113
Maintenance
6.7.
Calibrating the NuVinci Harmony
It is imperative that the NuVinci Harmony is calibrated whenever two
active orange bars are being indicated in the display of the Harmony
twist grip with the drive unit activated.
If the NuVinci shift function is inconsistent or faulty, the NuVinci system may also
have to be calibrated.
Calibration should be performed during a ride with the drive unit switched on,
however, with the assistance deactivated (off)
Proceed as follows for calibration:
•
Pedal with moderate force and maintain this throughout the entire
calibration process.
•
Hold the Mode key on the Harmony twist grip pressed until the hub begins
the automatic switching processes for calibration after 5-7 s. Calibration is
indicated via a "to and fro motion" bar in the display, as well as noises of
the servo motor at the rear. You can now release the Mode key. Continue
pedalling moderately.
•
If the servo motor is no longer generating any noises and the display
indicator remains constant, calibration is complete.
6.8. Brakes
Work on the hydraulic brake system should be carried out by HNF-NICOLAI
Service or a specialist workshop. Observe the yearly inspection (or every 3,000
km) recommended for the brake system by a specialist dealer or by HNF-NICOLAI-
Service.
6.8.1. Wear of brake pads and brake discs
Brake pads and brake discs are subject to functional wear caused by friction
between the two parts. Heavier loads on the cargo bike will lead to increased
wear of both parts compared with a two-wheeled bike.
Wear depends on the
riding style, terrain, weather and ground conditions, meaning that no binding
information can be given in this regard.
Brake discs must be replaced after approx. 4 to 5 changes of brake pad pairs,
as they are made of a harder material. A regular inspection of the brake pads is
recommended every 500 km.
Summary of Contents for CD1 Cargo
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