Epson G Series Maintenance Manual page 164

G3 Maintenance 6. Joint #2
NOTE

When tightening hexagon socket head cap bolts, refer to the 2.4 Tightening Hexagon Socket
Head Cap Bolts.
Joint #2 (1) A new reduction gear unit contains the
reduction gear
unit
Installation
■ Never adjust (loosen or tighten) the mounting bolts between the flexspline and
cross roller bearing unit. If the mounting bolts are adjusted, the flexspline and
cross roller bearing unit must be aligned by the maker of the reduction gear unit.
CAUTION
(2) Fit the O-rings into the grooves on both
(3) Face the convex side of the circular spline
(4) Match the screw holes on the inner ring of
146
parts shown in the picture on the right
when it is unpacked.
The gear grooves of the flexspline, circular
spline, and the bearings of the waveform
generator have been greased.
excess grease from the mounting surface.
sides of the new circular spline.
Make sure that the rings do not come out
of the grooves.
down, and then fit it into the flexspline.
the cross roller bearing unit and the
through holes of the circular spline.
O-ring
Wipe off
Waveform generator
G series Maintenance Rev.3
Flexspline and
Cross roller bearing unit
Circular spline
Convex side
Grooves
The other side