ABB Robotics IRB 6790, Руководство по эксплуатации продукта

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Unloading or locking the balancing device springs
Use this procedure to unload the balancing device with the help of the robot, and
lock the balancing device springs in a compressed position, using the Distance
tool (3HAC030662-001).
Note Action
DANGER
Do not use the Distance tool (3HAC030662-
001) to unload or restore the pressure of
the balancing device springs! This tool is
only used to lock the spring unit in a com-
pressed position, after axis-2 has been
jogged to -30° or +30°. 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,
balancing device (3HAC020902-001).
1
This is done in order to compress the bal-
ancing device springs inside the balancing
device before fitting the Distance tool. Jog axis-2 to:
• -30° or +30°
2
DANGER
Turn off all:
• electric power supply
• hydraulic pressure supply
to the robot, before entering the robot
working area.
3
xx1300000554
Remove the cover plate on the back of the
balancing device.
DANGER
DO NOT remove any other screws than the
rear cover attachment screws.
4
Continues on next page
386 Product manual - IRB 6790
3HAC063331-001 Revision: B
© Copyright 2019 - 2020 ABB. All rights reserved.
4 Repair
4.6.2 Replacing the balancing device
Continued