Duncan Enviro 740 Owner's Manual
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Duncan Enviro 740 Owner's Manual

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Owners Manual
'Enviro' Seed Drill
Head Office:
P.O. Box 2018
Hilton Highway, Washdyke
Timaru, New Zealand
Telephone (03) 688 2029
Facsimile (03) 688 2821
Model 740
Australian Branch:
4B Silverton Close
Laverton North 3026
Melbourne, Australia
Telephone (03) 9314-9666
Facsimile (03) 9314-6810
Pt. No. 67304
Issue 1217

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  • Page 1 Owners Manual ‘Enviro’ Seed Drill Model 740 Head Office: Australian Branch: P.O. Box 2018 4B Silverton Close Hilton Highway, Washdyke Laverton North 3026 Timaru, New Zealand Melbourne, Australia Telephone (03) 688 2029 Telephone (03) 9314-9666 Facsimile (03) 9314-6810 Facsimile (03) 688 2821 Pt.

  • Page 3: Table Of Contents

    Contents ‘Enviro’ Seed Drill Page Contents ‘Sidewinder’ Hayfeeder Introduction ........Acquisition &...

  • Page 4: Acquisition & Warranty

    The Owner’s Manual to the machine, where necessary, without notification. Your new Duncan Enviro Seed Drill will give long and efficient service if given normal care and operated properly. The Company will not be responsible for any damage or This owner’s manual is provided so that you can become...

  • Page 5: Description Of Machine

    Description of Machine The Duncan ‘Enviro’ is a triple disc direct drill. It has two boxes for either seed combinations or traditional seed fertiliser mixes. The boxes are mounted on a heavy duty frame accommodating large end wheels which are...

  • Page 6: Safety Symbols On Machine

    ATTENTION On the machine important safety information is indicated by these symbols. These highlight general safety aspects in regard to the machine rather than specific hazards. Do not ride or allow passengers on the machine. Under no circumstances are passengers to be permitted on the machine while it is in operation or being transported.

  • Page 7: Safety - General Introduction

    SAFETY - General This section of the manual offers general guidelines for the safe operation of machinery. It does not replace N.B. Throughout this local safety regulations. These guidelines were current at manual important safety the time of publication, but may be superseded by later information is indicated regulations.

  • Page 8: Appropriate Dress

    SAFETY - General (Continued) Appropriate Dress Wear close fitting clothing and avoid rings or other forms of jewellery which could become caught in the machinery. People with long hair must have it securely fixed and confined close to the head. Refer to local safety standards for protective clothing and recommended safety equipment.

  • Page 9: Handle Agricultural Chemicals Safely

    SAFETY - General (Continued) Handle Agricultural Chemicals Safely All farm chemicals should be stored, used, handled and disposed of safely and in accordance with the supplier’s/ manufacturer’s recommendations. Read the product label before using, noting any warnings or special cautions, including any protective clothing or equipment that may be required, ie.

  • Page 10: Practise Safe Maintenance

    SAFETY - General (Continued) Practise Safe Maintenance Keep the machine in safe working condition. Routine maintenance and regular servicing will help reduce risks and prolong the life of the machine. General Maintenance Accidents occur most frequently during servicing and repair. The following general rules must be followed when maintaining or working with machinery: •...
  • Page 11 SAFETY - Machine Specific This section of the manual gives specific guidelines for the safe operation of the Duncan Enviro. These guidelines were current at the time of publication, but may be superseded by later circumstances. They do not necessarily cover every possible hazard and must be read in conjunction with the SAFETY - General section (Page 4 - 8).
  • Page 12 SAFETY - Machine Specific (Continued) Hazard Points on the Duncan Enviro (Continued) Chain Guards & Access Covers To prevent hands, etc. getting caught in the gearbox drive chain, a guard is provided to cover sprockets, chain and chain tensioner mounted on the side of the mainframe side plate.

  • Page 13: Safety Decals & Safety Guards

    SAFETY - Machine Specific (Continued) Safety Decals & Safety Guards Inside Box Lid Item Decal/Guard Cross Reference Pt No Qty. ‘No Ride’ (75x99) Refer Page 9 43906 ‘Pinch Point/Moving Parts’ (75x99) Refer Page 9 43907 ‘Slippery When Wet’ (100x45) Refer Page 9 43902 ‘Keep Clear’...
  • Page 14 Transport Raise the drill into the transport position and hold at the full extent of the rams for a few seconds to allow cylinders to rephase/equalise. Important - To avoid machine damage due to drill lowering during transport, always close the hydraulic valve on the drawbar.

