Epson LS3-401 series

Maintenance 6. Arm #2
106 LS Rev.10
(5)
Set the O-ring removed in the removal
step (6) into the O-ring groove of the
Arm #1 and install the flexspline on the
Arm #1.
A: LS3: 10-M3×18
LS6: 16-M3×28
B: LS3: 8-M3×30+8-M3 small washer
LS6: 8-M3×32+8-M3 small washer
C: LS3: 4-M3×15+4-M3 small washer
LS6: 4-M3×12+4-M3 small washer
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.
A
Arm #2
Reduction
Gear Unit
Arm #1
C
O ring
B
Item Bolt type Tightening torque
Joint #2 reduction gear unit M3
2.35 N⋅m (24 kgf⋅cm)
Be careful not to apply too much force since it may damage the parts
(6)
Apply grease between the motor flange and waveform generator and next inside the
flexspline.
Grease volume Between the motor flange and waveform generator
LS3: 4 g (SK-2)
LS6: 6 g (SK-1A)
Inside the flexspline
LS3: 11 g (SK-2)
LS6: 16 g (SK-1A)
(7)
Set the attached O-ring into the O-ring groove of the circular spline.
Secure the Arm #2 on the circular spline.
(8)
Mount
and Joint #2 motor.
Follow the installation steps in
Maintenance: 6.1 Replacing Joint #2 Motor.

NOTE