ABB IRB 7600 Series Product Manual page 261

Removal, upper arm
The procedure below details how to remove the complete upper arm.
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Product manual - IRB 7600
3HAC022033-001 Revision: V
Action
Decide which calibration routine to use, and take ac-
tions accordingly prior to beginning the repair proced-
ure.
Run the upper arm to a horizontal position.
DANGER
Turn off all:
• electric power supply to the robot
• hydraulic pressure supply to the robot
• air pressure supply to the robot
Before entering the robot working area.
CAUTION
The complete upper arm weighs 450 kg without any
additional equipment fitted! Use a suitable lifting
device to avoid injury to personnel!
Fit the lifting eye to the attachment hole in the wrist
unit.
Fit one of the pieces included in the lifting device,
upper arm to the attachment holes for lifting device,
upper arm using the included attachment screws.
Run the lifting chain from the rear lifting point through
the overhead crane hook, through the hoisting block
to the lifting eye in the front.
Use the hoisting block to adjust the tension in the
chain in order to lift the upper arm completely level.
Drain the oil from gearbox 3.
Disconnect connector R2.M5/6 at the rear cable divi-
sion point as well as all remaining connections to the
upper arm.
Disconnect all connectors inside motors 3 and 4.
Remove all brackets securing cabling to the upper
arm by unscrewing their attachment screws respect-
ively.
Raise the lifting equipment to take the weight of the
upper arm.
Carefully remove the upper arm attachment screws .
Make sure that the upper arm is lifted in a completely
level position in all planes in order not to damage the
upper arm!
Lift the upper arm and place it on a secure surface.
© Copyright 2007 - 2018 ABB. All rights reserved.
4.4.3 Replacement of complete upper arm
Note
Shown in the figure
upper arm on page
Art. no. is specified in
equipment on page
Shown in the figure
upper arm on page
Art. no. is specified in
equipment on page
Art. no. is specified in
equipment on page
Detailed in section
oil, axis-3 gearbox on page
Shown in the figure
upper arm on page
30 pcs.
Continues on next page
4 Repair
Continued
Location of
259.
Required
260.
Location of
259.
Required
260.
Required
260.
Changing
190.
Location of
259.
261