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KUHL GMD240 Operator's Manual

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OPERATOR'S MANUAL
KN204AGB H
Disc mower
KN204AGB H
- English - 08-2014

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Summary of Contents for KUHL GMD240

  • Page 1 OPERATOR'S MANUAL KN204AGB H Disc mower KN204AGB H - English - 08-2014...

  • Page 3: Dear Owner

     Designated use of the machine The GMD240-GMD280-GMD310 mowers must only be used for the purpose for which they were manufactured: mowing on the ground of arable meadows, seeded grassland and permanent meadows for the purpose of harvesting fodder for feeding livestock.

  • Page 4: Table Of Contents

    Disc mower GMD240-280-310 $Contents  Dear Owner ........................1  Contents..........................2  Identification of the machine..................4 Front view............................4 Rear view............................4 Model identification plate ........................5 Optional equipment..........................6  Safety..........................7 Description of symbols used in this document................7 Safety instructions ...........................8 Location and description of safety decals on the machine ............20 Road safety equipment and recommendations................24...
  • Page 5 Disc mower GMD240-280-310  Instructions for work ....................46 Putting the machine into work position ..................46 Putting the machine in headland turn position ................49 Adjustments in working position....................50 Machine use............................ 52  Optional equipment ..................... 56 1 3/8’’ - 6 spline pto shaft....................... 56 32 x 38 - 8 spline pto shaft......................

  • Page 6: Identification Of The Machine

    Disc mower GMD240-280-310 $Identification of the machine 1. Front view 2. Rear view Identification of the machine KN204AGB H...

  • Page 7: Model Identification Plate

    Disc mower GMD240-280-310 3. Model identification plate Please write below the type and serial number of the machine. This information is to be indicated to the dealer for all spare parts orders. GMD240-GMD280-GMD310 Type: Serial no.: KN204AGB H Identification of the machine...

  • Page 8: Optional Equipment

    Disc mower GMD240-280-310 4. Optional equipment - Tick box corresponding to the equipment fitted on your machine: GMD240-280  Inner swath disc.  Inner swath shield. GMD280  High cone disc kit. GMD240-280-310  1 3/8’’ - 6 spline pto shaft.

  • Page 9: Safety

    Disc mower GMD240-280-310 $Safety 1. Description of symbols used in this document This symbol indicates a potentially hazardous situation that if not avoided, could result in serious bodily injury. This symbol is used to identify special instructions or procedures which, if not followed strictly, could result in machinery damage.

