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Operating Manual Ultralight 402
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11. Storage and care instructions 12. Trouble shooting
11.3 Changing the propeller
1. Loosen the cable between the motor and battery.
2. Loosen and unscrew the central nut on the propeller.
3. Pull the propeller from the motor shaft.
4. Pull cylinder pin from the motor shaft and remove the disk spring from the motor shaft.
5. Connect the cable between the motor and battery. Allow the motor to run slowly and
check whether the shaft is turning unevenly at the shaft sealing ring. Contact Torqeedo
Service if the shaft is damaged or uneven.
6. Loosen the cable between the motor and battery. Insert the new cylinder pin centrally
to the motor shaft and place the disk spring onto the motor shaft. Note the direction of
the disk spring (refer to drawing).
7. Place propeller onto the motor shaft and turn the propeller so that the cylinder pin is
aligned with the groove in the propeller.
8. Tighten the central nut on the propeller by hand.
11.4 Other care instructions
Ensure that the storage points on the universal joint and shaft pipe are clean.
To clean the motor you can use any cleaning agents suitable for plastic - follow the
manufacturer’s instructions. Cockpit sprays available for cars achieve good results on the
plastic surfaces of the Torqeedo Ultralight.
Self-
locking
nut M8
Disk 8.4
Disk spring
Pin 2.5 x 20