Epson E2C Series Manipulator Manual page 154

Maintenance 6. Replacing the Reduction Gear Units (Joint #2)
(4) Match the screw holes on the inner ring of
(5) Secure the reduction gear flange to the
NOTE
(6) Apply grease (SK-2: Green) between the waveform generator and motor flange.
142
the cross roller bearing unit and the
through holes of the circular spline.
circular spline.
Loosely fasten all bolts in a crisscross
pattern so that the bolts will be fastened
evenly. Then, using a torque wrench,
tighten each bolt securely in a crisscross
pattern at the torque specified in the table
below.
Item
Joint #2 reduction gear unit of E2C
Be careful not to apply too much force since it may damage the parts.
For details on the grease quantity, refer to Maintenance: 6.4 Greasing the Reduction
Gear Units. (The grease for the Joint #2 reduction gear unit is different from that
for the Joint #1 reduction gear unit.)
Mounting bolt for reduction gear
(circular splin)
The Number
Bolt Type
of Bolts
M3×18 10
Tightening Torque
294 N⋅cm (30 kgf⋅cm)
E2C Rev.6