  • Page 10: Safety Instructions

    Disc mower GMD240-280-310 2. Safety instructions  Introduction The machine must only be operated, maintained and repaired by competent persons who are familiar with machines' specifications and operation and aware of safety regulations for preventing accidents. The operator must imperatively respect safety instructions in this manual and in the warnings posted on the machine.
  • Page 11 Disc mower GMD240-280-310  Precautions to take before using the machine Do not wear loose clothing which could become caught up in moving parts. Wear the appropriate protective clothing for the work in hand (gloves, shoes, goggles, helmet, ear defenders, etc.).
  • Page 12 Disc mower GMD240-280-310  Precautions when driving on public roads Dimensions Depending on the dimensions of the machine, contact the relevant authorities to ensure that it can be legally transported on public roads. If the machine is over the maximum legal size, follow the local regulations for special transportation of oversize equipment.
  • Page 13 Disc mower GMD240-280-310 For machines with hoppers or tanks: - If the total unit weight exceeds the tractor Gross Combined Weight Rating in accordance with the countrie's legislation, empty the hopper to travel on public roads. - In any case, we recommend to travel on public roads with empty hoppers and tanks.
  • Page 14 Disc mower GMD240-280-310 Stage 2: - Couple the machine to the tractor. To measure: - Load on front axle (t1): • Tractor + machine (transport position). To do: - If the front axle load (t1) is below 20% of the tractor tare (T), add ballast weights (M1) to exceed the minimum load on the front axle.
  • Page 15 Disc mower GMD240-280-310 Stage 4: To measure: - Load on rear axle (t2): • Tractor + machine (transport position). • Ballast weights. Checking: - Check in the tractor's operator's manual that the value measured is below the maximum allowed tractor rear axle load.
  • Page 16 Disc mower GMD240-280-310  Precautions when coupling Before attaching the machine, make sure that it cannot accidentally start moving (chock the wheels) and that the parking stand is in the right position. The machine must only be attached to the hitch points provided for this purpose.
  • Page 17 Disc mower GMD240-280-310  PTO shaft Use only PTO shafts supplied with the machine or recommended by the machine manufacturer. The protective shield of the tractor PTO stub, the PTO shaft guards and the protective shield of the machine input shaft must always be in place and in good condition.
  • Page 18 Disc mower GMD240-280-310 Before engaging the PTO drive, make sure all people and animals are clear from the machine. Never engage the PTO drive when the tractor engine is stopped. Do not install any adapter device that results in a portion of the tractor PTO stub, the rotating PTO shaft, or the adapter to be unguarded.
  • Page 19 Disc mower GMD240-280-310  Precautions during manoeuvres When moving the machine from the transport position to the working position and vice versa, make sure that nobody is within the machine pivoting area.  Remote controlled components Danger of crushing and shearing can exist when components are operated by hydraulic or pneumatic controls.
  • Page 20 Disc mower GMD240-280-310  Precautions for maintenance and repair work Before leaving tractor before adjusting, maintaining or repairing the machine, disengage the PTO drive, turn off the engine, remove ignition key and wait until all moving parts have come to a complete stop and apply park brake.
  • Page 21 Disc mower GMD240-280-310 Never start the machine when there are people nearby. Even when the machine is used in accordance with its purpose, objects may be projected. Stones and other foreign objects projected by the moving parts can travel a considerable distance. Keep all persons and animals away from the danger zone.

  • Page 22: Location And Description Of Safety Decals On The Machine

    Disc mower GMD240-280-310 3. Location and description of safety decals on the machine  Location of safety decals Safety KN204AGB H...
  • Page 23 Disc mower GMD240-280-310  Description of safety decals Operating instructions (1) The operators' manual contains all the information necessary for using the machine safely. It is imperative to read and comply with all instructions. Working on the machine (2) Before...
  • Page 24 Disc mower GMD240-280-310 Crushing area (4) Never operate in an area where there is a crushing risk before all moving parts have come to a complete stop. Manoeuvring area (5) Stay a safe distance from the machine. Crushing hazard. Cutting tools (6)
  • Page 25 Disc mower GMD240-280-310 Do not step on the machine (7) Do not step on the machine : Risk of falling or damaging the protection device. Projections (8) Stones and other debris projected by the moving parts can travel a long distance. The protection covers must always be in position and in good condition.

  • Page 26: Road Safety Equipment And Recommendations

    Disc mower GMD240-280-310 4. Road safety equipment and recommendations - Always keep to the legal speed limit for driving a tractor-machine assembly on public roads. Whatever this speed, we recommend, for everyone's safety, not to exceed a speed of 40 km/h (25 mph).

  • Page 27: Machine Specifications

    Disc mower GMD240-280-310 $Machine specifications 1. Description and glossary Cutterbar Disc Cutter bar guard Release cord Hitch pin Gearbox Lift cylinder Compensating spring Upper coupling yoke 10 : Parking stand KN204AGB H Machine specifications...

