Installation HiVol 3000 User manual 1.7
16
Raise the inlet hood and insert the cassette on top of the sampler, if not already fitted.
The thumb-screws above the control panel should be screwed up into the inlet hood
until finger tight.
Apply sufficient down-ward pressure to the rear of the inlet hood to ensure a good
seal between the size selective inlet and the filter cassette. Whilst applying this
pressure, tighten the pivot bolts securing the inlet hood to the sampler.
If fitted correctly, the inlet hood assembly will sit horizontally and will exert even
pressure on the filter cassette when secured; Figure 5 shows the correct alignment of
the inlet hood on the sampler.
Check that the cassette seals and check the pressure needed to tighten thumb screws
and re-adjust the pivot bolts if required.
Figure 5 HiVol Hood Attachment
Raise the inlet hood slightly and attach the support stay to the lid using the screw and
nut supplied. The screw passes through the lid, then the nut, then into the stay. The
bolt must go through the hole directly above the stay (not the one near the corner of
the hood). Tighten the nut against the threaded insert of the stay. The screw should be
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