ABB Robotics IRB 6790, Руководство по эксплуатации продукта

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Removing the bearing, cradle
Use these procedures to remove the bearing in the cradle.
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
Product manual - IRB 6790 401
3HAC063331-001 Revision: B
© Copyright 2019 - 2020 ABB. All rights reserved.
4 Repair
4.6.3 Replacing the rear bearings on the balancing device
Continued