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SCS 340

INSTALLATION

AND

SERVICE MANUAL

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Summary of Contents for SCS 340

Page 1: ...SCS 340 INSTALLATION AND SERVICE MANUAL ...

Page 2: ...lastic parts in the Flow Meter and motorized Control Valve Check the rotor and inlet hub assembly in the Flow Meter frequently for worn parts Excessive wear can affect accuracy Do not attempt to modify or lengthen any of the three wire Speed Sensor or Flow Meter cables Extension cables are available from your Dealer ...

Page 3: ...Manual Rev A SCS 340 7 98 Order 50 7 98 016 0159 745 ...

Page 4: ...LOW LIMIT FLOW SET POINT AND LOW LIMIT ALARM 18 8 DISPLAY SMOOTHING 18 9 VALVE CAL 19 10 CONTROL VALVE DELAY 19 11 SEQUENCE TO ACTIVATE DATA LOCK 19 12 SEQUENCE TO CHANGE DATA LOCK 19 13 ENTER MODE SEQUENCE WITH ACTIVATED DATA LOCK 20 INITIAL SYSTEM SET UP 20 INITIAL SYSTEM FIELD TEST 21 PREVENTIVE MAINTENANCE 21 APPENDIXES 1 WHEEL DRIVE SPEED SENSOR INSTALLATION AND CALIBRATION 22 2 SPEEDOMETER D...

Page 5: ... 0 039 inch 1 centimeter cm 0 393 inch 1 meter m 3 281 feet 1 kilometer km 0 621 mile 1 inch 25 4 millimeters 2 54 centimeters 1 mile 1 609 kilometers PRESSURE 1 psi 6 89 kPa AREA 1 square meter 10 764 square feet 1 hectare ha 2 471 acres 10 000 square meters 1 acre 0 405 hectare 43 560 square feet 1 square mile 640 acres 258 9 hectares GPM Gallons per minute lit min Liters per minute dl min Decil...

Page 6: ... directly in the cab of the vehicle for easy operator use The Raven Radar Speed Sensor is mounted on the vehicle or on the sprayer implement Speedometer Drive Speed Sensors and Wheel Drive Speed Sensors are also available The motorized Control Valve and Flow Meter mount directly to the framework of the sprayer Appropriate cabling is furnished for field installation The operator sets the target rat...

Page 7: ... bottom of the Radar See Figures 1 and 2 b The Radar lens must be parallel to the ground from front to back Radar can be tilted out 0 15 degrees to provide more clearance and miss obstructions See Figure 2 c The Radar should be mounted so that the length of the Radar is parallel with direction of vehicle travel 3 Use carpenters level to verify that mounting bracket is parallel to the ground 4 Bolt...

Page 8: ...vertically with arrow pointing upward Refer to Appendix 3 for alternate plumbing diagram NOTE It is essential when using suspensions that the system be thoroughly rinsed out each day after use Failure to do so may cause system to malfunction 3 MOUNTING THE CONTROL VALVE l Mount the motorized Control Valve in the main hose line between the Flow Meter and the booms with motor in the upright position...

Page 9: ...y wire to the NEGATIVE battery terminal and the Red battery wire directly to the POSITIVE battery terminal See Figure 6 on page 7 DO NOT CONNECT RED AND WHITE WIRES TO THE STARTER Secure the battery wires with plastic cable ties DO NOT tie battery wires close to existing battery leads or any other electrical wiring See Appendix 8 for Remote Switch installation 4 Connect the Speed Sensor to the plu...

Page 10: ...7 BATTERY CONNECTIONS FIGURE 6 ...

Page 11: ...OTAL VOLUME Total Volume Applied TOTAL AREA Total Area Applied CALIBRATION KEYS Used to enter data into the Console to calibrate the system BOOMS 1 4 Length of BOOMS 1 4 SPEED CAL Determined by Speed Sensor METER CAL Meter Calibration Number FLOW RATE Target Application Rate Manual override control provides capability for spot spraying Booms can be controlled individu ally or all at once with MAST...

Page 12: ...Console FIGURE 7 2 Band Spraying Calculate the width of each boom in inches cm by multiplying the number of tips by the spacing Calculate the Adjusted Applied Rate by multiplying the Broadcast Rate by Band Width in inches cm divided by Spacing in inches cm EXAMPLE Broadcast Rate 20 GPA 200 lit ha Spacing 40 inches 100 cm Band Width 14 inches 40 cm Adjusted Applied Rate GPA x Band Width Spacing 20 ...

Page 13: ...ccelerate and decelerate slowly CAUTION Do not use vehicle odometer to determine distance Use section lines or highway markers 7 Read DISTANCE by depressing key labelled DISTANCE display should read a value of approximately 5280 1000 If it reads between 5260 5300 990 1010 the SPEED CAL is 598 1520 If the DISTANCE display reads any other value divide SPEED CAL by the value observed in DISTANCE then...

