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A detent indicates to the crew the reverse idle position. For engines 1 and 4, this position
cannot be exceeded until complete deployement of the reversers of the two engines.
For reverse thrust application the reverse control levers are pulled rearward as required.
For stowage of reversers the levers are moved forward then pushed down.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
POWER PLANT
A340 CONTROLS AND INDICATORS (CFM)
A330/A340 FLEET DSC-70-92 P 2/16
FCOM 19 AUG 10
(3) Autothrust instinctive disconnect pb
Refer to STLO-22_30_R-90-B A/THR DISCONNECT - GENERAL
(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 selected, when the engine is running, and a
flame-out is detected.
IGN
START
:􀀃 􀀃If􀀃the􀀃engine􀀃master􀀃switch􀀃is􀀃ON􀀃and􀀃N2􀀃≥􀀃idle,􀀃continous‐ 􀀃ignition􀀃is
selected.
When the compressor delivery pressure (PS3) is high, the igniters are not
excited, even if the continuous ignition is selected and IGN is displayed in
green on the ECAM.
‐ During an automatic start, the ignition will be selected :
•􀀃On􀀃ground,􀀃when􀀃N2􀀃≥􀀃16􀀃%􀀃
• In flight, at start sequence initiation.
‐ 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
(N2 > 50 %).
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
POWER PLANT
A340 CONTROLS AND INDICATORS (CFM)
A330/A340 FLEET DSC-70-92 P 3/16
FCOM 19 AUG 10
(2) ENG MASTER sw 1 (2) (3) (4)
ON : Low pressure fuel valve will open (provided the ENG FIRE pushbutton is in).
‐ During an automatic start, the high pressure fuel valve opens provided :
• the ENG START selector is at IGN / START
• the N2 is above the following threshold :
▪􀀃on􀀃ground􀀃:􀀃22􀀃%􀀃
▪􀀃in􀀃flight􀀃:􀀃12􀀃%􀀃below􀀃20􀀃000􀀃ft,􀀃16􀀃%􀀃above􀀃20􀀃000􀀃ft.􀀃
‐ During a manual start, the high pressure fuel valve will open provided :
• ENG START selector is at IGN / START
• MAN START pushbutton is ON
OFF: A Closure signal is sent directly to the high pressure fuel valve and the low pressure
fuel valve.
Controls the reset of both channels of the FADEC.
Note: Releasing ENG FIRE pushbutton permits engine shutdown by closing the LP
fuel valve. There is a time delay of about 40 s at ground idle (the time delay
is due to fuel left between low pressure valve and nozzles)
(3) FIRE FAULT lt 1 (2) (3) (4)
FAULT lt : Illuminates amber associated with ECAM caution in case of:
‐ an automatic start abort
‐ a disagreement between the high pressure fuel valve position and its
commanded position.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
POWER PLANT
A340 CONTROLS AND INDICATORS (CFM)
A330/A340 FLEET DSC-70-92 P 4/16
FCOM 19 AUG 10
OVERHEAD PANEL
Applicable to:
(1) ENG MAN START pushbutton
ON : The start valve opens, provided the ENG START selector is set to CRANK or
IGN/START.
Both pack valves close during the start sequence.
Note: The start valve automatically closes when N2 ≥ 50 %.
The ON light comes on 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 in the OFF position.
(2) ENG FADEC GND PWR pushbutton
ON : The FADEC is supplied by the aircraft network for 15 min (unless the ENG FIRE
pushbutton is released out, or the FADEC Generator is available). The “ON” light
comes on with a delay of 2 s.
ECAM
Applicable to:
GENERAL
The engine primary parameters are permanently displayed on the upper ECAM.
The secondary parameters are displayed on the lower ECAM SD when selected automatically or
manually.
In case of all DMC ECAM channel failure the engine primary parameters can be displayed on each
　
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