DYP、SYP Series Center Pivot Irrigation System USER'S MANUAL
Contents
1. PRECISE DYP SYP Series Center Pivot Irrigation System USER S MANUAL Ningbo Weimeng Shengfei Agricultural Machinery Co Ltd Content INtrOdUCION CEU I I Technical Specification esis eto ein ctn e eid oai ebd is 1 M Operation Principle inae eb E ebur EE RAISES e 2 A o C E 2 Zi A PE ITA OD 2 ISC UTE Meer M m 3 AES VS MEE E A 3 Clelia 4 5 Wheeled FowerstueWf za lolita 5 AN A en bai ame ian utu ara 6 5 WheslPartsandJDEVe Patito as 6 6 Electric COntroks yardas Sie 7 AN AA o UT 7 Colector SPINE E E E E T TT 8 TOW EWG OMULOUCK todoo dM Tbe bread 8 POCA A Ai 10 Running Process of Electric Control system cece eee e eee cece eee eases 10 A o Em 10 As e QI 10 Gc Salely Pro COD nd E E 10 CE MO TTUBCBHODUIDISDIO sese uode acusa tete ted etta eda edet ee d ted tendu eel 10 ili Spankline barata aa Gnd da beoe dd dem rere ree nee were 10 IV Installation sal 1 Preparation Work before Installation ssosssssseeessse I 11 ZO CAMA ON aaa 11 Cl Nssemble Center PIVO sia 11 DM JNSSORIDIGSDEUSS ei os tee tria EL CA EM LS DEL EUN E LA UE 11 3 Assemble Vow er StrUGtULS ester al ie talas 11 Ass emble Over Hant ii ds dd 11 5 Assemble Electric Control S YsteM sesion cdo i n 11 Dear User It is our honor that you use our product please carefully read the User s Manual before operating it Introduction DYP Center Pivot Irrigation System is a kind of huge self propelled sprinkle2. See Illustration 10 Worm reducer 6 Electric control system Electric control system consists of control box collector ring tower controller and cable This electric control system can control the run directions of DYP Center Pivot Irrigation System the run directions are clockwise reverse and its run models are periodic run and nonstop run The rainfall is adjusted by the run speeds There is a position stop switch on center pivot when the irrigation system arrives at a preset place it stops by itself The electric control system has safety protection overload protection and unsteady voltage protection functions When the angle of tow connected trusses exceeds the presetting angle the system stops working by itself When any gear motor reducer overloads the system stop working when the wheels of end truss skid or stop for a long time the system stops working itself when the water pressure exceeds common pressure the system stop working themselves Also the electric control system can constantly monitor the voltage electric current temperature and the poison of fault truss and show on the screen of Malfunction display Control box Control box are mounted on the center pivot and all the wires are in order through the Collector ring to each tower controller and other wiring parts The control box is the main parts which controls the electric control system It has controlling protecting and monitoring function There is a time controll
3. 330 368 392 422 452 480 516 LLL 0 CA CEC A E Gross weight per Span kg 2300 2790 3290 Notice 1 It is a partial Model in the table The max flow rate could be adjusted 2 The models are from DYP 65 to DYP 558 the system length could be chosen from 65m to 558m which depends on the area you are intended to irrigate Operation Principle 1 Model DYP 11 D Electric Y Circle P Irrigation system 1 system length 2 Principle The DYP Center Pivot Irrigation System consists of a continuously moving horizontal rotating lateral that is supported by towers and anchored at a fixed pivot point at the center of field Its main parts are center pivot trusses wheeled towers over hang and electric control system The trusses mounted on the wheeled towers every two trusses connect with flexible connecter in order to climb sloping field smoothly There is a waterproof motor 0 75 1 1 kw which mounted on the wheeled tower and drive the wheels of the tower through a gear motor There also has an electric synchronous control system which decides the circuit of each waterproof motor state when you turn the Control Box on the waterproof motor that closed to the over hang starts running and the wheels of the following tower stop when the following two trusses form a 1 degree angle the following motor drive the wheels of the next tower so the last tower sets the other towers into motion one after t
