5 CALIBRATION & SETUP
Actuator system setup
The actuator system must be set up to ensure the Pylon bell crank locks in the extended
position and the pylon completely retracts during retraction.
1. Extend the pylon to a position slightly below the extended position to ensure the main
doors are fully open.
2. Switch off the RES master switch.
3. Disconnect the actuator from the Pylon bell crank.
4. Disconnect the pylon driver arm from the pylon.
5. Disconnect the door drivers from the main doors.
6. Boot the DCU into Maintenance mode.
WARNING: The motor and motor controller are not activated in maintenance mode. If the
actuator is cycled, the propeller will not auto-align, creating the risk of propeller
misalignment during retraction or extension which could damage the actuator
system or propeller.
7. Fully retract the actuator.
8. Connect the Pylon bell crank to the actuator.
9. Extend the actuator 20 – 50 mm.
10. Connect the Pylon driver arm to the pylon.
11. Extend the pylon and ensure that the Pylon driver arm locks into place and that the
pylon clears the fuselage by adjusting the length of the actuator front and pylon driver
arm.
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