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7.5.4 Battery replacement
The daily use of the electric wheelchair
places a high demand on the drive bat-
teries, they can only fulfil their function
when they are maintained and charged.
Batteries undergo a normal ageing proc-
ess. Both batteries must be replaced
when they no longer give the full pow-
er or are defective despite correct charg-
ing.
The use of batteries with different ca-
pacities is not permitted.
Note:
Have a battery replacement carried
out by a specialist workshop because
they know about the possible risk sit-
uations and can correctly dispose of
defective batteries.
7.5.5 Safety information
Keep children away from batteries,
accessory parts and packing
material.
Avoid open flames and sparking in
the proximity of the batteries.
– Risk of explosion!
56
Switch off the control unit and then
pull out the main fuse before starting
work on the electrical system.
Never touch the battery terminals
with tools, cable ends or other metal
objects when working on the
batteries.
Attention:
Batteries can explode if they come
!
into contact with sparks, e.g. due to
a short circuit of the battery termi-
nals!
Caution:
!
Battery acid is very caustic! Skin and
eyes can be injured, clothing and
flooring can be damaged.
Note:
Rinse skin or body parts that have
come into contact with acid
immediately with running water for
several minutes. Then see a doctor.
Immediately remove clothing wetted
with acid. Wash clothes with soap
solution and rinse with much water.
Always wash your hands after work-
ing on the batteries.
7.5.6.1 Exposing the batteries
1. Park the wheelchair on a level sur-
face and engage the parking brake.
Switch off the control unit and then
pull out the security plug.
2. Swivel up the seat. – See the Seat
section.
3. Pull out the main and battery fuses.
– See the 'Fuses' section.
4. Slacken the capstan-head screw (Fig.
74/
).
5. Swivel the battery cover to the rear
and unhook it (Fig. 75).
The wheelchair is made ready for use
again in the reverse sequence.
74
75
57
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