Gason 7370 Series Operator's Manual
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Gason 7370 Series Operator's Manual

Trailed fertiliser and lime spreader
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T
a
5 and 7 Tonne Series
Trailed Fertiliser and Lime Spreader
OPERATORS MANUAL
Low Ratio Series II Gearbox (215080)
GPN 217022
REVISION C
05/17
COPYRIGHT
Neither this manual or part thereof may be reproduced or published without the prior permission of AF Gason Pty Ltd
09/08

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  • Page 1 Trailed Fertiliser and Lime Spreader OPERATORS MANUAL Low Ratio Series II Gearbox (215080) GPN 217022 REVISION C 05/17 COPYRIGHT Neither this manual or part thereof may be reproduced or published without the prior permission of AF Gason Pty Ltd 09/08...
  • Page 2 Page Intentionally Blank 09/08...

  • Page 3: Table Of Contents

    Contents Warranty Form Introduction…………………………………………… Safety…………………………………………………. Specifications………………………………………… Conversions………………………………………….. Bolt Specifications…………………………………… Ordering Parts……………………………………….. Spare Parts Record…………………………………. Assembly Instructions………………………………. Operation…………………………………………….. Adjustments Required………………………….. Setting Spinner Speed…………………………. Engaging Jockey Wheel……………………….. Spreading (bout) Width………………………… Determining Bulk Density……………………… Changing Gearbox Ratio………………………. Rear door Operation……………………………. Setting Application Rate…………………………….. By Rate Chart……………………………………...
  • Page 4 Page Intentionally Blank 09/08...

  • Page 5: Introduction

    With Fig. 1 7370 Series Fertiliser Spreader. While every effort has been made to ensure the accuracy of the information in this manual, AF Gason Pty Ltd reserves the right to delete, change or add information without notice. 09/08...

  • Page 6: Safety

    Seeder, contact your local authorized DO NOT remove any safety guards while the Gason Dealer. spreader is operating. To ensure trouble free and safe operation DO carry out the daily safety checks and operate of your spreader, it is important to carry out a the spreader in a safety conscious manner.
  • Page 7 Safety Page 3 weight, time of day and bridge restrictions, area Transporting category etc. Never transport the spreader with the Do Not transport the spreader on public jockey wheel in contact with the ground wheel. roads when loaded. Do Not exceed 25km/h Use the transport lock on the rear of the when towing the spreader when loaded on spreader to lock the gearbox in the transport...

  • Page 8: Specifications

    SPECIFICATIONS Page 4 Hydraulics 7350 Dimensions 7370 Spinner Motor type . fixed displacement Overall width 2500 2500mm ......Gerotor Type Bin width 2355 2355mm Overall height 2330 2330mm Connections .... ½” pressure inlet/main Side of bin height 2185 2185mm return Overall length 4900 5500mm...
  • Page 9 CONVERSION FORMULAE Page 5 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 10 CONVERSION FORMULAE Page 6 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) 09/08...

  • Page 11: Bolt Specifications

    BOLT SPECIFICATIONS Page 7 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 12: Ordering Parts

    Subject to any applicable Federal, State or Territory laws or ordinances, which may apply from time to time, AF 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 13 ORDERING PARTS Page 9 PART No. DESCRIPTION QTY. COST DATE 06/07...
  • Page 14 ASSEMBLY Page 10 Introduction Final Pre-Delivery Check List The fertiliser spreader has been After the Spreader has been assembled assembled as far as practicable at the factory to and the distribution system fitted to the minimize the amount of work required in the implement a final check should be carried out field.

  • Page 15: Operation

    2 x Feed chain cover plates (qty 2), are H/Duty spinners (GPN 217162). Consult your provided to protect the feed chain and Gason dealer for more information. reduce chain loading when using free flowing granulated fertiliser. Product Type...

  • Page 16: Setting Spinner Speed

    Operation Page 12 Setting Spinner Speed Maximum spinner speed for the 675mm spinners is 1050rpm. Spinner speed is one of the most important factors in achieving an accurate spread pattern. The spinner speed can be adjusted from the cab on most modern tractors if equipped with closed centre hydraulics, or from the front of the spreader by using the flow control valve on open...

  • Page 17: Spreading (Bout) Width

    Operation Page 13 Use the transport lock if travelling between paddocks or across roads. The second and more simplistic method Setting Application Rates to determine the approximate spread width is to estimate the width by eye. This can be done The application rate is controlled by: by spreading a small amount of product at the desired rate onto clear ground or onto a length...

  • Page 18: Changing Gearbox Ratio

    Operation Page 14 3. Read density from the scale in tonnes per rock the jockey wheel backwards and cubic meter (top scale). forwards or to slowly turn the jockey wheel to allow the internal drive key to slide from one Changing Gearbox Ratio gear to the next.
  • Page 19 Operation Page 15 Rear Door Adjustment A pointer, attached to the top of the To set the rear door, remove the clip door, and calibration decal is used to show the from the adjusting handle and rotate to raise distance from the bottom of the floor to the or lower the door to the required position.

