Epson G Series Maintenance Manual page 165

(5) Mount the circular spline to Arm #2.
NOTE

(6) Apply grease (SK-2) inside the flexspline.
(7) Install the O ring to the Arm #1.
(8) Install and secure the flexspline.
(9) Execute installation steps (2) to (12) in 6.1 Replacing Joint #2 Motor.
G series Maintenance Rev.3
Loosely secure all bolts in a crisscross
pattern so that the bolts will be secured
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
Be careful not to apply too much force since it may damage the parts
Grease volume 8 g
Slide the Arm #2 to the right/left to adjust the holes position.
G3 Maintenance 6. Joint #2
Bolt type Number of bolts
M3×18 10
10-M3×18
Arm #2
Reduction
gear unit
O-ring
Arm #1
8-M3×35
4-M3×18
Tightening torque
3.0 N⋅m (30.6 kgf⋅cm)
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