4. cable and 16 motors and preserve them in storage Lift the bottom beam up make the wheels away from ground to 100 150 mm Disassemble the nozzles pressure regulators and end gun and preserve them in storage Block the nuts of water pipe with bolts Grease the moving parts and wire ropes Put the Diesel Engine away VII Normal Malfunction and Solutions Mechanical malfunctions are easily examined and solved there is not statement in the table 3 1 it mainly states the electric control system malfunctions and solutions Table 3 1 Table 3 1 Normal Malfunction and Solution Malfunctions When you turn on the power switch the voltmeter indicates a normal voltage but the Stop LED light HR doesn t work When You turn Reverse Stop Clockwise Switch SAC then turn on the ON button SF If the Running LCD Light HG doesn t work and the irrigation system doesn t work too there 1s a click clack sound which are caused by the on and off power of the control box and the ampere meter doesn t work When You turn Reverse Stop Clockwise Switch SAC and turn on the Nonstop button or turn the periodic button K then turn on the ON button SF You can see the Running LED light HG works and hear a click sound that the contactor made but the end truss doesn t move It stops suddenly by itself The Problem Display screen does work Some tower controller can t feed back th
5. you confirm the run time and the run direction press start button SF the relay of secondary circuit KA pick up the indicator lamp works and the irrigation system start work c Safety Protection Safety protection device consists of a thermal relay KH1 9 and a micro switch SQ1 8 If there is a malfunction such as exceed the preset angle over current missing phase the secondary circuit would be cut off automatically The gear motor adopts embedded thermal protection All the exposed metals are connected to the ground with less 1Q resistance d Malfunction Display Malfunction display device consists of a thermal relay KH1 9 and a micro switch SQ17 24 If any truss has malfunction the number signal feeds back to the control panel via the secondary circuit After eliminating sources of trouble turn the manual switch on Sprinkler Parts Nozzles The nozzles could be chosen from the Nelson Nozzles Made in USA and HuaYu Nozzles Made in China End Gun It is an optional part which could increase irrigation area 12 Installation 1 Preparation Work before Installation 1 A mobile crane with a lifting power over 3 tons 2 Put all the parts in sequence of the lateral 3 Special tools of installation 2 Installation 1 Assemble Center Pivot Put a V shaped gasket in the pivot Pipe Insert the cable tube into the pivot pipe Fix the rotary sleeve siphon and the pivot pipe with collar clamps
6. Wire Clockwise Reverse Malfunction Display 21 Attachment 3 Instructions for malfunction alert tn Control panel It shows in the normal state when a certain truss has gone wrong it show that truss s address After eliminating the malfunction press reset button to clear the number Then it shows Address Code Jumper wire ON Address 0 2 8 Address 1 1 5 Address 2 2 5 Address 3 3 5 Address 4 1 6 Address 5 2 6 Address 6 3 6 Address 7 1 7 Address 8 2 7 Address 9 3 7 A D Input Module Surge Protector Device In the operation of Surge Protector Device SPD it is necessary to regularly check the window of protection module it could display the current work state Green indicated normal working condition Red indicated failure working state you should immediately replace the Surge Protector Device The center pivot system 1s continuously improved on technology amp function performance when the content of picture word is consultable only if there is fluctuation according the real object please The right of final interpretation belongs to our company 22
7. and bolts and reinforce the pivot pipe by two support bars put out the cable tube from pivot pipe and fix the cable tube with compression nuts 2 Assemble Truss Arrange 8 10 water pipes in a line place the end of the joint pipe with flange near the center pivot the other end of joint pipe with a knuckle ball at the opposite direction Lay water pipes with small outlet upward and pad them with wood Clean the flange and place waterproof mat on the flange and fasten the bolts Install the horizontal stay bar and mid truss rod and install four end truss rods at ends of lateral each truss rod with two nuts M22 and each exposed 20 mm screw thread Bolt up the stay bay of the V Jack but do not fasten the bolts Assemble the sprinkler with U tubes PE hoses and nozzles Please refer to the configuration of nozzle sheet Draught the cable along the top of water pipe and clamp the cable with wire clamps at every 2 m interval cable crosses through the U tubes not on one side of the water pipes Fasten all bolts and install automatic vent valve Fasten the pipe through the tubular truss rod p 60 x 3500 with M16 x 400 bolts connecting to the bracket of the truss don t fasten bolts One span has finished Note During the installation of nozzles it needs two persons cooperation one cleans up the thread of nuts the other checks the Nozzles configuration in accordance with the sheet 3 Assemble tower structure Crane the end of the tru
