Sumo DTS Series Operator's Manual And Parts List

Deep village seeder
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3m, 4.0m, 4.8m, 6.0m, 8.0m, 9.0m, 10.0m, &
12.0m machines
2013 V1
Operator Manual
And
Parts List
Redgates
Melbourne
York
YO42 4RG
Tel. 01759 319900
1
Fax. 01759 319901
Last updated 25-9-13 MD

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Summary of Contents for Sumo DTS Series

  • Page 1 3m, 4.0m, 4.8m, 6.0m, 8.0m, 9.0m, 10.0m, & 12.0m machines 2013 V1 Operator Manual Parts List Redgates Melbourne York YO42 4RG Tel. 01759 319900 Fax. 01759 319901 Last updated 25-9-13 MD...
  • Page 3 To activate your SUMO Warranty, you must complete this page and send it back to us at: Sumo UK Ltd Redgates Melbourne York YO42 4RG Tel. 01759 319900 Fax. 01759 319901 (NO REGISTRATION = NO WARRANTY) SUMO SERIAL No: For your own records.
  • Page 4 In order to obtain your free pair of Sumo overalls and baseball cap please fill in this form and send back to us at: Sumo UK Ltd Redgates Melbourne York YO42 4RG Tel. 01759 319900 Fax. 01759 319901 SUMO SERIAL No:...
  • Page 5 Dealer PDI check list Transport tyre pressures, 40 PSI Wheel nuts, (270N/m 8 stud) (450n/m 10 stud) Set markers Set fan speed (start with low fan speed and raise slowly) Check for Oil leaks with warm oil Set up to match tractor, DB height and DB length Fit electric power lead direct to tractor battery Set working depth according to seed type and ground conditions Ensure tractor is correctly balanced...
  • Page 7 Quick start Guide for coupling up the DTS drill Two cable ties represent – Pressure One cable tie represents – Return Yellow- Axle Pressure Yellow- Axle Return Red- Wings/Markers Pressure Red- Wings/Markers Return Blue- Coulter Pressure Blue- Coulter Return Brown- Fan Pressure Brown- Fan Free flow return &...
  • Page 8 Summary The SUMO Deep Tillage Seeder (DTS) drill is based on a concept known as ‘strip till drilling’, a method of only loosening and preparing a band of soil where the seed is to be placed and leaving the soil in between undisturbed, and therefore not working ground unnecessarily.
  • Page 9: Table Of Contents

    Table of Contents Operators Manual ............................. 11 1.0 Safety ..............................11 1.1 Qualification and Training ......................11 1.2 General safety ..........................12 1.3 Special safety instructions ......................12 1.4 DTS technical data ..........................13 1.5 Operator Check List ........................... 14 1.6 Warranty .............................
  • Page 10 5.4 Covering disc adjustment ......................40 5.5 Chassis adjustment......................... 40 5.6 Hydraulic Coulter adjustment ......................41 5.7 Markers ............................42 5.8 Calibration Procedure ........................43 5.9 4m, 4.8, 6m & 8m Metering Rollers ....................45 5.10 3m Metering Rollers ................. Error! Bookmark not defined. 5.11 Drill Settings .............................
  • Page 11: Operators Manual

    (accident prevention).  SUMO shall not be responsible for any damage caused by the use of spare parts, accessories and ancillary equipment not supplied and/or approved by SUMO.
  • Page 12: General Safety

     Take extreme care when hitching up or unhitching machine to/from the tractor.  Never allow persons to stand between the tractor and the SUMO machine unless the tractor is secured against rolling away by means of parking brake and/or wheel chocks.
  • Page 13: Dts Technical Data

    1.4 DTS technical data DTS 3m DTS 4m DTS 4.8m DTS 6m DTS 8m DTS 9m DTS 10m DTS 12m Transport width Transport height 2.5m 3.7m 3.7m 3.7m 3.7m in work wheels in wheels in wheels in wheels in transport transport transport transport...
  • Page 14: Operator Check List

    1.5 Operator Check List It is the owner / drill operator’s responsibility to set up the drill for: 1. Sowing depth according to conditions in each soil type and pre worked condition 2. Tramline bout number to suit tramlines 3. Tramline track width 4.
  • Page 15: Warranty

