Note
Action
Follow the instructions given in the refer-
ence calibration routine on the FlexPendant
to create reference values.
If the robot is to be calibrated with refer-
ence calibration:
Find previous reference values for the axis
or create new reference values. These val-
ues are to be used after the repair proced-
ure is completed, for calibration of the ro-
bot.
Creating new values requires possibility to
move the robot.
Read more about reference calibration for
Axis Calibration in
.
If no previous reference values exist, and
no new reference values can be created,
then reference calibration is not possible.
If the robot is to be calibrated with fine
calibration:
Remove all external cable packages
(DressPack) and tools from the robot.
Removing the axis-4 primary gearbox
Use these procedures to remove the gearbox.
Preparations before removing the gearbox
Note
Action
Decide which calibration routine to use,
and take actions accordingly prior to begin-
ning the repair procedure.
1
Jog the robot to the most comfortable pos-
ition for removing the axis-4 primary gear-
box.
2
DANGER
Turn off all:
•
electric power supply
•
hydraulic pressure supply
•
air pressure supply
to the robot, before entering the robot
working area.
3
See
Draining the axis-4 primary gearbox
.
Start draining the oil in the axis-4 primary
and secondary gearboxes.
4
Disconnecting the axis-4 motor cables
Note
Action
DANGER
Make sure that all supplies for electrical
power, hydraulic pressure, and air pressure
are turned off.
1
Continues on next page
762
Product manual - IRB 8700
3HAC052853-001 Revision: F
© Copyright 2015-2018 ABB. All rights reserved.
4 Repair
4.8.5 Replacing the axis-4 primary gearbox
Continued
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