Unloading a new spare part, balancing device
NoteAction
DANGER
Do not use the Distance tool: 3HAC030662-
001 to unload or restore the pressure of
the balancing device spring unit! This tool
is only used to lock the spring unit in a
compressed position, after axis-2 has been
jogged to -20° or +20°. Fitting and removal
of the tool shall only be done with axis-2 in
this position!
To unload or restore a new balancing
device or if the spring unit of the balancing
device cannot be compressed by jogging
the robot, only use the hydraulic press tool
Dismantle and mounting tool 3HAC028920-
001.
1
How to unload a new balancing device (a
spare part, not yet fitted to the robot) is
described in Unloading the balancing
device on page 379.
Before a new spare part balancing device
is fitted, the springs must be unloaded us-
ing the press tool balancing device
3HAC020902-001.
2
Refitting the rear shafts
Perform this procedure on both sides.
NoteAction
DANGER
Turn off all:
• electric power supply
• hydraulic pressure supply
• air pressure supply
to the robot, before entering the robot
working area.
1
Lift the balancing device into position in
the cradle.
2
xx1300000838
Apply a big screwdriver between the cradle
and the balancing device, as shown in the
figure when the shafts are refitted.
3
Apply the refitting tool and press the shafts
into position one at a time.
4
Continues on next page
362 3HAC044266-001 Revision: -
© Copyright 2013 ABB. All rights reserved.
4 Repair
4.6.2 Replacing the balancing device
Continued
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