8. e malfunction signal The fuse tube FUI 2 is damaged This malfunction may be caused by the On button SF or the Stop button SS Or The switch or the Relay KA is wrong Reverse Stop Clockwise The time relay or the contactor of end truss may be wrong The wheels of end truss skidded on the mud The End truss s terminal board poor contacts of the The connected trusses is in excess of angle between two the preset angle Drive motor overload Thermal relay perform function The micro switch and the cam mal position of the The time relay or the contactor of end truss may be wrong The wheels of end truss skidded on the mud The End truss s terminal boards poor contact of the The 12V circuitry is not normal Some tower controller has a damaged module The module of control box is Wrong 17 Replace the fuse tube Replace these buttons Replace the relay KA Replace the time relay KT1 2 Move out the skidded wheel repair the Fxamine and end truss s terminal board Exchange the contactor KM Examine and repair the truss by the display screen the micro switch to number of problem the right and their Return cam position Replace the damaged time relay Move out the skidded wheel Examine and repair the end truss s terminal board Exchange the contactor KM damaged Examine and repair the 12 V circuitry t
9. e rod fix on support brace and V Jack See illustration 7 Gearing consists of gear reducer transmission shaft universal joint and worm reducer Wheeled tower structure Illustration 6 Wheel Tower Structure Pipe rod assembly I End tniss rod ul A Support brace of tower i Long pipe rod Illustration 7 Pipe amp Truss Rod assembly 7 4 Over hang The over hang is 6 25m in length and the flange mounted water pipes isp 114mm which are strengthened by a bracket and five wire ropes There is one drain valve on over hang the end gun Optional could increase irrigated area See illustration Illustration 8 Over Hang 5 Wheel parts and drive parts Wheel parts include tyre hub of a wheel rim shaft parts the opposite wheels are mated to a heavy duty droved beam and a worm reducer mounted on the bearing and the Standard tyre 1s 14 9 24 Drive parts include worm reducer transmit shaft Universal joint Gear reducer the gear reducer connected with worm reducer by the transmit shaft See Illustration 9 UN Gear reducer i Se da Worm reducer See Illustration 9 Wheel parts and drive parts 8 The main function of the gear reducer 1s reducing speed increasing torque and transmitting power the output worm shaft connected with the universal joint and anther shaft connected with wheel The worm reducer mounted on the base beam See illustration 10
10. eedback equipment connects with the micro switch via the open contacts pole once there is a malfunction the open contacts close the malfunction signal feeds back to the control box and the malfunction display will display the number of tower which has malfunction The configuration of the sub end tower controller has a time relay besides the parts of end tower controller this time relay controls the heat relay and the contactor of end tower controller see illustration 14 End tower box Fo o Ls End tower box A 4 1 Middle tower b OO Illustration 14 End tower Controller When the end tower skids on mud or is blocked it will excess the preset time of time relay the closed contacts open the system stops working Thermal relays of all tower controllers are adjusted to 2 5A at factory to play over load protection There is a manual switch which drives the truss back to proper position Once any truss is in troubles for some reason it could cause the thermal relay to play over load protection by cutting off the circuit of the gear motor so this truss stops after a while safety switch cuts off the circuit of the system and the system stops by itself After eliminating sources of trouble turn the manual switch on and reversely run this system on one line direction then make the system run normally again The micro switch of tower controller can achieve function of safety protection and