    1.6 Warranty In this warranty Sumo UK Ltd. is referred to as the Company. 1. Subject to the provisions of this warranty the Company Warrants each new machine sold by it to be sold free from any defect in material or workmanship.
  • Page 16: Rds Overview

    1. RDS Overview The Artemis system (single motor kit) Figure 1 Head Unit Power supply ‘ MCM’ CAN Module ‘HBM’ Land wheel Sensor Module (optional) Speed Motor Sensor (Radar) Priming Switch Shaft Tramline Speed Advance Sensors switch Hopper Fan Speed level Tramline Sensor...
  • Page 17: Main Functions

    Main functions The Artemis is designed to allow automatic, variable rate control of any drill. You can at any time, also manually override the predetermined rate as field conditions require. The basic functions are:  Variable Rate Control  Tramline Control ...
  • Page 18: Control Modes And Data Logging

    Control Modes and Data Logging Automatic Control Mode The application rate is automatically regulated as forward speed varies, to ensure that the actual application rate constantly matches a preset target rate. The application rate can be manually nudged up and down from the target rate as required. Field data ("job summaries") can be logged and are stored in the instrument memory.
  • Page 19: Rds Control Unit Operation

    2. RDS Control Unit Operation Status Indicators All the operating screens have a status bar at the top of screen displaying the time as well as a number of different icons. These icons indicate the following: Data Card DGPS Signal Area cutout Inserted No signal...
  • Page 20: Forward Speed Display And Alarm Functions

    Figure 3: MAIN screen (dual product / single metering) MAIN_SEED_FERT.PCX Display as figure 2 except as shown Figure 4: MAIN screen (single product / dual metering) MAIN_LEFT_RIGHT.PCX Display as figure 2 except as shown 2.2.1 Forward speed display and alarm functions Display smoothing Except for sudden changes in speed, the forward speed displayed at any moment will be the average speed calculated over 3 seconds.
  • Page 21: Tramlining Status/Functions

    Maximum speed reminder When setting a new target rate on the RATE screen, the instrument re-calculates and displays the maximum forward speed at which that rate can be maintained (fig.5). It is calculated from the rate set, drill working width, current calibration factor, gearbox ratio and maximum motor speed. Figure 5 UK566-06.PCX Simply...
  • Page 22: Rate' Screen

    ‘RATE’ screen This screen allows the drilling rate to be adjusted. Either kg/ha or seeds/m units can be set via the SETUP menu. Figure 6: RATE screen - single product Current drilling Maximum forward rate speed at which the current drilling rate can Target rate be maintained...
  • Page 23: Info' Screen

    ‘INFO’ screen Figure 8 Area total Seed total Fertiliser total INFO_SEED_FERT.PCX Select Part Total / Reset selected Normal Total display total Select Grand total (No function) display There is a ‘PART’ and a ‘NORMAL’ total for each product INFO4.PCX No func. Tramlining To set the desired tramline rhythm, select the SETUP screen and press the key.
  • Page 24 The target no. of bouts can be selected up to 10, with, symmetrical, asymmetrical left or asymmetrical right rhythm selectable. Symmetrical Asymmetrical left Asymmetrical right The instrument displays the drill/sprayer width combination for the selected target no. of bouts. Beyond 10 bouts, a number of special asymmetric rhythms can be selected to suit the following drill/sprayer width combinations. ‘8-pass’...
  • Page 25: Metering Motor - Manual Override/Half-Width Drilling

    Metering motor – manual override/half-width drilling Simply press the desired key(s). The metering motor(s) can be stopped manually as desired, eg: An area of field needs further cultivation before seeding. In the case of a front-mounted hopper, the metering motor is switched off just before the end of the bout to clear the seed through (the opposite of the ‘pre-start function).
  • Page 26 Weigh the contents of the container, and then enter the ACTUAL weight dispensed (fig. 14) and press ENTER to confirm. Figure 12 Figure 13 Figure 14 NOTE: The heading will be either SEED / FERT / LEFT / RIGHT according to steps 2a , 2b. Press ENTER again for the instrument to re-calculate and display the new calibration factor in kg/rev, the error %, and the maximum forward speed that is permissible based on the application rate set for the product (fig.15).
  • Page 27: Set Fan Speed And Hopper Level Alarm Thresholds

