4.6.2 Replacement of serial measurement unit
WARNING
See instructions for batteries, Safety risks during handling of batteries on page 36.
Location of serial measurement unit
The serial measurement unit is located inside the base of the robot, behind the
rear cover, as shown in the figure below.
xx0300000106
Rear cover plateA
Different versions, serial measurement unit
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!
Continues on next page
206 Product manual - IRB 4400
3HAC022032-001 Revision: Q
© Copyright 2004-2018 ABB. All rights reserved.
4 Repair
4.6.2 Replacement of serial measurement unit
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