3-31. SERVICE OUTLET AIR FILTER. This task covers service:
Strap wrench (Appx C, Sec Ill, Item 62)
COMPRESSOR ON/OFF switch in OFF position.
General Safety Instructions:
Filter, Outlet (Appx E, Sec Il, Item 40)
Observe specific Warning in text.
a. Be certain COMPRESSOR OFF/ON switch (3) is OFF.
The air manual blowdown valve must be bled (opened) before removing the filter top
plug. Failure to do so will result in the cap being blown off which could cause serious
Make certain air tank valve is closed.
b. Open air manual blowdown valve (1) to release air pressure. Leave open.
Do not turn vent knob on top of plug.
c. Unscrew plug (2). Remove and throw away old filter (5).
a. Install new filter (5) and reinstall top plug (2)
b. Close air manual blowdown valve(1).
c. Air storage valve (4) open.
d. Turn COMPRESSOR OFF/ON switch (3) ON. Notify unit maintenance if compressor malfunctions.
Figure 3-18. Service Outlet Air Filter