11. electric control system should not be less than 2 MQ Control bar which connects the tower controller should be flexible the relative position of the cam and micro switches has been properly adjusted if there is no special requirement don t adjust them to avoid the irrigation system failure The heat relay inside tower controller has already been adjusted to 2 5 A in our factory don t random adjust it in the installation and operation of the irrigation system The connection of carbon brush and slip ring must be good there is sufficient insulation function between the slip rings Control box collecting ring and tower controller all wire terminals should be solid and tidy Integral assembly Put collar clamps around water pipe insert flexible coupler in the water pipe then put knuckle ball in to hole ball slowly and fasten the collar clamps and the flange After assembling each tower structure lift up the base beam of former tower structure turn the wheels to it working position then fix gear motor to the beam assemble transmission shaft universal joint and plastic pipe fix the plastic pipe on base beam with wire clamps V Adjustment and Operation 1 Inspection Work before Operation Check the bolt fastening situation of all parts Check whether there is missing parts or wrong installation Check whether electric control system wiring is correct and reliable Check whether the relative position of cam and micro switch is right the
12. er which can adjust the ratio of run time and stop time per minute one minute is one circle to sprinkle the right rainfall See Illustration 11 e ec af m eee o See Illustration 11 Control box 9 Collector ring Collector ring comprising a non electrically conductive non rotatable slip ring base having a plurality of slip rings mounted thereon with the slip rings decreasing in diameter from the lower end of the base to the upper end of the base Electrical wires are secured to the slip rings and there from extend for connection to a source of power It can avoid the wires to twist together See illustration 12 j I Fa d r h E l Fa ap rere i T poe PA y a Cau w Ww LAMA i Illustration 12 Collector Ring Tower Controller The configuration of Mid tower controllers See illustration 11 Middle tower box ES A f a w s Le SCC a MR LISCI ew UN L I i bs s mi LA ES ik E o Illustration 13 Mid tower Controller 10 The inner parts are a micro switch an adjustable cam a contactor a relay and a set of malfunction signal feedback equipment The contactor 1s to start or stop electric motor mounted on the tower via the action of the micro switch and the adjustable cam If the circuit of tower controller overloads the relay would cut off the power of the motor to avoid overload The malfunction signal f
13. he other by the system of electric synchronizer each span therefore advances in short bursts starting with the next to last tower and progressing inward towards the pivot point therefore it achieves sprinkling as a circle See illustration 1 Sprinkler consists of truss flexible tube and nozzles The trusses connect with ball twist each end of the truss placed on the tower The pipes connect with split couplers The flexible tubes are mounted on the pipeline at equal distance When water was pump into pipeline under a certain pressure it sprinkles from the nozzles by itself to finish irrigation function Illustration 1 Principle of Center Pivot Irrigation System 4 3 Construction The DYP Center Pivot Irrigation System consists of center pivot truss wheeled tower over hang drive system electric control system and pump system See Illustration 2 _Control system Foe A Wheeled tower structure k e Drive System Illustration 2 1 Center pivot Center pivot consists of hot dip galvanized angle steel legs and heavy duty cross members that form sturdy right pyramid foundation for even longest system a siphon and a pivot pipe connect by a rotary sleeve at the middle of the center pivot the siphon could revolve in the sleeve and the pivot pipe is fixed with the rotary sleeve via a split coupler The right pyramid steelwork is fixed on a concrete base by four bolts The control box is mounted on t
14. he steelwork The collector ring and pilot lamp are mounted on the siphon at Gia SPE I C ontrol box EE ji i Cross beam a Illustration 3 Center Pivot 5 2 Truss Truss consists of water pipe V Jack and truss rod The trusses connect with Ball Twist and water pipes connect with split coupler and flange therefore the lateral could run smoothly on the uneven terrain There are three kinds of trusses 50m span 56m span and 60m span See illustration 4 Tower box Water pipe tower structure Structure of truss A Rr Rubber hose lamp Illustration 4 Lateral structure The 50m span consist of 8 PCS water pipes 56m span consist of 9 water pipes the 62m span consist of 10PCS water pipes Joint type of pipes is flange joint and a gasket ring be sandwiched between two flanges The V Jack is a triquetrous steelwork there are short middle long longer types See illustration 5 y 1 NIC M oss en L ine So iii m CZARNA V Stay bar NS L A ZARY Na LLA INS I Bae yore E c Rod stay bal Fixed Panel Illustration 5 V Jack 6 3 Wheeled tower structure Wheeled tower structure consists of horizontal beam steelwork Gearing and Wheels The opposite wheels are mated to a heavy duty droved beam and a worm reducer mounted on the bearing See illustration 6 The connection between top of support brace and water pipe are rigid fastening one long pip
