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Summary of Contents for micronAir AU8000
- Page 1 AU8000 SPRAYER Operator's Handbook Parts Catalogue Micron Sprayers Limited Bromyard Industrial Estate Bromyard Herefordshire HR7 4HS United Kingdom Tel: (01885) 482397 +44 1885 482397 Fax: (01885) 483043 +44 1885 483043 E-mail: micron@micron.co.uk Iss 15W Web site: www.micron.co.uk 03/20...
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Page 2: Table Of Contents
7. MAINTENANCE .................... 12 7.1 Knapsack Mistblower – Routine Maintenance ........12 7.2 Possible Engine Faults and Remedies..........13 7.3 Maintenance of Sprayhead ..............14 8. PARTS LISTS....................16 8.1 AU8000 Sprayhead................16 8.2 AU8000 Atomiser ................18 9. CONVERSION FACTORS ................20... -
Page 3: Introduction
The AU8000 sprayhead is also available separately as a conversion kit for use with an existing mistblower. For satisfactory operation, the air output from the mistblower must be as shown in the specification below. -
Page 4: Assembly
3. ASSEMBLY These instructions apply both to AU8000 sprayheads supplied as part of a complete sprayer and to sprayheads supplied as conversion kits. The steps with numbers in square brackets [ ] refer to conversion kits ONLY and should be disregarded when assembling a sprayer supplied complete. -
Page 5: Operation
Fig. 1 – Attachment of AU8000 Sprayhead to Mistblower 4. OPERATION This section describes the operation of an AU8000 sprayer with the knapsack mistblower supplied by Micronair. If the sprayhead is used with a different mistblower, some operating procedures may differ; refer to the mistblower manufacturer's instructions. - Page 6 16. Only open the chemical valve when the mistblower is running at its correct operating speed (MAX throttle). Opening the valve when there is no airflow can result in a build-up of chemical inside the sprayhead and the risk of contamination or plant damage when the airflow is increased. MICRONAIR AU8000 SPRAYER...
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Page 7: Health And Safety
AFTER flushing the tank hoses and atomiser. 5. HEALTH AND SAFETY The AU8000 sprayer must be used by a qualified operator in accordance with the recommendations and statutory requirements for the use of sprayers and the chemical being sprayed. -
Page 8: Calibration
6. CALIBRATION As with any mistblower, an AU8000 sprayer must be calibrated before use. This involves setting the correct output rate of chemical and adjusting the sprayhead to produce the appropriate droplet size for the chemical and application technique being used. - Page 9 Fig. 3 – Coverage of Sprayer MICRONAIR AU8000 SPRAYER...
- Page 10 0.050 0.067 0.083 0.100 0.167 0.010 0.025 0.050 0.075 0.100 0.125 0.150 0.250 0.013 0.033 0.067 0.100 0.133 0.167 0.200 0.333 0.017 0.047 0.083 0.125 0.167 0.208 0.250 0.416 Table 1 – Coverage of Sprayer in ha/min MICRONAIR AU8000 SPRAYER...
- Page 11 12. Place a container under the tube fitted in step (7) or the outlet of the restrictor valve and open the chemical on/off valve until all air has been purged from the hose and valve. Close the valve. MICRONAIR AU8000 SPRAYER...
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Page 12: Adjustment Of Droplet Size
As the mistblower is designed to run at a fixed blower speed, the speed of the atomiser must be set by adjusting the angle of the fan blades. MICRONAIR AU8000 SPRAYER... - Page 13 All AU8000 sprayheads are supplied with the fan blades pre-adjusted to angle setting number 2 (see Fig. 4). This setting should be satisfactory for the majority of applications. If the droplet size is found to be too small, it can be increased by reducing the speed of the atomiser by setting the fan blades to a coarser angle.
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Page 14: Maintenance
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. -
Page 15: Possible Engine Faults And Remedies
14. Carburettor jet contaminated Clean 15. Spark plug contaminated Clean and check gap setting (0.5 mm) 16. Choke closed. Move lever to position A (see starting instructions) 17. Filter below fuel tank contaminated Clean filter 18. Air filter contaminated Clean MICRONAIR AU8000 SPRAYER... -
Page 16: Maintenance Of Sprayhead
Kerosene or diesel fuel is suitable for most ULV products. The bearings of the AU8000 are sealed and are lubricated for life. The bearings should be replaced if they become worn. If it is necessary to replace the bearings or any other part, the procedure to dismantle the sprayhead is as follows (see Fig. - Page 17 Nilos Ring (115) – Not worn or bent Any worn and damaged parts must be replaced with genuine Micronair spares. Any attempt at local repair or the use of substitute parts could seriously damage the unit and impair its performance.
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Page 18: Parts Lists
Description of part Part number as shown in this section Number of parts required 8.1. AU8000 Sprayhead Item Part No Description Quantity EX3678 AU8000 Atomiser Assy EX3682 Front Casing Assy EX4032 Support Ring EX3681 Rear Casing EX4017 Cone EX2192 EX3673... - Page 19 Fig. 5 – AU8000 Sprayhead MICRONAIR AU8000 SPRAYER...
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Page 20: Au8000 Atomiser
Outer Spacer EX3670 Spacer Bush EX4404 Blade EX5044 Sealing Ring CBP1416 Washer CBP1721 Stiffnut CBP776 Bearing CBP777 V-Ring Seal CBP774 Nilos Ring CBP808 Tolerance Ring CBP2107 Circlip CBP1720 Screw SP127C Washer EX2612 Bolt EX5062 Wavy Washer A206-C10 Screw MICRONAIR AU8000 SPRAYER... - Page 21 Fig. 6 – AU8000 Atomiser MICRONAIR AU8000 SPRAYER...
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Page 22: Conversion Factors
Every care has been taken in the design of this equipment and the preparation of this Handbook. However, Micron Sprayers Limited cannot accept responsibility for errors or the consequences thereof. The user must satisfy himself that the equipment is suited to his needs and is performing according to his requirements. MICRONAIR AU8000 SPRAYER...
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