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21
Electric Convertokit Service Instructions
Before servicing the electric motor, follow the Pressure
Relief Procedure in the Cleanup section of this manual.
Once you have completed this procedure, unplug the
power supply cord. Failure to reduce pressure can result
in serious injury. Observe all warnings.
1. Remove both inspection covers on motor.
2. Push in the spring clip to unhook it, then pull it out..
3. Loosen the terminal screw. Pull the brush lead away, but
leave the motor lead in place. Remove the brush and
spring.
Terminal Screw
Spring Clip
Brush Lead
Inspection
Cover
NOTE: Brushes should be replaced when they are
worn to less than 1/2 inch. Check and replace
both brushes at the same time. Brush Repair
Kit, Part No. 978-050, consists of 2 brushes, 2
springs, and 2 clips.
WARNING
4. Inspect the commutator for burning, excessive pitting or
gouging. A black color on the commutator is normal.
5. Install the new brush so its lead slides in the long slot of
the brush holder. Push the terminal under the terminal
screw washer. Ensure the motor lead is still connected at
the screw. Tighten the screw.
6. Place the spring on the brush as shown above. Push in
and hook the spring clip. Repeat this procedure for the
other side. Reinstall the inspection covers.
Brush
Brush Holder
Terminal Screw
Spring
Spring Clip
Commutator
