Maintenance 8. Arm #4
130
LS Rev.10
(7) Mount the Joint #4 motor unit on the Arm
#2 with the U1 belt around the pulley.
Joint #4
Motor Unit
U1 belt
Pulley
(8) Loosely secure the Joint #4 motor unit to
the Arm #2.
Make sure 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.
(9) Apply the proper tension to the U1 belt
and secure the Joint #4 motor unit.
Pass a suitable cord or string around the
Joint #4 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.
U1 belt tension
LS3
= 39 N (4.0
±
0.5 kgf)
LS6 (a) = 39 N (4.0
±
0.5 kgf)
LS6 (b) = 58 N (5.9
±
0.5 kgf)
3-M4
×
12
+ Washer
Force Gauge
Joint #4
Motor Unit
To check belt tension with the tension meter, refer to
Maintenance: 8.4 Checking the
Timing Belt Tension (U1, U2 Belts)
.
(10) Put the Joint #3 motor unit back in the
arm.
3-M4×15
+ Washer
Joint #3
Motor Unit
(11) Pass the brake cable and special power
supply through the Z belt.
Set the Z belt around the Z1 pulley and
Z2 pulley, with the gear grooves of the
belt fitting into grooves of the pulleys
completely.
(12) Loosely secure the Joint #3 motor unit to Arm #2.
Secure the ground wire with a mounting screw.
Make sure 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.
NOTE
Summary of Contents for LS series
Page 1: ...Rev 10 EM16XR3299F SCARA ROBOT LS series MANIPULATOR MANUAL ...
Page 2: ...MANIPULATOR MANUAL LS series Rev 10 ...
Page 10: ...viii LS Rev 10 ...
Page 14: ...TABLE OF CONTENTS xii LS Rev 10 ...
Page 16: ......
Page 78: ...64 ...
