Epson ProSix S5 Series Manual page 149

Maintenance 6. Joint #3 (Replacing the Reduction Gear Unit)
(9) Remove the bearing and oil seal from the Arm #3.
(10) Remove the flexspline from the Arm #3.
Hexagon socket head cap bolt: 32-M3×10 (with disc spring 2H-3)
(11) Remove caked-on liquid gasket residue with a scraper or similar tool.
(12) Repair scratches incurred during tap use with a sharpening stone or similar tool.
S5 Rev.5
135