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TREKKING-PEDELEC
| ORIGINAL OPERATING INSTRUCTIONS 2016
ORIGINAL OPERATING INSTRUCTIONS 2016 |
TREKKING-PEDELEC
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With
Presta valves
you first have to undo the small knurled nut a little and de-
press it carefully until air starts to escape. Check the nut is tightened and seated
in its stem, otherwise air may slowly leak out. Do not forget to tighten the valve
by hand nut after inflating.
Tyres with
Schrader valves
can conveniently be inflated at car filling stations
with a compressed air dispenser. The same applies to
Dunlop
and
Presta valves
fitted with a special adapter. A compressed air dispenser must be used very
carefully as you may otherwise overinflate the tyre and make it burst.
To let out air, press the needle in the centre of the Schrader valve or the knurled
nut of the Presta valve
(e)
.
In the case of the
Dunlop valve
unscrew the knurled nut until air comes out of
the valve. Retighten the knurled nut subsequently. Normally, you have to inflate
the tyre completely.
It can be hard to inflate tyres to the necessary pressure by using hand pumps. It
is much easier with a track pump equipped with a pressure gauge.
RIM TRUENESS AND SPOKE TENSION
For the true running of the wheel it is imperative that the tension exerted by
the spokes is distributed evenly around the rim. If the tension of a single spoke
changes, e.g. as a result of riding fast over a kerb or of a loose nipple, the tensile
forces acting on the rim become unbalanced and the wheel will no longer run
true. The functioning of the SCOTT bike may even be impaired before you no-
tice the wobbling appearance of a wheel that has gone out of true.
With rim brakes the sides of the rims also serve as braking surfaces. An untrue
wheel can impair your braking effect. It is therefore advisable to check the
wheels for trueness from time to time. For this purpose lift the wheel off the
ground and spin it with your hand. Watch the gap between the rim and the
brake pads. If the gap varies by one millimetre or more, you should ask your
SCOTT dealer to true up the wheel
(f)
.
DANGER!
G
If you mount a new tyre with another size than the standard tyre mounted,
it might be possible that the clearance between the front of your shoe and
the wheel will be reduced when you ride at reduced speed. Also observe the
space between fork and frame. Risk of accident!
DANGER!
G
Treat your tyres with care. Always ride your bike with the prescribed tyre
pressure
(a)
and check the pressure at regular intervals, at least once a
week. Riding with too low or too high air pressure may make the tyre come off
the rim or burst.
DANGER!
G
Clincher and folding tyres allowing an inflation pressure of five bars or more
have to be mounted on hook bead rims, identifiable by the designation “C”.
DANGER!
G
Observe the maximum pressure value of the rim. The pressure is depend-
ent on the tyre width. You can find the values in the operating instructions
of the rim or wheel manufacturer on this SCOTT info CD.
DANGER!
H
Note that a pedelec weighs more and that your usual tyre pressure may be
insufficient. A higher pressure gives a better riding stability and reduces
the risk of a puncture. The minimum and maximum pressure (in bar or PSI) is
indicated on the tyre side.
VALVES
There are three valve types in general use on SCOTT city and trekking bikes:
1.
Sclaverand
or
Presta valve (b)
: This valve is nowadays used on almost all
types of bikes. It is designed to withstand extremely high pressures.
2.
Schrader
or
American valve (c)
: This is an adapted car tyre valve.
3.
Dunlop
or
Woods valve
(d):
The usual valve.
All valve types come with a plastic cap to protect them from dirt. The
Schrader
and
Dunlop valve
can be inflated with a suitable pump directly after removing
the protective cap.
b
c
a
e
f
d
