Maintenance 5. Arm #1
G3 Rev.14 109
5.2 Replacing Joint #1 Reduction Gear Unit
A reduction gear unit consists of the following three parts. When replacing the reduction
gear unit, be sure to always replace the waveform generator, flexspline, and circular spline
all together as one set.
Waveform generator / Flexspline / Circular spline
For details of the reduction gear unit, refer to Maintenance: 14. Maintenance parts list.