15. open contacts is normally closed and then carefully reverse rotate this nut about 1 3 circles and lock it then fasten the nut and the position bolt Latterly push and pull the control bar at the level you hear the click of actions If you only hear the click during pushing it indicates the gap of the cam and the micro switch is too small you should readjust it if you only hear the click during pulling it indicates the gap of cam and micro switches 1s too large re adjust it Adjust all towers as the above mentioned methods and then you can start the irrigation system In the course of running if any tower lags behind it needs to re adjust the synchronous control system of the tower controller Adjustment method Release the nut of swivel shaft but not fully release and nut of adjust bolt then fasten adjusting nut each adjustment is 1 3 circles until the tower structure runs in one line b Adjustment after sprinkling If any tower is not synchronized turn off the irrigation system re adjust it The adjust method are the same as the method hereinbefore mentioned If irrigation system stops running for a long time it should be re adjusted before using c Adjust wheels The wheels need adjustment before running Loose the nuts M10 of the adjusting plate and move the plate when wheel and base beam are parallel fasten the adjustment nut d Adjust nozzles After running of irrigation system if you find some nozzles don t
16. ower controller the module of control box VillSpare Parts and Tools Spare parts amount 1 Small V Shape Gasket big V Shape Gasket 1 1 2 Flexible coupler 2 3 Collar clamp 1 4 Alternating current contactor l 5 Thermal Relay 1 6 Micro switch 2 7 Screw base fuse 1A 2 8 Screw base fuse 3A 2 9 Gasket ring of flange 2 Tools 1 Adjustable spanner 12 inch 1 2 Slotted screwdriver Cross screwdriver LI 3 Double ended wrench 1 4 Pliers 8 inch l 5 Test pencil 500w 1 6 Pipe wrench 1 IX Documents There are three pieces of documents which are enclosed with this machine 1 User Manual of the DYP or SYP Series Center Irrigation Pivot System 1 2 Warranty 1 3 Nozzle Configure Table 1 18 XI Design Sheet When you decide to purchase the DYP Center Pivot Irrigation System please finish the DYP CENTER PIVOT IRRIGATION SYSTEM DESIGN WORKSHEET as follow DYP CENTER PIVOT IRRIGATION SYSTEM DESIGN WORKSHEET Applicant Name Date Address Description of Barrier Max Height of Slope MU UD Your Field DUBBI Estimate The Max Land Slope 0 0 0 0 25 Average Land Slope QO0000 lt 20 Land S YES oO NOU YES O NOU Lu UL Clay 00 d Average Rainfall mm year Normal Wind Speed and Direction Temperature 409000 LU B ELD LE UI LI Climate of Your Region Max Rainfall Min Rainfall EJ el aN M ON mm month mm month Kinds of Water Lowest Water Level of Dry Season Flo
17. r machine which can highly improve the productivity of agriculture and stockbreeding in semiarid and arid climatic zones It is an indispensable irrigate equipment It can be used in field that grows vegetable wheat corn sugar cane even can be used in fruit tree plant and nursery It is practical automatic advanced energy saving and water saving and it is the result of Key National Scientific and Technological Project The superiorities of DYP Center Pivot Irrigation System are as follow 1 Larger irrigation area and better effect It can irrigate huge area at shorter time and lower cost doesn t need to dig irrigation channel and level land only need to pump water from river well lake and so on 2 Less labor one person can control 2 6 sets of irrigation system Improve productivity 3 Compared to traditional irrigation method water use efficiency is higher it increases crop yields and improves crop quality 4 Work with other farm tools it could achieve centralized management such as unified irrigation mass seeding unified fertilization and centralized harvest Ningbo Weimeng Shengfei Agricultural Machinery Co Ltd is a factory which specializes in the scale production of sprinkler system for agricultural use The irrigation system bases on advanced technology of the industry Technical Specification Model DYP DYP DYP DYP DYP DYP DYP DYP DYP DYP DYP vw error System length m 142 188 206 268
