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Duncan Uni-Seeder Owner's Manual

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Owners Manual
Uni-Seeder
Head Office:
PO Box 2018
Hilton Highway, Washdyke
Timaru, New Zealand
Telephone (03) 688 2029
Facsimile (03) 688 2821
Australian Branch:
4B Silverton Close
Laverton North 3026
Melbourne, Australia
Telephone (03) 9314-9666
Facsimile (03) 9314-6810
Pt. No. 67355
Issue 0906

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  • Page 1 Owners Manual Uni-Seeder Head Office: Australian Branch: PO 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. No. 67355...

  • Page 3: Table Of Contents

    Practise Safe Maintenance ....Safety - Machine Specific Hazard Points on the Uni-Seeder ..Safety Decals & Safety Guards ... . 11 Uni-Seeder Assembly Instructions .

  • Page 4: Introduction

    Introduction Acquisition & Warranty On delivery of your new Duncan Uni-Seeder, please check that the machine is not damaged. In cases of shipping damage, please ask your dealer to arrange for the appropriate claim to be lodged immediately. Assemble any parts supplied loose and inspect your machine with the aid of this manual to familiarise yourself with its features.

  • Page 5: Description Of Machine

    Description of Machine The Duncan Uni-Seeder is a seeding system designed to be fitted over a variety of implements. A ground driven peg wheel supplies drive via chain transmission to the Duncan variable speed gearbox, which in turn drives the seeder units.

  • 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

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 These guidelines were current at information is indicated the time of publication, but may be superseded by later by these symbols in the regulations.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

    They also refer only to the Uni-Seeder itself and not to the implement it is mounted on. For decal locations on machine, refer Page 11.
  • Page 12 SAFETY - Machine Specific (Continued) Hazard Points on the Uni-Seeder (Continued) Pedestal Chain Guards To prevent hands, etc. getting caught in drive chains, guards are provided to cover sprockets, chain and chain tensioners mounted about the drive pedestal and wheel legs (RHS).

  • Page 13: Safety Decals & Safety Guards

    SAFETY - Machine Specific (Continued) Safety Decals & Safety Guards Inside Box Lid Item Decal/Guard Cross Reference Pt No ‘Pinch Point/Moving Parts’ Refer Page 9 43901 Arrows 43905 ‘Keep Clear’ Refer Page 9 43904 Pedestal Drive Guard (Dual Box Machine) Refer Pages 10 &...

  • Page 14: Uni-Seeder Assembly Instructions

    Uni-Seeder Assembly Instructions Remove Items from Inside Seedbox Leg assembly Seeder funnels Weighing kit with hectaremeter Set aside Ground wheel Hose roll Remove Seeder Frame from Pedestals Note: This is bolted on upside-down for transport If a Mounting Kit has been Supplied - Mount the Seedbox, Pedestals &...
  • Page 15 Uni-Seeder Assembly Instructions (Continued) Measure Length Required for Seeder Hoses Allow 30mm onto seeder funnels. Cut One Seeder Tube, Push over Seeder Funnel & Insert Through Guide Tube. Check length is satisfactory. 11. Cut and fit remaining seeder tubes. Use ties to hold tubes to rods 12.

  • Page 16: Sowing Chart

    Uni-Seeder Sowing Chart High & Low Ratio - Row Spacing 150 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...

  • Page 17: Basic Calibration Procedure

    Basic Calibration Procedure Gearbox Setting Lever To set the seed rate at the gearbox, slacken the star knob (1) by turning counter-clockwise and push from below into the position indicated in the Sowing Chart. Retighten the star knob firmly (Fig 1). Important The settings shown in the Sowing Charts (kg/ha) can only serve as reference values.

  • Page 18: Seed Calibration

    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 storage brackets on the seedbox. Place the calibration tray (1) on the support members below the seeders (Fig 5).

  • Page 19: Hand Crank Turns For Seed Rate Calibration

    Hand Crank Turns for Seed Rate Calibration The tables represented below are for arable conditions (worked ground) and are calculated to indicate an average situation. If there is any doubt as to the accuracy of these figures for the conditions, it is advisable to run at least 1 of the 2 checks on the calibration figures listed.

  • Page 20: Recalculating The Constant

    Recalculating the Constant It is especially important in these situations to check the rolling circumference of the groundwheel when in the cultivated area to be sown, and if necessary, recalculate the constant and hence the number of crank turns. If there is a significant difference between the figure used for calculations in this manual, the constant should be recalculated and hence the crank turns for those particular conditions.
  • Page 21 0,9048 High Ratio Constant = New Effective Rolling Circumference 0,5639 Low Ratio Constant = New Effective Rolling Circumference As H1 is also affected by the effective rolling circumference this will also need to be recalculated. H1 = New Effective Rolling Circumference 0,7143 Example: If effective rolling circumference changes to 2.05m...

