ABB IRB 6620LX Product Manual page 226

4 Repair
4.5.1 Replacement of SMB unit
Continued
Required equipment
Equipment, etc.
Serial measurement
unit (SMB)
Standard toolkit
Circuit diagram
Removal, SMB unit
The procedure below details how to remove the SMB unit.
1
2
3
4
Continues on next page
226
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!
Spare part no.
Action
Move the robot to the calibration position.
DANGER
Turn off all:
• electric power supply to the robot
• hydraulic pressure supply to the robot
• air pressure supply to the robot
Before entering the robot working area.
ELECTROSTATIC DISCHARGE (ESD)
The unit is sensitive to ESD. Before handling
the unit read the safety information in section
The unit is sensitive to ESD on page 31
Unscrew the attachment screws of the SMB/BU
unit and carefully lift it out of its box.
CAUTION
Clean cover from metal residues before open-
ing.
Metal residues can cause shortage on the
boards which can result in hazardous failures.
© Copyright 2009-2018 ABB. All rights reserved.
Art. no. Note
Spare part lists on
page 351.
- Content is defined in section
Special tools on page
See chapter
on page
Note
Shown in the figure
unit on page
Product manual - IRB 6620LX
3HAC035737-001 Revision: P
349.
Circuit diagram
353.
Location of SMB
225.