Note
Action
DANGER
Turn off all:
•
electric power supply
•
hydraulic pressure supply
•
air pressure supply
to the robot, before entering the robot working
area.
2
xx1000001101
Secure the lower arm with a
lock screw
in the
hole as shown in the figure to the right.
CAUTION
Tighten by hand!
3
See
Replacement of linkage - upper
Remove the linkage.
4
See
Replacing the linkage - lower rod
See
Replacement of linkage - link on
See
Replacing the balancing device
Remove the balancing device.
5
Also see
Remove the parallel rod.
6
Also see
Remove the cable harness in the upper and
lower arm.
7
Secure the cable harness in a way that it is pro-
tected from oil spill and damage.
See
Remove the complete upper arm.
8
See
Replacing motors, axes 2 and 3
.
Remove the axes 2 and 3 motors.
9
Also see
Remove the axes 2 and 3 gearboxes.
10
CAUTION
The robot lower arm weighs 65 kg.
All lifting accessories used must be sized accord-
ingly!
11
Continues on next page
Product manual - IRB 660
223
3HAC025755-001 Revision: W
© Copyright 2006-2020 ABB. All rights reserved.
4 Repair
4.4.8 Replacing the complete lower arm
Continued
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