Page 14: ...efinitions below For STANDARD VALVE C Sd For FAST VALVE C FC Valve Backlash Digit Controls the time of the first correction pulse after a change in correction direction is detected INC to DEC or DEC to INC Range 1 to 9 1 Short Pulse 9 Long Pulse Valve Speed Digit Controls response time of Control Valve motor CAUTION Running the Control Valve too fast will cause the system to oscillate C Sd Valve R...

Page 15: ...our spray nozzles are capable of applying at this rate In determining which spray nozzles to use with your sprayer you must know 1 Nominal Application Pressure ___ PSI kpa 2 Target Application Rate ___ GPA lit ha 3 Target Speed ___ MPH km h 4 Nozzle Spacing ___ inches cm From this information calculate the volume per minute per nozzle as follows GPM lit min GPA lit ha x MPH km h x inches cm 5 940 ...

Page 16: ...enter i e 7 4 3 The numbers will be dis played as they are entered Depress the key in which you wish to enter data Depress the ENTER key An E will illuminate in the DATA display CONSOLE PROGRAMMING When entering data into the Console the entry sequence is always the same NOTE DATA MUST BE ENTERED INTO KEYS 1 THRU 6 ...

Page 17: ...his will reset the console The following steps must be followed 1 Display US acres SI hectares or TU 1000 sq ft a Depressing momentarily steps the display from US to SI b Depressing momentarily steps the display from SI to TU c Depressing momentarily steps the display from TU to US 2 Selecting US SI or TU a To select US SI or TU step until the desired code is displayed b Momentarily depress The di...

Page 18: ...l change to b 01 Enter Boom Data a Select boom b 01 b Use boom width as calculated under CALCULATING BOOM CAL c If a boom is not needed enter a 0 for the length 8 Enter SPEED CAL as calculated under CALCULATING SPEED CAL in 9 Enter METER CAL calibration number in 10 A VALVE CAL calibration number is automatically entered into the console based on what your valve selection was during the initial Co...

Page 19: ...C a Depress for 5 seconds and continue holding DATA display will toggle thru selections until key is released 2 To display TOTAL AREA covered a Depress b To zero out this total at any time enter a 0 in 3 To display TOTAL VOLUME sprayed a Depress b To zero out this total at any time enter a 0 in 4 To display speed in MPH km h a Depress 5 To display DISTANCE in feet m traveled a Depress b To zero ou...

Page 20: ...isplay will show 6 0 9 6 The SELF TEST speed will clear itself when motion of vehicle is detected by the Speed Sensor A SPEED CAL value of 900 230 or greater is recommended when operating in this mode NOTE To prevent nuisance clearing of self test speed disconnect speed connector on back of the Console when Radar Speed Sensors are used 4 ALARM MENU 1 To display ALARM MENU a Depress for 5 seconds A...

Page 21: ...y low limit flow set point a Depress for 9 seconds Display will show LL and low limit flow rate will appear in the display A low limit flow rate may now be entered 2 If the actual volume per minute falls below the set limit the Control Valve stops closing an alarm sounds if enabled and the display flashes LL 3 The low limit value should be determined with all booms ON This value is automatically p...

Page 22: ...lue of 0 means no delay The remaining 3 digits are always zero The Control Valve Delay feature only operates when the booms are toggled OFF or ON in intervals of 30 seconds or less 11 SEQUENCE TO ACTIVATE DATA LOCK The DATA LOCK feature prohibits the entry of data without first entering an activated code number The code number may be up to 4 digits long The code number may be cleared by changing t...

Page 23: ...Place MASTER ON OFF switch to ON and BOOM ON OFF switches to OFF 3 Place AUTO MAN OFF switch to MAN 4 Verify that Boom Widths SPEED CAL METER CAL and RATE CAL have been entered correctly into the Console In SELF TEST mode enter the normal sprayer operating speed 5 Run pump at normal operating RPM 6 If centrifugal pump is used proceed with Step 8 If positive displacement pump is used set pressure r...

Page 24: ...ecting properly first review INITIAL SYSTEM SET UP then refer to SERVICE MANUAL and TROUBLESHOOTING GUIDE 5 At the end of each row place the MASTER switch to OFF to shut off flow This also shuts off the area totalizer 6 Verify area covered and volume used PREVENTIVE MAINTENANCE Preventive maintenance is most important to assure long life of the system The following maintenance procedures should be...