  • Page 20: Setting Application Rate

    (GPN 217025) from your Gason Dealer. The kit includes 2 steel trays and a set of electronic scales to allow you to collect a sample of product and weigh it to determine your application rate.
  • Page 21 Application Rate Page 17 Application Rate Calibration Process 1. Refer to the Rate charts in the rear of the manual determine most appropriate gearbox ratio and door setting for your particular application rate. Note: Always use the lowest gear possible at the highest door setting to minimise the loading on the gearbox.
  • Page 22 Application Rate Page 18 9. Weigh the sample collected and multiply The chart shows an estimated rear door the answer by 20 if the full number of opening of 119mm. After setting the rear door handle turns for 1/20 of a hectare was to this setting the jockey wheel was rotated to used.
  • Page 23 Table G27 Disclaimer There are many variables that affect the spreading performance of the Gason multi-purpose spreader. It is important the wind speed and direction, ground contour, plant height and fertiliser consistency are considered prior to determining the spreader settings and width of pass.
  • Page 24 Application Rate Records Page 20 06/07...

  • Page 25: General Maintenance

    GENERAL MAINTENANCE Page 21 General Maintenance 2. Grease all gearbox bearings and top selector pin (gear ratio selector). Ensure Introduction that the selector pin is fully pushed in before pumping grease into the grease Regular maintenance will ensure nipple on the end of the pin. trouble free operation for the life of the 3.
  • Page 26 General Maintenance Page 22 End of Season Checklist 7. Check feed chain for damage. Rotate General Checklist jockey wheel to inspect entire chain. Look for broken slats or stiff chain links. 1. Wash Spreader clean of all fertiliser 8. Check that the tachometer is operating product and dirt.

  • Page 27: Trouble Shooting Section

     Wipe area clean and run spinner motor 1. Hydraulic spinner motor leaking oil to assess severity of leak.  Replace motor seal using a Gason Seal around the shaft. Kit (refer spare parts section for correct kit to order). If shaft is severely worn it may be necessary to replace the motor.
  • Page 29 7350 & 7370 PARTS...

