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7.4
Maintenance
CAUTION
!
Crash and falling caused by unintentional
activation
There is a risk of injury if the drive system is
activated unintentionally.
Remove the battery before maintenance.
The following maintenance measures must be
performed on a regular basis.
7.4.1
Wheel
WARNING
!
Crash caused by braking hard on rims
A rim can break and block the wheel if you brake
hard. This may cause a crash with serious
injuries.
Check rim wear on a regular basis.
Notice
If the tyre pressure is too low in the tyre, the tyre
does not achieve its load bearing capacity. The
tyre is not stable and may come off the rim.
If the tyre pressure is too high, the tyre may burst.
Check the tyre pressure as per specifications
Adjust the tyre pressure as necessary.
1 Check the tyres for wear.
2 Check the tyre pressure.
3 Check the rims for wear.
The rims of a rim brake with invisible wear
indicator are worn as soon as the wear
indicator becomes visible in the area of the rim
joint.
The rims with visible wear indicator are worn as
soon as the black, all-round groove on the pad
friction surface is no longer visible. We
recommend that you also replace the rims with
every second brake lining replacement.
4 Check the tension of the spokes.
MY21K01 - 32_1.0_23.09.2020
All manuals and user guides at all-guides.com
7.4.1.1 Checking the tyres
Check the tyre wear. The tyre is worn if the
anti-puncture protection or the carcass cords
are visible.
A specialist dealer will need to change the tyre
if it is worn.
7.4.1.2 Checking the rims
Check the rims for wear. The rims are worn as
soon as the black, all-round groove on the pad
friction surface becomes invisible.
Contact your specialist dealer to have the rims
replaced. We recommend that you also replace
the rims at the same time as every second
brake lining replacement.
7.4.1.3 Checking and adjusting the tyre
pressure – Dunlop valve
Only applies to pedelecs with this equipment
The tyre pressure cannot be
measured on the simple Dunlop
valve. The tyre pressure is
therefore measured in the filling
hose when pumping slowly with
the bicycle pump.
It is recommendable to use a
bicycle pump with a pressure
gauge. The operating
instructions for the bicycle pump
must be adhered to.
1 Unscrew and remove the
valve cap.
2 Connect the bicycle pump.
3 Pump up the tyre slowly and pay attention to
the tyre pressure in the process.
4 Correct the tyre pressure according to
specifications in the Pedelec pass.
5 If the tyre pressure is too high, unfasten the
union nut, let air out and re-tighten the union
nut.
6 Remove the bicycle pump.
7 Screw the valve cap tight.
8 Screw the rim nut gently against the rim with
the tips of your fingers.
Cleaning and servicing
98
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