Epson C Series Maintenance Manual page 130

C4 Maintenance 8. Joint #4
9. Remove the Joint #4 output pulley.
Hexagon socket set screws: 2-M3×8 (with a brass bushing)
There is a brass bushing on the end of the set screw.
Be careful not to lose it.
When removing the Joint #4 output pulley, remove the bearing
together.
Hexagon socket head cap bolts: 3-M3×6
The bearing will be used again. Be careful not to lose it.
10. Remove the Joint #4 reduction gear unit flange.
Hexagon socket head cap bolts: 3-M3×8
When removing the flange, remove the two bearings and the metal
seal together.
The parts will be used again. Be careful not to lose it.
The parts are greased. Wipe grease on the parts while removing
them.
11. Remove the wave generator from the Joint #4 reduction gear unit.
The parts are greased.
them.
110
(with a spring washer and a plain bushing)
Wipe grease on the parts while removing
C Series Maintenance Manual Rev.2
Metal seal