4 Repair
4.5.4. Replacement of balancing device (old and new)
3HAC026876-001 Revision: C288
© Copyright 2006-2008 ABB. All rights reserved.
3.
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.
4. Remove all equipment, if any, on
or close to the balancing device.
5. For Cleanroom robots - remove
the lower end of the cable
harness.
Detailed in section Replacement of cable harness,
Cleanroom on page 207.
6.
CAUTION!
The balancing device weighs
210 kg! All lifting equipment used
must be sized accordingly!
7. Fit the shackle to the balancing
device and raise to unload the
weight.
Art. no. is specified in Required equipment.
Where to attach the shackle is shown in the figure
Location of balancing device on page 285.
8. Unload the balancing device with
the press tool in order to make
the piston rod and front ear
adjustable when pulling the shaft
out.
Art. no. is specified in Required equipment.
Detailed in section Unloading the balancing device
(old and new) on page 294.
9. Remove theprotection plug
covering the shaft in the center of
the piston rod shaft front eye.
Shown in the figure Location of balancing device on
page 285.
NOTE!
The protection plug must also be refitted after the
refitting of the balancing device! Don´t loose it!
10. Remove the retaining ring, bore
securing the shaft.
(Old lower arm)
11. Remove the hex socket head
cap screw M16x70 securing the
piston rod shaft front eye.
(New lower arm)
Action Note
Continued
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