Actuator calibration
If the actuator, RFU, or DCU were replaced or any of the mechanics of the actuator system
were changed or adjusted – it is advisable to recalibrate the actuator.
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.
1. Switch off the RES main switch.
2. Boot the DCU into Maintenance mode.
3. Cycle the actuator until it is fully retracted and then fully extended.
CAUTION: The battery latches should always be locked, if not, the motor will crash into
the battery latch during retraction, preventing full retraction.
4. Switch off the RES main switch.
Main door setup
The main door setup must be done to ensure the main doors completely close during full
retraction and extension.
NOTE: Before any component change, be sure to match the component lengths – this
will simplify the setup.
1. Switch off the RES main switch.
2. Remove one main door.
3. 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.
4. Fully extend the pylon.
5. Retract the pylon to a +- 45˚ angle with the fuselage as reference.
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