MY21B05 - 12_1.0_21.10.2020
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Cleaning and servicing
7.4.6
Checking the electrical cables and
brake cables
Check all visible electrical cables and Bowden
cables for damage. If the sheathing is
compressed, a brake is defective or a light
does not work, the pedelec must be removed
from service until the lines and cables have
been repaired. Contact your specialist dealer.
7.4.7
Checking the gear shift
Check the gear shift and the
shifter
and
gear
twist grip
settings and adjust as necessary.
7.4.8
Checking the stem
The stem and quick release system must be
inspected at regular intervals. The specialist
dealer should adjust them if necessary.
If the hexagon socket head screw is also
loosened, the headset backlash also needs to
be adjusted. Medium-strength thread locker,
such as Loctite blue, then needs to be applied
to the loosened screws and the screws
tightened as per specifications.
Contact your specialist dealer if there is any
wear or signs of corrosion.
7.4.9
Checking the USB port
Regularly check the position of the
cover on the
USB port
and adjust it as necessary.
7.4.10 Checking the chain tension
1
Check the chain tension in three or four
positions, turning the crank a full revolution.
Figure 93: Checking the chain tension
2
If the
chain
can be pushed more than 2 cm, the
chain
will need to be re-tensioned by your
specialist dealer.
3
If the
chain
can only be pushed up and down
less than 1 cm, the
chain
needs to be
slackened as required.
The ideal chain tension has been achieved if
the
chain
can be pushed a maximum of 2 cm in
the middle between the pinion and the toothed
wheel. The crank must also turn without
resistance.
4
If a hub gear is fitted, the rear wheel must be
pushed backwards and forwards to tighten the
chain. Contact your specialist dealer.
5
Check the handlebar grip is firmly in position.
Notice
Excessive chain tension increases wear. If the
chain tension is too low, there is a risk that the
chain
will slip off the
chain wheels
.
Check the chain tension once a month.
2 cm
