Maintenance 6. Joint #3 (Replacing the Reduction Gear Unit)
138 S5 Rev.5
Apply grease on teeth of the circular spline.
Grease for reduction gear unit: SK-1A
Insert the bearing into the opposite side of the Arm #3
’
s reduction gear unit mounting
surface.
Pass the circular spline through
the Arm #2 and Arm #3 and joint the arms.
Hexagon socket head cap bolt: 16-M4×12
Tightening torque : 2.8 N·m (0.29 kgf·m)
Insert the housing into the Arm #2 and bearing.
GT-SA bolt : 6-M4×10
Tightening torque : 2.8 N·m (0.29 kgf·m)
housing is not easily inserted, tap the housing
using a plastic hammer or similar
tool.
-
thick grease for the reduction gear unit to
the inner periphery of the flexspline.
Grease for reduction gear unit: SK-1A
grease to the bearing of waveform generator.
Grease for reduction gear unit: SK-1A
liquid gasket to the surfaces of the housing (with
the waveform generator mounted)
and circular spline.
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