Epson G20 Series - Page 218

Maintenance 10. Ball Screw Spline Unit
206 G10 / G20 Rev.20
(9)
Loosen the Z belt.
Loosen four bolts on the Joint #3 motor unit. Slide
the Joint #3 motor unit to the end of the arm.
4-M4×15
+ Washer
Joint #3
motor unit
(10)
Loosen the U belt.
Loosen
the bolts mounting the Joint #4 motor unit
on
the motor plate. Slide the Joint #4 motor unit to
the end of the arm.
4-M4×15
+ Washer
Joint #4
motor unit
(11)
Remove the nut mounting
screws of the ball screw
s
pline shaft on the upper part of Arm #2.
3-M5
×15
+ Washer
(12)
Remove the nut mounting screws of the ball screw
s
pline shaft on the lower part of Arm #2.
4-M5×15
+ Washer
(13)
Pull out
the ball screw spline unit from Arm #2.
Ball screw
spline unit