C4 Maintenance 6. Joint #2
5. Fix the cross roller bearing's inner ring and the circular spline.
Hexagon socket head cap bolts: 4-M3×15
Tightening torque: 2.5 N·m (25 kgf·cm)
6. Grease the bearing of the wave generator and install the wave
generator to the shaft.
Hexagon socket set screw: 2-M5×6 (with a brass bushing)
Tightening torque: 3.9 N·m (40 kgf·cm)
When installing the wave generator, push it to the end and set
the set screws on the shaft's flat face.
For the other set screw, set the brass bushing to the end.
7. Install the removed bearing to the shaft.
8. Set the O-ring to the groove on the installation face of the Arm
#2 reduction gear unit.
84
O-ring
C Series Maintenance Manual Rev.2
Bearing