  • Page 28: Technical Specifications

    Disc mower GMD240-280-310 2. Technical specifications GMD240 GMD280 GMD310 Attachment type 3 point, Category 2 Number of discs Working width 2.40 m (7’10’’) 2.80 m (9’02’’) 3.10 m (10’02’’) Width in working position 4.24 m (13’11’’) 4.65 m (15’03’’) 4.98 m (16’04’’) Height in working position 1.17 m (3’10’’)

  • Page 29: Required Equipment

    Disc mower GMD240-280-310 3. Required equipment  Primary PTO shaft The machines are factory fitted with one of the following PTO shafts: • 1 3/8’’ - 6 spline pto shaft. • 32 x 38 - 8 spline pto shaft. KN204AGB H...
  • Page 30 Disc mower GMD240-280-310  Mechanical safety release The machine is factory fitted with the following equipment: • Mechanical safety release. • Mechanical safety release + Hydraulic pivot + Lighting and signalling. Machine specifications KN204AGB H...
  • Page 31 Disc mower GMD240-280-310  Cutter bar Knife attachment per bolt and nut: • Standard • "HD" discs Fast fit knives: KN204AGB H Machine specifications...

  • Page 32: Sound Levels

    Disc mower GMD240-280-310 4. Sound levels Sound levels have been measured in accordance with the measuring methods as defined in: NF EN ISO 4254-1 «Agricultural machinery - Safety - Part 1: General requirements» Weighted equivalent continuous acoustic pressure level at the driver's seat (closed cabin) L (A) eq: Tractor only: 76 dB(A) Tractor + machine: 80.3 dB(A)

  • Page 33: Putting Into Service

    Disc mower GMD240-280-310 $Putting into service 1. Description of control elements The machine is fitted with a release cord operated from the tractor cab. The machine is supplied with an 18 mm box wrench (1) to carry out certain adjustment and maintenance tasks.

  • Page 34: Coupling And Uncoupling

    Disc mower GMD240-280-310 2. Coupling and uncoupling The machine adapts to tractors fitted with a 3 point linkage category 2.  Description of coupling elements • A PTO shaft (1). • A release cord (2). • 1 hydraulic hose controlling machine transport/work position cylinder (3).
  • Page 35 Disc mower GMD240-280-310  Preparing the tractor Check that the tractor's authorized gross weight as well as its lift capacity and maximum weight per axle are not exceeded. See section: - Safety Safety instructions Precautions when driving on public roads.
  • Page 36 Disc mower GMD240-280-310 Hitch pin parallelism - Adjust tractor lift rods so that hitch pins are parallel to the ground. Lateral adjustment of the lower links - Balance the play on either sides of the lift linkage and lock lower link stabilizers.
  • Page 37 Disc mower GMD240-280-310  Preparing the machine Linkage adjustment When optional equipment is used, follow specific procedures mentioned in the related section: • Optional equipment / Longer hitch pins. - Measure dimension A. If measure A is below 2.10 m (6’11’’): - Place lower links in position a.
  • Page 38 Disc mower GMD240-280-310 If measure A is comprised between 2.25 m (7’04") and 2.40 m (7’10"): - Place lower links in position c. - Adjust machine lower hitch pin position: • Loosen the 8 screws (3). • Position hitch pin (2) at measure G = 10 mm (0.4").
  • Page 39 Disc mower GMD240-280-310  Coupling the machine - Lower the tractor three-point linkage. - Position ball joints of tractor lower links in line with machine lower yokes. - Attach the lower links to the hitch pins. It is recommended to couple the left lower link first.
  • Page 40 Disc mower GMD240-280-310  Hydraulic connections - Connect hydraulic hose (1) of the transport/work cylinder to a single acting valve with float position. When the following equipment is fitted: Mechanical safety release + Hydraulic pivot + Lighting and signalling - Connect the hydraulic hoses for the mechanical safety release with hydraulic pivot to the additional double acting valve.
  • Page 41 Disc mower GMD240-280-310  Primary PTO shaft Before using the machine for the first time: - Grease the transmission. Make sure that the PTO shaft is correctly adjusted, to avoid premature wear and tear. The direction of rotation is shown on a decal.
  • Page 42 Disc mower GMD240-280-310 - Attach PTO shaft guard chain in hole (1) on machine side. Immediately replace any worn or damaged guard.  Adjusting the machine Frame height Proceed with adjustment on flat and even ground. Tractor fitted with a hydraulic position control function: - Lower mowing unit on the ground.
  • Page 43 Disc mower GMD240-280-310 Tractor not fitted with a hydraulic position control function: See section: Optional equipment / Chain stroke limiter.  Uncoupling the machine When optional equipment is used, follow specific procedures mentioned in the related section: • Optional equipment / Chain stroke limiter.
  • Page 44 Disc mower GMD240-280-310 - Lower and lock parking stand (1). - Lower the tractor three-point linkage to rest the machine on the ground. - Uncouple the PTO shaft. - Place PTO shaft in holder (1). - Disconnect and store hydraulic hoses in holder (2).

