Schempp-Hirth Ventus-3M Performance, Предварительное руководство по эксплуатации самолета

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SCHEMPP-HIRTH FLUGZEUGBAU GmbH, KIRCHHEIM/TECK
Ventus-3M „Performance“ FLIGHT MANUAL
March 2019
Revision –
7.3.12
I. Power plant operating unit MCU3 BG (cont.)
A) Device description (cont.)
d) Transition from automatic mode to manual mode (interruption of the automatic
extension and retraction process with the manual control switch):
Is the manual operation switch pushed up or down while the power plant is extended
or retracted with the ignition switch (i.e. in automatic mode of the power plant control
system):
-
the movement of the power plant is stopped
- the automatic operation is switched off (transition to manual mode,
display
+ warning tone).
- the brake servo for the automatic propeller brake is opened and releases
the propeller.
- if the automatic propeller positioning has already started, the process will be
aborted.
e) Return from manual mode to automatic mode
i) To continue the extension in automatic mode:
- Ignition OFF and back to ON

Continuation of the automatic extension process
ii) To continue retraction in automatic mode or automatic propeller positioning:
- Ignition ON
- Wait until the power plant has fully extended (note the position
indicator on the display).
- Ignition back to OFF
Caution:
In manual mode
- all automatic operations are stopped. The pilot must conduct and control the
extension or retraction process by himself with the manual operation switch.
- the manual propeller brake (see section 7.2) must be operated by the pilot to stop,
position and hold the propeller during retraction of the power plant.