1. Manuals
  2. Brands
  3. Gason Manuals
  4. Farm Equipment
  5. 1200 Series
  6. Operator's manual

Gason 1200 Series Operator's Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
A member of
1200, 1700 & 1800 SERIES AIR SEEDER
OPERATOR'S MANUAL
Fitted with Series 1 Meterbox
Covering the 1220/30/40/50, 1730/50 & 1830/50 Models
GPN 207838
REVISION B
01/23
COPYRIGHT
Neither this manual or part thereof may be reproduced or published without the prior permission of A.F. Gason Pty. Ltd.

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the 1200 Series and is the answer not in the manual?

Questions and answers

Related Manuals for Gason 1200 Series

Summary of Contents for Gason 1200 Series

  • Page 1 OPERATOR’S MANUAL Fitted with Series 1 Meterbox Covering the 1220/30/40/50, 1730/50 & 1830/50 Models GPN 207838 REVISION B 01/23 COPYRIGHT Neither this manual or part thereof may be reproduced or published without the prior permission of A.F. Gason Pty. Ltd.
  • Page 2 Page Intentionally Blank...

  • Page 3: Table Of Contents

    CONTENTS Warranty Form Introduction ............General Information ........... Safety ..............Specifications ............. Conversions ............Bolt Specifications ..........Ordering Parts ........... Spare Parts Record ........... Assembly Instructions ........Seeder & Implement Hitch Fitment .... Distribution System ........Pre-Delivery Checklist ........ Transporting ............Operating the Air Seeder ........
  • Page 4 CONTENTS 6 Outlet Meterbox ........Reducing the Outlets ......Low/High Rates........Deep Banding ........Triple Shooting ........Partial Diversion ........Removing Meterewheels ......Fitting Low Rate Sleeves......Fitting Large Seeds Manifold Plate .... Blocking Air Flow ........Metering Oats ..........Hydraulic System ..........

  • Page 5: Introduction

    1850RT Series Air Seeder (optional rear hitch fitted). While every effort has been made to ensure the accuracy of the information in this manual, A. F. Gason Pty Ltd reserves the right to delete, change or add information without notice.
  • Page 6 Introduction Page 2 Fig. 2 1230 IM3 Series Air Seeder Mounted on CT2 Implement Fig. 3 1750RT Series with Optional Auger and Pasture Planter 11/09...

  • Page 7: General Information

    GENERAL INFORMATION Page 3 Introduction As the ground wheel rotates, so too does the metering system. The metering system The Air Seeder uses the flow of air to can be disengaged or engaged at the tractor convey seed and fertilizer to each tine. This cab.
  • Page 8 Some modifications may be The 1200, 1700 and 1830/50 models are required when fitting non-Gason fitted with a sturdy walkway and handrail to implements but in most cases fitment is a the left-hand side of the machine. A folding straight forward operation.
  • Page 9 General Information Page 5 The bins for all trailed models have The blower’s hydraulic system uses been produced in two halves and are painted using a high bake enamel to reduce quality components and will require minimal corrosion both inside and out before joining. maintenance.

  • Page 10: Safety

    Seeder, contact your local DO NOT adjust hydraulic fittings while authorized Gason Dealer. under pressure. DO NOT remove any safety guards while To ensure trouble free and safe the seeder is operating.
  • Page 11 Safety Page 7 Transporting For further information and helpful tips Never transport the seeder with the on transporting refer to the Transporting clutch switch engaged. section of this manual. Avoid transporting the seeder long distances when loaded. Do not exceed 15km/h when towing the seeder when loaded.
  • Page 12 SPECIFICATIONS – 1220/30/40/50 Page 8 1250 IM2 Dimensions 1220 IM2 1230 IM2 1230 IM3 1240 IM3 2160mm Overall width 1350 1350 1350 1350mm 2315mm Overall height* 1520 1820 1820 1820mm 2010mm Top of bin height 1625 1925 1925 1925mm 4170mm Overall length 2860 2860...
  • Page 13 SPECIFICATIONS – 1730/1750 Page 9 Dimensions 1730RT 1750RT Tyre Recommended Pressure Overall width 2435 2540mm Overall height* 2775 2840mm 14.9-26 (8pr) Gripster Top of bin height 2150 2550mm 18.4-26 (10pr) Gripster Overall length^ 8050 8050mm Seeder length 6630 6630mm Hydraulics Rear wheel centres 2000 2010mm...
  • Page 14 SPECIFICATIONS – 1830/1850 Page 10 Dimensions 1830RT 1850RT 1850FT Wheels Overall width 2435 2540 2980mm Size: 1830RT 1850RT 1850FT 2760 2760 Overall width CT model Front tyre 11.5/80-15.3 340/80 R18 - - - (single) Overall height* 2775 2840 2840mm Front tyre 11.5/80-15.3 11.5/80-15.3...

  • Page 15: Specifications

    SPECIFICATIONS Page 11 Fig. S1 1750RT Series Air Seeder Fig. S2 1850RT Series Air Seeder CT (control traffic) Option. 04/04...
  • Page 16 CONVERSION FORMULAE Page 12 Useful Conversions – Formulae LENGTH: 1 km = 0.621371 mile 1 mile = 1.609344 km = 3.280840 ft. 1 ft = 0.304800 m 1 mm = 0.039390 inch 1 inch = 25.400 mm SPEED: 1km/h = 0.625 mph AREA: 1 ha = 10,000 m...
  • Page 17 CONVERSION FORMULAE Page 13 1 hp = FLOW (US GPM) x PRESSURE (psi) 1714 MASS FLOW RATE: kg/min = Application Rate (kg/ha) x Area Rate (ha/hour) lb/min = Application Rate (lb/acre) x Acre Rate (acre/hour) 04/04...