  • Page 22: Use Of Seed Rate Calculator

    Use of Seed Rate Calculator Determining the gear box scale setting using the calculator. Usually the first calibration test yields a different seed rate. However with the value determined from the first test it is possible to determine the correct gearbox setting with the aid of the enclosed disc calculator, Fig 8.

  • Page 23: Hints For Sowing With Variable Speed Gearbox

    Page 20, Fig 8. Sowing Fine Seeds For sowing fine seeds the Uni-Seeder is equipped as standard with a combined normal and fine seed “Elite” metering wheel (1). During grain sowing and other larger varieties of seed both the normal and fine seed metering wheels are coupled and both rotate.

  • Page 24: Sowing Small Seeds

    Sowing Small Seeds Calibration with Disconnected Agitator Shaft The fine seed metering wheel used in Duncan 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 25: Hectaremeter Settings

    We suggest you record these on a daily basis in a notebook or diary. Example 1 : Computronics 1100 Area Meter Setup for 3m 21 Run Uni-Seeder (Referring to Sowing Width Table Above) 21 Run Machine x 132.5mm Spacings = 2.78m Sowing Width Drive Ratio From Wheel to Sensor = 0.7143.
  • Page 26 Example 2 : Computronics 1100 Area Meter Setup for 2.5m 19 Run Uni-Seeder (Referring to Sowing Width Table (Page 23, Table 3) 19 Run Machine x 124mm Spacings = 2.35m Sowing Width Drive Ratio From Wheel to Sensor = 0.7143 Rolling Circumference of Groundwheel = 2.2m...

  • Page 27: Calibration Notes

    Uni-Seeder Calibration Notes Pt. No. 67355 Issue 0906...

  • Page 28: Maintenance & Care

    Maintenance & Care General Safety and Accident Prevention 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 Instructions

    Maintenance & Care Lubrication Instructions Your new Duncan Uni-Seeder will give long and efficient service if given normal care and maintained properly. Precautions with Grease Greases should not be mixed as the structure may be weakened by the mixing of different types of...

  • Page 30: Maintenance Schedule

    Maintenance Schedule Bolted Connections All bolted connections of the machine should be checked after the first 30 hours of operation and retightened if necessary thereafter at regular intervals. It is suggested that this is done every 500 hectares or annually, whichever occurs first.

  • Page 31: Storage

    Bottom Flaps (Fig 19) The required seed rate is controlled by both the metering wheels and the bottom flaps. The seed flows from the seed box into the metering wheel housings. Inside the metering wheel housing (1) the seed is caught between the metering wheel (2) and the bottom flap (3).

  • Page 32: Maintenance Notes

    Uni-Seeder Maintenance Notes...

