NoteAction
DANGER
Turn off all:
• electric power supply to the
robot
• hydraulic pressure supply
to the robot
• air pressure supply to the
robot
Before entering the robot working
area.
6
Detailed in the section Replacement of cable har-
ness, lower end (axes 1-2) on page 185.
Remove the cable harness, axes
1-3.
7
Let the removed part of the cable
harness hang loose and take care
not to damage it during the remov-
al process.
8
Shown in the figure Location of gearbox axis 2 on
page 286.
Remove the attachment screws
M16x50 (16 pcs) that secure the
lower arm to gearbox axis 2.
9
Remove the upper and lower arms
and put them down on the floor.
10
Detailed in the section Replacement of motor axis
2 on page 247.
Remove motor axis 2.11
Remove two attachment screws
(M12x60) parallel to each other.
12
Fit two guide pins in the holes,
parallel to each other.
13
CAUTION
The gearbox weighs 98 kg! All lift-
ing equipment used must be sized
accordingly!
14
Continues on next page
Product manual - IRB 6620 289
3HAC027151-001 Revision: T
© Copyright 2006-2018 ABB. All rights reserved.
4 Repair
4.7.2 Replacement gearbox axis 2
Continued
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