Panasonic MK-G1800PWTQ, Service Manual

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5.4 Cooling Guide and Carbon Brush ­ ( Fig.4 , Fig.5 )
1. Remove the connector A from the motor.
2. Open the two claws of cooling guide.
3. Open the carbon holder using a (­) screwdriver as shown in the Figure 4.
4. There is a copper wire fixed to the shoulder of the carbon brush. Cut the copper wire using nippers, then pull out the
carbon brush. (Figure 5).
5. Insert a new carbon brush into the carbon support plate, then close the carbon holder.
Both the right and left carbon brushes should be replaced at the same time.
Fig.4
Fig.5
5.5 Gear D Shaft, Gear D, Gera C, Gear A and Motor ­ (
Fig.6 )
1. Remove the gear case section and the motor assembly from the motor housing.
2. Removal of the set screws (3 pcs.) from the gear case cover will allow removal of the gear case cover section. (In this
case the gear D shaft and the gear D remain assembled.)
3. Remove “C” type ring for removal of the gear D shaft and the gear D.
4. Since the gear C and the gear A are merely inserted in the gear case shaft, pull them out for replacement.
5. After the gears C and A are removed, remove the set screws (3 pcs.) of motor fastening the gear case, for replacement
of the motor.
Fig.6