Epson G Series Maintenance Manual page 418

G10 G20 Maintenance 6. Joint #2
Joint #2 (1) A new reduction gear unit contains the parts
reduction gear
unit
Installation
(2) Set the hole on the circular spline and the tap hole
(3) Apply grease (SK-1A) on the flexspline teeth.
(4) Apply grease (SK-1A) inside the flexspline.
(5) Apply grease to the bearing part of the waveform generator.
(6) Execute steps from (2) to (9) in 6.1 Replacing Joint #2 Motor.
400
shown in the picture on the right when it is
unpacked.
on the base.
Apply grease (SK-1A) on the gear side of the
circular spline.
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
Set the flexspline by aligning it with the tap hole.
Aligning the tap hole and mount the flexspline.
Align the position of the air vent of the spacer.
If it is difficult to align the position, move Arm #2
from side to side.
Grease volume 43 g
16-M5×25
Bolt type Number of bolts
16
M5×25
8
M8×20
Flexspline
G10 G20
Circular
spline
Tightening torque
10.0 N⋅m (102 kgf⋅cm)
30.0 N⋅m (306 kgf⋅cm)
G20
G10
Spacer
8-M8×20
G series Maintenance Rev.3