ABB IRB 6640 - 180/2.55 Product Manual page 323

Articulated robot
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Equipment, etc.
Calibration
Pendulum toolkit
Other tools and
procedures may be
required. See
references to these
procedures in the
step-by-step
instructions below.
Circuit Diagram
Removal, motor axis 4
The procedure below details how to remove the motor, axis 4.
3HAC026876-001 Revision: C
Spare part no.
Action
1. Move the robot to a position where the upper
arm is pointed straight up.
This position enables the motor to be
replaced without draining the gear oil, which
in turn saves time.
Any other position of the upper arm requires
a draining of oil from the gearbox for axis 4.
2.
DANGER!
Turn off all electric power, hydraulic and
pneumatic pressure supplies to the robot!
For Foundry Prime robots: Do not turn off the
air pressure to motors and SMB.
3. Remove the cable gland cover at the cable
exit of the motor by unscrewing its two
attachment screws.
4. Remove the cover on top of the motor by
unscrewing its four attachment screws.
5. Disconnect all connectors beneath the
motor cover.
6. In order to release the brake, connect the 24
VDC power supply.
7. Unscrew the motors four attachment screws
and plain washers.
8. Fit the two guide pins in two of the motor
attachment screw holes.
9. If required, press the motor out of position by
fitting removal tool, motor to the motor
attachment screw holes.
4.6.4. Replacement of motor, axis 4
Art. no.
Note
3HAC15716-1
Complete kit that also
includes operating manual.
These procedures include
references to the tools
required.
3HAC025744-001
See chapter
Note
Draining of oil is described in section
Draining, oil on page
Shown in the figure
page
320.
Make sure the gasket is not damaged!
Connect to connector R2.MP4
+: pin 2
-: pin 5
Shown in the figure
page
320.
Art. no. is specified in
equipment on page
Always use the removal tools in pairs!
4 Repair
Continued
Circuit
diagram.
163.
Location of motor on
Location of motor on
Required
320.
Continues on next page
321

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