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When the thrust levers are not at idle, the reverse control levers are mechanically-locked in the
stowed position.
When the thrust levers are at idle, thrust reverse operation can be controlled by pulling the
reverse control levers backwards.
A detent indicates the reverse idle position to the crew.
For reverse thrust application, the reverse control levers are pulled back, as required.
For stowage of reverse, the levers are moved forward then pushed down.
(3) Autothrust instinctive disconnect pushbutton
Refer to STLO-22_30_R-90-B A/THR DISCONNECT - GENERAL
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
POWER PLANT
A330 CONTROLS AND INDICATORS (RR, PW)
A330/A340 FLEET DSC-70-91 P 2/18
FCOM 19 AUG 10
(1) ENG START selector
CRANK : The start valve opens, provided the MAN START pushbutton is ON.
Ignition is not supplied. Both pack flow control valves close when CRANK
is selected, provided the MAN START pushbutton is ON.
NORM : Continuous ignition A + B is automatically selected :
The ENG ANTI ICE pushbutton is ‐ ON and relevant EIU is inoperative.
‐ For 10 s, in the event of an engine flame-out condition, detected by the
FADEC (auto-relight function)
‐ For 10 s, in the event of inadvertent cycling of the Master lever with the
engine running, provided N3 is above 50 % and Master lever has been
returned to the ON position.
IGN􀀃START􀀃:􀀃:􀀃‐􀀃If􀀃the􀀃engine􀀃master􀀃switch􀀃is􀀃ON,􀀃and􀀃N3􀀃≥􀀃idle,􀀃continuous􀀃ignition􀀃is
selected.
‐ During an automatic start, the ignition will be selected :
•􀀃On􀀃ground,􀀃when􀀃N3􀀃≥􀀃25􀀃%􀀃
• In flight, at start sequence initiation (engine master switch selected
ON).
‐ During a manual start, the ignition is selected when the engine master
switch is selected ON.
Both pack flow control valves automatically close during the start sequence (Refer to
DSC-21-20-30 AUTOMATIC PRESSURE CONTROL MODE). APU speed (if used) increases.
Note: On ground, the ignition is automatically cut off at the end of the start sequence (N3 ≥
50 %)
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
POWER PLANT
A330 CONTROLS AND INDICATORS (RR, PW)
A330/A340 FLEET DSC-70-91 P 3/18
FCOM 19 AUG 10
(2) ENG MASTER sw 1 (2)
ON : Low pressure fuel valve opens (if the ENG FIRE pushbutton is in).
‐ During an automatic start, the High-Pressure (HP) fuel valve
opens if :
• The ENG START selector is at IGN / START
• N3 is above 25 %
‐ During a manual start, the HP fuel valve opens, if :
• The ENG START selector is at IGN / START
• The MAN START pushbutton is ON
OFF : A Closure signal is sent directly to the HP fuel valve and the LP fuel
valve. This controls the reset of both channels of the FADEC.
Note: Releasing the ENG FIRE pushbutton allows flight crew to shut down the engine
by closing the LP fuel valve. There is a time delay of about 80 s at ground idle
(the time delay is due to fuel left between the LP valve and the nozzles)
(3) FIRE FAULT lt 1 (2)
FAULT lt : Comes on in amber, and is associated with an ECAM caution, in
case of:
‐ An automatic start abort
‐ A disagree between the HP fuel valve position and its commanded
position.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
POWER PLANT
A330 CONTROLS AND INDICATORS (RR, PW)
A330/A340 FLEET DSC-70-91 P 4/18
FCOM 19 AUG 10
OVERHEAD PANEL
Applicable to: ,
(1) ENG MAN START pb sw
ON : The start valve opens provided ENG START selector is set to CRANK or
IGN/START.
Both pack valves close during the start sequence.
Note: The start valve closes automatically when N3 reaches 50 %.
ON light illuminates blue.
Off : When the ENG MAN START pushbutton is set OFF during a manual
engine start, the start valve closes provided the engine master switch is at
OFF position.
(2) N1 MODE pb sw
ON : Thrust control reverts from EPR mode to N1 rated mode. Following
an automatic reversion to N1, rated or unrated mode, pressing the
pushbutton confirms the mode.
ON light illuminates blue.
Off : The FADEC controls the engine in EPR mode, if available.
(3) ENG FADEC GND PWR pb sw
ON : The FADEC is supplied by the aircraft network for 5 min (except if
the ENG FIRE pushbutton is released out, or if FADEC Generator is
available). The ON light illuminates with a delay of 2 s.
A330/A340 FLIGHT CREW
　
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