  • Page 18: Bolt Specifications

    BOLT SPECIFICATIONS Page 14 STANDARD BOLT HEAD MARKINGS AND TORQUE SPECIFICATIONS: CAUTION: Loose bolts can cause elongation of holes and part failures resulting in dangerous operating conditions and equipment breakdown. Check all bolts and nuts periodically during equipment operation and keep them tightened to the specified torque. If hardware replacement becomes necessary, replace with equivalent metric grade number.

  • Page 19: Ordering Parts

    Subject to any applicable Federal, State or Territory laws or ordinances, which may apply from time to time, A. F. Gason Pty Ltd reserves the right to make changes in design and specifications without notice or obligation and to change or discontinue models at any time without incurring any liability to any Purchaser thereof.

  • Page 20: Spare Parts Record

    SPARE PARTS RECORD Page 16 PART No. DESCRIPTION QTY. COST DATE 06/07...

  • Page 21: Assembly Instructions

    (refer Fig. A1). The 1200 series frame mounted 1328 seeder has lifting points at the external corners of the bins. The machine should never be lifted from these points if the machine bins contain product.
  • Page 22 Gason’s have a variety of hitches to suit their standard range of implements but a hitch may require some modification if being fitted to a non Gason implement. Any field modification to a hitch must be performed by a competent engineer.
  • Page 24 The 2 extension beams that protrude engineer if being fitted to a non Gason rearward can be spaced to clear tines and implement. Special extension beams are other implement structure but should be available to suit the CT2 Gason implement.
  • Page 25 Assembly Instructions Page 19 Fig. A8 CTC Extension beams mounted to a CT2 implement. Note the wide set on the extension beams. Metering System Check all Wheel Nuts If you have informed the dealer of your Wheel nuts work loose planting needs at the time of purchase the transportation and should be checked before seeder may already be ready for use.

  • Page 26: Distribution System

    Assembly Instructions Page 20 the tractor fitted with the appropriate hoses to return the flow direct to the tank for all seeders. Refer to the ‘Hydraulic System’ section in this manual for further details. Distribution System Introduction The distribution system consists of primary, secondary and tertiary stages.
  • Page 27 Assembly Instructions Page 21 Fig. A11 Distribution Layout. 04/04...
  • Page 28 Assembly Instructions Page 22 Step 5. Fit all primary and secondary hoses. Ensure that there are no sharp turns and that the hoses stay as level as possible. A level and smooth fitting of hoses will help prevent blockages from occurring, and extend the life of the hose.

  • Page 29: Pre-Delivery Checklist

    Assembly Instructions Page 23 Final Pre-Delivery Check List 7. Meterbox hatches fitted. After the Air Seeder has been assembled 8. Metering system turns freely. and the distribution system fitted to the 9. Variator adjustment operates. implement a final check should be carried 10.
  • Page 30 Page Intentionally Blank 04/04...

  • Page 31: Transporting

    TRANSPORTING Page 25 Transporting the Air Seeder Once the Air Seeder has been fully assembled possible quickly disconnect it from the implement for transporting. Before towing on the road you should consult with the appropriate state or local authority for any specific regulations and permits that may be required eg.

  • Page 32: Operating The Air Seeder

    OPERATING THE AIR SEEDER Page 26 General Information Filling the Seeder’s Bins Before operating the Air Seeder for the first time, check that all components have In most cases operators will tend to fill been fitted and that the machine is ready for the front bin with seed and the rear bin with use (refer checklist, page 23).

  • Page 33: Monitor Operation

    Head Blockage Kit To stop seeding, simply turn the clutch off or place monitor on hold on VRT Seeders. The Gason Air Seeder is supplied with This will disengage the drive system. one head blockage sensor (GPN 208651) and harness. This can be expanded to 21 Monitor Operation sensors at a later stage if necessary.

  • Page 34: Monitor Operation

    The 2200 Surveillance monitor has been The function key on your Gason Air configured and loaded with the preset alarm Seeder has been specifically set-up to values. The monitor will however require...
  • Page 35 When you first switch the monitor on, STOPPED’. This alarm will repeat until the check the setting. The monitor should display “Gason A/S GT 2/3”. If the display is problem has been rectified. The ‘PRESSURE’ function will enable different it will be necessary to correct this.

  • Page 36: Calibration

    GROUND DRIVE - CALIBRATION Page 30 Introduction IMPORTANT The calibration procedure involves the BEFORE CALIBRATION rotation of the metering system by hand to OPERATION, CHECK THAT simulate the coverage of a certain area. A METERING SHAFTS TURN FREELY. material sample needs to be collected and weighed to calculate the application rate.
  • Page 37 Ground Drive - Calibration Page 31 Step 1. Remove the meterbox hatch from Refer to page 36 when calibrating a 3 the bin being tested (Fig. C2). bin seeder or if an isolating clutch has been fitted to a meter shaft. Step 4.
  • Page 38 Ground Drive - Calibration Page 32 Fig. C7 Calibration Chart Decal. An example is shown on the calibration adjustment will ensure that there is no slack chart (Fig. C7), for a planting width of 13.5 in the cable. metres. In this example, an application rate After adjustment lock handle by of 44kg/ha is desired.
  • Page 39 Ground Drive - Calibration Page 33 NOTE: Some fertilisers run freer than others An application rate of 60 kg/ha of wheat and actual usage may vary from the first is desired on a planting width of 10.0 metres calibration sample taken. It is recommended using outlet meterbox...

