C4 Maintenance 10. Joint #6
C Series Maintenance Manual Rev.2 143
Installation: Joint #6 Reduction gear unit
When tightening hexagon socket head cap bolts, refer to the 2.4 Tightening Hexagon Socket
Head Cap Bolts.
1. Unpack the new reduction gear unit package and check if it contains
the parts on the right.
2. Install the wave generator to the shaft.
Insert the washer between the nut and the wave generator.
Set the open-end wrench to the nut and D-cut part (black circle in
the figure), and turn the nut.
Open-end wrench width for the shaft: 5.5 mm
Open-end wrench width for the nut: 8 mm
3. Install the O-ring (of the Joint #6 reduction gear unit) to the Arm #5.
4. Insert the wave generator unit to the Arm #5.
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