4-26. AIR COUPLINGS AND PREFORMED PACKING (Con't)
ACTION
LOCATION
ITEM
REMARKS
WARNING
Always release air from system before working on air filter.
Failure to do so could result in personal injury.
NOTE
Air filters are no longer required. When air filters fail they will
be permanently replaced with a piece of air line nonmetallic
hose.
REMOVAL
1.
Emergency air
lnbound coupling
Using two
in. wrenches, unscrew and separate.
filter (8) at
nut (7) and
underside of
adapter (6)
gooseneck (1)
2.
Adapter (6)
in. wrench, unscrew and take out.
Using
3
Outbound coupling
Repeat steps 1 and 2.
nut (2) and
adapter (3)
4.
Mounting
Two screws (4)
Using
in. socket and handIe, unscrew
bracket (9)
and Iockwashers (5)
and take out. Discard screws (4), Iockwashers (5),
and air filter (8). Save adapters (3 and 6).
5.
Service air filter
Repeat steps 1 through 4.
(10) at underside
of gooseneck (1)