18. rts of inlet pipe amp check valve cut off power supply jack up the beam of the system Change the wheels from working state to traction state 2 Connect the drag pole to steel wire 3 Cautions make sure the road is leveled a slow start a linear traction at a constant speed the driver s view should be clear drag speed 2 4km h during the course of traction one person inspect specially the whole process Do drag the system exceed expected site VI Maintenance Maintenance items of DYP Centre Pivot Irrigation System are in table 2 1 Maintenance of motor water pumps gear boxes and other parts please refer to their corresponding Manuals Table 2 1 Maintenance of DYP Centre Pivot Irrigation System Maintenance items Frequently 260 hours Long time placement Pivot 3 The waterproof capacity of all water pipes E Structure 4 The lubrication Breeds EE 6 Grounding device sen aad E ENTES AO a Wire cale hs ine prenomenos TTT CT I O 6 Whether connect point of water pipe has leakage 1 imme temente TT Wheeled 2 Wnetner te ie pressure snommal OTAMpROTMED oo o 5 Replacement ofthe Iubricnco e ess P Management of overwintering or a long time nonuse Stop the DYP Center Pivot Irrigation System at appropriate location Pour water out and cleaning out the sediment from the water pipes Open the Valve of inlet Disassemble the control box tower controllers
19. run See illustration 15 P Control post weldmg Structure of tower box a Las Y Torsion spring i Toothed sleeve wheel ajustable parts welding Illustration 15 Control Parts of Tower Controller 11 Pilot Lamp Pilot lamp is a small electric lamp which is used to indicate that electric circuit is energized the over hang and the center pivot are mounted one pilot lamp separately See illustration 14 Pilot lamp Lamp post Support of cable tube Collector ring Cable tube a c pen Illustration 16 Pilot Lamp Run Process of Electric Control system Power supply is three phase four wire 380V 10 The system adopts over load protection open phase protection surge protection locked current protection and malfunction display functions Turn on power switch QF the control panel of the control box indicates voltage change to SV1 and SV2 It could check whether three phase power is at normal state The ammeter indicates the electric current during work state a Runtime The run cycle of the end tower controller is one minute adjust the time relay KT2 to control the runtime of per minute for example In one minute 50 seconds are set run time the rest 10 seconds are stop time when close the switch k the end truss drive the irrigation system nonstop run at every minute b Run Direction The run directions are controlled by the switch SAC when
20. ss which has ball hole to a certain height connect four support poles to the plate bracket of the water pipe the opposite ends of four support poles to two ends of the base beam Then install framework of the worm reducer and wheels don t fasten bolts Connect all beams with the support poles reinforce the tower structure with two tubular truss rods After the all parts are connected fasten all bolts and slowly down the tower structure 4 Assemble over hang Connect over hang with end truss over hang and end truss should assemble with Logo panel support bar and steel wire at the same time Note the over hang should be 300 500 mm higher than the horizontal line of lateral Install U tube PE hose pressure regulator nozzles and end gun in accordance with the nozzle configuration table 5 Assemble Electric Control System Control box is mounted on the cross member of the center pivot Collector ring are linked by the cable which pass through the siphon the tower controller is installed in the corresponding truss near the flexible joint position and control bar is connected with the cam the other end is connected with the truss The motor reducer fixed at the middle of base beam 13 Requirements of electric control system The resistance of grounding conductor should be no more than 4 Q Central control box the cover of tower controller must be connected with the grounding line The insulation resistance of power lines and wire of
21. surface of contactor is good Check whether electro motors and water pumps are up to requirements Check whether tires pressure is adequate 7 Check whether the worm reducer amp Gear reducer add proper lubricant 2 Adjustment Synchronous adjustment Whether the irrigation system can normally run it lies on the electric synchronous control system of irrigation system the control bar drives cam and the cam drives micro switch the micro switch controls the action of contactor the contactor controls the operation of gear motor which drives worm reducers the worm reducers drive wheels finally to a synchronous state Sprinkler irrigation machine runs simultaneously The electric synchronous control system is properly mounted in factory it only needs a comprehensive review whether its parts has loosening phenomenon during the installation Synchronous Control Device Tower controller Control Adjusted part 1 locknut bar Adjustable bolt Toothed wheel 4 pus Adjustable nut Micro switch A Illustration 17 Synchronous Control Device 14 Adjustment in two steps a Adjustment before starting up After finishing the installation of irrigation system the whole lateral should be in a straight line and then install the control bar as required loose the nut of swivel shaft and position bolt turn adjusting nut make the cam close to micro switch until the hearing click it indicates the switch has start working the
