MRK-D-0048 V4
Aeroqual Dust Sentry / AQS User Guide
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2.4 Assembly
Online reference
https://training.aeroqual.com/mod/page/view.php?id=624
Online video
YouTube Channel: Aeroqual Service and Maintenance playlist
Assemble the PM inlet
The particle sampling inlet is easy to assemble by push fitting the various supplied parts together. If
no sharp cut cyclone has been ordered then only a sampling inlet assembly and TSP head will need
to be assembled.
Figure 2-1 Particle sampling inlet parts including (L-R): inlet tube, cyclone adaptor, cyclone, TSP head.
Attach PM inlet
Turn off power to the monitor during this process by pulling out the 12 DC fuse as show in
Figure 2-8.
If not already fitted, attach a PM inlet O-ring to the aluminium retaining ring and apply a small
amount of lubricant.
Figure 2-2 Add the O-ring and a small amount of lubricant.
Inside the sampling inlet assembly has a sampling tube extending out of it. The sampling tube
has a thin film heater further up the shaft which is powered by the black and red cable exiting
the bottom of the assembly with white plug on the end.
Carefully thread the white plug through the PM inlet port on the roof of the monitor.
Continued next page.