  • Page 15: Operation

    Operation General Operation Guidelines Use a sufficiently powerful tractor which is heavy enough to tow the drill safely. Operate the drill at a speed of 6-12 km/hr (4-8 mph). In stoney and uneven ground conditions a lower speed is more appropriate Check that the drill is level during calibration and while seeding.

  • Page 16: Transport Position

    Transport Position When in the transport position the hydraulic cylinders are fully extended. In this position the cylinders fully equalise by allowing oil to bypass the master cyclinder piston. It is recommended to raise the drill into the transport position when turning at headlands or regularly to counteract the effects of oil leakage past the piston and ensure cylinder rods are equally extended and minimise variations in...

  • Page 17: Level Drill

    Press Wheel Scrapers A minimum clearance of 2mm is recommended between the scraper and the press wheel. Check the scraper clearance on full circumference regularly as press wheels can be eccentric. Best scraper performance may be dependent on the ground conditions. Level Drill Use the drawbar turnbuckle to tilt the drill so it is sitting level.

  • Page 18: Sowing Charts

    ‘Enviro’ Seed Drill Sowing Chart 15, 19, 23 Run (Row Spacing 150mm) Seed Rate (kg/ha) Test Seed Type/ Thousand Seed Hints Gearbox Setting Position Wgt., TSW*(gm) Position Type Wheat (41.2) 80.11 101.0 119.5 141.2 163.3 183.8 Oats Full (37.2) 77.63 96.45 114.8 134.7 154.5 172.2 Barley Full (45.7)

  • Page 19: Basic Calibration Procedure Adjustments

    Basic Calibration Procedure Gearbox Setting Lever To set the seed rate at the gearbox, slacken the star knob by turning counter-clockwise and push from below into the position indicated in the Sowing Chart. Retighten the star knob firmly. Refer Fig 11. Caution The settings shown in the Sowing Charts (kg/ha) can only serve as reference values.

  • Page 20: Seed Calibration Procedure

    Seed Calibration The calibration test should be done to confirm the required seed rate and is done with the drill stationary and level. Seed Calibration Procedures Remove the calibration tray from the brackets on the seedbox. Place the tray (or trays) on the support members below the seeders.

  • Page 21: Hand Crank Turns For Seed Rate Calibration . 14

    Number of Hand Crank Turns for Seed Rate Calibration Machine Sowing Size Spacing Width (m) 15 Run Speed Setting Gearbox Clutch 2.25 Hign Sprocket Sprocket Speed 17 Run 2.21 200.5 High Speed 15 Run 2.25 30.5 122.5 15 Tooth 19 Tooth (Standard) Speed 17 Run...

  • Page 22: Recalculating The Constant

    Recalculating the Constant High Speed 1.667 It is especially important in arable situations to Constant Rolling Circumference check the rolling circumference of the tyre when of Tyre in the cultivated area to be sown, and if necessary, recalculate the constant and hence the number of crank Low Speed 1.038 turns.
  • Page 23 Calibration Deviations Deviations Between the Calibration Test and the Actual Seed Rate The most frequent cause for changes between the calibration test and the seed rate lies in the flowing properties of seed during sowing. These changes in properties generally result from reactions of the dressing agents to temperature, humidity or abrasion.

  • Page 24: Hints For Sowing With Variable Speed Gearbox

    Hints for Sowing with Variable Speed Gearbox High Speed This gearbox allows for stepless changes in the speed of the metering shaft and thus the seed rates. Due to the variations in seed type and application rates there are 2 speed ranges available.

  • Page 25: Small Seed

    Small Seed Calibration with Disconnected Agitator Shaft The fine seed metering wheel used in Clough Drills is especially well suited for sowing small seeds such as rape. Due to the intensive action caused by the agitator the seeds can adhere to each other, or be damaged, causing irregular sowing/germination.
  • Page 26 ‘Enviro’ Seed Drill Calibration Notes...
  • Page 27 Farmscan Jackal v3 Settings Setup Refer to the manual supplied with your Farmscan Jackal kit for information and operation. Farmscan Jackal v3 Factory Setup for Enviro 740 Refer to pages 6,9,11 of the Farmscan Jackal v3 manual. Input 2 -Two wire ‘reed’ sensor for ‘Area/Speed Wheel’...

  • Page 28: Maintenance & Care

    Maintenance & Care General Safety and Accident Prevention Advice Make sure that if the tractor remains attached to the drill that the ignition key is removed. During maintenance the drill should be supported in such a manner that if hydraulic failure was to occur the machine would still be adequately supported.

