaldson Radialseal™ Air Cleaner
A remote mounted Donaldson Radialseal™ air
cleaner provides the air filtering function. The paper
filter element slides over an outlet tube inside the air
cleaner canister with radial sealing action, eliminat-
ing the possibility of dust leaks due to improper filter
installation. Intake design, internal baffling, and a
Vacuator™ valve provide dust separation and auto-
matic precleaning action. Daily or frequent servic-
ing of the air cleaner is not required. Use the air
restriction gauge on the air cleaner outlet to indicate
when the air filter needs servicing -- a red flag will
appear when the filter is overly restricting airflow into
the engine.
IMPORTANT: Use only Donaldson air filter ele-
ments for replacement (Donaldson P822686 or
Walker 5090-1). Aftermarket filters may not seal
properly or filter efficiently.
Air Cleaner Components
(shown with cover being removed)
IMPORTANT: The Donaldson air cleaner uses a dry
paper-type air filter element. NEVER apply oil to the
paper element.
Air Restriction Gauge Location
Inspect the paper element after every 100 hours of
service and replace the element and safety filter
yearly (or when dirty or damaged). More frequent
replacement may be required when operating in ex-
tremely dusty conditions as indicated by the air re-
striction gauge. 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 togeth-
er; 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. Replace the filter element.
NOTE: Washing the element in water or clean-
ing solution is not recommended. Do not try to
clean the element with compressed air.
Canister
Cover
Vacuator™
Valve
Cover Latch
Radialseal™
Filter Element
Air Restriction
Gauge
Push Button to Reset
Indicator After Service