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4 Repair
4.5.4. Replacement of balancing device (old and new)
3HAC026876-001 Revision: C
288
© Copyri
ght
200
6-2008 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
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
.
9. Remove theprotection plug
covering the shaft in the center of
the piston rod shaft front eye.
Location of balancing device on
.
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
Continues on next page
Содержание IRB 6640 - 180/2.55
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