Invacare Storm4 Max Service Manual page 109

® 4
Invacare - STORM

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.

Refit the drive wheels as described in chapter 7.18.1.
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!
 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.
MAX SERVICE MANUAL
109