  • Page 40: Method C (Wheel Circumference)

    Ground Drive - Calibration Page 34 A 6 outlet meterbox is to be used to plant reduce the metering capacity if required oats at 65kg/ha. The meterbox has all 6 (refer page 101). meterwheels fitted. The implement has a 12.25 metre planting width which will require The monitor alarm may also need to be 31.4 calibration handle turns.
  • Page 41 Ground Drive - Calibration Page 35 drives the tractor the other being the EXAMPLE 2 observer. The marked tyre should be brought around so that the mark is at Sowing width of 8 metres with an 1830 the base of the tyre as before. Air Seeder.
  • Page 42 Ground Drive - Calibration Page 36 Checking the Wheel Factor in the 2200 figure was 4.3metres. Therefore the revised Surveillance Monitor monitor wheel factor would be: To determine the revised wheel factor 6.648 = 0.647m value you will need to perform a calculation using your tested wheel circumference figure.
  • Page 43 Ground Drive - Calibration Page 37 Introduction to Variator Setting Guide By reading across and up the chart we can see that the recommended setting is 3.1. The Variator Setting Guide should be used to approximate the variator setting This figure is a guide only and will need when calibrating.

  • Page 44: Variator Setting Guide

    Ground Drive - Calibration Page 38 VARIATOR SETTING GUIDE (INDICATIVE ONLY) WHEAT MATERIAL MATERIAL BULK DENSITY 850 (kg/cubic metre) STANDARD SPROCKET RATIO 4 Outlet Meterbox / 2 Meterwheels fitted 6 Outlet Meterbox / 3 Meterwheels fitted 8.7 ------- ------- ------- ------- ------- ------- 9.7 ------- ------- ------- ------- APPLICATION 9.4 ------- -------...
  • Page 45 Ground Drive - Calibration Page 39 VARIATOR SETTING GUIDE (INDICATIVE ONLY) SUPER PHOSPHATE MATERIAL MATERIAL BULK DENSITY 1160 (kg/cubic metre) STANDARD SPROCKET RATIO 4 Outlet Meterbox / 2 Meterwheels fitted 6 Outlet Meterbox / 3 Meterwheels fitted ------- ------- ------- ------- ------- ------- ------- ------- ------- ------- ------- ------- ------- ------- ------- ------- APPLICATION...
  • Page 46 Ground Drive - Calibration Page 40 VARIATOR SETTING GUIDE (INDICATIVE ONLY) SUPER PHOSPHATE MATERIAL MATERIAL BULK DENSITY 1160 (kg/cubic metre) HIGH RATE SPROCKET RATIO 4 Outlet Meterbox / 2 Meterwheels fitted 6 Outlet Meterbox / 3 Meterwheels fitted ------- APPLICATION RATE (kg/ha) PER BIN ------- 0.9...
  • Page 47 Ground Drive - Calibration Page 41 VARIATOR SETTING GUIDE (INDICATIVE ONLY) UREA MATERIAL MATERIAL BULK DENSITY 780 (kg/cubic metre) STANDARD SPROCKET RATIO 4 Outlet Meterbox / 2 Meterwheels fitted 6 Outlet Meterbox / 3 Meterwheels fitted ------- ------- ------- ------- ------- ------- ------- ------- ------- ------- ------- ------- ------- ------- ------- ------- ------- ------- ------- ------- ------- APPLICATION...
  • Page 48 Ground Drive - Calibration Page 42 VARIATOR SETTING GUIDE (INDICATIVE ONLY) MATERIAL UREA MATERIAL BULK DENSITY 780 (kg/cubic metre) HIGH RATE SPROCKET RATIO 4 Outlet Meterbox / 2 Meterwheels fitted 6 Outlet Meterbox / 3 meterwheels fitted ------- ------- ------- ------- ------- ------- APPLICATION RATE (kg/ha)
  • Page 49 Ground Drive - Calibration Page 43 VARIATOR SETTING GUIDE (INDICATIVE ONLY) OATS MATERIAL MATERIAL BULK DENSITY 540 (kg/cubic metre) STANDARD SPROCKET RATIO REMOVE METERWHEEL COVER PLATE (Refer page 103 for full details) 4 Outlet Meterbox / 2 Meterwheels fitted 6 Outlet Meterbox / 3 Meterwheels fitted ------- ------- ------- ------- ------- ------- ------- ------- ------- ------- ------- ------- ------- ------- ------- ------- APPLICATION...
  • Page 50 Ground Drive - Calibration Page 44 VARIATOR SETTING GUIDE (INDICATIVE ONLY) BARLEY MATERIAL MATERIAL BULK DENSITY 750 (kg/cubic metre) STANDARD SPROCKET RATIO 4 Outlet Meterbox / 2 Meterwheels fitted 6 Outlet Meterbox / 3 Meterwheels fitted 9.4 ------- ------- ------- ------- ------- ------- ------- ------- 9.4 ------- ------- ------- ------- ------- ------- ------- 9.8 ------- ------- ------- ------- ------- ------- APPLICATION...
