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13
MICRONAIR AU8000 SPRAYER
Fig. 4 – Setting Marks on Blade
7. Reassemble the sprayhead by reversing steps (1 – 5).
8. Carry out a test by spraying the actual chemical to be used onto sensitive cards,
paper or slides. Check that the spray deposit is appropriate for the chemical and
application technique. Note that sensitive cards only give a good indication of the
number of droplets larger than about 60 microns. Smaller droplets may not mark
some types of card. The apparent size of droplets on the card will be larger than the
actual size due to spreading on the surface.
9. Note that the end cap of the gauze is provided with a conical recess in the centre.
This is intended to drive a hand-held tachometer to measure the speed of the
atomiser if required.
7. MAINTENANCE
Both the AU8000 sprayhead and the knapsack mistblower are designed for maximum
reliability and for a minimum of simple maintenance.
The following sections cover the sprayhead and general guidance for the mistblower
supplied with complete sprayers. Please refer to the Cifarelli maintenance manual for full
details of maintenance of the mistblower. If an alternative mistblower is used, refer to the
manufacturer’s maintenance instructions. The parts lists for the sprayhead and atomiser
are shown in section 8.