Operation Manual
Cycle Maintenance
139
14.14 Lighting set
1. Check whether the cable connections to the headlamp, rear lamp and dynamo
(if applicable) are firmly in place and look for damage and corrosion.
x If the cable connections are damaged, corroded or loose, have the lighting
repaired by your dealer.
2. Switch on the lighting and check whether the headlamp and rear lamp are lit.
With cycles that have a hub dynamo, turn the front wheel to do this.
3. Check the headlamp adjustment (see the “Basic adjustments / Lighting /
Headlamp” chapter).
x If you find damage to the lighting set, have it repaired by your dealer.
14.15 Hub dynamo
x Check the cable connections to the hub dynamo.
x Clean the connectors if necessary.
x Check whether the connectors are tight and look for corrosion.
x Reconnect if necessary.
x If the cable connections are damaged, have them replaced by your dealer.
14.16 Chain tension
This chapter applies to models with a coaster brake or hub shifting system.
1. Set the cycle on the kickstand.
2. Press the chain upwards or downwards
and check whether you can press it
through a distance of between 10 and
15 mm/0.4–0.6" (see “Illustr.: Chain
tension”).
x If you can press the chain upwards
or downwards by less than 10 mm/
0.4" or more than 15 mm/0.6", or if
the chain is grinding against the all-
round chain guard, have the chain
tension adjusted by your dealer.
Illustr.: Chain tension (example)
10-15 mm/0.4–0.6"