  • Page 51 Ground Drive - Calibration Page 45 VARIATOR SETTING GUIDE (INDICATIVE ONLY) PEAS MATERIAL MATERIAL BULK DENSITY 860 (kg/cubic metre) STANDARD SPROCKET RATIO LARGE SEEDS MANIFOLD PLATE (4 outlet meterbox only refer page 102) 4 Outlet Meterbox / 2 Meterwheels fitted 6 Outlet Meterbox / 3 Meterwheels fitted 9.2 ------- ------- ------- ------- ------- ------- ------- ------- 9.6 ------- ------- ------- ------- ------- ------- -------...
  • Page 52 Ground Drive - Calibration Page 46 VARIATOR SETTING GUIDE (INDICATIVE ONLY) PEAS MATERIAL MATERIAL BULK DENSITY 860 (kg/cubic metre) HIGH RATE SPROCKET RATIO LARGE SEEDS MANIFOLD PLATE (4 outlet meterbox only refer page 102) 4 Outlet Meterbox / 2 Meterwheels fitted 6 Outlet Meterbox / 3 Meterwheels fitted 9.6 ------- ------- ------- ------- 9.6 ------- -------...
  • Page 53 Ground Drive - Calibration Page 47 VARIATOR SETTING GUIDE (INDICATIVE ONLY) FABA BEANS MATERIAL MATERIAL BULK DENSITY 800 (kg/cubic metre) STANDARD SPROCKET RATIO LARGE SEEDS MANIFOLD PLATE (4 outlet meterbox only refer page 102) 4 Outlet Meterbox / 2 Meterwheels fitted 6 Outlet Meterbox / 3 Meterwheels fitted 180 ------- ------- ------- ------- ------- ------- ------- ------- ------- ------- ------- ------- ------- ------- ------- ------- -------...
  • Page 54 Ground Drive - Calibration Page 48 VARIATOR SETTING GUIDE (INDICATIVE ONLY) FABA BEANS MATERIAL MATERIAL BULK DENSITY 800 (kg/cubic metre) HIGH RATE SPROCKET RATIO LARGE SEEDS MANIFOLD PLATE (4 outlet meterbox only refer page 102) 4 Outlet Meterbox / 2 Meterwheels fitted 6 Outlet Meterbox / 3 Meterwheels fitted 8.5 ------- ------- ------- ------- ------- ------- 9.3 ------- ------- ------- -------...
  • Page 55 Ground Drive - Calibration Page 49 VARIATOR SETTING GUIDE (INDICATIVE ONLY) CANOLA MATERIAL MATERIAL BULK DENSITY 720 (kg/cubic metre) STANDARD SPROCKET RATIO SLEEVES FITTED METERWHEEL SLEEVE (Refer to the meterbox section for further information) 4 Outlet Meterbox / 2 Meterwheels fitted (50mm sleeve) 6 Outlet Meterbox / 3 Meterwheels fitted (25mm sleeve)
  • Page 56 Ground Drive - Calibration Page 50 VARIATOR SETTING GUIDE (INDICATIVE ONLY) SORGHUM MATERIAL MATERIAL BULK DENSITY 750 (kg/cubic metre) STANDARD SPROCKET RATIO SLEEVES FITTED METERWHEEL SLEEVE (Refer to the meterbox section for further information) 4 Outlet Meterbox / 2 Meterwheels fitted (25+50mm sleeve) 6 Outlet Meterbox / 3 Meterwheels fitted (25mm sleeve)
  • Page 57 Ground Drive - Calibration Page 51 VARIATOR SETTING GUIDE (INDICATIVE ONLY) SUNFLOWER MATERIAL MATERIAL BULK DENSITY 460 (kg/cubic metre) STANDARD SPROCKET RATIO SLEEVES FITTED METERWHEEL SLEEVE (Refer to the meterbox section for further information) 4 Outlet Meterbox / 2 Meterwheels fitted (25+50mm sleeve) 6 Outlet Meterbox / 3 Meterwheels fitted (25mm sleeve)
  • Page 58 Ground Drive - Calibration Page 52 Calibration Handle Rotation Chart PLANTING WIDTH 1/20 Hectare PLANTING WIDTH 1/20 Hectare 85.5 13.5 28.5 81.0 13.8 28.0 77.0 14.0 27.5 73.3 14.3 27.0 70.0 14.5 26.5 67.0 14.8 26.1 64.2 15.0 25.7 61.6 15.3 25.2 59.2...
  • Page 59 Ground Drive - Calibration Page AREA RATE (Hectares/Hour) Width of Implement (Metres) 0.60 [Width (m) x Speed (Km/h)] x 0.1000 Metric to Imperial Conversion Scales Km/h Speed 8.75 Width 04/04...
  • Page 60 Ground Drive - Calibration Page 54 Conversion for Material Application Rates – lb / acre x 1.121 = kg / ha lb / acre kg / ha lb / acre kg / ha 58.0 65.0 60.0 67.3 62.0 69.5 64.0 71.7 66.0 74.0...
  • Page 61 Ground Drive - Calibration Page 55 04/04...
  • Page 62 Ground Drive - Calibration Page 56 04/04...
  • Page 63 GROUND DRIVE – METERING DRIVE SYSTEM Page 57 Introduction The metering system used on your Air Seeder has been designed to handle a large range of seeds and fertilizers at different rates. Due to the large difference in material flow rates required on an air seeder i.e. 3 kg/ha of canola to 160 kg/ha plus of peas or fertilizer, certain adjustments may need to be made to the meterbox or drive system.
  • Page 64 Ground Drive – Metering Drive System Page 58 Checking the Variator for Damage The variator output shaft, when set at maximum, should rotate 1 turn for every 4 It must be remembered that the variators, turns of the input shaft. You will need to mark even though they are of robust construction, the shaft or sprocket and have someone have a limited torque capacity.