  • Page 30: Spare Parts

    General - Spare Parts Page24 07/18...
  • Page 31 General - Spare Parts Page25 QTY. ITEM PART NUMBER DESCRIPTION 7350 7370 211268 Trailer Frame 7T 211481 Trailer Frame 5T 211438 Bin Assembly 7T 211476 Bin Assembly 5T Supports And Covers (Feed Chain) 211944 Bracket Support 214904 Bracket Support-Central 917403 M10 x 25 903406 Nut Nyloc M10...
  • Page 32 General - Spare Parts Page26 QTY. ITEM PART NUMBER DESCRIPTION 7350 7370 211154 Skirt Rear (Material 211022) 214382 Plate Rear Brush Mount 210776 Rivet Blind 4.8 S/S (Not Shown) Tacho 229020 Tacho Kit Post June 2013 (Refer next section) 214294 Tacho Kit Pre June 2013 (Refer next section) Ref.
  • Page 33 General - Spare Parts Page27 QTY. ITEM PART NUMBER DESCRIPTION 7350 7370 Decal 228635 Decal-Warning Tow Empty (Not Shown) 206995 Decal-Transport Speed 40 km/h Maximum (Not Shown) 216072 Decal-Do Not Ride on Machine (Not Shown) 214315 Decal-Chain Tensioner (Not Shown) Sight Glass (New)(Hole cut out dimension 75mm across) 233819...
  • Page 34 Tachometer (Post Nov 2017) - Spare Parts Page28 ITEM PART NUMBER DESCRIPTION QTY. 233910 Tachometer Kit (includes items 2-19) Ref. 229003 Tacho Display-co400 (Replaceable Battery) Battery- ‘AA’ 3.6V Lithium 229394 Ref. 233905 Sensor 12mm Body 203920 Grommet-Mounting 234716 Cable 7m Extension 214293 Target (magnet is supplied separately) 233906...
  • Page 35 Tachometer (Pre Nov 2017) - Spare Parts Page29 ITEM PART NUMBER DESCRIPTION QTY. Tacho Pre June 2013 (Refer Information Sheet 221754) 229020 Tachometer Kit (includes items 2-13) Ref. 229003 Tacho Display-co400 (Replaceable Battery) Battery- ‘AA’ 3.6V Lithium 229394 Ref. 229004 Sensor 8mm Body (cable attached) 203920 Grommet-Mounting...
  • Page 36 Rear Axle (FAD) - Spare Parts Page30 FAD axle identified by the pressed on dust cap. QTY. ITEM PART NUMBER DESCRIPTION 7350 7370 204617 Seal 80 x 120 x 12 210078 Seal 90 x 130 x 12 204623 Seal Ring Ø67 x 80 x 13 210079 Seal Ring 77 x 90 x 13 207369...
  • Page 37 Rear Axle (Titan) - Spare Parts Page31 Titan’s axle identified by the cast dust cap that is screwed onto the axle hub. QTY. ITEM PART NUMBER DESCRIPTION 7370 215308 Seal 90 x 125 x 12 215309 Wear Ring 215310 Seal Ring 215307 Bearing Inner 220748...
  • Page 38 Rear of Bin - Spare Parts Page 32 08/13...
  • Page 39 Rear of Bin - Spare Parts Page33 ITEM PART NUMBER DESCRIPTION QTY. Hydraulic Cylinder Mounting Cylinder Hyd. 1.5” x 80mm 211131 Ref. 907408 Washer Flat 21 x 37 x 1.6 (Not Shown) 903931 Nut Nyloc M20 (Not Shown) 913702 Bolt M20 x 50 (Not Shown) Hydraulic Motor Assy Motor Hyd.
  • Page 40 Rear of Bin - Spare Parts Page34 ITEM PART NUMBER DESCRIPTION QTY. Pin For Cylinder To Gear Box 207167 Pin Lynch (Not Shown) 211029 Pin Assy (Not Shown) 907408 Washer Flat 21 x 37 x 1.6 (Not Shown) Side Deflector 211107 Deflector Side L/H 211108...
  • Page 41 Rear of Bin - Spare Parts Page35 ITEM PART NUMBER DESCRIPTION QTY. 917310 Screw Set M8 x 30 (Not Shown) 903302 Nut Nyloc M8 (Not Shown) 902401 Nut M10 (Not Shown) 8001368 Washer Flat 8 x 17 x 2 (Not Shown) Rear Door/Pointer 210877 Rear Door...
  • Page 42 Gearbox Low Ratio Series 2 (215080) - Spare Parts Page 36 Note: Part and Serial No. of Gearbox will be stamped on the RH Side of the gearbox. Parts will be different for each model. ITEM PART NUMBER DESCRIPTION QTY. 216095 3 Speed Gear Shift Assembly 216673...
  • Page 43 Gearbox Low Ratio Series 2 - Spare Parts Page37 ITEM PART NUMBER DESCRIPTION QTY. Spacer – External Top Brg. 215479 Ref. Bearing – Top shaft 210708 800894 Washer Flat M10 903407 Nyloc Nut M10 Spacer – Internal Lower Brg. 3mm 211226 Ref.
  • Page 44 Hydraulic - Spare Parts Page38 Refer to page 37 for motor & hydraulic fitting details for pre July 2013 Spreaders. QTY. ITEM PART NUMBER DESCRIPTION 7350 7370 804053 Fitting Hyd.- Nipple 1/2BSPT Q/REL. 210950 Fitting Hyd.- Nipple 3/4BSPPM x 1/2BSPTM 210954 Fitting Hyd.- Elbow 3/4BSPPM x 3/4BSPTM 206627...
  • Page 45 Hydraulic - Spare Parts Page39 QTY. ITEM PART NUMBER DESCRIPTION 7350 7370 210940 Fitting Hyd.- Nipple 3/4BSPPM x 3/4BSPTM 210942 Fitting Hyd.- Nipple 3/4BSPPM x 1-1/16JICM 210941 Fitting Hyd.- Elbow 3/4BSPPM x 1-1/16JICM 210943 Fitting Hyd.- Nipple 1/4BSPPM x 1/4BSPPM 210947 Fitting Hyd.- Elbow 1-1/16JICMM 210948...
  • Page 46 Hydraulic - Spare Parts Page40 QTY. ITEM PART NUMBER DESCRIPTION 7350 7370 209694 Check Valve 3/4BSPP 210853 Kit Hyd. Tube 210852 Kit Hyd. Tube 211016 Hyd. Circuit Drawing (Not Shown) 210851 Kit Hyd. Hose (Not Shown) Hydraulic Hardware, Not shown on Drawing ITEM PART NUMBER DESCRIPTION...
  • Page 47 Hydraulic - Spare Parts Page41 QTY. ITEM PART NUMBER DESCRIPTION 7350 7370 210944 Fitting Hyd.- Elbow 7/8 UNO x 1-1/16JICM (Pre 6/2013) 210951 Fitting Hyd.- Elbow 7/16UNO x 9/16JICM 210952 Fitting Hyd.- Tee 9/16JICMM x 7/16UNO 210953 Fitting Hyd.- Elbow 9/16JICM x 9/16JICFM 210698 Hyd.
  • Page 48 Page Intentionally Blank...

