• A bike trailer (not supplied) can be attached
to the pre-drilled holes (8e) on the frame (8)
with the aid of a coupling (e.g. Weber EH, not
supplied).
• Mount the bike trailer and the coupling in
accordance with the manufacturer's specifi-
cations.
AtranVelo brand accessories (fig. Q)
A basket as well as other accessories of the
AtranVelo brand (not supplied) can be attached
to the luggage rack (33) using the AtranVelo
AVS click system.
Maintenance
• You must be absolutely sure to remove the re-
chargeable battery during maintenance work.
• Perform repairs, maintenance, and adjustment
work on your bike yourself only if you have
the knowledge and the tools required! In
the event of any doubt leave all work to a
specialist workshop or to our service provider.
You can obtain relevant information from the
customer service department at Delta-Sport
Handelskontor GmbH.
• Keep in mind that because of their technical
design the drive components produce a slight
increase in resistance and make a faint noise
as you ride. Increased resistance when idling
and a slight noise during the ride are not an
immediate sign of some technical defect but
are caused instead by the set-up of the drive
components. Should the resistance or the
noise increase during the ride, this can be a
sign of defective maintenance.
• Because of the extra power introduced by
the drive components and the product's
greater weight, all components are subject to
increased wear. Shorter maintenance intervals
than those of traditional bicycles must there-
fore be observed. Poorly maintained or worn
components can lead to accidents or falls and
then to injuries as a further consequence. Be
absolutely sure to remove the rechargeable
battery prior to repair and maintenance work.
Otherwise there is a considerable risk of
injury since the system might start up because
of mechanical functions. Make sure that no
cables are kinked, pinched, or damaged by
jagged edges when working on repairs and
maintenance. Damaged cables can bring a
danger to life due to electric shock.
• Do not open the power unit yourself. The
power unit may be repaired only by qualified
specialist personnel and using only original
replacement parts.
• For repair and replacement purposes use only
original components as well as original drive
components and rechargeable batteries.
• Lubricate the lock every 6 months with a
special oil for locks.
Inspection intervals
• Before each ride inspect all screw connections
and moving and heavily stressed parts of the
product.
• Have the EPAC inspected at least once
annually. It is absolutely essential to have this
done by a specialist dealer who will inspect
the belt (25) for wear and check the belt disc
(34, fig. S).
• A detailed inspection is recommended on a
recurring basis either every 2,000km or every
100 hours of operation or after one year
(whichever comes first).
• Take your product to the specialist retailer for
complete and thorough maintenance.
• The product is designed for a service life of at
least 25,000km.
Wear parts
Note that you can reorder a great number of
wear parts and accessory parts at the following
address: https://lds-service.com
Wear parts are parts of the product subject to a
certain amount of wear due to their function and
thus are not covered by the guarantee.
• Note: Lighting systems (16, 24) and
reflectors must be checked before every trip.
Defective light sources must be replaced
immediately.
• LED headlights (24) and LED rear
lights (16) are designed in such a way
that the individual light-source unit cannot be
replaced. This means that it is necessary to
replace the whole LED headlight and/or LED
rear light.
• Rechargeable batteries slowly lose
capacity over time so that the pedelec's range
decreases with increasing age. The two-year
warranty is valid from the date of purchase
or up to 500 charging cycles, whichever first
transpires. The rechargeable battery is de-
signed in such a way that it retains up to 70%
of its original efficiency during this period.
• Brake pads (34, fig. R) are subject to func-
tion-related wear and tear. Change the brake
pads no later than after 5,000km irrespective
of the degree of wear. You can detect wear
if you hear metallic sounds or if there is a re-
duction in braking power. Brake pad thickness
should be at least 2.5mm. Replacement of
brake pads may be necessary at shorter inter-
vals when riding in mountainous terrain since
the pads are stressed to a significantly greater
degree. A regular inspection before each trip
is therefore absolutely essential.
• The degree of wear of the belt (25) depends
on upkeep, maintenance and mileage. The
durability of the individual components of the
belt system is heavily dependent on outside
influences and environmental conditions.
The life expectancy of a belt system used in a
humid environment is always less than when it
is used on dry roads. You will recognise heavy
wear, for example, if the belt skips on the belt
disc (34, fig. S) or if the teeth of the belt disc
are visibly worn.
Important: Have the belt replaced if there
is any damage from major outside influences,
if, say, a stone, a branch or an item of clothing
is caught up in the belt and dragged between
belt and belt disc. Such an impact may lead to
damage to the sensitive carbon fibres inside the
belt even if there is no discernible external dam-
age. A previously damaged belt or a possibly
damaged belt disc must in all cases be replaced
by a specialist dealer because when riding in
drive mode it may suddenly break, which in turn
can lead to accidents and injuries.
Important: Clean any dirt from the belt with
just water and a mild detergent. Never clean the
product with harsh cleaning agents.
Important: Use only original replacement
parts. You can reorder the parts at:
http://www.potestrans.de
Important: Belt (25) and belt discs (34, fig. S)
are coordinated.
• Brake discs (21)
Replace worn brake discs. You will detect
the wear because of a reduction in braking
power. The disc thickness may not be less than
1.4mm. Check the disc thickness at regular
intervals.
• Tyres (19) and inner tubes are subject
to relatively heavy wear, which is greatly
influenced by the user. The service life of a
tyre is shortened considerably by braking
hard, which leads to wheel locking. As soon
as the puncture-protection inlay becomes
visible on the tread, the tyre is worn out and
must be replaced. Since the thickness of the
tread determines the resistance to puncture,
it is sensible to replace the tyre in advance.
To replace the inner tubes you can use any
inner tube with a Schrader valve (AV) that is
compatible with the tyre size 50-584
(27.5 x 2 inches).
• In order to permit early detection of damage
to the wheel rims (20) clean them regularly
since cracks, etc. may be obscured by dirt.
Punctures
Inside every bicycle tyre there is an inner tube.
With a puncture proceed as follows:
Disassembling the front wheel (fig. T)
1. Disengage the quick-release lever (28) on the
front wheel (9).
2. Loosen the opposite nut (28a) on the quick
release and remove the front wheel.
Disassembling the rear wheel (fig. U)
1. Remove the nuts (36) on both sides of the
rear-wheel axle with a 19mm spanner (not
supplied).
Important: Observe the correct torques. All
torques are given in the section "Technical data".
2. Disconnect the plug (37).
3. Remove the reusable mounting clip (38) with
the aid of a suitable screwdriver (not included
in delivery).
4. Remove the rear wheel (10), disassemble the
belt tensioner (39) and take the belt (25) off
the belt disc (34).
Repairing the inner tube
1. Squeeze the air out of the inner tube.
2. Loosen the bicycle tyre (19) on one side from
the rim (20) with a tyre lever and remove the
defective inner tube.
3. Inflate the new or repaired inner tube a little
and place it inside the tyre.
Note: When inflating make sure that the inner
tube does not get caught between tyre and rim
flange.
Note: Do not apply the brake with the wheels
disassembled or use a transportation lock since
otherwise the brake shoes will close.
4. Guide the valve through the valve hole in
the rim.
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