Epson LS20-BA04S

Maintenance 6. Joint #2
106 L
S20-B Rev.4
Joint #2
R
eduction
G
ear Unit
Installation
(1)
A
new
reduction gear unit contains the
parts shown
in the picture on the right
when it
is unpacked.
T
he gear grooves of the flexspline, circular
spline
, and the bearings of the waveform
generator
have been greased. Wipe off
excess grease
from the mounting surface.
O-ring
Flexspline and
Cross roller bearing unit
Circular spline
Waveform generator
C
AUTION
■
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.
(2)
Fit the
O-rings into the grooves on both
side
s of the new circular spline.
Make
sure that the rings do not come out
of the grooves.
Convex side
Grooves
The other side
(3)
Face the convex side of the circular spline
down,
and then fit it into the flexspline.
If it is difficult to fit in, rotate the
circular
spline a little bit and change the position.
(4)
M
atch the screw holes on the inner ring of
the cross roller bearing unit and the
through holes of the circular spline.