Hawker 800 XP, Руководство по подготовке пилотов

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The engine bleed-air system is interconnected
to the struts in such a manner that each en-
gine supplies air to opposing sides of the
strut pistons.
A solenoid valve is fitted in each strut. The
solenoid valves are normally in the closed
position when the RUDDER BIAS selector
switches (A and B) are set to their ON posi-
tions. The switches are located on the for-
ward extension of the center control pedestal
(Figure 15-6).
Accidental operation of the switches is pre-
vented by a guard on each switch. An amber
MWS warning, RUDDER BIAS is illuminated
when either RUDDER BIAS switch (A or B)
is set to the OFF position.
Should a leak occur in one supply line to a
strut, the resulting loss of air would create an
imbalance of forces which would bias the
rudder to one side.
Selecting the RUDDER BIAS switch on the af-
fected side to OFF equalizes the pressures on
both sides of the strut.
The strut on the good side then maintains a bal-
ance of forces on the rudder.
Electric Heating
An electric heater muff on each strut ensures
that ice will not prevent operation of the strut
or solenoid valve. Each muff has two elements
which are supplied separately from the L and
R PITOT/VANE HEAT switches on the roof
panel (Figure 15-7).
Each switch controls the power supply to
one heating element of each strut. See also
Table 15-1.
GUST LOCK SYSTEM
General
An aileron/elevator gust lock, attached to the
airplane structure, when connected to the left con-
trol wheel, prevents aileron and elevator move-
ment. Throttle lever movement is also restricted.
15-8
FOR TRAINING PURPOSES ONLY
HAWKER 800 XP PILOT TRAINING MANUAL
FlightSafety
international
RUDDER
BIAS
A RUDDER BIAS B
Figure 15-6. Rudder Bias Switches
PITOT/VANE HEAT
ON
OFF
L R
Figure 15-7. PITOT/VANE HEAT Switches