PURGE PITOT-STATIC AND SIDESLIP SENSE SYSTEMS
Turn on dry air source (12). Adjust air to 45
psi. Check that air flows from static lines until
moisture and other contaminates are removed at
the following locations:
No. 2 AFCS static pressure line (8).
Radio compartment static system drains (13
No. 1 and No. 2 static ports, No. 1 (15) is
Lower fuselage at static system drain (16).
Static pressure lines at pilots and copilots
altimeters (17) vertical speed indicators (18).
Static pressure line at pilots airspeed
Static pressure line at copilots airspeed
Turn off air source (12).
Disconnect air source (12) from No. 1 AFCS
computer static pressure line (3).