25
Hand brakes
Maintenance for brakes:
• Keep the wheel rims and the brake pads clean and
free of wax, lubricant, and dirt at all times.
• Keep brakes properly adjusted and in good working
condition at all times.
Caliper brakes
You can do some minor brake adjustments using the
cable adjusting barrel. To adjust the front and rear
brake calipers, follow these steps:
1. Squeeze the brake pads (5) against the rim.
2. Loosen the lock nut (7) and then turn the cable ad-
justing barrel (1) shown in the figure.
3. Check the brake pad (5) clearance. It should be
maximum of 2 mm from the rim.
4. Re-tighten the lock nut (7).
If it is not possible to set the brake pads close enough
to the rim, you may have to adjust the cable length. Do
the following procedure.
1. Screw the cable adjusting barrel 3/4 of the way in.
2. Squeeze the pads against the rim, open the quick
release lever (6) and then pull the brake cable
through using pliers.
3. Close the quick release lever (6) and the squeeze
the corresponding brake lever on the handlebar to
test. Fine tune using the cable adjusting barrel (1).
4. If one pad is closer to the rim than the other, loosen
the lock nut (3) at the back of the brake. Squeeze
the brake lever to hold it centred, and then re-tight-
en the lock nut (3).
Most side-pull calipers also have a centring adjustment
bolt (4) that enables you to properly centre the caliper
over the rim. Make sure that there is an equal distance
between the brake pad and the rim on both sides of
the wheel. Also make sure that the brake pads them-
selves are properly adjusted. The pads should contact
the rim so that it is centred from top to bottom on the
rim surface. The distance between the top of the pad
and the top of rim should be no less than 1 mm to en-
sure that the brake pad does not contact the tyre in
any way.
WARNING: Ensure the brake fixing nut is
properly tightened. Failure to do this may
cause the brake assembly to dislodge from
the fork.
WARNING: Do not ride a bicycle that is not
operating properly.
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