  • Page 65: High Sprocket Ratio

    Ground Drive – Metering Drive System Page 59 may occur depending on the material’s High Rate Sprocket Ratio resistance. When wishing to meter high rates of seed or fertilizer it may be necessary to increase the speed range of the metershaft. This is done by altering the sprocket ratio from the standard rate to a ‘High Rates’...
  • Page 66 Key names for the 3000 Canlink. Farmscan Canlink 3000 monitor seeding pod is the control face of the Gason Monitor Installation (VRT) Hydraulic Drive system. Refer to the Farmscan operator’s manual for specific information regarding the physical installation of the monitor to the tractor.
  • Page 67 VRT Hydraulic Drive – Monitor Operation Page 61 ‘NO CAL’ will be displayed if the bin has Use the soft key to the left of the ‘WIDTH FACTOR’ to highlight the current not been calibrated. factory setting of 10.00 metres. Use the navigator keys around the ‘CAL’...
  • Page 68 VRT Hydraulic Drive – Monitor Operation Page 62 When the monitor is switched on, the It is possible to alter the prime functions screen will display ‘UNIT ON HOLD’. This run time by changing the preset value in the shows that metering system...
  • Page 69 VRT Hydraulic Drive – Monitor Operation Page 63 Message Display supplied to the metering system whenever the tractor’s hydraulics have been engaged to run If during the process of seeding a the fan or auger, if fitted. problem occurs with the seeder’s operation It is important to disengage the tractor’s an alarm will be displayed in the lower right hand corner of the screen.
  • Page 70 All new seeders coming from the Gason factory have already been setup and require only minimal input (refer to ‘Setting Implement Width’ on page 60).
  • Page 71 VRT Hydraulic Drive – Monitor Setup Page 65 7. Repeat this process to enable all 11. Set the specific machine settings in the ‘MACHINE’ screen. Refer MACHINE remaining bins. Set the pasture planter, if fitted, as the Auxiliary bin. The example Settings on page 66.
  • Page 72 VRT Hydraulic Drive – Monitor Setup Page 66 The ‘WHEEL FACTOR’ has been preset ENABLED at the factory to suit the particular seeder’s 24:1 for high ratio drive wheel and target. The operator may The Drive Ratio alarm monitors motor wish to check this value when actually seeding if a difference between the tractor’s rotation to metershaft revolutions.
  • Page 73 Step 1. Place the product to be calibrated The VRT Hydraulic Drive metering in the appropriate bin making any system on your Gason Air Seeder can be changes to the metering system operated independently from the Farmscan beforehand. monitor. This feature will be helpful if carrying out maintenance or in the event of a Step 2.
  • Page 74 VRT Hydraulic Drive – Manual Override Page 68 Step 10. Repeat the process as per the first bin until all products have been calibrated. Re-fit chains or refill bins to prepare for operation. Re- engage the fan’s flow control valve. The seeder should now be ready for operation.
  • Page 75 VRT Hydraulic Drive – Manual Override Page 69 Manual Override Calibration Chart for 1/10th of a Hectare Constant Ground Speed (km/h) 10.5 11.5 6.25 10.5 11.5 12.5 13.5 14.5 15.5 16.5 17.5 18.5 19.5 Example: An implement with a 12.5 metre sowing width driven at a constant 9km/h ground speed. The sample run time to calibrate the machine would be 32 seconds for a 1/10th of a hectare sample.
  • Page 76 VRT HYDRAULIC DRIVE – CALIBRATION Page 70 ntroduction -Select either low or high sprocket ratio. Refer to the Sprocket Ratio Selection Guide seeder’s calibration for specific information. procedure involves a controlled rotation of the metering system to enable the collection 2.
  • Page 77 VRT Hydraulic Drive – Calibration Page 71 6. Go to the ‘RATES’ screen either directly from the ‘RECORDS’ screen or from the ‘MENU’ screen:- a) Select the bin to calibrate (Bin number 1) by highlighting the appropriate zone and using the up or down navigator keys. b) Select product for that bin (WHEAT).
  • Page 78 VRT Hydraulic Drive – Calibration Page 72 f) Push the green button to start calibration using the up or down navigator keys to test. select the appropriate bin. g) Allow system to stop by itself. If the sample tray overflows or a larger sample 13.
  • Page 79 VRT Hydraulic Drive – Calibration Page 73 17. Start the fan by engaging the tractor’s hydraulic system. Adjust the fan speed at the tractor if equipped with closed centre hydraulics or at the seeder’s flow control valve if open centre hydraulics. For information on appropriate fan speeds refer to the Blower Operation section in this manual (page 108 ).
  • Page 80 VRT Hydraulic Drive – Calibration Page 74 Introduction to the Sprocket Selection By referring to the middle chart labelled ‘6 OUTLET METERBOX / 6 OUTLET METERWHEELS FITTED’ Guide the recommended ratio can be determined ie. follow the closest application row across and The Sprocket Selection Guide is used appropriate implement...
  • Page 81 VRT Hydraulic Drive – Calibration Page 75 SPROCKET RATIO SELECTION GUIDE (INDICATIVE ONLY) MATERIAL WHEAT MATERIAL BULK DENSITY (kg /cubic metre) METERBOX SETTINGS STANDARD 6 Outlet Meterbox / 4 Meterwheels fitted 4 Outlet Meterbox / 2 Meterwheels fitted 4 Outlet Shut-off Meterbox / 3 Meterwheels fitted HIGH HIGH HIGH...
