Invacare Bora Service Manual page 50

SERVICE MANUAL
· Loosen and remove all four plastic caps (3) using a blade screwdriver.
· Note the fixing position and location of the carbon brushes.
Note
Used carbon brushes need to the refitted exactly in the same position from which they were taken
in order to guarantee optimum contact to the collector.
· Make a marking on the motor and the carbon brushes in order to guarantee correct refitting.
· Remove the carbon brushes completely from the mounting (2).
· Check the carbon brush and spring for the level of wear, broken components or discolouration.
Refitting the carbon brushes:
· 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.
· Turn the motor round in position so that the engaging lever can be set both to the "Push" and
the "Travel" position.
· Now retighten the bolt (5) fingertight.
· Refit the drive wheels as described in chapter 7.15.
Note
The following procedure is necessary to run the carbon brushes in after replacement and thus
guarantee maximum performance.
WARNING: Risk of accidents!
Hazards to workers, surroundings and mobility device!
· Do not leave the mobility device unattended during the following procedure!
· Make sure that BOTH drive wheels are raised and CANNOT touch the ground.
· Secure the area.
· 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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Invacare - Bora/Spectra XTR