  • Page 29: Lubrication Chart

    Maintenance Your new Duncan ‘Enviro’ Drill will give long and efficient service if given normal care and maintained properly. fig 32 Precautions with Grease Greases should not be mixed as the structure may be weakened by the mixing of different types of thickener which may cause softening and loss of grease from bearings by running out.
  • Page 30 Maintenance Schedule (Refer also to Summary Chart P27) Bolted Connections All bolted connections on the machine should be checked after the first 30 hours of operation and retightened if necessary thereafter at regular intervals. (1000 hectares or annually whichever occurs first). Gearbox The oil level in the gearbox can be seen in the oil gauge window.
  • Page 31 Coulter Bearings Front coulter bearings are sealed and do not require lubrication. Check discs for any lateral movement (wobble) on a regular basis. Replace bearings if there is any noticeable wobble. Double Disc Scrapers The double disc coulter is equipped with two scrapers to remove sticking soil.

  • Page 32: Storage

    15 Length of Seed/Fertiliser Tubes These tubes can stretch over a period of time and require checking at approximately 6 monthly intervals. Check tubes at the operating depth. Shorten if necessary to avoid bends which will restrict the flow of seed/fertiliser.

  • Page 33: Dealer & Service Information

    ‘Enviro’ Seed Drill Maintenance Notes Pt. No. 67304 Issue 1217...
  • Page 34 ‘Enviro’ Seed Drill Maintenance Notes...

