Removing motors axes 2 and 3
Use this procedure to remove motors axes 2 and 3.
The procedure is the same for both motors.
NoteAction
Decide which calibration routine to use, and
take actions accordingly prior to beginning the
repair procedure.
1
xx1000001101
Run the robot to a position close enough to its
calibration position, to allow the lock screw to
be inserted into the hole for lock screw.
2
See figure above.Lock the lower arm by inserting the lock screw
into the hole of the frame.
3
This is done in order to secure axis 2 from col-
lapsing when the axis 2 motor is being removed.
CAUTION
Tighten by hand!
Run axis 3 to the end position so that it rests
against the mechanical stop. Release the brake
of axis 3 in order to set the weight of axis 3
against the mechanical stop.
4
This is done in order to secure axis 3 from col-
lapsing when the axis 3 motor is being removed.
DANGER
Turn off all:
• electric power supply
• hydraulic pressure supply
• air pressure supply
to the robot, before entering the robot working
area.
5
See section
• Changing oil, gearbox axes 2
and 3 on page 126.
Drain the oil from gearbox.6
Continues on next page
260 Product manual - IRB 660
3HAC025755-001 Revision: W
© Copyright 2006-2020 ABB. All rights reserved.
4 Repair
4.6.2 Replacing motors, axes 2 and 3
Continued
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