DA 42 AFM Airplane Description
Doc. No. 7.01.05-E Rev. 8 15-Dec-2017 Page 7 - 33
CAUTION
The power lever should be moved slowly, in order to avoid
over-speeding and excessively rapid RPM changes. The light
wooden propeller blades produce more rapid RPM changes
than metal blades.
WARNING
It is possible that the propeller blades remain in the position
of highest pitch in case of a malfunction of the engine control
unit. In this case the reduced engine performance should be
taken into consideration.
ELECT. MASTER
The electric master switch has two positions:
OFF disconnecting battery power
ON connecting battery power to the power distribution system
ENGINE MASTER
Each engine can only be cranked with its ENGINE MASTER switched to ON. When
activated, the ENGINE MASTER provides the power supply for the preheat system, the
unfeathering accumulator valve and the engine itself. To shut down the engine the
appropriate ENGINE MASTER is switched to OFF.
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