Epson LS3-401 series User Manual

Maintenance 7. Arm #3
114 LS Rev.10
Z belt
Installation
(1)
Pass
a new Z belt through the shaft.
Z Belt
Spline Plate
3-M4×12
Shaft
(2)
Lower the spline plate
with the Z belt placed
around the spline plate pulley.
Secure the spline plate with 3 screws.
Loosely secure the spline plate on the Arm
#2 and move the shaft up and down several
times before firmly secure the spline plate.
(3)
Mount
the Joint #3 motor unit back in the arm.
(4)
Pass the brake cable and special power
supply through the Z belt.
Place the Z belt around the Z1 pulley and Z2
pulley, with the gear grooves of the belt
fitting into grooves of the pulleys
completely.
3-M4×15
+ Washer
Joint #3
Motor Unit
Z belt
(5)
Loosely secure the Joint #3 motor unit to the
Arm #2.
Secure the ground wire with a mounting screw.
At this point, make sure that the Joint #3 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.
(6)
Apply the proper tension to the Z belt,
and then secure the Joint #3 motor unit.
Pass
a suitable cord or string around the
Joint #3 motor unit
near its mounting
plate
. Then, pull the cord using a force
gauge
or similar tool to apply the
specified tension shown in the figure on
the right
.
Z belt tension
69 N (7.0 ± 0.5 kgf)
3-M4
×15 + Washer
Force Gauge
Joint #3 Motor Unit
Z belt
To
check belt tension with the tension meter, refer to Maintenance:
7.4 Checking the
Timing Belt Tension (Z Belt).
(7)
Mount the
control board.
For details, refer to
Maintenance: 11.3 Replacing the Control Board.
(
8)
Connect the connectors
X231, X241, X31, X35, X41.
(
9)
Mount the User Plate.
For details, refer to
Maintenance: 3.5 User Plate.
(
10)
Bind
the cables with a wire tie in their original positions as before removed in
the
removal
step (7). Do not allow unnecessary strain on the cables.

NOTE

NOTE

Epson LS3-401 series Specifications

General

Brand	Epson
Model	LS3-401 series
Category	Robotics
Language	English