NoteAction
Brake release tool: 3HAC079146-
001
Take out the tool from its holder.1
xx2000002542
DANGER
When releasing the holding brakes, gravity can af-
fect the robot so that the arm moves downwards
quickly.
Make sure that the arm is secured against col-
lapsing under gravity and that no personnel is at
risk of getting hit by the arm moving downwards.
2
xx2000002538
Release the holding brake on a particular robot
axis by holding the brake release tool against the
small round recess at the axis.
The brake will function again as soon as the tool is
removed.
3
The sensor behind the cover is
triggered by the tool magnet and
the corresponding motor holding
brake will be released.
If any faulty functionality is dis-
covered, see Brake release tool
does not work on page 1063.
Put back the tool in its holder and store on specified
location close to the robot.
4
Continues on next page
Product manual - CRB 15000 73
3HAC077389-001 Revision: L
© Copyright 2021 - 2023 ABB. All rights reserved.
3 Installation and commissioning
3.3.4 Manually releasing the brakes with the external tool
Continued
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