Pilot's Operating Handbook
Section 7
Description
Edition 0 - October 31, 2013
Rev. 4
Page 7.7.5
>> All
● NOT
E ●
The manual selector is driven by the fuel unit and is positioned on R or L mark
corresponding to the tank selected by the sequencer. Therefore, the pilot
continuously knows the tank which is operating.
●
Test for system proper operation
SHIFT push-button allows the pilot to test system proper operation anytime.
When the system operates, the fuel tank is changed when SHIFT push-button is
pressed once.
If airplane is on ground or in flight, low level CAS messages not visible, the new
selected tank remains operating and a new sequence is initiated.
● NOTE ●
This procedure allows the pilot to preferably choose the tank from which he
wants to take fuel.
●
In all cases, proper system operation is indicated by rotation of the manual selector.
Setting FUEL SEL switch to MAN position or setting FUEL TANK SELECTOR to OFF
position leads to system de-activating and appearance of
AUTO SEL .
AUTO SEL also lights on when order given by the sequencer has not been
executed after 12 seconds.
Electric boost pump (AUX BP)
Electric boost pump is an auxiliary pump located between fuel unit and main
mechanical boost pump. It is controlled through AUX BP switch located on FUEL
panel. This switch allows stopping or selecting the two pump operating modes :
- when set to ON, electric boost pump operates permanently
- when setto AUTO,electric boost pump is automaticallyoperated in case of fuel
pressure drop at the mechanical boost pump outlet.
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