  • Page 35: Parts Lists

    Parts List ‘Enviro’ Seed Drill Model 740 From Serial Number Head Office: Australian Branch: P.O. Box 2018 4B Silverton Close Hilton Highway, Washdyke Laverton North 3026 Timaru, New Zealand Melbourne, Australia. Telephone (03) 688 2029 Telephone (02) 9314-9666 Facsimile (02) 9314-6810 Facsimile (03) 688 2821 Pt.
  • Page 36 ‘Enviro’ Seed Drill Complete Assembly 18 44 45 46 29 35...
  • Page 37 ‘Enviro’ Seed Drill Complete Assembly ITEM PART No. DESCRIPTION Refer Page 36/37 Mainframe & Drawbar Refer Page 38/39 Wheel Arms Refer Page 40/41 Hydraulics Refer Page 42/43 Wiring & Lighting Kit Refer Page 44/45 Coulter Assembly Complete 45019 M12 x 30 Class 8.8 Zinc Plated Bolt Refer Page 54 Clutch Shaft Assembly 45140...
  • Page 38 ‘Enviro’ Seed Drill Mainframe & Drawbar 4 14 26 27 31 29 LH Cylinder Detail Part numbers for different width machines Item 15 Run 17 Run 19 Run 21 Run 23 Run 26 Run 22240 22240 22242 22242 22244 22244 22256 22256 22258...
  • Page 39 ‘Enviro’ Seed Drill Mainframe & Drawbar ITEM PART No. DESCRIPTION 22194 LH Endplate Assembly 22195 RH Endplate Assembly 22208 Coulter Adjustment Rod Assembly 22293 Ram Anchor Pin 22262 Clevis Pin (Wheel Arm, Tabbed) 22752 LH Wheel Arm Welded Assembly (refer page 36/37) 22753 RH Wheel Arm Welded Assembly (refer page 36/37) 43499...
  • Page 40 ‘Enviro’ Seed Drill Wheel Arms LH Wheel Arm & Axle 46 38 RH Wheel Arm & Axle Chain Tensioner Detail Pivot Pin Detail...
  • Page 41 ‘Enviro’ Seed Drill Wheel Arms ITEM PART No. DESCRIPTION 22753 RH Wheel Arm Welded Assembly 22752 LH Wheel Arm Welded Assembly 22271P# Cover Plate 22282P End Cap 22292 Wheel Arm Pivot Pin 22032 6 Square x 22 Long Key 22295 25T x 1/2”...
  • Page 42 ‘Enviro’ Seed Drill Hydraulics 17 18 Seal kit for item 1 = part No 43414 Seal kit for item 2 = part No 43413...
  • Page 43 ‘Enviro’ Seed Drill Hydraulics ITEM PART No. DESCRIPTION 43935 4” x 12” Master Rephasing Ram 43936 3.75” x 12” Slave Rephasing Ram 43393 Stainless Steel Ball Valve 3/8” BSP 22449 Hydraulic Valve Support Assembly 22447 Hydraulic Hose 1.70m Refer Below Hydraulic hose Refer Below Hydraulic hose...
  • Page 44 ‘Enviro’ Seed Drill Wiring & Lighting Kit...
  • Page 45 ‘Enviro’ Seed Drill Wiring & Lighting Kit ITEM PART No. DESCRIPTION 22346 LH Lamp Bracket Assembly 22347 RH Lamp Bracket Assembly 43435 Combination Rear Lamp 43436 Marker Lamp 43437 Trailer Round Connector Plug 43438 5 Core Trailer Flex (15 to 21 Run x 12m, 23/25 Run x 13m) 43443 White 1mm Appliance Wire x 1m 43444...
  • Page 46 ‘Enviro’ Seed Drill Coulter Assembly ITEM PART No. DESCRIPTION QUANTITIES Refer P 46/47 Front Disc & Springs Assembly Refer P 48/49 Double Disc Assembly Refer P 50/51 Press Wheel Assembly Refer P 52 Optional Press Wheels As Required 22057 LH Mounting Bracket 22058 RH Mounting Bracket 22060...
  • Page 47 ‘Enviro’ Seed Drill Front Disc Assembly ITEM PART No. DESCRIPTION 22000 406 x 4 Plain Disc 6 Hole 22001 406 x 4 Fluted Disc 6 Hole 11351 Bearing 6305-2RS1 17537 6 Hole Single Bearing Housing 22078 Seal Collar 22102 Bearing Spacer 22080 25mm Bore Dust Cap 43352...
  • Page 48 ‘Enviro’ Seed Drill Front Coulter Assembly...
  • Page 49 ‘Enviro’ Seed Drill Front Coulter Assembly ITEM PART No. DESCRIPTION Refer Page 45 Front Disc Assembly 22116 Front Coulter Spring Sleeve 61005 RH Front Coulter Arm Assembly 45143 M24 Nyloc Nut 45169 M20 Spring Washer Z/P 45120 M20 Half Nut Grade 8.8 Z/P 61013 Thrust Washer 30 Bore 61006...
  • Page 50 ‘Enviro’ Seed Drill Double Disc Assembly...
  • Page 51 ‘Enviro’ Seed Drill Double Disc Assembly ITEM PART No. DESCRIPTION 22203 Double Disc Casting Welded Assy (Mk2) 22136 Plastic Spacer 43352 Vee Ring Seal V-40A 45154 M16 Light Flat Washer Z/P Refer Page 50 Disc Sub Assembly 22079 Bearing Sleeve 22078 Seal Collar 45040...
  • Page 53 ‘Enviro’ Seed Drill Disc Assembly ITEM PART No. DESCRIPTION 45001s M10 x 20 Set Screw Grade 8.8 Z/P 22002 380 x 4mm Plain Disc x 6 Hole 22081 Seal Face Ring 11351 Bearing 6305 17537 Bearing Housing 6 hole 45138 M10 Nyloc Nut 22079 Bearing Sleeve...
