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NOTICE
The B500/B500-S
may not be cleaned with a jet of water or a pressure washer under any circumstances. A cloth or sponge
may be used for cleaning. Water must not come into direct contact with the motor.
Check the operating performance of the B500/B500-S power wheelchair after cleaning.
The tyres of the B500/B500-S power wheelchair contain chemical substances that may react with
other chemical substances (e.g. cleaning agents, acids etc.).
2.6 Safety Instructions for Maintenance Tasks on Electrical Components
NOTICE
• If the driving function is not required, turn off the control unit or jack up the drive wheels in order to
prevent uncontrolled operation through accidental joystick activation.
• Water must not come into direct contact with the electronics or battery during maintenance tasks.
• When attaching plug connections on the controller, ensure the contacts are assigned correctly.
Only use a battery charger supplied by Otto Bock which
has been tested and approved for the respective batteries by Otto Bock (observe information on the
charger). Failure to do so can result in a battery explosion and possible impairment of health due to
contact with battery acid.
Smoking and open ame are prohibited while working on the battery. Sparks must be avoided.
Explosive gases can develop while the batteries are charging. Observe the safety information provided
by the battery manufacturer. Wear protective goggles. Ensure sufcient ventilation when charging the
batteries in an enclosed room.
Drive batteries can supply very large amounts of energy and may arc if they are short-circuited. This is
why the battery must be disconnected prior to any work on the motor controls or wiring.
NOTICE
In order to prevent short circuits, always use insulated tools when working
on the batteries.
Prevent deep discharge of the batteries in order to avoid loss of functionality and permanent battery
damage.
Ensure correct polarity is used when connecting the batteries.
NOTICE
Prevent overheating of the charger during the charging process.
Ensure that the cooling ribs on the back of the device are not covered.
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