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When you turn back the main pinion afterwards so that the paper strip can be taken out again, the two pinions will have
the right distance to each other.
If the motor pinion is too close to the main pinion, the drive does not run smoothly and performance is lost.
In addition, the motor and the speed controller overheat which can lead to damage to these components.
If the distance between the motor pinion and the main pinion is too great, the teeth of the two pinions might
slip which immediately destroys the main pinion. Loss of warranty/guarantee!
c) Tyre change
• Front axle
There are two ball bearings on the front axle:
one on the outside of the rim (1) and one on the
inside (2).
When changing the tyres, make sure to remove
the ball bearings from the rim and insert them in
the new rim.
Also make sure that the spacer sleeve (3) is
properly positioned.
• Rear axle
When changing the tyres on the rear axle, make
sure you do not lose the driving pin (1) in the
wheel axle (2) or the spacer (3).
Also make sure that the driving pin is positioned
exactly in the designated hole (4) when you
attach and screw tight the rim.
Otherwise the driving pin cannot properly trans-
mit the driving force to the rim and the rim will
be damaged.
38
1
Figure 11
4
Figure 13
2
3
Figure 12
3
2
1
Figure 14