  • Page 54 ‘Enviro’ Seed Drill Press Wheel Assembly...
  • Page 55 ‘Enviro’ Seed Drill Press Wheel Assembly ITEM PART No. DESCRIPTION 23536 Tension Spring 7.5kN/m 24451 Upper Jaw Assy RH 45321 D Shackle 5/16” 45139 M12 Nyloc Nut 23510 Jaw Lock Pin Assembly 23506 Spring Slide 23525 Tension Spring 23504 Upper Jaw Spacer 45158 M10 Heavy Duty Flat Washer Z/P 45166...
  • Page 57 ‘Enviro’ Seed Drill Drive Chains 14 19 15 16 13 18 ITEM PART No. DESCRIPTION 22465 1/2” x 131 Link BS Chain (Wheel Hub to Arm Pivot Pin) 22466 1/2” x 55 Link BS Chain (Arm Pivot Pin to Clutch) 22467 1/2”...
  • Page 58 ‘Enviro’ Seed Drill Clutch Shaft Assembly 31 Jackal v3 kit 10 Diameter Pin Welded in Frame...
  • Page 59 ‘Enviro’ Seed Drill Clutch Shaft Assembly ITEM PART No. DESCRIPTION 43386 “Y” Bearing YET205 (25mm) 30359 Pressed Steel 3 Bolt Bearing Housing PF52 (2 Flanges) 22158 Clutch Actuating Arm Assembly 22144 Clutch Shaft (25mm) Quick Change 22159 Clutch Arm Return Spring 22165 Clutch Chain Assembly 22480...
  • Page 60 ‘Enviro’ Seed Drill Box Drive Chain Details Clutch to Gearbox Drive Detail 8 22 13 14 16 29 22 10 11 9 22 Gearbox to Boxshaft Drive Detail Idler Detail...
  • Page 61 ‘Enviro’ Seed Drill Box Drive Chain Details ITEM PART No. DESCRIPTION 22471 1/2” x 81 Link BS Chain (Clutch to Gearbox Input) 22468 1/2” x 119 Link BS Chain (Gearbox to Front Seed Box) 22469 1/2” x 95 Link BS Chain (Gearbox to Rear Box Idler) 22470 1/2”...
  • Page 62 ‘Enviro’ Seed Drill Box Drive Shafts Rear Box Shaft Assembly Rear Box Idler Assembly Front Box Shaft Assembly...
  • Page 63 ‘Enviro’ Seed Drill Box Drive Shafts ITEM PART No. DESCRIPTION 22521 25T x 1/2” Pitch Transfer Double Sprocket 43364 Glacier DU Bush (MB-2030-DU) 22537 25 Tooth 1/2” Pitch 20mm Bore Sprocket (Box Shafts) 22538 6 x 6 x 25 Long Key (Drive Sprockets) 43385 “Y”...
  • Page 64 ‘Enviro’ Seed Drill Clutch Assembly ITEM PART No. DESCRIPTION 22151 Clutch Output Hub Assembly 43353 Vee Ring Seal V-65A (Forsheda) 22149 Clutch Sleeve Assembly 22152 Clutch Spring (R.H.) 43357 Glycodur Bush (35mm Bore) 22145 Clutch Input Hub 43358 A35 Seeger Tru-Arc Circlip 22153 19T 1/2”...
  • Page 65 ‘Enviro’ Seed Drill Gearbox Final Assembly ITEM PART No. DESCRIPTION 22053 Gearbox Sub-Assembly 22036 Speed Adjusting Quadrant 22038 Speed Adjustment Lever 22041 Speed Indicator Label Anticlockwise 22042 Speed Indicator Label Clockwise 43366 Tri-Knob with M8 Tapped Centre 45157 M8 Heavy Duty Zinc Plated Flat Washer 47031 M8 x 40 Cup Head Class 4.6 Zinc Plated Coach Bolt 45137...
  • Page 66 ‘Enviro’ Seed Drill Seedbox Assembly For Agitator Drive Detail Refer P 32 Lid Hinge Detail 19 27 Location Tab Detail 38 36 Latch Rod Detail 17 21 25 17 21 25...
  • Page 67 ‘Enviro’ Seed Drill Seedbox Assembly ITEM PART No. DESCRIPTION Refer Below Standard Combi Box & Lid (Bare Box Painted Only) Refer Below Front Box Complete (Includes Seeders & Shafts) Refer Below Rear Box Complete (Includes Seeders & Shafts) Refer P 34/35 Seeder Assembly Refer Below Box Shaft (20mm)
  • Page 68 ‘Enviro’ Seed Drill Agitator Drives ITEM PART No. DESCRIPTION 22414 Agitator Drive Front Housing 22415 Agitator Drive Rear Housing 22416 Agitator Drive Spacer 22418 3/8” Pitch x 20mm Bore 21T Sprocket 22422 3/8” Pitch x 20mm Bore 15T Sprocket 22417 3/8”...
  • Page 69 ‘Enviro’ Seed Drill Agitator Shaft Assembly ITEM PART No. DESCRIPTION Refer Below Agitator Shaft Assembly (Front Box) Refer Below Agitator Shaft Assembly (Rear Box) 22420 16mm Agitator Joining Collar 22423 Agitator Shaft Support RH (Short) 22424 Agitator Shaft Support LH (Long) 22428 Agitator Shaft Support Cap 43415...
  • Page 70 ‘Enviro’ Seed Drill Seeder Assembly...
  • Page 71 ‘Enviro’ Seed Drill Seeder Assembly ITEM PART No. DESCRIPTION 43375 Metering Housing 43376 Shutter Slide 43377 Seed Metering Wheel Assembly 43374 Fine Seed Wheel 43378 Bottom Flap & Bolt Assembly 22550 Seeder Extension Funnel 22551 Seed Diverter 22548 Seeder Extension Spring Clip 43379 Seed Shaft Guide Bearing 43380...
  • Page 72 ‘Enviro’ Seed Drill Operator Notes...

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