MY21H02 - 12_1.0_19.10.2020
75
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 or cables have been
repaired. Contact your specialist dealer.
7.4.7
Checking the gear shift
Check the gear shift and the
shifter
or the
gear
twist grip
setting 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 belt and chain tension
1
Check the chain tension in three or four
positions, turning the crank a full revolution.
Figure 64: Checking the chain tension
2
If the
chain
can be pushed more than 2 cm, the
chain
or
drive belt
will need to be tensioned
again by the specialist dealer.
3
If the
chain
or the
drive belt
can only be pushed
up and down less than 1 cm, you will need to
slacken the
chain
or the
drive belt
.
The optimum chain tension is achieved if the
chain
or the
drive belt
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 or 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
or the
drive belt
will slip off the
chain
wheels
.
Check the chain tension once a month.
2 cm