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1.1 Foreword
This service manual describes all regular maintenance tasks as well as repair and replacement
tasks for the B500/B500-S power wheelchair from Otto Bock. They include all information required
by dealers to correct functional and mechanical defects on components of the B500/B500-S.
The knowledge in this service manual is essential in order to work on the B500/B500-S cor-
rectly and safely. This is why this document, in particular the section “Safety Instructions”, must
be read carefully by all persons working on the B500/B500-S. This ensures the functionality of
the B500/B500-S is fully utilised.
1.2 Intended Use
The B500/B500-S power wheelchair is intended for indoor and outdoor individual self-transpor-
tation by persons with limited mobility. The B500/B500-S power wheelchair may only be used
by persons who have the required physical and mental capacities.
Any other use is considered improper use. The manufacturer is not liable for any personal injury
or damage to property resulting from improper use; in such cases, the user has sole liability.
The B500/B500-S power wheelchair may only be used by properly trained persons. Training
is one of the prerequisites in order to protect against personal risks and in order to operate the
B500/B500-S power wheelchair safely and properly.