DA 42 AFM Airplane Description
Doc. No. 7.01.05-E Rev. 8 15-Dec-2017 Page 7 - 31
Unfeathering:
To unfeather the propeller, the associated ENGINE MASTER switch must be set to ON.
This will open the electric valve at the pressure accumulator. The pressure stored in the
accumulator will move the propeller blades into a low pitch position. As soon as the
propeller starts turning and the gearbox oil operates, the accumulator will be refilled.
Ground Operation:
CAUTION
Operation on the ground at high RPM should be avoided as
far as possible, as the blades could suffer stone damage. For
this reason a suitable site for engine runs should be selected,
where there are no loose stones or similar items.
WARNING
Never move the propeller by hand.
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