FITTING, FUEL TANK 7.
Fuel Tube Assemblies, Hose Assemblies, and
b. Scavenge Bleed Air. A small
c. Load Control Valve (LCV). The
amount of bleed air is continually used
LCV is controlled by the electronic con-
The ECU receives a
trol unit (ECU).
is running. Bleed air is routed to six
signal to open the LCV when the PNEU-
nozzles (6) on the bottom of the air
MATIC POWER switch on the control panel
cleaner. Air flowing through these noz-
is set to ON position. The LCV consists
zles creates a partial vacuum inside the
of a housing containing a filter (15), a
air cleaner housing.
This pulls dirt
separated by the centrifugal air cleaner
strictor, a rate control orifice, a
tubes (8) out of the housing, and expels
torque motor (12), and a pneumatic actu-
the dirt out scavenge tubes (9) on the
through a passage in the valve housing