C8 Maintenance 8. Joint #4
C Series Maintenance Manual Rev.2 355
Installation: Joint #4 Reduction gear unit
When tightening hexagon socket head cap bolts, refer to the 2.4 Tightening Hexagon Socket
Head Cap Bolts.
1. Apply grease to the mating surface of the sleeve and the fixing bolts.
(for grease leakage prevention for the reduction gear unit)
Fit the J4 sleeve and install the J4 sleeve holder.
Hexagon socket head cap bolts: 4-M3×6
Tightening torque: 2.0 ± 0.1 N·m
2. Install the O-ring to the O-ring groove.
Install the Joint #4 reduction gear unit.
Hexagon socket head cap bolts: 12-M3×28
Tightening torque: 2.4 ± 0.1 N·m
3. Apply grease to the Joint #4 reduction gear unit.
Grease: SK-1A
Grease amount: 20 g
Apply 10g of grease to the wave generator.
Apply the remaining 10 g to the inner side of the flexspline as shown
in the photo.
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