    2.7.2 ‘CALIBRATION NUDGE’ - Adjusting the calibration factor The ‘calibration nudge’ procedure enables you to adjust the existing calibration factor without having to redo a bucket test. First note down the PART TOTAL for the product displayed in the INFO screen. This is the theoretical quantity that the instrument has calculated.
  • Page 28: Speed Simulation

    Speed simulation If the radar speed sensor stops working, you can continue drilling by simulating a forward speed signal. Remember though that your actual forward speed should match the simulated speed as close as possible, otherwise the drilling rate will not be correct. Drive faster than the simulated speed and you will under-apply, and vice-versa. To set the simulated forward speed, from the SETUP screen, select ‘1 User Setup’...
  • Page 29: Speed Auto Call Routine

    2.11 Speed auto call routine, 1, Press red button 2, Press “1” user setup 3, Press “2” speed sensor factor 4, Go down to option 2 and press enter. N.B. At this point, you can manually edit option 1, the SSF as displayed. 5, When you are ready, with the machine in work, in a field, press enter to start.
  • Page 30: Half Width Shut Off

    2.12 Half width shut off As fitted to 6m and above drills A deflector is moved to the left or right using an electronic actuator controlled from the cab instrument as shown bellow. When half the drill is switched off the motor speed is halved at the same time Seed is deflected to just one distribution head enabling the half width function.
  • Page 31 2.12.1 HWSO Operation When half width is enabled the MAIN screen is as follows: With the left turned off it changes to: with the reminder Motor speed is reduced by 50%. With the right turned off it changes to: with the reminder Motor speed is reduced by 50%.
  • Page 32 Depending upon settings the actuator should not take longer than 5 seconds to achieve its target position. This alarm screen is shown after 10 so therefore should normally never be seen. If it is it could be a problem with the actuator or the wiring. To continue drilling ½ width position will need to be found manually (by removing and disconnecting the actuator wiring) and the half width function will need to be turned off.
  • Page 33: Gps Configuration

    3.0 GPS Configuration Hardware/software set up Procedure to receive a GPS speed signal and variable seed rate signal Outline procedure: 1, Port set up 2, Baud rate (match GPS device to the RDS box) 3, Select the speed sensor option. To use GPS, choose NMEA VTG, option 4 To use the radar, choose option 3 4, Load Variable rate maps from the log page...
  • Page 34 Figure 3: Typical Setup- Psi receiving rate instructions E.G Soyl Opti, John Deere Greenstar GPS Receiver Third-party Controller Bottom Port Rate instruction ERIS Custom Interface Cable NOTE: Power Supply as normal via Pro-Series 50-way 'D' connector Figure 4: Typical Setup- Psi receiving rate and GPS instructions via separate cables E.G Trimble GPS Receiver Third-party Port...
  • Page 35: Head Unit Configuration - Port Settings

    3.1 Head Unit Configuration - Port Settings Having connected the hardware to the appropriate port(s), you need to configure the port settings. Press to select SETUP then, 5. GENERAL PF SETUP 6. PORTS SETUP Figure The ‘Ports Setup’ screen can also be accessed via the Technician Config menu (PIN=1234). Use the arrow keys to select the correct option and press ENTER to confirm.
  • Page 36: Internal Data Card Module

    Internal Data Card Module Figure 3: SD Data Card Module SD CARD MODULE-GS.JPG The internal data card reader accepts SD/MMC cards of up to 2Gb, to store data generated from harvesting, soil sampling, or variable-rate treatment. It can also upload data e.g. treatment plans or navigation data for soil sampling. Typically, a 64Mb card can store data for up 2500 hectares.
  • Page 37: Third-Party Gps Receivers

    3.3.2 Third-party GPS Receivers Any DGPS receiver may be used if the output is compatible with the head unit. Ref. section 2.5 – changing the GPS baud rate. Your existing GPS lead will not work if connected directly to the head unit. Connect it to the top port via the ‘Pro- Series-Jupiter’...
  • Page 38: Data Logging And Variable Rate Treatment

    Data Logging and Variable Rate Treatment Data Logging and Variable Rate control functions are accessed from the SETUP screen. Press the key to display the logging screen (fig. 24). The instrument then detects the presence of the data card. Press the START key to select the JOB STARTUP page (fig. 25). Figure 24 Figure 25 Options...
  • Page 39: Drill Settings - Coulter Overview