  • Page 45: Instructions For Transport

    Disc mower GMD240-280-310 $Instructions for transport Before placing the machine into transport position: Wait until the rotating parts have come to a complete stop. - Check that nobody is located in the machine pivoting area. If there is someone, make sure the person moves away.
  • Page 46 Disc mower GMD240-280-310 When the following equipment is fitted: Mechanical safety release + Hydraulic pivot + Lighting and signalling - Pull release cord until lift stop (1) is free. - Lift the machine using the tractor's lift linkage. - Activate...

  • Page 47: Conformity With The Road Regulations

    Disc mower GMD240-280-310 2. Conformity with the road regulations Before driving the machine on public roads, ensure that the machine complies with current highway code regulations. - Check that the retroreflective signalling equipment is clean before going on public roads.

  • Page 48: Instructions For Work

    Disc mower GMD240-280-310 $Instructions for work Before placing the machine in working position: - Check that nobody is within the machine pivoting area. - If there is someone, make sure the person moves away. 1. Putting the machine into work...
  • Page 49 Disc mower GMD240-280-310 When the following equipment is fitted: Mechanical safety release - Place the single acting valve of the mowing unit lift cylinder in floating position to fully lower the mowing unit. - Lower the tractor lift linkage in working position.
  • Page 50 Disc mower GMD240-280-310 During work, only use the mowing unit lift cylinder to place the machine in headland turn position. The machine is properly attached when the following conditions are respected: • The 2 hitch pins are parallel to the ground.

  • Page 51: Putting The Machine In Headland Turn Position

    Disc mower GMD240-280-310 2. Putting the machine in headland turn position From the working position: During work, only use the mowing unit lift cylinder to place the machine in headland turn position. - Activate single acting valve of the transport/work positioning cylinder in the transport position direction.

  • Page 52: Adjustments In Working Position

    Disc mower GMD240-280-310 3. Adjustments in working position Before leaving tractor before adjusting, maintaining or repairing the machine, disengage the PTO drive, turn off the engine, remove ignition key and wait until all moving parts have come to a complete stop and apply park brake.
  • Page 53 Disc mower GMD240-280-310  Swathing system swathing system comprises following component: • 1 outer swath wheel (Adjustable). - Position the swath wheel in order to obtain an angle between 16° (A) and 32° (A’). - Check that there minimum clearance (J) of 15 mm (0.59’’) between the cone rib and the swath wheel.

  • Page 54: Machine Use

    Disc mower GMD240-280-310  Compensating spring tension The mowing unit is suspensed by means of compensating spring (1). In difficult working conditions, the compensating spring adjustment can be modified. From the working position: - Raise the mowing unit in headland turn to release the spring.
  • Page 55 Disc mower GMD240-280-310 At work, the hydraulic valve controlling the transport/work positioning cylinder must always be set in floating position in order to allow a good ground adaptation. Before the machine engages the crop: From the working position: - Engage the tractor PTO and slowly increase the speed up to 540 min ...
  • Page 56 Disc mower GMD240-280-310  Machine safety When hitting an obstacle: Before carrying out any maintenance or repairs on the machine, switch off the tractor engine, remove ignition key, wait until all moving parts have come to a standstill and apply park brake.
  • Page 57 Disc mower GMD240-280-310 - If the break-away latch releases too easily after reset, tighten nut (1) to increase spring washer compression slightly. - Respect spring washer layout. Basic adjustment: L= 95 mm (3.7’’). For normal functioning of the break-away latch, measure L must never be below 91 mm (3.60").

