Replacing The Carbon Brushes (Standard Motor) - Invacare TDX-SP Service Manual

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Invacare - TDX-SP / TDX-SP N

8.19.7 Replacing the carbon brushes (Standard motor)

Note
Always replace all the carbon brushes on both motors.
WARNING: Danger of crushing!
The mobility device is very heavy. Injury hazard to hands and feet!
● You should seek help from a second person.
Requirements:
● 5/8" Allen key
● 7/8" Allen key
● 5/16" Allen key
● blade screwdriver
● Phillips screwdriver size 2
● 1/2" socket spanner
● 1/4" socket spanner
● 5/16" socket spanner
● torque wrench 5 - 25 Nm (or similar)
● two long wooden blocks, min. 14 x 14 x 30 cm
Removing the carbon brushes:
● Switch the mobility aid off.
● Remove the drive wheels as described in Chapter 8.13.1.
● Remove the bottom walking beams as described in Chapter 8.17.
● Remove the top walking beams as described in Chapter 8.18.
● Disengage the motor (1) by setting the engaging lever to "Push".
● Undo all four plastic caps (3) with a blade screwdriver and remove the caps.
● Pull the carbon brushes (4) a little out of the brush holder. Note the fixing position and location
of the carbon brushes.
Note
If the carbon brushes were checked but not replaced, you must know their exact fitting position.
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.
SERVICE MANUAL
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