    Drill Settings – Coulter overview Hydraulic leg and contour following pressure Covering discs Leading disc depth Leg depth Seed depth 5.1 Disc Depth Leading disc depth is adjusted by removing M12 bolts and rotating unit to the new desired position. M12 bolt Deep Shallow...
  • Page 40: Seed Depth

    5.3 Seed depth The seeding depth is altered by removing a 20mm pin and lifting or lowering the coulter. For bean drilling a 1” seed boot can be fitted by removing roll pin. 20mm seed leg depth pin Shallowest seed leg depth Deepest seed leg depth 1”...
  • Page 41: Hydraulic Coulter Adjustment

    5.6 Hydraulic Coulter adjustment The hydraulic coulters run using a constant oil supply from the tractor. The pressure in the system is regulated using a pressure relief valve located near the fan. The pressure gauge fitted to the valve displays the working pressure.
  • Page 42: Markers

    5.7 Markers Pin hole to lock marker in place for transport. Disc angle can be changed via M16 bolts to exaggerate or reduce the mark left in the soil. Setting Markers to working position 5.3 Markers are designed for marking the tractor centreline. 5.4 Markers are pre –adjusted in the factory.
  • Page 43: Calibration Procedure

    Caution! Check if you have correct seed rotor fitted 5.8 Calibration Procedure Seed rotor can still be changed when hopper has seed in by fitting slide above metering unit, this will need metering out. 1. Open flap (1) to allow seed to flow out of the Venturi. 2.
  • Page 44 After the motor has been stopped with the white button the screen will show the expected weight. Then enter the ACTUAL weight dispensed using the keypad (fig. 14) and press ENTER to confirm. Figure 13 Figure 14 Check decimal place and units. Could cause embarrassing!! mistakes!!
  • Page 45: 4M, 4.8, 6M & 8M Metering Rollers

    5.9 4m, 4.8, 6m & 8m Metering Rollers Image Volume (cm Possible use Part No. SW771 Linseed, Grass seed SWB208 Low rate of Cereals SWB242 Cereals, Beans and Peas SWB206 Cereals, Beans and Peas SW730 Beans and Peas SW769...
  • Page 46: Drill Settings

    5.11 Drill Settings 4m, 6m and 8m Drill Settings Crop Rape Rape Grass Linseed Cereals Cereals Cereals Cereals Cereals Beans Peas Drilling rate 150/250 (kg/ha) Roller 2 or 3 2 or 3 4 5 or 6 4 5 or 6 Fan speed 2700 2700...
  • Page 47: Maintenance

    6.0 Maintenance The condition of the legs and the coulters should be regularly monitored in order to maintain the most efficient use of the machine. Greasing Coulters – the coulters are mounted on self lubricating, maintenance free plastic flange bushes Coulter rams –...
  • Page 48: Parts Assembly Overview

    7.0 Parts Assembly Overview Description Page Coulters 46-53 Metering Unit Distribution system Drill switching Fan assembly 57-58 Lifting and folding RDS Control system 60-64 Hydraulics Stickers and Paint...
  • Page 49: Coulter Overview

    7.1 Coulter overview Parallel linkage and hydraulic rams Depth pins Press wheels Leading disc DTS leg Covering discs Seeding leg...
  • Page 50: Parallel Linkage And Rams

    7.2 Parallel linkage and rams Item Part No. Description 30mm x 274 tabbed pin SW1240 25mm x 195 tabbed pin SW1241 30 x 257 tab and threaded pin SW1242 25 x 180 tab and threaded pin SW1243 SWH393 A/R ram for front loosening legs SWH102 Coulter pressure ram SWM20210...
  • Page 51: Depth Pins

    7.3 Depth pins Item Part No. Description SW1255 Leg depth pin SWB105 Lynch pin SW1256 20mm Seed leg depth pin & press wheel arm pin...
  • Page 52 7.4 Leading disc unit Item Part No. Description SWB442 450mm leading straight disc SW1226 Bolt on disc ring SWB399 Bearing hub SWM22004 M22 x 1.5 nylock nut SWM1220fine M12x1.25 x 20 bolt SW1227R Leading disc arm Right hand SW1227L Leading disc arm Left hand (Shown) SW1228 Front disc ring scraper SW1229...
  • Page 53: Seeding Leg Assembly

