Western Star 47X 2020, Maintenance Manual

Page: 59 / 166

26–05 Eaton Fuller Manual
Transmission Air Filter/
Regulator Check,
Cleaning, or
Replacement
1. Apply the parking brakes, and chock the rear
tires. Drain the air reservoirs.
WARNING
Drain the air supply; if the air supply is not
drained before the air filter/regulator is serviced,
serious injury and component damage could re-
sult.
2. Clean the outside of the air filter/regulator with
cleaning solvent. See
Fig. 5 .
3. Remove the end cap, large O-ring, and filter ele-
ment from the filter housing. See
Fig. 6 . Remove
the small O-ring from the end cap.
NOTE: Do not remove, disassemble, or adjust
the air regulator. If the air regulator is not keep-
ing air pressure between 58 and 63 psi (400
and 435 kPa), replace the air filter/regulator. It
cannot be repaired.
WARNING
Wear safety goggles when using compressed air
to clean parts, as permanent harm to eyes could
result from flying debris.
4. Clean the filter element by dipping it in alcohol or
other cleaning solvent. Blow compressed air
1. Drain Plug
2. Fill Plug
3. Sight Glass
Fig. 3, Eaton Fuller Transmission With a Sight Glass
02/23/2015 f261461
A B
A. Full B. Low
Fig. 4, Transmission Fluid Level Sight Glass
f260037a 10/05/2016
Fig. 5, Air Filter/Regulator Location
Transmission
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47X and 49X Maintenance Manual, June 2021
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