1. Dear Owner In buying a Kuhn machine you have chosen wisely. Into it have gone years of thought, research and improvement. You will find, as have thousands of owners all over the world, that you have the best that engineering skill and actual field testing can produce.
Gyrotedder GF8702 2. Contents Dear Owner ........................1 Contents ..........................2 Identification of the machine..................5 Front view (transport position) ......................5 Front view (working position) ......................5 Model identification plate ......................... 6 Optional equipment.......................... 7 Safety..........................8 Description of symbols used in this document................. 8 Safety instructions ...........................
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Gyrotedder GF8702 Road safety equipment and recommendations ................27 4.4.1 Instructions specific to France..................29 4.4.2 Tyre pressure ........................30 Likely critical failures........................30 Incorrect use of the machine by the user ..................30 Limit state criteria........................... 31 Machine specifications....................32 Description and glossary .......................
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Gyrotedder GF8702 Optional equipment......................59 1 3/8’’ - 6 spline pto shaft ....................... 59 32x38 - 8 spline pto shaft....................... 59 DUPLEX gearbox .......................... 59 Prop wheel ............................. 60 9.4.1 Machine use ........................60 9.4.2 Putting the machine into transport position ..............60 9.4.3...
Gyrotedder GF8702 3. Identification of the machine Front view (transport position) Front view (working position) 3. - Identification of the machine KN142BGB G...
Model identification plate - Please write below the type and serial number of the machine. This information is to be given to the Kuhn authorized dealer for any spare parts order or warranty claim. • (1) The manufacturer: • (2) Type : •...
Gyrotedder GF8702 4. Safety 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.
Gyrotedder GF8702 Safety instructions 4.2.1 Introduction The machine must only be operated, maintained and repaired by competent persons who are familiar with machines' specifications and operation and aware safety regulations preventing accidents. The operator must imperatively respect safety instructions in this manual and in the warnings posted on the machine.
Never let anyone operate the machine who is not trained to do so. Should you have any difficulties in understanding any parts of this manual, please contact your KUHN dealer. 4.2.4 Precautions to take before using the machine Do not wear loose clothing which could become caught up in moving parts.
Gyrotedder GF8702 4.2.5 Precautions when driving Tractor handling, stability, performance and braking efficiency are all affected by weight distribution, trailed or mounted implements, additional ballast and driving conditions. It is therefore of great importance that the operator exercises caution in every given situation.
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Gyrotedder GF8702 Lights and indicators - Before transporting the machine on public roads, ensure that all legally required lightings and signallings are in place. - Ensure that lightings and signallings are clean and in good working order. Replace any missing or broken equipment.
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Gyrotedder GF8702 For machines with hoppers or tanks: - If the total unit weight exceeds the tractor Gross Combined Weight Rating 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.
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Gyrotedder GF8702 • 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...
Gyrotedder GF8702 • Stage 4: To measure: kg kg - 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...
Gyrotedder GF8702 4.2.8 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.
Gyrotedder GF8702 4.2.9 Hydraulic circuit Caution! The hydraulic circuit is under high pressure. Maximum pressure at work: 200 bar. Before connecting hoses to the tractor hydraulics, ensure that tractor and machine circuits are not under pressure.Before disconnecting a hose, depressurize the hydraulic circuit.
Gyrotedder GF8702 4.2.10 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.
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Gyrotedder GF8702 - 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. The tractor master shield shall overlap the end of the splined shaft and the added adaptor device as outlined in the table.
Gyrotedder GF8702 4.2.11 Precautions to take before using the parking stands 134138: Specific requirements for countries member of the Eurasian Economic Community (EAC marking). 134139: Specific requirements for countries member of the Eurasian Economic Community (EAC marking). 133983: Specific requirements for countries member of the Eurasian Economic Community (EAC marking).
Gyrotedder GF8702 4.2.15 Safety decals Safety warning decals are placed in pictorial form on various parts of the machine. They are there to warn you of potential dangers and to tell you how to avoid accidents. - Always keep the safety decals clean and readable, and replace them when they are worn, damaged, missing or illegible.
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.).
Gyrotedder GF8702 4.2.18 Projection of stones and foreign objects For driver safety, always use a tractor equipped with a cab. 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.
Gyrotedder GF8702 4.2.20 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.
Gyrotedder GF8702 Location and description of safety decals on the machine 4.3.1 Location of safety decals 4. - Safety KN142BGB G...
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Gyrotedder GF8702 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 the tractor or before adjusting,...
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.
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Gyrotedder GF8702 The front device is made up of the following components: • 2 signalling panels (1). • 2 white lights (2). • 2 white reflectors (3). The side device is made up of the following components: 1 amber reflector (1) on each machine side.
Gyrotedder GF8702 The rear device is made up of the following components: • 2 signalling panels (1). • 2 signalling lights (2) (red light / stop light / turn signal light). • 2 red reflectors (3). 4.4.1 Instructions specific to France...