22. ve is normal d Warning Working temperature should be above 4 the force of wind is below four scales The operation of shutting off firstly cut off the control box then close the valve stop pump and Generator Irrigation System should be positive reverse running by turns Wash the pipe after fertilization Discharge the bed load from the vent valve ball valve and outlet for discharge sewage according to the irrigation water quality and prevent pipeline to be blocked Over load Sand damages the irrigation system Irrigation System should be reliable grounding exposed electrical wire should be done insulation processing Gear reducer and worm reducer should always be checked and added lubricants lubricants maintain the center point of bearing Tire pressure maintains sufficient force 1 2 1 5 kilograms kg cm2 VI Traction of Center Pivot Irrigation System In order to raise the utilization rate of center pivot irrigation system reduce investment cost per unit area on equipment and when the irrigation period is available you can tug the system to irrigate more field by a tractor See illustration 18 15 Start Here da Operates Wet dl Operates Dry a KMoving Patterns 11 Preparation before traction start center pivot system and control all spans to stop in a straight line which is the same beeline of traction unfasten the pivot fixed pipe unfasten control bars of all tower controller and separate the connection pa
23. w Speed ARANA UNEN UD Power Supply O Please carefully fill out your information we recommend you a DYP Center Irrigation Pivot System that would be more suitable configure by your information 1 We will analyze the climate of your region property of soil and irrigated crop that you offer to help you customize a suitable sprinkler 2 Calculate the length of center pivot irrigation system by the area of your field 3 Customize the right power equipments and pump 19 Attachment 1 Chief Circuit Diagram i a Mi il KM2 pes rua E i pollo ta malfunction di splay 2 display ni sud lus 1H 1 1 Al a E IM 3 1 1 signal In 121 P Input 5017 244 lt KH1 8 Module VW E 20 Attachment 2 Circuit Diagram of Electric Control System Stop Run Run End End Non End Cloc FW Rev End End End End i lt Contr Towe Towe stop Towe k RV erse tower tower Towe Towe ol p r r wise i di r I Indic Indic Indic E Indic Indic Indic ator ator ator Contr line line Indic ator ator Contr Drive Indic ator Light Light line light ol ator light light ol Line ator light line Lin line line light li lin Line line lin e lin ne e e e 1 1 5 Teat KMI RME 5 DHS 11 L2 HR EX HE kM3 10 KM3 11 RJSJ T N 2j 4 6 o 3 5 8 IO J 3 Phase 4
24. work normally adjust the nozzles If the pressure regulator or nozzle is chocked immediately clear out the blockage e Adjust the volume of water per Ha Adjust the time relay value according to crop s needs which controls the speed of irrigation system to achieve appropriate rainfall 3 Advices of Operation a Process of Starting up Start up pump and open the water valve To prevent water hammer open the water valve slightly when the pipes is filled with water then fully open the water valve until all nozzles normally work Examine the water pressure which is controlled by the water valve Set the time relay in accordance with water requirements of field and then select the running direction The voltage transferred to 400 420 V Press the on button the irrigation system start to run observe whether voltage and current are normal at the same time b Inspection during Running Check whether there is a normal voltage and frequency and the water pressure of irrigation system is within the specified scope Check whether there is a running noise of motor whether the electric current is normal check the lubrication situation of rotating parts Check whether there is leakage of water or oil Check whether the irrigation system is in the permission of radian and the wheels round the same track Check whether the nozzle are normal c Examination after shutting off Check whether water valve is closed Check whether automatic vent val
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