C4 Maintenance 5. Joint #1
C Series Maintenance Manual Rev.2 69
8. Apply grease to the bearing of the wave generator.
Grease: SK-1A
9. Install the wave generator to the shaft.
Hexagon socket head set screws: 2-M5×6
(with a brass bushing)
Tightening torque: 3.9 N·m (40 kgf·cm)
When installing the part, press the wave generator all the way in
and fix the set screw to the D-cut face of the shaft. Insert the
brass bushing to the end of the other set screw.
10. Install the bearing.
11. Install the assembled wave generator unit to the reduction gear
unit.
12. Put the O-ring into the groove on the flange.
Carefully assemble the parts to avoid damaging the O-ring.
(Otherwise the grease may leak.)
Flange
O-ring groove
O-ring
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