Cleaning and Oiling Impactors
The calibration impactor should be cleaned prior to every use, using it to
perform a Standard Calibration (size correction) on the instrument, as
described in the Operations
section.
1. Unscrew Impactor. Check O-ring on the impactor base.
2. Clean outside and inside of Impactor and the impactor plate using a
clean brush and a light solvent. Dry impactor parts by blowing it out
with compressed air, or let it air-dry thoroughly.
3. Apply 2 drops of oil (included) to the impactor plate. Do not over-fill
impaction plate.
Figure 4-4: Apply 2 Drops of Oil to Impactor Plate
4. Screw (hand-tighten) impactor back together.
Replacing the Internal Filters
The internal filters should be replaced based on the schedule in Table 4–1 or
when the filter indicator on the main screen changes to red.
1. Turn the instrument off.
2. Remove old filters from the instrument.
Handheld Model
a. Use the enclosed filter removal tool (PN 801668) tool to unscrew
the two filter caps located on the bottom of the instrument.
b. Pull the old filters out of the two filter wells. If filter wells are
visibly dirty, blow out with compressed air.
Apply
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