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TREKKING-PEDELEC
| ORIGINAL OPERATING INSTRUCTIONS 2016
ORIGINAL OPERATING INSTRUCTIONS 2016 |
TREKKING-PEDELEC
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CAUTION!
A
If you want to adjust conventional headsets you will need special tools. If,
nevertheless, you want to try it by yourself, read the manual of the headset
manufacturer on this SCOTT info CD.
THREADLESS HEADSET – AHEADSET®
The distinct feature of this system is that the stem does not sit within the fork
steerer tube, but rather slips over the fork steerer tube, which in this case is
threadless. The stem is thus an important part of the headset, as the stem
clamping fixes the adjustment. You generally only need one or two Allen keys
and a torque wrench to adjust an Aheadset®.
Release the clamping bolt(s) located on the side of the stem by one to two
turns. Gently tighten the countersunk adjusting bolt on top a little
(d)
, e.g. by a
quarter turn, by using an Allen key.
Realign the stem to ensure that the handlebars are at right angle to the wheel.
Make sure the front wheel is in line with the top tube and the stem
(e)
. Tighten
the clamping bolts of the stem
(f)
. Use a torque wrench and never exceed the
maximum torque values! You will find the prescribed values in the chapter “Rec-
ommended torque settings for your SCOTT bike”, directly on the components
and/or in the manuals of the component manufacturers on this SCOTT info CD.
Check the headset for play as described above. Do not overtighten the headset.
Risk of headset failure!.
DANGER!
G
Bear in mind that by overtightening the bolts the stem can crush the steer-
er tube. In particular forks with carbon steerer tubes are highly sensitive to
overtightening the steerer tube clamping at the stem. Risk of breakage! Make
sure the clamping area is absolutely free of grease when any of the clamping
faces is made of carbon. If necessary, use carbon assembly paste in the clamp-
ing areas to ensure maximum clamping.
Checking and readjusting
Check the headset for play by placing your fingers around the upper head
tube race. Bring your weight to bear on the saddle, pull the front brakes with
your other hand and push the SCOTT bike firmly back and forth with the wheel
remaining on the ground
(a)
. If the bearing has play, you will feel the upper head
tube race moving in jerks relative to the lower head tube race - visible as a small
gap in between the head tube races.
To check the bearing for ease of running, lift the frame until the front wheel is
suspended in the air
(b)
. The handlebars should turn from far left to far right
without feeling roughness or tightness at any point. With a gentle tap on the
handlebars the fork should turn easily from the middle position.
If you face any problems during the test, contact your SCOTT dealer.
DANGER!
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Adjusting the headset requires a certain amount of experience and should
therefore be left to your SCOTT dealer.
CONVENTIONAL HEADSETS
The adjustment tolerance between there being play in the bearings and them
being set too tight is very small. The bearing can easily be damaged. If you want
to try it nevertheless, you need two large and flat open-end wrenches
(c)
. Ask
your SCOTT dealer for advice.
Release the top lock nut and turn the head cup below clockwise without tight-
ening it. Fix the lower head cup and retighten the lock nut.
CAUTION!
A
A too tight adjustment can destroy the bearings and affect the riding char-
acteristics.
b
c
a
e
f
d
