4 Repair
4.4.4. Replacement of upper arm
273
3HAC026876-001 Revision: F
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ght
200
7-2010 ABB.
All rights reserved.
Required equipment
Removal, upper arm
The procedure below details how to remove the upper arm.
Equipment
Art. no.
Note
Sealing, axis 2/3
3HAC17212-1
Always use a new sealing when
refitting the upper arm!
Washer, axis 3 (3 pcs)
3HAC12703-1
To be replaced if damaged.
Guide pins, sealing axis 2/3 80 mm
3HAC14628-1
For guiding "Sealing, axis 2/3".
Guide pins, sealing axis 2/3 100 mm
3HAC14628-2
For guiding "Sealing, axis 2/3".
Power supply
-
24 VDC, max 1,5A
For releasing the brakes.
Rotation tool
3HAC17105-1
Used to rotate the motor shaft
beneath the motor cover, when
brakes are released with 24 VDC
power supply.
Lifting eye VLBG M12
3HAC16131-1
Lifting device, upper arm
3HAC15994-1
Lifting tool (chain)
3HAC15556-1
To be used together with lifting
eye, M12 and lifting device, upper
arm.
Standard toolkit
-
The content is defined in the
section
.
Other tools and procedures may be
required. See references to these
procedures in the step-by-step instruc-
tions below.
These procedures include
references to the tools required.
Action
Note
1. Remove all equipment fitted to turning disk.
2. Move the upper arm to a horizontal position.
Rotate axis 4 so that the attachment hole for lifting
eye is faced upwards!
Shown in the figure
3. Rotate axis 5 to po90°
4.
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.
5. Upper arm including wrist unit:
Fit the lifting eye, VLBG M12 to the attachment hole
for lifting eye on the upper arm tube.
Art. no. is specified in
.
Shown in the figure
Continued
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