TM 55-1520-240-23-7
8-26
PURGE PITOT-STATIC AND SIDESLIP SENSE SYSTEMS
(Continued)
8-26
14.
Connect compressed air source (12) to No. 2
AFCS computer pitot line (8).
15.
Turn on dry air source (12). Adjust to 45
psi. Check that air flows from pitot lines, until
moisture and other contaminates are removed at
the following locations:
a.
Lower fuselage No. 2 pitot system drain (25).
b.
No. 2 pitot mast extension drain (26).
c.
No. 2 pitot tube (27) and pitot tube drain hole
(28).
d.
Pitot line to copilots airspeed indicator (19).
16.
Turn off air source (12).
17.
Disconnect air source (12) from No. 2 AFCS
computer pitot line (8).
8-87