    7.5 Seeding leg assembly Item Part No. Description 5” seed boot SWB443 1” seed boot SWB444 ¼” x 1” roll pin SWB275 SW1225 DTS seed boot coulter leg SWB344 32mm seed hose (per m) 3m only 5 (not shown) SWB470 38mm seed hose (per m) SWB277 32mm hose clip...
  • Page 54: Leg Assembly

    7.6 Leg assembly Item Part No. Description SWB197 3034-40 plastic bush SW1224 DTS front Loosening tine 180mm carbide SWM1640 M16 x 40 bolt SWM16004 M16 Nylock nut SW1309 DTS leg frame...
  • Page 55: Covering Discs

    7.7 Covering discs Item Part No. Description Item Part No. Description SWM1690 M16 x 90 bolt SW1259 50od x 16.5id x 6mm SWM1680 M16 x 80 bolt SW1260 29od x 16.5id x 8mm SWM16003 M16 flat washer SW1261 50od x 16.5id x 10mm SWM16004 M16 Nylock nut SW1262...
  • Page 56: Press Wheels

    7.8 Press wheels Item Part No. Description SWB452L 4.00x8 wheel (tyre left hand) SWB452R 4.00x8 wheel (tyre right hand) SWB399 Bearing hub SWM22004 M22 x 1.5 nylock nut SWM1220fine M12x1.25 x 20 bolt SW1230 Middle wheel deflector SW1310 DTS press wheel arm SWM10040 M10 x 40 bolt SWM10004...
  • Page 57: Metering Unit

    7.9 Metering Unit Item Part No. Description Quantity/machine SWM6005 M6 Wingnut SW774 Metering unit - endplate SWB205 Metering Motor Unit Metering Roller – 525cm SW770 Metering Roller – 460cm SWB206 Metering Roller – 60cm SWB208 Metering Roller – 8cm SW771 SWB207 Metering unit - bearing SWB240...
  • Page 58: Distribution System

    7.10 Distribution system Item Part No. Description SWB344 32mm seed hose (per m) SWB470 38mm seed hose (per m) SWB458 89mm seed hose (per m) SWB354 127mm seed hose (not shown) (per m) SWB350 Tramline valve SWB494 Tramline half moon wedge SWM6005 M6 wing nut SWB495...
  • Page 59: Drill Switching System

    7.11 Drill switching system Item Part No. Description SWH295 Area cut out ram SWB299 Area cut out sensor SWB302 Blue magnet SWM6025 M6 x 25 bolt SWM16100 M16 x 100 bolt SWM16004 M16 nylock nut SW1247 10mm x 50odx16id washer...
  • Page 60: Fan Assembly

    7.12 Fan assembly Item Part No. Description Quantity/assembly SW977 Fan cover SWB303 Fan magnets SWB328 Propeller SWB329 Fan boss SWB330 fan housing SWB437 fan inlet flange (not shown) SWB299 Fan speed sensor SW978 Mounting bracket SW979 Versadrill fan outlet adaptor...
  • Page 61: Hydraulic Assembly - Fan

    2.13 Hydraulic Assembly – Fan Item Part No. Description Quantity/assembly SWH317 Fan Motor SWH318 Splined coupling SWM12000 M12 half nut SWH319 Bearing support SWB329 Key way drive shaft SWH182 12L 90 SWH156 12L Tee SWH316 3/8 in line check valve SWH365 0-20 bar pressure gauge SWH321...
  • Page 62: Lifting And Folding

    7.14 lifting and folding Item Part No. Description SWH391 706-9 (4m) SWH355 706 seal kit SWH137 707-10 (6 -8m) SWH292 707 seal kit SWH132 706-4 folding ram SWH355 706 seal kit SWH154 Pilot operated check valve SW440 30mm x 175 tabbed pin SW1248 30mm x 130 tabbed pin SW185...
  • Page 63: Rds Kit List And Part Numbers

