4 Repair
4.5.1. Replacement of SMB unit
2973HAC022033-001 Revision: K
© Copyright 2004-2011 ABB. All rights reserved.
4.5 Frame and base
4.5.1. Replacement of SMB unit
Location of SMB unit
The SMB unit (SMB = serial measurement board) is located on the left hand side of the frame
as shown in the figure below.
xx0200000203
Required equipment
A SMB cover
B SMB unit
C Pins
D Battery cable
Equipment, etc. Spare part no. Art. no. Note
SMB unit
Brush - Option: Foundry prime
Rust preventive 3HAC026621-001 Option: Foundry prime
Equivalent:
• Mercasol 3106
Standard toolkit - Content is defined in section
Standard toolkit on page 427.
Circuit Diagram - See chapter Circuit diagram.
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