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Maintenance Instructions CLEANING
Engine Air Cleaner System
Cummins/Fleetguard OptiAir™ Air Cleaner
A remote mounted Cummins/Fleetguard OptiAir™
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,
eliminating the possibility of dust leaks due to
improper filter installation. Intake design, internal
baffling, and a dust ejection valve provide dust
separation and automatic precleaning action. Daily
or frequent servicing of the air cleaner is not
required. Use the air filter restriction gauge on the
air cleaner outlet to indicate when the air filter needs
servicing -- a yellow indicator will show when the
filter is overly restricting airflow into the engine.
IMPORTANT: Use only Cummins/Fleetguard air
filter elements for replacement (Walker 2090-1 and
2090-3). Aftermarket filters may not seal properly or
filter efficiently.
IMPORTANT: The Cummins/Fleetguard air cleaner
uses a dry paper-type air filter element. NEVER
apply oil to the paper element.
Air Filter
Restriction Gauge
Push Button to Reset
Indicator After Service
Air Filter Restriction Gauge Location
Engine Air Cleaner System Components
Hose
Clamps
Air Cleaner
Cartridge
Safety
Filter
Air Cleaner
Band
Cummins/Fleetguard
Air Cleaner
Cummins/Fleetguard
Air Cleaner Cover
Engine
Flex
Hose
Dust Ejection
Valve
Air Filter
Restriction Gauge
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