  • Page 58: Optional Equipment

    Disc mower GMD240-280-310 $Optional equipment 1. 1 3/8’’ - 6 spline pto shaft GMD240-280-310 Part no. 4600411 A specific pto shaft is available as option for tractors equipped with a 1 3/8’’ - 6 spline pto stub. 2. 32 x 38 - 8 spline pto shaft GMD240-280-310 Part no.

  • Page 59: High Cone Disc Kit

    Disc mower GMD240-280-310 3. High cone disc kit Knife attachment per bolt and nut: GMD280: Kit no. 1046170 GMD280HD: Kit no. 1046180 Fast fit knives: GMD280FF: Kit no. 1046240 The high cone disc enables reducing the swath width. The swath width is 1.80 m (5’10’’) approximately according to the density of the crop.

  • Page 60: Inner Swath Shield

    Disc mower GMD240-280-310 5. Inner swath shield GMD240 Kit no. 1036200 GMD280 Kit no. 1046150 The inner swath shield enables reducing the swath width by approximately 1.20 m (3’11") depending on the crop density. GMD240 The inner swath shield must always be used in combination with the inner swath disk.

  • Page 61: Side Deflector

    - Fit the side deflector on the cutter bar outer skid shoe. 8. Side deflector with high cone disk Knife attachment per bolt and nut: GMD240-280-310: Kit no. 1036290 Fast fit knives: GMD240FF-280FF-310FF: Kit no. 1036480 Large cone discs allow mowing dense or down crops with long stems.

  • Page 62: Longer Hitch Pins

    Disc mower GMD240-280-310 9. Longer hitch pins GMD240-280-310 Part no. 56820700 The longer hitch pin enables offsetting the machine by 200 mm (7.9’’). Linkage adjustment - Measure dimension A. If measure A exceeds 2.40 m (7’10"): Position lower links: - Adjust machine lower hitch pin position: •...

  • Page 63: Chain Stroke Limiter

    Disc mower GMD240-280-310 10. Chain stroke limiter GMD240-280-310 Kit no. 1066090 This equipment enables adjusting the chassis height in the absence of a hydraulic stroke limiter with position indexation on the tractor.  Adjusting the machine The stroke limiter must be attached to the left hitch pin.

  • Page 64: Lighting And Signalling

    Disc mower GMD240-280-310 11. Lighting and signalling GMD240-280-310 Kit no. 1066250 The machine can be fitted with specific signalling lights to comply with the road regulations.  Electrical connection - Connect machine 7-pin plug on the tractor 7-pin socket. - After making the connections, check that there is no risk of the cables being caught during operation.

  • Page 65: Quick Hitch Connector

    Disc mower GMD240-280-310 13. Quick hitch connector GMD240-280-310 Pin: Part no. 56842400 Pin (x2): Part no. 80451046 This equipment enables coupling the machine to a tractor fitted with a U (Quick Hitch) frame connector. 14. 1000 min drive kit GMD310 Kit no.

  • Page 66: Maintenance And Storage

    Disc mower GMD240-280-310 $Maintenance and storage Before carrying out any maintenance or repairs on the machine, switch off the tractor engine, remove ignition key, wait until all moving parts have come to a standstill and apply park brake. 1. Frequency chart Maintenance intervals are indicated for normal conditions of use.

