MIP LM 3086 SE/EPA3 manual, rev2
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16.10.2018
Page 49 / 105
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5.3
APPENDIX C:
LASER UNIT REPLACEMENT AND ALIGNMENT PROCEDURES
Both models have own procedures for replacement of the laser units.
5.3.1
OVERVIEW
NOTE: Laser tube replacement and alignment always involves a clear stack procedure. That is why these
procedures are broken into two sections, yet are listed in the same appendix.
The lasers used in MIP opacity and dust monitors will not cause damage
to your eyes, as long as you don’t
stare at the laser beam. The laser tubes are simply a bright light source, and will not cause any injury to your
eyes unless you expose them to the beam for hours on end, directly in your eye.
5.3.2
REPLACEMENT LM 3086EPA3
If only re-aligning the tube, skip to the alignment procedure.
If replacing the tube, first turn the transmitter power off and disconnect the power plug to the laser tube.
The laser tube power supply uses a very high voltage (2000 VDC) and may arc, causing a serious injury or
death if the power is not disconnected.