  • Page 82 VRT Hydraulic Drive – Calibration Page 76 SPROCKET RATIO SELECTION GUIDE (INDICATIVE ONLY) MATERIAL DAP/MAP MATERIAL BULK DENSITY 1000 (kg /cubic metre) METERBOX SETTINGS STANDARD 6 Outlet Meterbox / 4 Meterwheels fitted 4 Outlet Meterbox / 2 Meterwheels fitted 4 Outlet Shut-off Meterbox / 3 Meterwheels fitted HIGH HIGH HIGH...
  • Page 83 VRT Hydraulic Drive – Calibration Page 77 SPROCKET RATIO SELECTION GUIDE (INDICATIVE ONLY) MATERIAL UREA MATERIAL BULK DENSITY (kg /cubic metre) METERBOX SETTINGS STANDARD 6 Outlet Meterbox / 4 Meterwheels fitted 4 Outlet Meterbox / 2 Meterwheels fitted 4 Outlet Shut-off Meterbox / 3 Meterwheels fitted HIGH HIGH HIGH...
  • Page 84 VRT Hydraulic Drive – Calibration Page 78 SPROCKET RATIO SELECTION GUIDE (INDICATIVE ONLY) MATERIAL OATS MATERIAL BULK DENSITY (kg /cubic metre) METERBOX SETTINGS REMOVE METERWHEEL COVER PLATE (Refer meterbox section for more information) 6 Outlet Meterbox / 4 Meterwheels fitted 4 Outlet Meterbox / 2 Meterwheels fitted 4 Outlet Shut-off Meterbox / 3 Meterwheels fitted HIGH...
  • Page 85 VRT Hydraulic Drive – Calibration Page 79 SPROCKET RATIO SELECTION GUIDE (INDICATIVE ONLY) MATERIAL BARLEY MATERIAL BULK DENSITY (kg /cubic metre) METERBOX SETTINGS STANDARD 6 Outlet Meterbox / 4 Meterwheels fitted 4 Outlet Meterbox / 2 Meterwheels fitted 4 Outlet Shut-off Meterbox / 3 Meterwheels fitted HIGH HIGH HIGH...
  • Page 86 VRT Hydraulic Drive – Calibration Page 80 SPROCKET RATIO SELECTION GUIDE (INDICATIVE ONLY) MATERIAL PEAS MATERIAL BULK DENSITY (kg /cubic metre) METERBOX SETTINGS LARGE SEEDS MANIFOLD PLATE (Required on 4 outlet meterbox's only. Refer meterbox section) 6 Outlet Meterbox / 4 Meterwheels fitted 4 Outlet Meterbox / 2 Meterwheels fitted 4 Outlet Shut-off Meterbox / 3 Meterwheels fitted HIGH...
  • Page 87 VRT Hydraulic Drive – Calibration Page 81 SPROCKET RATIO SELECTION GUIDE (INDICATIVE ONLY) MATERIAL FABA BEANS MATERIAL BULK DENSITY (kg /cubic metre) METERBOX SETTINGS LARGE SEEDS MANIFOLD PLATE (Required on 4 outlet meterbox's only. Refer meterbox section) 6 Outlet Meterbox / 4 Meterwheels fitted 4 Outlet Meterbox / 2 Meterwheels fitted 4 Outlet Shut-off Meterbox / 3 Meterwheels fitted HIGH...
  • Page 88 VRT Hydraulic Drive – Calibration Page 82 SPROCKET RATIO SELECTION GUIDE (INDICATIVE ONLY) MATERIAL CANOLA MATERIAL BULK DENSITY (kg /cubic metre) METERBOX SETTINGS METERWHEEL SLEEVES FITTED (Refer to the meterbox section for further information) 6 Outlet Meterbox / 4 Meterwheels fitted (25mm sleeve) 4 Outlet Meterbox / 2 Meterwheels fitted (50mm sleeve)
  • Page 89 VRT Hydraulic Drive – Calibration Page 83 SPROCKET RATIO SELECTION GUIDE (INDICATIVE ONLY) MATERIAL SORGHUM MATERIAL BULK DENSITY (kg /cubic metre) METERBOX SETTINGS METERWHEEL SLEEVES FITTED (Refer to the meterbox section for further information) 6 Outlet Meterbox / 4 Meterwheels fitted (25mm sleeve) 4 Outlet Meterbox / 2 Meterwheels fitted (50mm sleeve)
  • Page 90 VRT Hydraulic Drive – Calibration Page 84 SPROCKET RATIO SELECTION GUIDE (INDICATIVE ONLY) MATERIAL SUNFLOWER MATERIAL BULK DENSITY (kg /cubic metre) METERBOX SETTINGS METERWHEEL SLEEVES FITTED (Refer to the meterbox section for further information) 6 Outlet Meterbox / 4 Meterwheels fitted (25mm sleeve) 4 Outlet Meterbox / 2 Meterwheels fitted (50mm sleeve)
  • Page 91 VRT Hydraulic Drive – Calibration Page 85 SLEEVES FITTED SPROCKET RATIO No. OF M/WHEELS 04/04...
  • Page 92 VRT Hydraulic Drive – Calibration Page 86 SLEEVES FITTED SPROCKET RATIO No. OF M/WHEELS 04/04...
  • Page 93 VRT HYDRAULIC DRIVE – MAINTENANCE Page 87 ▪ Check that the electrical connector at Introduction the rear of the monitor is secure. Do The VRT Hydraulic drive metering not over tighten. ▪ Inspect VRT loom routing on the system utilizes robust and reliable hydraulic and electrical components that should offer tractor implement.
  • Page 94 VRT Hydraulic Drive – Maintenance Page 88 If the light does not flash at every tooth During normal operation you would expect to you may need to reduce the sensor’s see a slight variation between pulses when clearance to the target, or check that the in the low sprocket ratio setting (eg.104:1 to target runs true.
  • Page 95 VRT HYDRAULIC DRIVE – TROUBLE SHOOTING Page 89 Problem Possible Solution ➢ Check connection at battery. 1. Monitor will not turn on. ➢ Check cable connection is firm at back of monitor. ➢ Refer to the Monitor operator’s manual. 2. Seeder’s pod does not respond. ➢...
  • Page 96 VRT Hydraulic Drive – Trouble Shooting Page 90 ➢ Check bulk density of product is similar to 5. Calibration pulses/kg value is different to previous calibrations with similar product. the previous material. ➢ Check material flows freely and is not wet or binding to bin or meterwheels.
  • Page 97 Refer to the VRT Maintenance section on page 88 for further explanation. NOTE: If you experience a problem that is not solved by either the monitor’s operating manual or the above trouble shooting section contact your local Gason Dealer for further instructions. 01/10...
  • Page 98 METERBOX ASSEMBLY - 4 OUTLET SERIES 1 Page 92 Fig. M1 4 Outlet Meterbox Assembly (standard). 04/04...