  • Page 67: Lubrication

    Disc mower GMD240-280-310 2. Lubrication The pictorials show the points to be greased. - Clean grease nipples before greasing. - Lubricate with multi-purpose grease grade NLGI 2.  PTO shaft - Place the machine in working position. - Stop the tractor engine and remove ignition key.
  • Page 68 Disc mower GMD240-280-310  Grease • The release sheath. When the following equipment is fitted: Mechanical safety release - Loosen nut (1) to release lock (2). - a: Remove tie-rod (1). - Grease the release sheath inside. - b: Reinstall tie-rod (1).
  • Page 69 Disc mower GMD240-280-310 When the following equipment is fitted: Mechanical safety release + Hydraulic pivot + Lighting and signalling - Loosen nut (1) to release lock (2). - a: Extend cylinder (1). - Grease the release sheath inside. - b: Reinstall cylinder (1).
  • Page 70 Disc mower GMD240-280-310 • The leg pin. • The 3-point hitch frame vertical pivot point. Maintenance and storage KN204AGB H...
  • Page 71 Disc mower GMD240-280-310  Oil change The cutterbar - Before draining oil, operate the machine for a few minutes so that the oil warms up. GMD240-280 The cutterbar is lubricated with 2 L (0.53 US gal) of extreme-pressure gear oil with viscosity grade SAE 80W90 and API grade GL5.
  • Page 72 Disc mower GMD240-280-310 The angle gearbox - Before draining oil, operate the machine for a few minutes so that the oil warms up. The angle gearbox is lubricated with 0.45 L (0.12 US gal) of extreme-pressure oil for mechanical transmissions with viscosity grade SAE 80W90 and API grade GL5.

  • Page 73: Maintenance

    Disc mower GMD240-280-310 3. Maintenance Before carrying out any maintenance or repairs on the machine, switch off the tractor engine, remove ignition key, wait until all moving parts have come to a standstill and apply park brake.  Belt tension Regularly check belt tension and in particular during the first hours of use.
  • Page 74 Disc mower GMD240-280-310  Checking cutterbar oil level - Regularly check the cutterbar oil level: Before draining oil, operate the machine for a few minutes so that the oil warms up. - Place cutter bar in vertical position. Wait one hour for the oil to accumulate in the lower part of the cutter bar.
  • Page 75 Disc mower GMD240-280-310  Check angle gearbox oil level - Regularly check the oil level: - Place the cutterbar in horizontal position. - Remove drain plug (1) and its washer. - Check the oil level: The oil level must reach the lower edge of the emptying hole (1).
  • Page 76 Disc mower GMD240-280-310  Inspection of knives and securing elements - Immediately replace worn or damaged parts with genuine KUHN parts. When the following equipment is fitted: Knife attachment per bolt and nut Knives - Inspect systematically all knives before the machine is operated to: •...
  • Page 77 Disc mower GMD240-280-310 GMD240 GMD280 GMD310 Fixing elements - Check the fixing elements: • After hitting an obstacle. • When replacing knives. • At the beginning of each season. - The fixing bolts should be changed in the following cases (2): •...
  • Page 78 Disc mower GMD240-280-310 - Replace nuts in the following cases (1): • When nut wear reaches a = 5 mm (0.2’’). - Check the condition of the fixing elements regularly and also the torque of the knife- fixing bolt: • Torque: 12.3 daN m (91 lbf ft).
  • Page 79 Disc mower GMD240-280-310 Fitting Knives can be turned over on the same disc to use the other cutting edge or replaced. On each knife, an arrow indicates the disc's direction of rotation. Knife attachment per bolt and nut: • Knife for disk rotating to the left (Standard): Part no.
  • Page 80 Disc mower GMD240-280-310 Disc replacement - Place a wooden wedge (2) between two discs to stop them from moving. - Remove 2 bolts (1) and their spring washers using the box spanner supplied with the machine. - Remove the disc conical cover.
  • Page 81 Disc mower GMD240-280-310 When the following equipment is fitted: Fast fit knives Knives - Inspect systematically all knives before the machine is operated to: • guarantee the cutting quality. • guarantee safety in use. • Prevent cutterbar damage risks. - Replace knives in the following cases: •...
  • Page 82 Disc mower GMD240-280-310 GMD240 GMD280 GMD310 Fixing elements - Check the fixing elements: • After hitting an obstacle. • When replacing knives. • At the start of each season. - The fixing bolts should be changed in the following cases (2): •...
  • Page 83 Disc mower GMD240-280-310 - Slightly hit all ground residues between the knife and the screw with a mallet to remove them. The radial play between a worn bolt and a new knife must not exceed d = 10 mm (0.4’’).
  • Page 84 Disc mower GMD240-280-310 Knife replacement Before carrying out any maintenance or repairs on the machine, switch off the tractor engine, remove ignition key, wait until all moving parts have come to a standstill and apply park brake. Replace immediately all worn or distorted knives.
  • Page 85 Disc mower GMD240-280-310 - Pivot special tool downwards to free spring plate from screw head. - Make sure that the securing nut and bolt are in good condition and if necessary, replace them: • Torque: 12.3 daN m (91 lbf ft).
  • Page 86 Disc mower GMD240-280-310 - Press knife upwards and pull it towards yourself before releasing the special tool. • (a), (b), (c). - Checking the full locking and free rotation of the knife on the screw head. - Check that screw head (2) is free to slide in spring plate hole (3).
  • Page 87 Disc mower GMD240-280-310 Disc replacement - Place a wooden wedge (2) between two discs to stop them from moving. - Remove 2 bolts (1) and their spring washers using the box spanner supplied with the machine. - Remove the disc conical cover.
  • Page 88 Disc mower GMD240-280-310  Spring plate replacement - Remove the disc: See section: Maintenance and storage / Maintenance / Disc replacement. - Remove spring plate (1). Spring plate: Part no. K6803410 - Refit the disc: See section: Maintenance and storage / Maintenance / Disc replacement.

