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863-864-871-873 SERIES

ELECTRIC CONTROL UNIT

FOR CROP-SPRAYING APPLICATIONS

INSTALLATION, USE AND MAINTENANCE

Содержание 863 Series

Страница 1: ...863 864 871 873 SERIES ELECTRIC CONTROL UNIT FOR CROP SPRAYING APPLICATIONS INSTALLATION USE AND MAINTENANCE 02 ...

Страница 2: ...integral part of the equipment to which it refers and must accompany the equipment in case of sale or change of ownership Keep it for any future reference ARAG reserves the right to modify product specifications and instructions at any moment and without notice ...

Страница 3: ...ctric unit adjustments before operation 14 4 2 Adjustment of maximum operating pressure only applicable for units with proportional valve 16 5 Use 17 5 1 Calibration of operating pressure 17 5 1 1 Constant pressure units 18 5 1 2 Units with proportional valve 18 5 2 Calibrating the metered by passes 19 5 2 1 Metered by pass calibration tables 21 6 Maintenance Diagnostics Repairs 22 6 1 Flushing th...

Страница 4: ...l ARAG is not liable for any damage caused directly or indirectly by the type of fluids used for spraying by its control units The operator has full liability for the use of these products and therefore must verify the safety regulations indicated on the package by the manufacturer of the liquid and must wear suitable protective clothing gloves overall footwear helmet etc as required by law ARAG i...

Страница 5: ...er 5 Boom section electric valves 6 Metered by passes 7 Pressure gauge adapter or pressure sensor connection IN Intake of liquid for spraying OUT A Drain for maximum pressure valve OUT B Drain for metered by pass OUT C Drain for proportional valve OUT D Drain for self cleaning filter U1 U5 Boom section delivery LThe main control valve series 871 is an assembly made up of main control valve gearmot...

Страница 6: ...6 Metered by passes 7 Pressure gauge adapter or pressure sensor connection IN Intake of liquid for spraying OUT A Drain for maximum pressure valve OUT B Drain for calibrated backflows OUT C Drain for proportional valve OUT D Drain for self cleaning filter U1 U5 Boom section delivery The main control valve series 864 is an assembly made up of main control valve gearmotor 1 and maximum pressure valv...

Страница 7: ...istributed per surface unit litres hectare remains stable The increase or reduction in delivery is proportional to the number of revs of the engine with a tolerance of 20 4 Filter Protects nozzles from dirt which would eventually reduce their performance With self cleaning filters there is less need for frequent cleaning of the cartridge inside the filter 5 Boom section electric valves These valve...

Страница 8: ...se tails Use systems to secure the hoses that are suitable for the hoses in question It is recommended to install a pressure relief device Series 459 on general ARAG catalogue on the pump to avoid risks caused by a unit malfunction This device does not replace a further safety valve but it can limit unit damages in case of sudden over pressures Contact skilled personnel for any intervention requir...

Страница 9: ...9 Respect the mounting direction of the unit as shown in Fig 4 Fig 4 STANDARD MOUNTING POSITION ...

Страница 10: ... below WARNING Do not connect backflow hoses in the lower part of the tank with the intention of using them as hydraulic stirrers only place them in the upper part so the liquid drops down by gravity as shown in Fig 5 Make a separate connection of the backflow of the valves with the tank Fig 5 ...

Страница 11: ...all ARAG computers 3 wire operation 4669 series control boxes 12 Vdc power supply always on Valve opens when opening closing control is fed with 12 Vdc Valve closes when control power is cut 2 wire operation 4663 4664 series control boxes Opening closing movement obtained by reversing power polarity with a double switch In both cases the motor absorbs current only during the valve movement ...

Страница 12: ...ssary connection cables and all cables are mar ked for ease of identification please see Fig 6 for a description of cable marks and their meanings Fig 6 Use only the cables supplied with ARAG computers or control boxes Do not pull on the cables Be careful not to break tear or shear the cables Check wiring and cables for damage from time to time Minimum required cross section area for cables connec...

Страница 13: ...ns on installation adjustment and operation reported below are inten ded for the unit installed in the standard mounting position Fig 4 For detailed information on the operation or adjustment of the valves included in the unit ALWAYS refer to the operating and maintenance instructions manual rele vant to your control device All valves incorporate a protection that shuts down operation automaticall...

Страница 14: ...auge into the relevant seat of pressure gauge holder flange until locking it without forcing it UseARAG pressure gauges with 1 4 M coupling and a suitable end scale for the maximum operating pressure Pressure sensor use ARAG sensors Code 466112 X00 please read the instructions manual supplied with the device for full installation information 2 Set the relevant switch on the control device to OFF t...

Страница 15: ... switch on the control device 5 Set the relevant switches on the control device to OFF to close all section valves 6 Open all the compensation cocks by turning their knobs anticlockwise 7 Turn the knob clockwise and completely close the drain to the selfcleaning filter ...

Страница 16: ...rrectly 1 Start pump operation 2 Set the relevant switch on the control device to ON to open the main valve this will let fluid in through the system 3 Gradually increase the number of revs of the pump until the maximum operating level is reached 4 Push up the relevant switch on the control device to fully close the proportional valve 5 Close all the compensation cocks by turning their knobs clock...

Страница 17: ...ation of operating pressure 1 Select the type of nozzle and the relative operating pressure according to the litres hectare l ha to be sprayed and the speed of progress 2 With the machine off start the pump and take it to its operating level 3 Set the relevant switch on the control device to ON to open the main valve 4 Set the relevant switches on the control device to ON to open all section valve...

