2.5.4 Manually releasing the brakes
Introduction to manually releasing the brakes
This section describes how to release the holding brakes for the motors of each
axis.
Location of brake release unit
The internal brake release unit is located as shown in the figure.
xx0600002936
Releasing the brakes
This procedure details how to release the holding brakes when the robot is equipped
with an internal brake release unit.
NoteAction
Buttons are shown in figure Loca-
tion of brake release unit on
page 79.
The internal brake release unit is equipped with
buttons for controlling the axes brakes. The buttons
are numbered according to the numbers of the
axes.
If the robot is not connected to the controller, power
must be supplied to the connector R1.MP according
to the section Supplying power to connector R1.MP
on page 80.
1
DANGER
When releasing the holding brakes, the robot axes
may move very quickly and sometimes in unexpec-
ted ways.
Make sure no personnel is near or beneath the ro-
bot.
2
Continues on next page
Product manual - IRB 6620 79
3HAC027151-001 Revision: T
© Copyright 2006-2018 ABB. All rights reserved.
2 Installation and commissioning
2.5.4 Manually releasing the brakes