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Manual de usuario Unigreen, modelo Mistblowers DEVIL

Fabricar: Unigreen
Tamaño del archivo: 1.39 mb
Nombre del archivo: GB_manual_Atomizzatori_P.pdf
Idioma del manual:en
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Resumen del manual


5.7.2 HYDRAULIC DRIVEN HEADS On request hydraulic pivoting (inclination 90° roughly) and rotating (max rotation 270°) heads are available. 5.7.3 HYDRAULIC DRIVES The cannon fans can be equipped with hydraulic drives: with the cylinder fitted directly (30° inclination roughly) or a motor with a pinion and chain (180° inclination roughly). 5.7.4 OIL FEED FROMTRACTOR (for hydraulic systems) Connect the delivery and discharge quick-fit coupling to the respective connections, respecting the direction of flow. The distributor inlet pipe is connected to the aluminium flow separator valve next to the distributor. The flow separator must be adjusted correctly so it sends less than 4-5 L/1° to the distributor. To prevent the cylinders moving at a dangerous speed, adjust the relevant chokes near the cylinders. If the registration ringnuts aren’t visible then fixed chokes are fitted. The chokes are fitted on the discharge line of the movement to slow. Any impurities in the oil could block the chokes and as a consequence block the cylinder; remove the dirt if necessary. The maximum pressure valves of the distributors are regulated to a pressure of around 150 bar. To prevent the excessive heating of the oil we recommend supplying the distributor of the sprayer only when the cylinders are being used. We recommend having qualified personnel do any adjustments. Pay attention to the integrity and efficiency of the hydraulic components and in particular to the pipes to prevent the risk of bursting. Do a full check on the pipes and components at least once a year, we recommend replacing hydraulic pipes every 3-4 years. 6 SPRAYING 6.1 DESCRIPTION OF TYPE OF JETS Various types of jets are fitted; with a single or double head. Generally they have a non-drip diaphragm and are made out of brass, suitable for pressures up to 40 bar, some models are nickel plated. The jets can be equipped with different types of nozzles, changing the locking ringnuts. The jets used normally have high volume, O18, ceramic plates and low volume conical nozzles (Albuz ATR or Teejet TXB).The jets for cannons have a jet holder with adjustable delivery and spray that has high volume, ceramic plates, O15 instead of 18. All the jets normally used have three positions (FIG. 26): a) spray - if the nozzle is pointing outwards, away from the blower group, parallel with the non-drip valve b) closed - if the nozzle is at 90° with respect to the non-drip valve or, for the single jet if it is facing inwards towards the blower group c) nozzle second spray - when these are pointing towards the outside of the blower group parallel with the non-drip valve. 6.2 DESCRIPTION OF TYPE OF NOZZLES The nozzles are extremely important to obtain a correct distribution on the vegetation to be treated. Poor quality or worn nozzles have a tendency to create unevenly treated strips. The nozzles are produced in various sizes, to work with a precise pressure range, to create certain types of larger or smaller drops; using nozzles for a purpose they are not envisaged for prejudices the precision and duration of the nozzles. 6.2.1 NORMAL VOLUME CONICAL NOZZLES (OVER 500L/HA) Generally made of ceramics, these nozzles consist of various parts; the actual nozzle, the stainless steel slinger and a series of seals. They are particularly resistant to wear and are designed to work also at high-pressure (25-45 bar) producing drops of an average size with strong turbulence. This turbulence makes them suitable for penetrating luxuriant vegetation and so they are suitable for fungicides and insecticides.There are various sizes and the capacities are indicated in table N° 1, page 33. 6.2.2 LOW VOLUME CONICAL NOZZLES (150-500L/HA) Made of two ceramic pieces with colour-coded plastic inserts, they are available in various sizes identified by the colour (see tables 2 and 3 page 33). They have been specifically designed to obtain a large number of small drops with strong turbulence even at low pressures (2-3 bar).This turbulence makes them suitable for penetrating luxuriant vegetation and so they are suitable for fungicides and insecticides.The nozzles of the TR Lechler and TXA Teejet series are in this category. 6.2.3 ANTI-DRIFT NOZZLES Specific anti-drift nozzles are available from Unigreen.The main characteristic of these nozzles is that they eliminate the fog effect caused by the presence of drops that are too small and are particularly sensitive to drifting. For further information please contact Unigreen for the relevant instruction handbook. FIG. 26 unigreen 19 6.3 CALIBRATING AXIAL FAN ATOMISERS (Tables on pages 25 - 30) The tables on pages 25-30 let you easily calculate the distribution in litres/ hectare of the atomisers with the standard fittings, proceeding as indicated below: a) Choose the table relevant to the blower group of the atomiser in question (the main reference is the number of jets) b) Find the distance between the rows of the vegetation and the diameter of the nozzles used (cera...

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