Страница 18: ...lockwise to decrease pressure Fig 7a Fig 7b 5 1 2 Units with proportional valve Fig 8 The calibration of the operating pressure is carried out by the proportional valve To adjust operate the relevant switch on the control device until achieving the desired pressure Fig 8 In this case the proportional valve must be used for pressure adjustment and not the maximum pressure valve since the propor tio...

Страница 19: ...hat it will not be necessary to recalibrate a given metered by pass the next time the same nozzles are used but simply set it to its value in the tables 1 Close one section valve by setting its corresponding switch on the control device to OFF 2 Adjust the corresponding compensation cock by turning the knob until the pressure level is restored on the pressure gauge that was previously set with all...

Страница 20: ...ch section valve each section valve must be calibrated independently the number of nozzles for each section valve is MIRRORED Fig 9 you need to calibrate only one part of the control unit right or left boom valves A B C calibrate the other part of the boom by setting the corresponding metered by passes to match the valve settings on the section of boom already calibrate Fig 9 Fig 9 If the types of...

Страница 21: ...pass calibration tables NOZZLE TYPE COLOR REF NOZZLE TYPE COLOR REF NOZZLE TYPE COLOR REF NOZZLE TYPE COLOR REF NOZZLE TYPE COLOR REF NOZZLE TYPE COLOR REF NOZZLE TYPE COLOR REF NOZZLE TYPE COLOR REF NOZZLE TYPE COLOR REF ...

Страница 22: ...ollow the indications in the table below for the frequency of cleaning MANUAL CLEANING FREQUENCY Cleaning with clean water After each use Filter cleaning After each use Filter cleaning self cleaning type Closed cock after each use Open cock every month or every 100 hours Cleaning using a specific detergent Every month or every 100 hours Check that gaskets are sealing correctly while washing the un...

Страница 23: ... 4 Unscrew the lock ring A by turning it anticlockwise slide the lid C and the cartridge B 5 Wash the cartridge B and the lid C under running water 6 Remove any trapped items under running water Do not use compressed air and or sharp objects to clean the cartridge Take care not to damage the mesh when cleaning the filter should you notice any damage to the mesh replace the cartridge with a new one...

Страница 24: ... self cleaning filter in addition to the unit itself This check is carried out as follows 1 Protective gloves goggles and clothing must be worn 2 Open the self cleaning drain completely by turning the knob anticlockwise 3 Follow the steps for the adjustment of operating pressure plea se see par 5 1 Calibration of operating pressure 4 After the calibration of the operating pressure the drain cock c...

Страница 25: ...y 1 Protective gloves goggles and clothing must be worn 2 Start the pump and take it to its operating level 3 Set the relevant switches on the control device to OFF to close all section valves 4 Open the drain on the self cleaning filter completely by turning the knob anticlockwise 5 Set the relevant switch on the control device to ON to open the main valve 6 Allow the system to operate for at lea...

Страница 26: ...26 7 Set the relevant switch on the control device to OFF to close the main valve 8 Close the drain on the self cleaning filter completely by turning the knob clockwise ...

Страница 27: ...ion of switch on main valve control device Proportional valve motor not working Check electric connection Have gearmotor inspected at the nearest Service Centre Proportional valve drain passage clogged Clean drain passage A hydraulic agitator is connected to drain passage of proportional valve Remove hydraulic agitator and leave hole open Drain tube of proportional valve undersized Change drain tu...

Страница 28: ...artially obstructing passage Slightly loosen pressure gauge Passages across valve and nozzle undersized leading to significant pressure drop Choose section valve tubes and hose tails of correct size Pressure sensor reading higher than actual pressure Sensor malfunctioning Change data settings in computer if problem persists change sensor Passages across valve and nozzle undersized leading to signi...

Страница 29: ... uniform distribution of spraying over the surface unit litres hectare or GPA even with variations of 20 in the progress speed provided the same gear is maintained 7 1 Correspondence between valve parts and maximum valve pressure TIPO DI VALVOLA TERMINAL STRIP CO LOR PRESSURE REMARKS BAR PSI MAIN 871 864 SERIES Black 10 145 Green 20 290 Blue 30 435 MAXIMUM PRESSURE 863 865 SERIES Black 10 145 Gree...

Страница 30: ...a tions carried out by unauthorised personnel incorrect installation and regulation damage or malfunction caused by the lack of ordinary maintenance such as cleaning of filters nozzles etc anything that can be considered to be normal wear and tear 3 Repairing the apparatus will be carried out within time limits compatible with the organisa tional needs of the Service Centre No guarantee conditions...

Страница 31: ...pegna a trasmettere in risposta ad una richiesta adeguatamente motivata delle Autorità Nazionali informazioni pertinenti sulle quasi macchine Tale impegno comprende le modalità di trasmissione e lascia impregiudicati i diritti di proprietà intellettuale del fabbricante della quasi macchina la conformità alla Direttiva Macchine è applicata nei seguenti requisiti essenziali 1 1 2 1 1 3 1 1 6 1 3 1 1...

Страница 32: ...or spare parts to make sure manufacturer guaranteed safety conditions are maintained in time Always refer to ARAG spare parts catalogue 42048 RUBIERA Reggio Emilia ITALY Via Palladio 5 A Tel 39 0522 622011 Fax 39 0522 628944 www aragnet com info aragnet com ...

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