ABB Robotics IRB 6790 Product Manual page 365

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Product manual - IRB 6790
3HAC063331-001 Revision: B
Action
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.
Jog axis-2 to:
• -30° or +30°.
DANGER
Turn off all:
• electric power supply
• hydraulic pressure supply
to the robot, before entering the robot
working area.
Remove the distance tool.
© Copyright 2019 - 2020 ABB. All rights reserved.
4.5.4 Replacing the lower arm
Note
This is done in order to compress the
spring unit inside the balancing device be-
fore refitting or removal of the distance tool.
xx0800000480
A Distance tool: 3HAC030662-001
Continues on next page
4 Repair
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