Maintenance 5. Arm #1
LS20 Rev.4 91
eduction
ear Unit
new reduction gear unit contains the
in the picture on the right
is unpacked.
The gear grooves of the flexspline,
circular spline
, and the bearings of the
have been greased.
from the
surface.
Flexspline and
Cross roller bearing unit
CAUTION
■
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.
O-rings into the grooves on both
s of the new circular spline.
sure that the rings do not come out
Face the convex side of the circular spline
down,
and then fit it into the flexspline.
atch the screw holes on the inner ring
of the cross roller bearing unit and the
through holes of the circular spline.
the circular spline to the cross
. 4-M4×20
Tightening torque
: 4.0 N∙m (40.8 kgf∙cm)
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