DG Flugzeugbau DG-1000 Flight Manual page 124

Flight manual DG-1000T
4.5 Normal procedures
new subsection
4.5.12 Electrically operated main landing gear
4.5.12.1 Extension and retraction in flight
Retraction: For retraction switch and hold the toggle switch up and press the
press button twice within 2 seconds. With each press on the button a signal will
sound. The landing gear will retract automatically. You may let go of the
switches. During retraction the centre (red) LED will shine and the upper green
LED will blink. As soon as the landing gear is retracted and locked only the
upper green LED will shine.
Warning: If the upper green LED doesn't start to shine and the red LED instead
starts blinking refer to section 3.20 emergency procedures.
Extension: For extension switch the toggle switch down and let go.. The
landing gear will be extended and locked.
During extension the centre (red) LED will shine and the lower green LED will
blink. As soon as the landing gear is extended and locked only the lower green
LED will shine.
Note: In case of high acceleration during extension or retraction an over current
cut off system will switch off the spindle drive to protect the system. As soon as
the g-loads decreasa, the landing gear will continue to travel.
Note: To save electrical power during flight the upper green LED will stop
shining after approx. 5 minutes, landing gear retracted and locked.
4.5.11.2 Extending the landing gear via the emergency extension system.
The emergency extension system is also designed to be operated for in flight
training purposes. Operation see section 3.19.
Resetting the system for normal operation should be executed after landing, for
procedure see section 4.5.12.3.
Caution: It is strongly recommended to train the emergency extension in flight.
Note: Resetting the system for normal operation is also possible in flight.
However, this is only permissible if there are 2 pilots on board, one pilot flying
the glider and the other resetting the system.
Then you may retract the landing gear again according to section 4.5.12.1. to
continue the flight.
Issued: February 2011 TM 1000/18
9.7