26–04 Eaton Fuller
Transmission Air Filter/
Regulator Element
Cleaning
NOTE: Eaton Fuller FS/FO and T/TX transmis-
sions do not have an air filter/regulator element
that can be serviced.
WARNING
Exhaust the air supply before servicing the air
filter/regulator; otherwise, serious personal injury
and component damage could result.
1.
Exhaust the air from the air reservoirs.
2.
Clean the outside of the air filter/regulator with
cleaning solvent, then let it air dry. See
3.
Remove the end cap, large O-ring, and filter ele-
ment from the filter housing. See
. 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 the air pressure between 57 to 62 psi (396
to 431 kPa), replace the air filter/regulator. It
cannot be repaired.
4.
Clean the filter element.
4.1
Dip the filter element in alcohol or other
cleaning solvent. Blow compressed air
through the filter element (inside to out-
side) to loosen surface dirt and to dry the
element. The sintered metallic filter ele-
f260007a
05/27/93
NOTE: Location of the transmission breather will vary
depending on transmission model.
Fig. 3, Transmission Breather (Eaton Fuller shown)
f260037a
10/05/2016
NOTE: Location of the air filter/regulator will vary de-
pending on transmission model.
Fig. 4, Eaton Fuller Transmission Air Filter/Regulator
Location
1
2
3
4
5
6
7
f260052a
10/17/2001
1.
Air Regulator
2.
Housing
3.
Large O-Ring
4.
Filter Element
5.
Small O-Ring
6.
End Cap
7.
Plug
Fig. 5, Eaton Fuller Transmission Air Filter/Regulator
Components
Transmission
26
Business Class M2 Maintenance Manual, March 2016
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Property of American Airlines