  • Page 89: Storage

    Disc mower GMD240-280-310 4. Storage  At the end of each season - Clean the machine thoroughly. - Drain gearbox and cutterbar and refill with new oil. - Grease the cylinder rods in contact with the outside. - Touch up any areas of damaged paintwork.

  • Page 90: Troubleshooting Guide

    Disc mower GMD240-280-310 $Troubleshooting guide    Problem Cause Remedy Dull or broken knives. Replace knives. Make sure the arrow on the Knives not installed correctly. knife upper face is pointing in the disc's direction of rotation. Uneven stubble.
  • Page 91 Disc mower GMD240-280-310 Adjust main frame height with Incorrect main frame setting. regards to the ground. Excessive ground speed. Reduce ground speed. Set hydraulic valve in floating Bad ground contour Hydraulic cylinder blocked. position. adaptation. Incorrect compensating spring Adjust compensating spring adjustment.

  • Page 92: Appendix

    Disc mower GMD240-280-310 $Appendix 1. Calculating the load on an axle When coupling a tool to the front and/or rear 3-point lift linkage, the maximum authorized payload must not be exceeded. The load on the tractor front axle must always represent 20 % of the tractor unladen weight.
  • Page 93 Disc mower GMD240-280-310 Rear tool or front-rear combination: 1) Calculation of the minimum front ballast weight M1 minimum M2 x (c+d) - T1 x b + 0.2 x T x b minimum Write the minimal additional weight in the chart.
  • Page 94 Disc mower GMD240-280-310 Table: Actual value obtained Value authorized Double value of the by calculation according to authorized capacity operator's manual per tyre (2 tyres) Minimum front/rear ballasting kg ≤ Total weight kg ≤ kg ≤ Load on front axle kg ≤...
  • Page 95 Disc mower GMD240-280-310  Determining the machine weight (M2) and the position of its centre of gravity (d) If the data required to calculate the total weight, axle loads and minimum ballasting are not supplied, use the following method. Tractor only: - T1: Load on front axle.
  • Page 96 Disc mower GMD240-280-310 - T: Axle loads. • Tractor only. Appendix KN204AGB H...
  • Page 97 Disc mower GMD240-280-310 Rear tool or front-rear combination: If the total unit weight exceeds the tractor Gross Combined Weight Rating in accordance with the countrie's legislation, empty the hopper to travel on public roads. In any case, we recommend to travel on public roads with empty hoppers and tanks.

  • Page 98: Limited Warranty

    Disc mower GMD240-280-310 $Limited warranty Limited warranty KN204AGB H...
  • Page 99 Disc mower GMD240-280-310 KN204AGB H Limited warranty...

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