4 Repair
4.5.2. Replacement of brake release unit
1953HAC027151-001 Revision: B
© Copyright 2006-2008 ABB. All rights reserved.
4.5.2. Replacement of brake release unit
Location of brake release unit
The SMB/BU unit (SMB = serial measurement board, BU = brakerelease unit) is located on
the left hand side of the frame as shown in the figure below.
The SMB unit and the BU unit are both located inside the SMB/BU box.
xx0600003052
Required equipment
A Attachment screws (4 pcs)
B SMB/BU unit
C Velcro strap
D Battery pack
E SMB/BU box
F Serial measurement unit (SMB), DSQC 633
G Brakerelease unit (BU), DSQC 563
H Push button guard
I Cover, push button guard
J Gasket (Foundry Plus)
Equipment, etc. Art. no. Note
Brake release unit with buttons 3HAC16035-1 Located together with the SMB-unit at
the left hand side of the frame.
Standard toolkit - The content is defined in section
Standard toolkit on page 265.
Other tools and procedures may
be required. See references to
these procedures in the step-by-
step instructions below.
These procedures include references
to the tools required.
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