9. Install the reduction gear unit.
Hexagon socket head cap bolt: 12-M4×30
Tightening torque: 4.9 N·m (50 kgf·cm)
Installation face of the Arm #2 reduction gear unit has
clearance holes.
Install the reduction gear unit to match the screws and the
clearance holes.
10. Grease the inner side of the flexspline.
Grease: SK-1A
Grease amount: 30 g
11. Set the wave washer to the position where the Arm #2 bearing
will be set.
12. Insert the wave generator to the reduction gear unit and fix it.
C Series Maintenance Manual Rev.2
C4 Maintenance 6. Joint #2
Bolts
Wave washer
Holes
85