ABB LS4000 Operating Instructions Manual page 71

LS4000, LS4060 DIODE LASER ANALYZERS | OI/LS4000/O2-EN REV. A
Align the purging flanges as follows:
Step Procedure
1 Unscrew the 4 stud screws 1 until the ends of the screws no longer
protrude from the holes.
2 Switch on the laser pointer.
3 Align the purging flange by adjusting the 4 fastening nuts 2 until
the laser beam hits the center of the focusing screen.
4 Turn the 4 stud screws 1 until they reach a stop, so that they fix
the setting.
5 Switch off the laser pointer.
6 Disassemble the laser pointer and the focusing screen.
The clamps for fastening the laser alignment tool must not be
used for mounting the transmitter unit or receiver unit.
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