  • Page 33: Parts Lists

    Parts List Uni-Seeder 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 (03) 688 2821 Facsimile (02) 9314-6810 Pt. No. 67355...
  • Page 34 Uni-Seeder Complete Assembly 4, 5 13, 17 9, 10...
  • Page 35 Uni-Seeder Complete Assembly Item Part No. Description Qty. Refer page 30 Pedestal Leg Drive Assembly Refer page 32 Wheel Leg Drive Assembly Refer page 34 Seeder Tube Mounting Frame Refer page 36 Drive Chains Refer page 38 Hectaremeter Kit Refer page 39...
  • Page 36 Uni-Seeder Pedestal Leg Drive Assembly 19, 21, 24 19, 21, 24 19, 21, 24 20, 21, 24 20, 21, 24 20, 21, 24...
  • Page 37 Uni-Seeder Pedestal Leg Drive Assembly Item Part No. Description Qty. 26180 Pedestal Leg Assembly 26188 Leg Joiner Assembly 22281P Cover Plate Profile 26192 Folded Endcap 26160 Chain Tensioner Arm 26162 Chain Tensioner Roller 26200 Transfer Shaft 26201 Dummy Shaft 26198 21T Sprocket 1/2”P x 25mm Bore...
  • Page 38 Uni-Seeder Wheel Leg Drive Assembly 20, 21 20, 21, 24 19, 21, 24 22, 23, 20, 21 20, 21, 24 20, 21, 24 19, 21, 24 19, 21, 24 32, 33...
  • Page 39 Uni-Seeder Wheel Leg Drive Assembly Item Part No. Description Qty. 26173 Wheel Leg Assembly 26189 Leg Joiner Assembly 22281P Cover Plate Profile 26192 Folded Endcap 26160 Chain Tensioner Arm 26162 Chain Tensioner Roller 26191 Layshaft (Kvernland) 26147 Key (Drive Wheel) (6x6x40) 22043 15T Sprocket 1/2”P x 25mm Bore...
  • Page 40 Uni-Seeder Seed Tube Mounting Frame 4, 5 4, 5 Stop Handle Detail...
  • Page 41 Uni-Seeder Seed Tube Mounting Frame Item Part No. Description Qty. Refer Table Seed Tube Mounting Frame 26132 Stop Handle Assembly 43699 38mm Nylaflow Air Seeder Hose 1 coil 45020 Bolt, M12 x 35, Class 8.8 45139 Nut, Nylock, M12 45432S Setscrew, M12 x 25, Class 4.6...
  • Page 42 Uni-Seeder Drive Chains 9, 12 2, 10, 11 1, 10, 11 9, 13 6, 10, 11 3, 10, 11 14, 15, 16, 7, 9 4, 5, 10, 11 8, 9 6, 10, 11...
  • Page 43 Uni-Seeder Drive Chains Item Part No. Description Qty. 22537 25T Sprocket 1/2”P x 20mm Bore 22044 15T Sprocket 1/2”P x 20mm Bore 25749 Gearbox Input Sprocket Assembly 25982 15 T/19T 1/2” P Change Sprocket 26198 21T Sprocket 1/2”P x 25mm Bore 22043 15T Sprocket 1/2”P x 25mm Bore...
  • Page 44 Uni-Seeder Hectaremeter Kit Item Part No. Description Qty. 43409 Hectaremeter Kit, (Includes items 2 to 6) 43400 Hectaremeter 43408 Manual, Hectaremeter 43404 Magnet and Clamp 43403 Sensor, with Locknuts 43453 Hectaremeter Cable 43461 Cable, Recharging...
  • Page 45 Uni-Seeder Seed Box Drive Shaft Item Part No. Description Qty. 22537 Sprocket, 25T x 1/2” Pitch, 20mm Bore 22294 Key, Sprocket 6 x6 x 25 24210 Shaft, Box Drive 43385 “Y” Bearing, YET 204, 20mm 43387 Housing, Bearing, Press Steel, PFT47 (2 Flanges = 1 Housing)
  • Page 46 Uni-Seeder Gearbox Final Assembly 12, 13, 14, 15...
  • Page 47 Uni-Seeder Gearbox Final Assembly Item Part No. Description Qty. 25763 Gearbox Sub-Assembly 22036 Quadrant, Speed Adjusting 25755 Lever, Speed Adjusting 22042 Label, Speed Indicator 43366 Tri-Knob, M8, Tapped Centre 45157 Washer, Flat, M8, Heavy Duty, Zinc Plate 47031 Bolt, Coach, M8 x 40 Cup Head, Class 4.6, Zinc Plated...
  • Page 48 Uni-Seeder Seedbox Assembly 1, 2 or 36 7, 19, 25 23, 30, 31 Lid Hinge Detail Location Tab Detail 12, 27 15, 19, 26 Latch Rod Detail Gearbox not illustrated 23, 30, 31 23, 30, 31 for clarity...
  • Page 49 Uni-Seeder Seedbox Assembly Item Part No. Description Qty. Refer Table Below Combi Box Complete Assembly Refer Table Below Combi Box with Lid Refer Table Below Box Lid Only Refer Page 46 Seeder Mechanism 19, 21 or 23 Refer Table Below...
  • Page 50 Uni-Seeder Agitator Drive Item Part No. Description Qty. 22414 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” Pitch x 33 Link BS Chain 43396 3/8”...
  • Page 51 Uni-Seeder Agitator Shaft Assembly Item Part No. Description Qty. Refer Below Agitator Shaft Assembly 22420 16mm Agitator Joining Collar 22423 Agitator Shaft Support RH (Short) 22424 Agitator Shaft Support LH (Long) 22428 Agitator Shaft Support Cap 43442 5/8” Lurethane Wiper Seal...
  • Page 52 Uni-Seeder Seeder Mechanism...
  • Page 53 Uni-Seeder Seeder Mechanism Item Part No. Description Qty. 43375 Metering Housing 19, 21 or 23 43376 Shutter Slide 19, 21 or 23 43377 Seed Metering Wheel Assembly (Includes item 4) 19, 21 or 23 43374 Fine Seed Wheel (For Spares Ordering Only) 43378 Bottom Flap &...

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