Bernds Folding Tandem Manual - Page 6
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Maintenance and inspection
first 200
km, your
After roughly the
step
should have its first inspection made by a bicycle mechanic,
during which the following points in particular should be observed:
•
The spokes on the road wheels settle into place; for this reason
they should be checked and the wheels centred again if necessary.
•
We build in high-quality bolts and fixings. Neverthless, all bolts
should be checked to see they are sitting firm.
•
Bowden cables tend to stretch so gears and brake settings
should be checked.
•
The synchronising chain which joins the two bottom brackets
has to be tightened from time to time. To do this, the eccen-
tric in the front bottom bracket should be loosened with an 8
mm Allen key, and the bottom bracket in the eccentric rotated
forwards. The chain should be just tight enough so that in the
middle, between the bottom brackets, it can be pushed down
about one finger width. This low tension is all that is necessary
in order to compensate for normal torsion in the frame. The
synchronising chain must be assembled in such a way that
both pairs of pedals are synchronised!
BERNDS-Folding Tandem Low-
We should point out that many components on a bicycle are sub-
ject to wear and tear and so must be regularly serviced or replaced.
These include tyres, brake pads, brake cables, chainwheels and spro-
ckets, wheel rims, handgrips, the saddle, the bearings on wheels and
the bottom bracket. Depending on use, these parts must be serviced
at regular intervals and replaced when they reach their individual
Consequently, BERNDS recommends making a re-
limit of wear.
gular inspection every 2 000 km, and at least once a year.
Instructions for care
•
Make sure that the folding seatpost is lubricated and free of
dirt. It must be easy to pull out and push in again.
•
Frame and attachments: Remove dirt with a soft, damp cloth.
Do not use detergents containing solvents or abrasive cleaning
products such as scouring powder or steel wool.
•
Take care of the chain by cleaning it regularly with a commer-
cial cleaning product and then apply chain lubricant.
•
Do not use a high-pressure cleaner under any circumstances!