9.4. Changing motors
Motors should be changed when they are damaged following the maintenance schedule. Damage is typically
caused by wear or tear in the long term.
A DAMAGED OR INCORRECTLY INSTALLED MOTOR MAY SERIOUSLY DAMAGE THE AIRCRAFT.
IT IS RECOMMENDED TO CHANGE MOTORS FOLLOWING THE MAINTENANCE SCHEDULE, OR IF THEY SHOW
ANY SIGN OF WEAR OR TEAR.
REQUIRED TOOLS (YOU WILL FIND ALL THOSE TOOLS WITHIN THE TOOLBOX THAT COMES WITH YOUR DRONE):
● T8 bit.
● 0.4 Nm torque driver.
● ELIOS 3 motor centering tool.
● 8mm hex socket and driver for the propellers.
Here is the step-by-step procedure:
● Remove the 3 screws with a T8 screwdriver.
● Pull down the old motor.
● Take a new motor, and verify that the o-ring is well in place.
● Align the motor connector and the arm connector.
● Push the motor in place.
● Place the 3 motors screw with their washers.
● Tighten the 3 screws, keeping the motor free to move slightly. Don’t block the screws yet!
● Place the centering tool through the duct on top of the motor shaft and push it against the motor
rotor.
● “Wobble” the motor so it finds its centered position.
● Tighten each motor screw with the T8 screwdriver progressively, screw by screw. Once all the screws
feel tight, tighten at the 0.4N.m torque.
● Repeat the tightening 2 times on each screw, one at a time.
● Remove the centering tool.
● Place the propeller back. We recommend changing the propeller each time you need to change a
motor. Remember that you should always use a new propeller nut.
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