Epson G20 Series

Maintenance 7. Arm #3
G10 / G20 Rev.20 161
Z belt
Installation : G10
(1)
Pass
a new Z belt through the shaft from above,
and then place it under the spline plate.
3-M5×15
Z belt
Spline plate
(2)
Pass the belt through Arm #2.
(3)
Loosely secure the spline
plate to Arm #2.
After moving the shaft up and down several
times, secure the spline plate to Arm #2.
(4)
Mount the brake to the Joint #4
intermediate
pulley unit.
When mounting the brake, be sure to keep the
wave washer from being stuck.
4-M4×12
Brake
Wave washer
Bearing
(5)
Secure the brake hub with the two set screws.
2-M3×4
set screw
Brake hub
(6)
Align the brake disk to the hub and mount the
Joint #3 motor to the plate.
Be sure to pass the motor through the belt.
Place
the Joint #3 motor to the plate so that the
motor cable faces toward the
left from the end of
Arm #2
.
2-M5×20
Cable
2-M5×10
(7)
Place the Z belt around the Z1 pulley and the Z2
pulley so that the gear grooves of the belt are fit
into those of the pulleys completely.
Z belt
Z2 pulley
Z1 pulley
(8)
Loosely secure the Joint #3 motor unit to Arm
#2.
Loosely secure the Joint #3 motor unit to Arm
#2
so that
the motor unit can be moved by hand, and
it
will not tilt when pulled. If the unit is secured
too loose
or too tight, the belt will not have the
proper tension.
4-M4×15+ Washer
Joint #3
motor unit

NOTE