Page 25: ...e mounted in alternating red black order 4 Mount switch assembly to stationary column with the hardware provided See below The switch assembly need not pivot with the wheel 5 Position switch assembly so that as the wheel rotates the magnets pass across the center of the black molded switch assembly 6 Clearance gap between magnets and switch assembly must be between 1 4 inch 6 mm and 1 inch 25 mm W...

Page 26: ...rawn Mark this point as the center Drill four 1 2 holes for mounting the magnets RIMS WITH A SIX HOLE STUD PATTERN Locate the center of the holes to be drilled by using the rim webbing as a guide Obtain a small piece of wood and cut to fit exactly over the web as shown Measure the length of the piece of wood and mark the center on one edge Using the center mark on the piece of wood mark each of th...

Page 27: ...ormance of the Console MEASURE CAREFULLY Be sure tire is properly inflated before measuring Measure tire in type of soil in which you will be spraying Circumference of tire will vary when measured in soft soil versus hard packed soil For best results measure several times and average the results 6 It may be necessary to modify your SPEED CAL number based on the amount of magnets you are using The ...

Page 28: ...ll into engine compartment 2 Install adapter and key on speedometer cable and connect to Transducer Assembly Some units do not use adapter and key 3 Connect Extension Cable to Transducer Assembly 4 Push Extension Cable through fire wall and re install on speedometer 5 Connect the cable on the Transducer Assembly to the Console 6 Secure all cables with plastic cable ties You are now ready to calibr...

Page 29: ...lowing calculation Multiply the SPEED CAL by the target distance reading then divide the sum by the actual value in DISTANCE display This will give you the corrected value to enter for SPEED CAL You must round off to the nearest 3 digit whole number EXAMPLE SPEED CAL 306 78 Target distance reading 5280 1000 Assume the actual DISTANCE display reads 5000 980 ENGLISH UNITS METRIC UNITS 306 x 5280 323...

Page 30: ... have been entered correctly into the Console In SELF TEST mode enter the normal sprayer operating speed 5 With pump not running fully open main line hand valve fully open by pass 1 hand valve and completely close agitator line hand valve If positive displacement pump is used fully open the pressure relief valve PRV 6 Run pump at normal operating RPM 7 If centrifugal pump is used proceed with Step...

Page 31: ...t the desired minimum operating pressure Minimum pressure should be approximately one half the normal spraying pressure EXAMPLE If normal spraying pressure is 30 psi 210 kPa set minimum pressure at approximately 15 psi 105 kPa 15 Verify maximum and minimum pressures and RATE by repeating Steps 10 and 13 INITIAL SYSTEM FIELD TEST 1 Drive down field or road at target speed with sprayer booms OFF to ...

Page 32: ...se by increments of 1 or more counts 4 If DISTANCE does not increase remove the section of cable and repeat test at connector next closest to Console Replace defective cable as required 5 Perform above voltage checks 6 If all cables test good replace Speed Sensor NOTE After testing is complete re enter correct SPEED CAL number before application PIN DESIGNATIONS 2 o clock socket location is power ...

Page 33: ...does not increase remove the section of cable and repeat test at connector next closest to Console Replace defective cable as required 6 Perform above voltage checks 7 If all cables test good replace Flow Sensor NOTE After testing is complete re enter correct METER CAL numbers before application PIN DESIGNATIONS 2 o clock socket location is ground 10 o clock socket location is power 6 o clock sock...

Page 34: ...nd spin turbine The turbine should spin freely with very little drag inside the turbine hub 5 If transducer assembly is replaced or if turbine stud is adjusted or replaced verify the turbine fit before reassembling Hold turbine hub with turbine on transducer Spin turbine by blowing on it Tighten turbine stub until turbine stalls Loosen turbine stud 1 3 turn The turbine should spin freely 6 Re asse...

Page 35: ... VOLUME display before retesting NOTE For greatest precision set METER CAL to 100 and pump 100 gallons 378 liters of water 8 To verify Flow Meter calibration fill applicator tank with a predetermined amount of measured liquid i e 250 gallons DO NOT RELY ON GRADUATION NUMBERS MOLDED INTO APPLICATOR TANK Empty the applicator tank under normal operating conditions If the number displayed under TOTAL ...

Page 36: ...33 APPENDIX 8 REMOTE SWITCH OPTION FIGURE 12 The REMOTE switch when installed is in parallel the Master switch therefore switching on the REMOTE switch or the MASTER switch will energize the boom valves ...

Page 37: ... feature that is being programmed These features and their display codes are outlined below Depress 5 seconds for Depress 7 seconds for Depress 9 seconds for Alarm Menu A on AoFF Display Smoothing d on doFF Console Key Program Rev Number Program Part Number P Off Target Alarm or Control Valve Delay dLAY Valve Cal uCAL Flow Rate FLo Automatic Rate dELt Low Limit Alarm LL Self Test tESt Display Unit...

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