KUHN GF422 Operator's Manual
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KUHN GF422 Operator's Manual

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OPERATOR'S MANUAL
KN243AGB B
Gyrotedder
KN243AGB B
- English - 10-2009

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Summary of Contents for KUHN GF422

  • Page 1 OPERATOR'S MANUAL KN243AGB B Gyrotedder KN243AGB B - English - 10-2009...

  • Page 3: Dear Owner

    Designated use of the machine The GF422 gyrotedder must only be used for the purpose for which it was manufactured: spreading and tedding previously cut forage or straw. It can also be used to form small windrows in order to limit the exposure of crop to dew at night.

  • Page 4: Table Of Contents

    Gyrotedder GF422 $Contents Dear Owner ........................1 Contents .........................2 Identification of the machine..................4 Rear view............................4 Vue avant (position de travail) ......................4 Model identification plate ........................5 Safety..........................6 Description of symbols used in this document................6 Safety instructions ...........................7 Location and description of safety decals on the machine ............15 Road safety equipment and recommendations................18...
  • Page 5 Gyrotedder GF422 Instructions for work ....................33 Putting the machine into work position ..................33 Adjustments in working position....................35 Machine use............................ 36 Maintenance and storage.................... 41 Frequency chart ..........................41 Lubrication............................42 Maintenance............................ 45 Storage ............................48 Limited warranty ......................49...

  • Page 6: Identification Of The Machine

    Gyrotedder GF422 $Identification of the machine 1. Rear view 2. Front view Identification of the machine...

  • Page 7: Model Identification Plate

    Gyrotedder GF422 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. GF422 Type: Serial no.: 4. Optional equipment Kit no. A4074000: Female coupler (Equipment delivered depending on country).

  • Page 8: Safety

    Gyrotedder GF422 $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 9: Safety Instructions

    Never let anyone operate the machine who is not trained to do so. Should you have any difficulties in understanding certain parts in this manual, please contact your KUHN dealer. Precautions to be taken before carrying out any operations on the machine...
  • Page 10 Gyrotedder GF422 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.). Ensure that all operating controls (ropes, cables, rods, etc) are placed so as they cannot be operated unintentionally and cause damage or injury.
  • Page 11 Gyrotedder GF422 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 12 Gyrotedder GF422 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 13 Gyrotedder GF422 PTO shaft Use only PTO shafts supplied with the machine or recommended by the manufacturer. The protective shield of the tractor PTO stub, the PTO shaft guards and the protective covering of the machine input shaft must always be in place and in good condition.
  • Page 14 Gyrotedder GF422 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 15 For your own safety and for correct machine operation, only use original manufacturer parts. It is strongly recommended to have your machine checked by your Kuhn dealer after each season, especially tools and their attaching hardware (nuts, bolts, etc.). Projection of stones and foreign objects For driver safety, always use a tractor equipped with a cab.
  • Page 16 Gyrotedder GF422 Precautions for machine use Before using the machine, check tools (tines) and their attachment hardware in accordance with the instructions of the present manual. Check the guards regularly. Immediately replace any damaged or missing elements. Before engaging the pto drive, lower the rotors onto the ground.

  • Page 17: Location And Description Of Safety Decals On The Machine

    Gyrotedder GF422 3. Location and description of safety decals on the machine Location of safety decals Safety...
  • Page 18 Gyrotedder GF422 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 leaving tractor...
  • Page 19 Gyrotedder GF422 Body crushing (5) Stay a safe distance from the machine. Crushing hazard. Safety...

  • Page 20: Road Safety Equipment And Recommendations

    4. Road safety equipment and recommendations The road safety equipment is mounted in the factory or by your authorized Kuhn dealer according to current safety regulations. Always keep to the legal speed limit for driving a tractor-machine assembly on public roads.
  • Page 21 Gyrotedder GF422 Tyre pressure - (1): 2.0 bar (29 psi) Instructions specific to France The machine must be fitted with specific signalling panels to comply with the road regulations. Signalling: Kit no. 1116470. Signalling: Kit no. 1016430. Instructions specific to Italy The machine must be fitted with specific signalling panels to comply with the road regulations.

  • Page 22: Machine Specifications

    Gyrotedder GF422 $Machine specifications 1. Description and glossary Three-point hitch coupler Hitch pins Parking stand Front guard Outer guard Rotor lift cylinder Outer wing Outer rotor pivot lock Central gearbox 10 : Drive shaft support Machine specifications...

  • Page 23: Technical Specifications

    Gyrotedder GF422 2. Technical specifications Attachment type 3 point linkage category 1 and 2 Number of rotors Number of tine arms per rotor Working width (DIN11220) 4.20 m (13’9’’) Width in working position 4.66 m (15’3’’) Length in working position 2.06 m (6’9’’)

  • Page 24: Putting Into Service

    Gyrotedder GF422 $Putting into service 1. Description of control elements The machine is equipped with: - 1 outer wing release cord accessible from the tractor cab. - 1 hydraulic hose for manoeuvring the outer sections. Putting into service...

