ABB OmniCore IRB 6740 Product Manual page 397

Equipment
Rotation tool M4
Guide pin, M10x150
Bits extender
Removal tool motor M12
Calibration toolbox, Axis Calibra-
tion
Standard toolkit
Removing the motor
Use these procedures to remove the motor.
Preparations before removing the motor
1
2
3
Product manual - IRB 6740
3HAC085701-001 Revision: A
Action
Decide which calibration routine to use, and take
actions accordingly prior to beginning the repair
procedure.
Drain the axis-3 gearbox.
Unload the upper arm using one of these meth-
ods:
• Use caution and jog axis-3 to maximum +
position. Release the brakes and let the
upper arm rest against the axis-3 damper.
Position shown in figure.
• Robot in synchronization position: use a
fork lift to rest the upper arm onto.
• Robot in synchronization position: use lift-
ing slings and an overhead crane to rest
the upper arm onto.
© Copyright 2023 ABB. All rights reserved.
5.8.3 Replacing the axis-3 motor
Article number Note
3HAB7887-1 Used to rotate the motor pinion.
Add screw M4.
3HAC15521-2 Always use guide pins in pairs.
3HAC12342-1 300 mm, bits 1/2"
3HAC14631-1 Used to push out the motor, if
necessary.
Always use removal tools in
pairs.
3HAC074564-001 Delivered as a set of calibration
(axes 1, 2, 3 and 4) tools.
3HAC074119-001 Required if Axis Calibration is the
(axes 5 and 6) valid calibration method for the
robot.
- Content is defined in section
Standard toolkit on page
Note
See Draining the axis-3 gearbox on
page
xx2200001810
5 Repair
Continued
652.
148.
Continues on next page
397