Epson LS20-B Series

Maintenance 7. Joint #3
LS20-B Rev.4 111
Joint #3 motor
Installation
(1)
Mount
the pulley to the Joint #3 motor.
Secure the pulley where the pulley end
face
touches the motor shaft end face.
Joint #3
Motor
M4 Bushing
Pulley
M6×6
Set Screw
M6×6
Set Screw
Tighten one of the set
screws vertically on the flat face of the motor shaft.
Insert a bushing into the other set
screw hole to prevent damage to the motor shaft.
(2)
Mount the Joint #3 motor to the motor
plate while
aligning the hub to the brake
disc.
Before aligning the hub, set the motor so
that the
pulley will be inside of the Z belt.
Joint #3 Motor
Z Belt
4-M4×15+ Plain Washer
Motor Plate
(3)
Loosely
secure the Joint #3 motor unit to
the
Arm #2. Make sure that the teeth of
the timing belt are
engaged with those of
the pulley.
Check that the motor unit can be
moved
by hand,
and it will not tilt when pulled.
Joint #3 Motor Unit
3-M5×20
+ washer for slotted hole
If the unit is tilted, the belt will not have the proper
tension.

NOTE