  • Page 25: Coupling And Uncoupling

    Gyrotedder GF422 2. Coupling and uncoupling Preparing the tractor The machine adapts to tractors fitted with a 3-point hitch coupler category 1 or 2. The tractor nominal PTO speed must be 540 min The tractor must be equipped with a single-acting hydraulic outlet.
  • Page 26 Gyrotedder GF422 Coupling the machine - Lower the tractor three-point linkage. - Position tractor lower links in line with machine lower yokes. Category 1 linkage - Place lower links in position (a). - Secure each lower link with lynch pin.
  • Page 27 Gyrotedder GF422 - (a) Pivot lock (1). The top link can be placed in 3 different positions: - Select the position according to the tractor coupling points and the length of the top link. - (b) Attach top link to the machine swinging yoke top hitch pin.
  • Page 28 Gyrotedder GF422 PTO shaft Make sure that the PTO shaft is correctly adjusted, to avoid premature wear and tear. The tractor PTO stub must rotate at a speed of 540 min Separate the two half PTO shafts and connect them to...
  • Page 29 Gyrotedder GF422 To avoid serious accidents, the PTO drive shaft guards must be properly in place and fixed with the chains provided. Attach PTO shaft guard chain in hole ((1)) on machine side. Immediately replace any worn or damaged guard.
  • Page 30 Gyrotedder GF422 Uncoupling the machine 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. Park the machine on an even fairly level ground.
  • Page 31 Gyrotedder GF422 - Detach the top link from the machine end. - Release lower links from hitch pins (1). - Move forward with the tractor. The machine is uncoupled. The machine can be parked in working position. Putting into service...

  • Page 32: Instructions For Transport

    Gyrotedder GF422 $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 within the machine pivoting area. - If there is someone, make sure the person moves away.
  • Page 33 Gyrotedder GF422 - Lower rotor pivot lock (1). - Pivot rotor by 180 degrees. Check that the rotor pivot lock is fully engaged. - Repeat procedure on second rotor. - Lift the machine with the tractor's three point linkage. - Pivot lock (1) to lock swinging yoke (2).

  • Page 34: Conformity With The Road Regulations

    Gyrotedder GF422 2. Conformity with the road regulations Before driving the machine on public roads, ensure that the machine complies with current highway code regulations. Instructions specific to France: Never tow the machine at a speed exceeding 25 km/h (15.5 mph).

  • Page 35: Instructions For Work

    Gyrotedder GF422 $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 position From the transport position: - Lower rotor pivot lock (1).
  • Page 36 Gyrotedder GF422 - Pivot lock (1) to unlock swinging yoke (2). - Lower the tractor three-point linkage to rest the machine on the ground. - Activate transport position cylinders to release stop pins. - Pull release cord until stop pins are released.

  • Page 37: Adjustments In Working Position

    Gyrotedder GF422 3. Adjustments in working position Before adjusting, maintaining or repairing the machine, turn off ignition key and wait until all moving parts have come to a complete stop. Pitch angle adjustment Refine pitch angle adjustment using the top link for the tines to slightly brush the soil (D).

  • Page 38: Machine Use

    Gyrotedder GF422 4. Machine use The machine can turn at 180° without loosing working width or time. The following drawing shows one way of using the machine. Preferably take large headland turns. Groundspeed The following factors determine the forward speed: - The humidity level (This factor is particularly determining when wilting).
  • Page 39 Gyrotedder GF422 $Optional equipment 1. Tine arm deflectors Part no. 1116300 This equipment helps prevent hay from becoming trapped by the tine arms and rotor housings during work. Tine arm deflectors (1): • Left turn: (X12) • Right turn: (X12) 2.
  • Page 40 Gyrotedder GF422 For forming night windrows: - Connect PTO shaft to the DUPLEX gearbox input shaft. - Fit PTO cover inside the guard to protect the non used pto stub. Optional equipment...
  • Page 41 Gyrotedder GF422 3. Three point frame damper Kit no. 1126270 The stabilizer (1) is recommended for work on irregular grounds or slopes. 4. Wheel deflectors Kit no. 1126530 This equipment enables preventing crop from wrapping around the wheels and wheel columns.
  • Page 42 Gyrotedder GF422 5. Lower hitch pins Kit no. 1146230 This equipment allows extending the 3-point frame arms when the tractor coupling height is insufficient: - The coupling height is increased by 125 mm (5’’). 6. Safety strap Part no. 58599920 The safety straps firmly link the 1 tine prongs together.

  • Page 43: Maintenance And Storage

    Gyrotedder GF422 $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. Check that hydraulic hose valves are shut- off.

  • Page 44: Lubrication

    Gyrotedder GF422 After the Every 200 first 10 Once per Every 50 hours or at hours of week hours the end of the season Maintenance Check: - Tightness of all bolts and nuts. 2. Lubrication The pictorials show the points to be greased (Part no.
  • Page 45 Gyrotedder GF422 PTO shaft - Every 8 hours: • U-joints (1). - Every 20 hours: • transmission tube (2). - Every 40 hours: • guide rings (3). Oil with SHELL SAE 90 gear oil. - The outer wing hydraulic cylinder pivot pins.
  • Page 46 Gyrotedder GF422 - The "DIGIDRIVE" coupling fingers. The rotor hubs. The rotor housings. Maintenance and storage...

  • Page 47: Maintenance

    Gyrotedder GF422 Level control Central gearbox The central gearbox is lubricated with 0.8 kg (1.76 lb) kg of SHELL multi-purpose grease grade NLGI2. Check the main gearbox oil content: From the working position: - Remove 4 bolts (1). - Remove cover (2).
  • Page 48 Gyrotedder GF422 Replacing a tine 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 49 Gyrotedder GF422 Respect mounting instructions so that the crop's pressure (a) closes the coils. - Replace tine. Check attachment bolt, washer and nut. Replace if necessary. - Reassemble the unit. Check that the tine is properly embedded in the tine arm.

  • Page 50: Storage

    Gyrotedder GF422 4. Storage At the end of each season: - Clean the machine thoroughly. - Fully lubricate the machine. - Check tyre pressure: • 2.0 bar (29 psi). - Touch up any areas of damaged paintwork. - Check and replace worn or damaged tines.

  • Page 51: Limited Warranty

    Gyrotedder GF422 $Limited warranty Limited warranty...
  • Page 52 Gyrotedder GF422 Limited warranty...

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