P. 48 — User manual V3
Changing a punctured inner tube
You might eventually experience a sudden
or slow loss of air pressure from a wheel.
It may come from rolling over sharp
objects such as broken glass, thorns, etc.
or as a result of hitting an obstacle with an
insufficiently inflated tire. In both cases, the
inner tube has been punctured and will need
to be repaired or replaced.
Over time it is normal for a tire to lose air
pressure. After a long period in storage
you’ll notice that the tires have gone
almost completely flat. This doesn’t
mean you need to change the inner
tube. Simply re-inflate your tire to the
recommended tire pressure to avoid
puncture.
We strongly recommend replacing a
punctured inner tube with a new one
instead of attempting to patch repair
an old tube. The reason is that a tube
repair is often weak, and air can often
leak from a patched tube. A new tube
is a time saving, relatively inexpensive
and safe solution. Your old tube will get
recycled if you take it to a bike shop.
Alternatively, it is also possible to re-use
it as an attachment strap.
For a front wheel flat or tire replacement
on a model equipped with an electrical
power assistance system, the front
wheel will have to be removed with the
motor. Only a trained Trivel technician
is qualified to perform this work
without causing damage. We strongly
recommend you contact an authorized
Trivel representative to have the work
performed. Should this not be done,
the owner shall not hold the company
liable for any damages caused by an
improper procedure by a person who is
unqualified and not authorized by Trivel.
Material needed
•
A puncture repair kit or a compatible
new inner tube (make sure to purchase a
compatible tube by giving all the relevant
information regarding the size of the tire
and type of valve at the time of purchase).
•
A set of tire levers (bike tire specific
models in plastic are recommended, do
not use metal motocross tire levers or a
screwdriver as this will likely damage the
tube and / or the wheel rim).
•
An air pump with a pressure gauge that’s
designed for bicycle use.
Instructions
1.
(Front wheel): Remove the wheel from the fork.
(Rear wheels): Lift the rear end of the tricycle
and proceed as follows without removing the
wheel from the frame.
2.
Detach the tire from the rim first using tire
levers.
3.
Remove the inner tube and locate the puncture.
4.
Find the corresponding location of the puncture
outside and inside the tire.
5.
Check for any sharp objects stuck in the tire
(if any, remove them or replace tire if it’s too
damaged).
6.
Fix the punctured inner tube with a puncture
repair kit or get a new one.
7.
Partially re-inflate the new or repaired inner
tube just enough so it stays round
8. Insert the inner tube inside the tire
9.
Put the tire back on the rim making sure the
tire tread is facing forward.
10.
Inflate tire to the recommended pressure while
checking for even positioning on the rim
11.
(Front wheel): Re-install the wheel on the fork
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