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Principle of rough
pre-alignment
Roughly pre-aligning
the purging flanges
30
During pre-alignment, the purging flanges installed opposite to one another
are aligned coaxially to one another using the laser alignment aid.
No.
Meaning
Laser pointer on/off switch
1
Laser beam
2
Focusing screen
3
No.
Meaning
4 stud screws
1
4 fastening nuts
2
Operating instruction LS4000 for NH
and H
O
OI/LS4000/NH3/H2O-EN
3
2
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