The brake arm of the drum brake is fixed to the frame by means of a suitable
pipe clip (1).
Mount the brake arm between the two tabs of the pipe clip!
The pipe clip must sit on the frame with absolutely no play! Use a self-locking
nut! Tightening torque: 2 – 3 Nm.
Mounting / dismounting the drum brake
➢
Hook up the cable clip (2) to (or unhook it from) the brake lever (3).
➢
For the NL version with special lever (4), use only an original NL brake cable
(the cable clip (2) is not suitable for this purpose).
Fine adjustment of the brake:
➢
Unscrew the adjusting screw (5) until the brakes drag slightly when
the wheel is rotated.
➢
Actuate the manual brake lever powerfully several times and, if necessary,
turn the adjusting screw further until the brakes drag slightly once again.
➢
Tighten the hexagonal nut (6).
➢
Repeat the adjustment if the braking effect wears off after prolonged use or
if the manual brake lever can be pulled back to the handlebar grip.
If the cable needs to be replaced, consult your dealer.
If the clip nut loosens itself from the brake arm or the clip screw or brake
arm clip are damaged, the brake arm can rotate on the chainstay.
This can cause the handlebar to move suddenly or the wheel to lock, which can
lead to a fall with serious injuries.
29
Roller and drum brakes require a specially matched brake lever.
➢
Check regularly that the screws on the brake lever are tight.
➢
Tighten them in a clockwise direction if necessary.
➢
Check the brake function by pulling the brake lever three quarters of the way
back whilst pushing the bicycle. The rear wheel should lock.
The front wheel should brake so strongly, that the bicycle begins to tip over
towards the front.
➢
Oil the brake cable regularly.
Brake pads are consumable parts. Have the brake pads of coaster, roller and
drum brakes checked regularly by a dealer and replaced if necessary.
If the bicycle is left standing for a longer period, a rust film may form in the brake
drum, increasing the braking effect. Therefore, when beginning your journey,
brake gently a few times to wear off the rust film. This will help to avoid the brakes
suddenly locking.
SRAM drum brakes
The drum brake can be controlled very precisely. The full braking power is
achieved after a certain running-in period.
In order to get used to the brakes, operate the brake lever carefully at first to acquire
a feel for the drum brake’s deceleration.
Do not rinse drum brake hubs with petrol or similar fluids when cleaning the wheel.
Note:
The brake anchor plate must be replaced if oil or other greasy substances have got
onto the brake pads. Oily brake pads reduce braking efficiency and may even lead to
total brake failure. This can lead to falls or collisions resulting in very serious injuries.
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DCW BedienA_GB UNI.qxd 24.10.2007 12:50 Uhr Seite 29
