4 Repair
4.5.2. Replacement of brake release unit
3013HAC022033-001 Revision: K
© Copyright 2004-2011 ABB. All rights reserved.
4.5.2. Replacement of brake release unit
Different designs
Depending on the robot version, the brake release unit may be located either at the base or at
the frame. The following two figures show the different locations.
The early design includes a brake release unit with or without push buttons, located at the
base. The later design instead includes a brake release unit with push buttons, placed together
with the SMB unit on the left hand side of the frame.
The different designs are not compatible.
Location of brake release unit, base
The early design includes a brake release unit with or without push buttons, located at the base
as shown in the figure below.
xx0200000127
A Brake release circuit (brake release unit inside)
B Attachment screws, brake release circuit, 4 pcs
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