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16. Maintenance, Care and Repair
a) Regular Cleaning
The QuadroCopter is a very simple but nonetheless well-designed flying device. There are no mechanical parts that
need to be lubricated or require special maintenance. However, after each flight operation you should clean the
QuadroCopter of possible dirt (grass blades, dust, etc.).
For cleaning, use a dry or slightly damp cloth and avoid contact between water and the electronics, rechargeable
battery and motors.
Do not fly without covering the electronics. Please ensure that no moisture enters the inner central piece (e.g. wet
grass blades etc.). Never fly when it is raining!
b) Replacing the Rotors
If a rotor is damaged in a crash or other action, replace it immediately. This also applies if there are any fine tears or
grazing in the rotor. Due to the high speed, material parts could come loose if the rotors are damaged and this could
lead to damage to or endangerment of the environment.
To change a rotor, remove the rotor tip with the spring washers and the faulty rotor. Carry out the mounting of the new
rotor as described in the chapter „Final Assembly of the QuadroCopter „, under mounting of the rotors. Observe
correct selection of the rotor according to the respective motor’s rotating direction.
Attention!
Please observe the rotating direction of the respective motor and the choice of the corresponding rotor
without fail. If these are incorrectly chosen, the model will not be able to fly and will act in an erratic way
when next started!
c) Replacing a Motor
If a motor is defective (overheating, electrical fault, bearing damage or bent motor shaft), this must be replaced.
For this purpose, carry out the following steps:
• Remove the rotor from the faulty motor.
• Remove the upper enclosure and the upper part of the grid frame by loosening the upper screws.
Now you have free access to the motor drivers (driver board). You can also carefully remove these from the clamp
for more space.
• Note down the colours of the motor connecting cable at the soldering points A, B and C and unsolder the cable.
• Loosen the screws of the motor clamp and remove the motor from the motor clamp. Pull the cable through the radial
arm.
• Take the new motor and pull the connecting cable through the radial arm.
Summary of Contents for 450 ARF QC09
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