Epson C Series Maintenance Manual page 80

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C4 Maintenance 5. Joint #1

5. Remove the pulley 1 and the drive boss from the Joint #1 motor

Drive boss and the pulley:

Hexagon socket head set screws: 2-M5×6 (with a brass bushing)

Pulley and the motor shaft:

Hexagon socket head set screws: 2-M5×10 (with a brass bushing)

There is a brass bushing on one of the set screws fixing the drive

boss and the pulley 1. Be careful not to lose it.

6. Remove the electromagnetic brake of the Joint #1.

Hexagon socket head set screw: 1-M5×8

7. Remove the motor plate from the Joint #1 motor.

Hexagon socket head cap bolts: 4-M5×15

C Series Maintenance Manual Rev.2