4 Repair
4.5.4. Replacement of balancing device
3HAC020993-001 Revision: G
290
©
Co
py
rig
h
t 200
4-
200
8 ABB. All righ
ts reser
v
ed.
Refitting, balancing device
The procedure below details how to refit the balancing device.
9. Restore the balancing device.
Detailed in section
.
10. Secure the two
bearing attachments
to the
balancing device by replacing the protection
plug on the outside of each attachment, with
securing screws.
The protection plugs must be refitted after
refitting the balancing device, do not loose
them!
Shown in the figure
!
Dimensions for the securing screws
are specified in
.
11. Remove the two
bearing attachments
from the
frame by unscrewing their four
attachment
screws.
Shown in the figure
!
Make sure the parallel pins inside are
not lost!
12. Fit two
guide pins
through the upper holes of
the bearing attachments, to the frame.
13. Lift the balancing device gently backwards to a
secure area, allowing the bearing attachments
to slide on the guide pins.
Note!
Make sure not to burden the
guide pins with the weight of the
balancing device!
Action
Note/Illustration
Action
Note
1.
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.
2. Secure the lower arm to the frame by inserting
the
locking screw
into the attachment hole in
the frame.
Art. no. is specified in
Attachment hole is shown in the
figure
3. Secure the
bearing attachments
to the
balancing device with
securing screws
.
Shown in the figure
points, balancing device on page
287
Dimension of the securing screws is
specified in
.
4. Refit the two
parallel pins
in the frame.
Shown in the figure
!
5. Fit two
guide pins
to the upper holes in the
frame, where the bearing attachments are to be
attached.
Continued
Continues on next page