•
Depending on the condition of the brush and the spring:
- either replace the brushes in exactly the same position from which they were taken or
- fit new brushes.
•
Refit the plastic caps and tighten them firmly.
•
Refit the drive wheels as described in Chapter 8.16.1.
Note
The following procedure is necessary to run the carbon brushes in after replacement and thus
guarantee maximum performance.
CAUTION: Risk of accidents!
• Hazard for people, surroundings and mobility aid. Never leave the mobility aid unattended
during the following procedure! Safeguard the area around the mobility aid.
•
Lift the mobility aid up on one side and get a second person to place a wooden block around
14 cm high underneath it so that the drive wheel is suspended freely.
•
Also repeat this on the other side of the mobility aid.
•
Allow the motors to run for an hour in forward direction.
•
Allow the motors to cool down for 30 minutes.
•
Allow the motors to run for an hour in reverse direction.
•
Lift the mobility aid off the wooden blocks.
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