Measuring And Adjusting The Chain Tension; Checking For Chain Wear; Chain Cleaning And Maintenance - Derby cycle Impulse Evo Original User Manual

3.8.1

Measuring and adjusting the chain tension

Measuring the chain tension
1. Remove the pedelec battery.
2. Press the chain up or down at its tautest point. The tension is correct if
you can move the chain up and down by about 5 mm.
3. Check the chain at four or five points over a complete revolution of the
crank.
Adjusting the chain tension
1. Remove the pedelec battery.
2. Undo the rear wheel nuts.
3. Remove the brake anchor as required.
4. Pull the rear wheel back in the drop-outs until the chain just has the
permissible amount of play.
5. Carefully tighten all bolts in a clockwise direction to a torque setting of
35 – 40 Nm. Make sure the wheel is refitted straight.
3.8.2

Checking for chain wear

1. Remove the pedelec battery.
2. Check chain wear with a chain wear indicator or vernier calliper.
3. Replace the chain if it is worn.
3.8.3

Chain cleaning and maintenance

Lubricate the chain after riding in the rain. Clean and
lubricate it when you clean the wheel.
1. Remove the pedelec battery.
2. Brush the chain coarsely with a hand brush.
3. Then remove the old chain oil with a dry cloth.
4. Now you can oil the chain. Follow the application instructions from the
chain oil supplier.
5. When you have finished, turn the crank to distribute the chain oil.
Original User Guide | Pedelec Impulse Evo / Impulse Evo Next Version 4 EN-23