    7.15 RDS Kit list and Part Numbers Drill head unit K/PS/BKT/MK2 Item # Part No. Description SWB314 Head Unit (S/HU/268-6-003) SWB315 Cable - Head Unit (S/CB/268-6-045) SWB316 Mounting Bracket Kit (S/PS/BKT/MK2)
  • Page 64 Item # Part No. Description SWB295 Motor Assembly ( S/AC/268-6-043) CAN Module – MCM (S/HU/322-5-002) SWB296 Wiring Harness – MCM (S/CB/322-5-021) SWB297 SWB298 Junction Box (S/AC/268-6-049) (1 of 2) Sensor Kit – (for Seed Shaft) (K/SNR/503) SWB299 (2 of 4) Switch Kit –...
  • Page 65 Figure 6: Single/Dual Motor Drive - HBM related components K/SNR/503 Item # Part No. Description SWB298 Junction Box (S/AC/268-6-049) (1of 2) Sensor Kit – (for Fan Shaft) (K/SNR/503) SWB299 (1 of 4) CAN Module – HBM (S/HU/322-5-001) SWB304 Wiring Harness – HBM (S/CB/322-5-020) SWB305 SWB306 Wiring Harness - Main (S/CB/268-6-046)
  • Page 66 Figure 7: Power Supply and Radar Sensor K/ART2/PWR K/TGSS/MK3/UK Item # Part No. Description Power Cable – Tractor ( S/CB/500-1-074) SW877 SWB309 Power Supply Kit (K/ART2/PWR) SWB310 Radar Sensor Kit (K/TGSS/MK3/UK) 25 e SWB355 Power lead fuse holder ( S/H661-012) 25 d SWB363 60 amp fuse (S/H663-025)
  • Page 67 Extension kit A 4m extension cable kit for use with trailed drills Item # Part No. Description Power Supply Extension Cable – 4m ( S/CB/318-1-022) SW896 Instrument Extension Cable – 4m ( S/CB/318-1-021) SW897...
  • Page 68: Hydraulic Assembly - Marker Arms To

    7.16 Hydraulic Assembly – Marker arms to 2 changeover valve (Part 2) Item Part No. Description Quantity/assembly 3/8” Banjo bolt SWH143 3/8” dowty washer SWH142 SWH296 Pilot Operated Check Valve 3/8 SWH103 701/3 Ram SWH156 12L Tee SWH297 marker changer over valve SWH312 1mm restrictor SWH290...
  • Page 69: Stickers And Paint

    7.17 Stickers and Paint Part Sticker Description Quantity Large Sumo horizontal sticker SWB125 670 x 179mm Vertical Sumo sticker SWB128 80 x 235mm Seed Sensor Sticker 112 x 70mm SWB202 Small Union Jack sticker SWB129 Small Sumo Horizontal Sticker SWB130...
  • Page 70 Part Sticker Description Quantity Beware of moving machine SWB325 80 x 70mm Caution sticker SWB326 80 x 70mm No riding on the machine SWB317 77 x 156mm Read operators manual before operating the machine SWB318 77 x 156mm Beware of folding mechanism SWB319 77 x 156mm...
  • Page 71 Warning fan return pressure SWB321 90 x 140mm...
  • Page 72 3m DTS supplement Chassis Item Part No. Description SW1333 3m DTS frame SW627 Cat 3 top link pin SW626 Cat 3 lower link pin SWB530 Depth Wheel ( 6.5/80-12 6ply) SW1334 5 stud stub axle...
  • Page 73 Caution! Check if you have correct seed rotor fitted 3m Calibration Procedure Seed rotor can still be changed when hopper has seed in by fitting slide above metering unit, this will need metering out. 1. Open flap (1) to allow seed to flow out of the Venturi. 2.
  • Page 74 8. After the motor has been stopped with the white button the screen will show the expected weight. Then enter the ACTUAL weight dispensed using the keypad (fig. 14) and press ENTER to confirm Figure 13 Figure 14 Check decimal place and units.
  • Page 75 3m Metering Rollers Image Volume (cm Possible use Part No. SWB510 Cereals, SWB472 Beans and Peas Optional part SWB511...
  • Page 76 3m Drill Settings 3m Mounted Drill Settings Crop Rape Rape Grass Linseed Cereals Cereals Cereals Cereals Cereals Beans Peas Drilling rate 150/250 (kg/ha) Roller 2 or 3 2 or 3 Fan speed 1200 2000 2100 2200 2600 2600 2600 2600 2600 3000 3000...
  • Page 77 3m tramline system The Sumo DTS is unique in that the drill does not have any tramline markers as such, the coulters that are blocked off are lifted. This system works by the way of a 3 way solenoid diverter, and the hydraulic feed form the bout markers.

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