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4 Repair
4.5.3. Replacement of balancing device
279
3HAC022033-001 Revision: E
©
Co
py
rig
h
t 200
4 - 20
08 ABB.
All r
ig
h
ts r
e
se
rv
ed
.
Removal, balancing device
The procedure below details how to remove the balancing device.
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.
Equipment
Spare part no.
Art. no.
Note
Action
Note
1. Move the lower arm to a position close to the
calibration position.
2.
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.
3. Secure the lower arm to the frame by inserting
the
locking screw
into the attachment hole in
the frame.
Attachment hole for the locking screw
is shown in the figure
points, balancing device on page 277
Art. no. is specified in
!
4.
CAUTION!
The balancing device weighs 300 kg! All lifting
equipment used must be sized accordingly!
5. Fit the
lifting eye, M12
to the balancing device
and raise to unload the weight.
Art. no. is specified in
!
Attachments are shown in the figure
Attachment points, balancing device
on page 277
.
6. 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
!
Detailed in section
7. Remove the securing screw and washer from
the
balancing device shaft.
Shown in the figure
Continued
Continues on next page