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23. Maintenance and cleaning
Clean the exterior of the model and the remote control with a soft, dry cloth or brush. Never use abrasive cleaning
agents or chemical solutions, as these may damage the surface of the housing.
The propellers must move smoothly and motor shafts should not be bent or have any play in the bearing. Propellers
that are cracked or bent or from which small pieces have broken off must always be replaced. For this purpose, model
4 spare propellers and a lever tool are included.
Replacing the propellers
To change a propeller, proceed as follows:
Carefully lever the defective propeller off the motor shaft
(2) with the included tool (1). When doing so, be careful
not to deform the motor shaft.
Select the appropriate replacement propeller (3). Pay at-
tention to the direction of rotation of the motor (see also
Figure 5). The upper propellers are labelled with the letter
“A” and the lower propellers are labelled with the letter “B”.
When installing the new propeller, make sure
that the propeller shaft is not bent. Do not exert
any force!
Push the propeller completely onto the motor shaft and
then check the concentricity of the propeller manually.
When replacing mechanical parts, only use original spare
parts from the manufacturer.
The spare parts list can be found on our website in the download area for the respective product.
You can also order the spare parts list by calling our customer service hotline. For contact details, please refer to the
“Introduction” section at the beginning of these operating instructions.
Figure 25
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