  • Page 99: Outlet Meterbox

    Low Rates (Meterwheel Sleeves) Note: A special kit is also available for To obtain extremely low rates of material planting Broad Beans. Contact your Gason flow (typical for canola and sorghum) it will dealer for more information. be necessary to fit a meterwheel sleeve over the standard wheel assembly.

  • Page 100: Wide-Row Cropping

    (refer one pass while planting. Fig. M4), or fit special manifold plates to the The Gason Air Seeder has the capability of meterboxes to divert material flow to the performing this banding operation. It will correct primary hoses (refer Fig. M2).
  • Page 101 Meterbox Assembly - 4 Outlet Series 1 Page 95 Fig. M3 Deep Banding / Side Banding Metering System with standard manifold plates. Fig. M4 Wide-row Cropping using standard manifold plates and showing plugs fitted. 04/09...
  • Page 102 METERBOX ASSEMBLY - 6 OUTLET Series 1 Page 96 Fig. M5 6 Outlet Meterbox Assembly. 04/04...

  • Page 103: Outlet Meterbox

    Note: A special kit is available for • blank off the unused ports in the planting Broad Beans. Contact your Gason manifold plate in the meterbox; dealer for more information. • and possibly block the air flow on the unused primary tubes.

  • Page 104: Deep Banding

    Meterbox Assembly - 6 Outlet Series 1 Page 98 Deep Banding Partial Diversion Changing from conventional planting to It is also possible to mix some product deep banding can be performed by simply (fertilizer) with the seed or another fertilizer moving the position of the diverter plates by while metering.
  • Page 105 Meterbox Assembly - 6 Outlet Series 1 Page 99 Fig. M8 A 2 Bin Model shown with diverter plates in deep banding position. Use as a guide only. 1345 Fig. M9 A 3 Bin Seeder set up for triple shooting. Use as a guide only. 1344 04/04...

  • Page 106: Removing Meterewheels

    Meterbox Assembly Series 1 - General Page 100 Removing Manifold Plate Remove the chain that joins the metershaft and the agitator shaft on the Ensure that the bin is empty before right hand side of the meterbox. attempting to remove the manifold plate.
  • Page 107 Meterbox Assembly Series 1 - General Page 101 IMPORTANT NOTE: which may allow material to pass Meterwheel assemblies must be fitted to the through. shaft in the correct direction to allow the material to flow when the shaft is operating Fitting the Low Rate Sleeve (refer Fig.

  • Page 108: Fitting Large Seeds Manifold Plate

    Meterbox Assembly Series 1 - General Page 102 Refit the manifold plate checking that Blocking Air Flow the meterwheels are correctly located The meterboxes have been designed to run in the port and that the system turns 4 or 6 primary hoses as standard. However, freely.

  • Page 109: Metering Oats

    Meterbox Assembly Series 1 - General Page 103 When changing from the conventional 4 or 6 outlet system to a wide-row spacing layout, i.e. shutting half the system down, the operator will need to fit the plugs as well as make other changes to the metering system.

  • Page 110: Hydraulic System

    HYDRAULIC SYSTEM Page 104 Introduction Refer to table H1 & H2 to determine the flow requirement for the particular model air The hydraulic motor that drives the air seeder. The tractor will need to obtain this flow seeder blower is a robust and highly efficient at 160 bar (2350 psi) to achieve the indicated unit.
  • Page 111 Hydraulic System Page 105 With the system running it will now be Case Drain possible to set the desired fan speed at the tractor. It is important to fit the case drain directly to the tank or through a dedicated case drain You should consult with your local line that may already exist on the tractor.
  • Page 112 Hydraulic System Page 106 Both return lines must be connected Connecting the Seeder Hydraulics to the to the tractor using the safety (Tema) fittings Implement on Rear Tow Seeders supplied. This breakaway coupling has a locking ring that should be engaged when When connecting the air seeder to the connected prevent...
  • Page 113 Hydraulic System Page 107 Oil can be drained by pushing the tip on If a badly clogged filter element is not the male end of the Tema coupling against a replaced the by-pass valve could operate clean hard surface. constantly. This would mean that all or part of the oil flow is no longer being filtered.

