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4.3.3 Replacing SMB unit
Location of SMB unit
The SMB unit (SMB = Serial measurement board) is located in the base below the
brake release unit, as shown in the figure.
xx0800000466
A
B
C
D
E
F
G
Required equipment
Equipment
Standard toolkit
3HAC033453-001 Revision: H
R1.SMB3-6
R1.SMB1-2
R2.SMB
SMB unit
Attachment screws M6x16 quality 8.8-A2F (2 pcs)
Brake release unit
Bracket
Note
There are different variants of SMB units and batteries. The variant with the
3-pole battery contact has longer lifetime for the battery.
It is important that the SMB unit uses the correct battery. Make sure to order the
correct spare parts. Do not replace the battery contact!
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4.3.3 Replacing SMB unit
Note
Content is defined in section
on page
341.
Continues on next page
4 Repair
Standard tools
223
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