4 Repair
4.5.4. Replacement of balancing device
3253HAC023082-001 Revision: E
© Copyright 2004-2008 ABB. All rights reserved.
Removal, balancing device
The procedure below details how to remove the balancing device.
Action Note/Illustration
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 Attachment
points, balancing device on page 323.
Art. no. is specified in Required
equipment on page 323!
4.
CAUTION!
The balancing device weighs 210 kg! All lifting
equipment used must be sized accordingly!
5. Fit the shackle to the balancing device and
raise to unload the weight.
Art. no. is specified in Required
equipment on page 323!
Attachments are shown in the figure
Attachment points, balancing device
on page 323.
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 Required
equipment on page 323!
Detailed in section Unloading the
balancing device on page 331.
7. Remove the securing screw from the balancing
device shaft.
Shown in the figure Location of
balancing device on page 322!
8. Apply the puller tool, balancing device shaft to
the shaft through the hole in the frame.
The shaft has a M20 thread diameter, as shown
in the figure to the right.
Pull the shaft out using the puller tool and the
hydraulic pump.
xx0300000056
Note! The dimension of the shaft
puller tool is M20. Do not mix up with
the shaft press tool used when
mounting the shaft.
Art. no. is specified in Required
equipment on page 323!
The hole in the frame is shown in the
figure Attachment points, balancing
device on page 323!
Continued
Continues on next page
To Next Page
Loading...
