Invacare Storm4 Series Service Manual page 25

• 5 mm Allen key
• 6 mm Allen key
• 10 mm wrench (SSD motors only)
• 19 mm wrench
• Flat screwdriver (large)
• Oblong wooden blocks (at least 14 x 14 x 30 cm)
Removing Carbon Brushes
SSD motors allow you to access the rear carbon brushes more easily by turning the motor around after loosening
nut (5).
Make sure to turn the motor back into its original position after replacing the carbon brushes!
1. Switch OFF mobility device.
2. Remove drive wheel. See 6.8.6 Replacing Drive Wheel
(5–Screw Installation), page 34.
3. Disengage motor.
4. Loosen and remove all plastic caps (3).
5.
To guarantee optimum contact to the collector
used carbon brushes need to be refitted exactly
in same position from which they were taken.
Make marking on motor and carbon brushes to
guarantee correct re-installing.
6. Remove carbon brushes completely from mounting (2).
7. Check carbon brush and spring for level of wear, broken
components or discolouration.
Installing Carbon Brushes
1. Depending on condition of brush and spring:
• either replace brushes in exactly the same position
from which they were taken or
• fit new brushes.
2. Refit plastic caps and tighten firmly.
3. If necessary, turn motor into original position and
tighten nut (5) fingertight.
4. Install drive wheels. See 6.8.6 Replacing Drive Wheel
(5–Screw Installation), page 34.
5. Run in new carbon brushes.
Run In New Carbon Brushes
The following procedure is necessary to run carbon brushes in after replacement and thus guarantee maximum
performance.
CAUTION!
Risk of accidents
Risk to workers, surroundings and mobility device.
– Do not leave mobility device unattended during following procedure.
– Secure area.
1555830-C
Fig. 6-8
Fig. 6-9
Service
25