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 CS 22
Revision – 3.7.3
Extending / Retracting power plant in spite of a defective power plant operating
unit
Emergency system for lifting spindle drive (see also page 7.3.40)
If the power plant control system fails, it is still possible to extend and retract the
power plant with a separate emergency system.
For the full function of the emergency system, the following circuit breaker of the
electrical system have to be engaged:
- Main switch Power plant system MAIN Power Plant
- Circuit breaker Spindle drive Spindle
- Circuit breaker Emergency system Emergency System
The Emergency system is located in the base of the instrument panel. The
emergency switch for the extension and the retraction of the power plant is
accessible after flipping the red switching cover:
Rocker switch upwards

Power plant extends
Rocker switch downwards

Power plant retracts
Warning:
After opening the red protective cap, all safety functions of the power plant
control system are deactivated! When the starter button is pressed, the
starter motor is operated regardless of the position of the power plant!
Extending and starting the engine with the emergency system
- Open red switching cover.
- Operation note
on the power plant operating unit has to be confirmed with the MENU-
button to switch off the warning.
- Extend the power plant completely with the emergency rocker switch
- Ignition ON
- Press starter. If the starter malfunctions, see:
„3.7.2 Emergency procedure with defective starter engine during flight“
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