ABB IRB 6620 Product Manual page 296

4 Repair
4.7.3 Replacement of gearbox axis 3
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Action
Move the robot to the position shown in the
figure to the right.
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.
Drain the oil from gearbox axis 3.
Remove the upper arm.
While the upper arm is resting on its side on
the floor, fit the lifting tool in the uppermost hole
of the gearbox.
CAUTION
The gearbox weighs 51 kg! All lifting equipment
used must be sized accordingly!
Secure the gearbox with a roundsling in an
overhead crane.
Remove the attachment screws securing the
gearbox to the upper arm.
Remove the gearbox and put it in a safe place.
© Copyright 2006-2018 ABB. All rights reserved.
Note
xx0600003125
Detailed in the section Changing oil,
axis-3 gearbox on page 157.
Detailed in the section Replacement
of the upper arm on page
Art. no. is specified in Required
equipment on page 294.
Shown in the figure Location of gear-
box axis 3 on page 294.
Product manual - IRB 6620
3HAC027151-001 Revision: T
222.