4 Repair
4.4.4. Replacement of upper arm
3HAC026876-001 Revision: F276
© Copyright 2007-2010 ABB. All rights reserved.
3. Upper arm including wrist unit:
Fit the lifting eye, VLBG M12 to the attachment
hole, lifting eye on the wrist unit.
Art. no. is specified in Required
equipment on page 273.
Shown in the figure Location of upper
arm on page 272.
4. Upper arm including wrist unit:
Fit one of the pieces included in the lifting
device, upper arm to the front attachment for
the lifting device on the upper arm.
Upper arm without wrist unit:
Fit the lifting device, upper arm to the both
attachments for the lifting device on the upper
arm.
Art. no. is specified in Required
equipment on page 273.
Attachment points are shown in the
figure Location of upper arm on page
272.
NOTE!
The different attachment points,
depends on whether the wrist unit is
mounted or not!
5. In order to release the brake of the axis 3 motor,
connect the 24 VDC power supply, after
removing the motor cover.
Connect to connector R2.MP3
• +: pin 2
• -: pin 5
6. Fasten the lifting tool (chain) onto the lifting eye,
the lifting device and an overhead crane.
Art. no. is specified in Required
equipment on page 273.
7.
CAUTION!
The complete upper arm weighs 380 kg without
any additional equipment fitted! Use a suitable
lifting device to avoid injury to personnel!
8.
NOTE!
For Cleanroom robots apply a protection
where the lifting equipment and roundslings will
rub against the paint of the robot.
In order to prevent from particle emission while
lifting, put for example a 20 mm thick cellular
plastic sheet around the places of the robot
where the lifting equipment may rub against the
paint.
9. Lift the upper arm and move to its mounting
position.
Make sure the lift is done completely level!
Action Note
Continued
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