  • Page 114: Blower Capacity

    Planting width • pneumatic conveyance. To produce enough Ground speed • airflow to convey the large amounts of seed Total application rate and fertilizer, Gason’s have developed a high performance blower of aluminium and Total Application Rate (Conventional steel construction.
  • Page 115 Some examples follow. Flow Control Valve The Gason Air Seeder is fitted with a Example 3 flow control valve located next to the blower unit. By altering the setting it is possible to A conventional seeding system using a change the speed of the blower (Fig.

  • Page 116: Blower Speed

    If when seeding, you find that the inbuilt pressure equalisation system that blower is running too fast, stop the machine exists on the Gason Air Seeder. and reduce the setting on your flow control valve at the seeder (refer Fig. B2), or from the...
  • Page 117 NOTE: While every effort has been made to determine accurate maximum conveyance Example 6 levels, A. F. Gason Pty. Ltd. will not be held responsible for conveyance short falls in the If however the same machine as in the system. This is because there are so many...
  • Page 118 Blower Capacity Page 112 Maximum Application Rate 2 Primary Hoses 6 km/h 8 km/h 10 km/h 12 km/h 14 km/h Planting Width (metres) Blowercap2rev.- Table B5 Worked example: Maximum sowing rate for a 2 outlet system on a 12 metre wide planting width at 10 km/h ground speed.
  • Page 119 Blower Capacity Page 113 Maximum Application Rate 3 Primary Hoses 6 km/h 8 km/h 10 km/h 12 km/h 14 km/h Planting Width (metres) Blowercap3rev.- Table B6 Worked example: Maximum sowing rate for a 3 outlet system on a 12 metre wide planting width at 10 km/h ground speed.
  • Page 120 Blower Capacity Page 114 Maximum Application Rate 4 Primary Hoses 6 km/h 8 km/h 10 km/h 12 km/h 14 km/h Planting Width (metres) Blowercap4rev.- Table B7 Worked example: Maximum sowing rate for a 4 outlet system on a 12 metre wide planting width at 10 km/h ground speed.
  • Page 121 Blower Capacity Page 115 Maximum Application Rate 6 Primary Hoses 6 km/h 8 km/h 10 km/h 12 km/h 14 km/h Planting Width (metres) Blowercap6rev.- Table B8 Worked example: Maximum sowing rate for a 6 outlet system on a 12 metre wide planting width at 10 km/h ground speed.

  • Page 122: General Maintenance

    GENERAL MAINTENANCE Page 116 Introduction Wheel nuts ▪ Check tension of all wheel nuts when Regular maintenance will ensure trouble free operation for the life of the first working the air seeder after seeder. It is recommended that when assembly or if a wheel has been fitted. replacing parts genuine...
  • Page 123 General Maintenance Page 117 4. Hydraulic system 6. Auger (if fitted). ▪ Inspect all hydraulic hoses for ▪ Check locking mechanism is correctly external wear. adjusted and that the auger barrel cannot ▪ Inspect all hydraulic fittings for move. possible leaks. 5.
  • Page 124 Accuracy Checking breakaway fittings. Procedure: The Gason Air Seeder should be Note: It is the responsibility of the operator to prepared for storage at the end of planting check the accuracy of the scales on a regular season. Refer to the section on ‘Storage basis.
  • Page 125 TROUBLE SHOOTING Page 119 Problem Possible Solution Hydraulics ➢ Check flow control valve is correctly Difficulty in obtaining fan speed. adjusted and that the locking screw is tight. (Refer page 109). ➢ Check that the flow diverter valve is set correctly if a loading auger has been fitted.

  • Page 126: Trouble Shooting

    Trouble Shooting Page 120 Problem Possible Solution ➢ Check that the correct hoses are attached 4. Hydraulic system not operating at the tractor and implement and that the breakaways fitted are fully engaged. ➢ Check that the flow control valve on the seeder is not set at zero.
  • Page 127 Trouble Shooting Page 121 Problem Possible Solution ➢ Check the variator setting guide (pages 37 Difficulty obtaining High Rates to 51) to obtain more information on what can be expected from the metering system. ➢ Check the meterwheels are not damaged in some way and have been fitted to the metershaft in the correct orientation.
  • Page 128 Trouble Shooting Page 122 Distribution System ➢ Check blower speed is set correctly (do Blockage occurring in hose system not exceed 4500 rpm). ➢ Check that the sowing boots are clear of mud and flow is not restricted. ➢ Check that the material being sown is not wet or binding.

  • Page 129: Optional Attachments

    Gason Air Seeders. The pasture seed and starter fertilizer. planter is generally mounted directly to the Seeder’s bin. It utilizes the Seeder’s drive...

  • Page 130: Auger Operation

    Auger Operation Page 124 Introduction The auger (optional feature) can be used for loading and unloading the air seeder bins. The arm mechanism that supports the auger will allow the augers hopper to be positioned under the bins for unloading or beside the machine for filling. Fig.
  • Page 131 Auger Operation Page 125 Fig. AO5 Manoeuvring the auger. Fig. AO7 Directional Control Valve. Do not leave the auger running for Once the hopper is in position you can extended periods unless actually conveying divert the oil flow away from the fan. Simply product.

  • Page 132: Storage And Cleaning

    STORAGE AND CLEANING Page 126 To maximize the life of the seeder it is Plug primary distribution hoses on suggested that basic cleaning and protection seeder and fit cover plates supplied to of some areas of the seeder is performed implement to prevent infestation of after each season.

This manual is also suitable for:

1700 series1800 series1220 im21230 im21230 im31240 im3 ... Show all

Table of Contents