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Hazardous materials may only be kept at the place of work in
quantities required for ongoing tasks. Regularly and safely remove waste and residue. Clean up spilled
substances immediately.
2.5 Safety Instructions for Maintenance Tasks
For design reasons, there are pinch points between the seat and
frame of the B500/B500-S. Special caution is required during all work on the corresponding components.
Note that there is no braking functionality when
the wheel lock is unlocked. The wheel lock must only be unlocked in hazardous situations and for
maintenance or repairs. The corresponding force required for acceleration and deceleration must
come from the person pushing.
Once push mode is no longer needed, the wheel lock release lever must be locked immediately.
NOTICE
• The B500/B500-S power wheelchair must be turned off and the fuse must be removed for all main-
tenance tasks. This does not apply to the functional tests of the electrical components.
• Secure the product to prevent it from tipping over or falling, e.g. off the workbench.
• Some components of the power wheelchair, e.g. the batteries, frame, seat and motors, are very
heavy. Hoisting devices of sufcient capacity must be used where applicable.
• Clean / disinfect the product before you start the inspection. See the instructions for use for care
instructions or specic product inspection information.
NOTICE
Unsecured screw connections can become loose
while using the product. Secure screws and nuts. The screw connections must be tightened properly
after all installation tasks. Dened torque specications must be followed.
The screws and nuts for many of the screw connections are equipped with thread lock. If such screw
connections are opened, the respective nuts / screws must be replaced with components with a new
thread lock. If new screws or nuts with thread lock are not available, use a medium-strength liquid
thread lock substance (such as Loctite 241 or Euro Lock A24.20).
NOTICE
During any work on the seat, the upholstery must be adequately protected
against mechanical and chemical damage. The back rest and seat are ame retardant but nevertheless
ammable. They must not come into contact with open ame or embers.
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