TSI Instruments Aerotrak 9303 - Removal of Optics Block for Cleaning or Laser Replacement

4-14 AeroTrak
®
Handheld and Remote Airborne Particle Counters
Rem o v al of O p t ics B l o ck fo r C leanin g or
La s e r Repla c e m e nt
Follow these instructions to remove optics block prior to cleaning or
laser replacement.
1. Open up the unit
same as for
replacing the
pump and filters
(see instructions
for replacing the
internal pump).
2. Disconnect the
connections to the
pressure
transducer.
Disconnect the
pressure
transducer barb
fitting connected
to the
downstream of
the outlet.