  • Page 49: Optional Parts

    OPTIONAL PARTS...
  • Page 50 Tarp Kit Option Page44 07/13...
  • Page 51 Tarp Kit Option Page45 QTY. ITEM PART NUMBER DESCRIPTION 7350 7370 211791 Tarp PVC Roll 5T Spreader 211790 Tarp PVC Roll 7T Spreader 211304 Tube Assy-LHS 5T Spreader 211305 Tube Assy-LHS 7T Spreader 211306 Tube Centre- 5T Spreader 211307 Tube Centre- 7T Spreader 211308 Brkt Rest-Tarp Kit 211310...
  • Page 52 Tarp Kit Option Page46 ITEM PART NUMBER DESCRIPTION QTY. 206309 Washer Flat M6 x 12.7 Z/P 211813 Kit Handle Assy 229039 Crank Arm 229040 Washer - Spreader 231391 Plate-Crank Arm Holder Mount 231392 Clamp-Rubber Tie Down 903202 Nut Nyloc M6 903302 Nut Nyloc M8 906201...
  • Page 53 Hungry Board Option Page47 ITEM PART NUMBER DESCRIPTION QTY. Decal – Hungry Boards 229027 229028 Panel 229029 Panel 229030 Panel 229031 Panel 229032 Panel (Suits 7T Spreader ONLY) 229034 Step Mount Kit Washer Flat 3/8x1x3/32” Z/P 800899 903302 Nut Nyloc M8 917308 Screw Set M8x20x1.25P 229025...
  • Page 54 Page Intentionally Blank...
  • Page 55 Rates Charts ____________________________ ____________________________ ________________...
  • Page 56 Rate Charts Page 50 ________________________________________________________________________ Maximum door opening is 240mm Note: Example may differ from actual charts in this manual. Use this example as a guide only and the following charts to determine the correct door settings.
  • Page 57 Rate Charts – Low Gear Page 51 ________________________________________________________________________...
  • Page 58 Rate Charts – Low Gear Page 52 _______________________________________________________________________ __________________________________________________________________...
  • Page 59 Rate Charts – Low Gear Page 53 _____________________________________________________________________ ____________________________________________________________________...
  • Page 60 Rate Charts – Low Gear Page 54 _____________________________________________________________________ ____________________________________________________________________...
  • Page 61 Rate Charts – Low Gear Page 55 _________________________________________________________________________ _____...
  • Page 62 Rate Charts – Low Gear Page 56 _________________________________________________________________________ _____...
  • Page 63 Rate Charts – Low Gear Page 57 _________________________________________________________________________ ______...
  • Page 64 Rate Charts – Medium Gear (lower rates) Page 58 _________________________________________________________________________ ______...
  • Page 65 Rate Charts – Medium Gear (lower rates) Page 59 __________________________________________________________________ _________________________________________________________________________ _____...
  • Page 66 Rate Charts – Medium Gear (lower rates) Page 60 _________________________________________________________________________ _____...
  • Page 67 Rate Charts – Medium Gear (lower rates) Page 61 _________________________________________________________________________ _____...
  • Page 68 Rate Charts – Medium Gear (lower rates) Page 62 _________________________________________________________________________ _____...
  • Page 69 Rate Charts – Medium Gear (lower rates) Page 63 _________________________________________________________________________ _____...
  • Page 70 Rate Charts – Medium Gear (lower rates) Page 64 _________________________________________________________________________ _____...
  • Page 71 Rate Charts – Medium Gear (higher rates) Page 65 _________________________________________________________________________ _____...
  • Page 72 Rate Charts – Medium Gear (higher rates) Page 66 _________________________________________________________________________ _____...
  • Page 73 Rate Charts – Medium Gear (higher rates) Page 67 ____________________________________________________________________________...
  • Page 74 Rate Charts – Medium Gear (higher rates) Page 68 _________________________________________________________________________ _____...
  • Page 75 Rate Charts – Medium Gear (higher rates) Page 69 _________________________________________________________________________ _____...
  • Page 76 Rate Charts – Medium Gear (higher rates) Page 70 _________________________________________________________________________ _____...
  • Page 77 Rate Charts – Medium Gear (higher rates) Page 71 ________________________________________________________________________ ______...
  • Page 78 Rate Charts – High Gear Page 72 _________________________________________________________________________ _____...
  • Page 79 Rate Charts – High Gear Page 73 ________________________________________________________________________ _____________________...
  • Page 80 Rate Charts – High Gear Page 74 ________________________________________________________________________ ______...
  • Page 81 Rate Charts – High Gear Page 75 _________________________________________________________________________ _____...
  • Page 82 Rate Charts – High Gear Page 76 _________________________________________________________________________ _____...
  • Page 83 Rate Charts – High Gear Page 77 _________________________________________________________________________ _____...
  • Page 84 Rate Charts – High Gear Page 78 _________________________________________________________________________ _____...

This manual is also suitable for:

7350 series

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