On the output test screen in the test mode, when 1P gun or2P gun display indicates ON, if the gun does not vibrate, firstcheck the switch unit's circuit protector. If the circuit protectoris satisfactory, check the motor brush.
By referring to the figures below, remove the cover left, coverright and the grip.
Remove a total of 6 U nuts to withdraw the slide mecha. Pay attentionto the wirings to remove the connector.
Take off the two screws from the lower part of the motor to removethe brush. If the motor brush is worn away as shown, replace themotor brush. When replacing the brush, be sure to replace brushesfor both sides simultaneously.