Permobil Chairman 2k Owner's Manual page 35

Owner's Manual Chairman 2k/2s
Any inappropriate modifications to the wheelchair and its various systems may
entail an increased risk of accidents. Carefully follow the recommendations in
the Handling section to prevent the risk of accidents in connection with driving.
All modifications to and interventions in the vital systems of the wheelchair must
be performed by a qualified service engineer. Always contact a qualified service
engineer in cases of doubt.
Set the circuit breaker to "OFF" before servicing the wheelchair's electronics.
Take care when using metal objects in connection with work on the batte-
ries. Short-circuiting can easily cause an explosion. Always use protective
gloves and goggles.
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Maintenance and Repairs