Gyrotedder GF8702 4.4.2 Tyre pressure Central parts (16/9.50-8) (1): • 2.34 bar (34 psi). Outer wings (16/6.50-8) (2): • 1.5 bar (22 psi). Likely critical failures • 133993: Specific requirements for countries member of the Eurasian Economic Community (EAC marking).
Gyrotedder GF8702 Limit state criteria • 134006: Specific requirements for countries member of the Eurasian Economic Community (EAC marking). • 134007: Specific requirements for countries member of the Eurasian Economic Community (EAC marking). • 134008: Specific requirements for countries member of the Eurasian Economic Community (EAC marking).
Designated use of the machine The GF8702 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.
Gyrotedder GF8702 Technical specifications GF7802 Attachment type 3 point, Category 2 Attachment type 3 point, Category 2 Number of rotors Number of tine arms per rotor Working width (DIN11220) 8.70 m (28’7’’) Width in working position 9.12 m (29’11’’) Length in working position 2.36 m (7’9’’)
Gyrotedder GF8702 Required equipment The machine is factory fitted with the following equipment: 5.3.1 Primary PTO shaft The machines are factory fitted with one of the following PTO shafts: • PTO shaft 1 3/8’’ - 6 splines. • PTO shaft 32x38 - 8 splines.
Gyrotedder GF8702 • USA signalling equipment 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: 78.7 dB(A).
Gyrotedder GF8702 6. Putting into service Description of control elements The machine is fitted with the following components: • A release cord control machine transport/work position setting. • 2 hydraulic hoses controlling the machine transport/work position cylinder. • 2 hydraulic hoses that control the oblique position setting cylinder.
Gyrotedder GF8702 6.2.2 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.
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Gyrotedder GF8702 Position the machine on level hard ground. Tyre pressure Check tyre pressure (Left side = Right side). Hitch pin parallelism • Adjust tractor lift rods so that hitch pins are parallel to the ground. Lateral adjustment of the lower links - Distribute the play on each side of the lift linkage.
Gyrotedder GF8702 6.2.3 Preparing the machine Linkage adjustment The machine adapts to tractors fitted with a 3 point linkage category 2. 3 point, Category 2: - Place lower links in position (a). Check the horizontal setting of the lower links.
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Gyrotedder GF8702 Never couple top link to the oblong hole (1). - Attach top link (2). - Insert and lock top link R-clip (3). - Raise machine using the tractor lift linkage until parking stands no longer rest on the ground.
Gyrotedder GF8702 Rear parking stand: - Remove R-clip and raise parking stand. - Secure using R-clip. 6.2.5 Hydraulic connections - Connect the 2 hydraulic hoses that control the machine transport/work position setting to the same tractor double acting valve. - Connect the 2 hydraulic hoses that control the oblique position setting cylinder to the same tractor hydraulic double acting valve.
Gyrotedder GF8702 6.2.7 Primary PTO shaft Before using the machine for the first time: - Grease the transmission. • Check overlap of the u-joint drive shaft and adjust length if necessary to avoid any premature wear. The direction of rotation is shown on a decal.
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Gyrotedder GF8702 If this is not the case: - Mark length (H) to cut when the transmission is the maximum overlap position. - Shorten the guard tubes and the transmission tubes by the same length. - Bevel and clean the tubes.
Gyrotedder GF8702 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 on machine side. - Immediately replace any worn or damaged guard.
Gyrotedder GF8702 6.2.9 Uncoupling the machine Park the machine on an even fairly level ground. The machine is fitted with front and rear parking stands. From the transport position: Rear parking stand: - Remove R-clip. - Fully lower parking stand.
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Gyrotedder GF8702 - Slowly lower the tractor lift to rest the machine on the ground. - Uncouple and place PTO shaft in support (1). - Disconnect and store hydraulic hoses in holder (1). - Disconnect and store signalling plug on holder (1).
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Gyrotedder GF8702 The machine must be parked in working position if ground is not level. 6. - Putting into service KN142BGB G...
Gyrotedder GF8702 7. Instructions for transport Before placing the machine into transport position: - Disengage tractor PTO. - 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.
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Gyrotedder GF8702 - Operate transport/work position cylinder transport position direction: • The outer wings fold until automatically locked. The machine folds/unfolds simultaneously. - Lift the machine with the tractor's three point linkage. If the tractor is fitted with a hydraulic top link: Never shorten the hydraulic top link to bring the machine closer to the tractor.
Gyrotedder GF8702 Conformity with the road regulations Before driving the machine on public roads, ensure that the machine complies with current highway code regulations. - Never pull the machine at a speed exceeding 40 kph (25 mph). - Check that the light boards are clean and...
Gyrotedder GF8702 Machine transport using transport means 134035: Specific requirements for countries member of the Eurasian Economic Community (EAC marking). 134036: Specific requirements for countries member of the Eurasian Economic Community (EAC marking). 7. - Instructions for transport KN142BGB G...
Gyrotedder GF8702 8. 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. Putting the machine into work position...
Gyrotedder GF8702 If in working position, the tractor lift linkage does not lift enough to clear the outer rotors from the ground, they may be raised using the hydraulic cylinders. The machine is in working position. If equipped, shift tractor valve in the detented float position.
Gyrotedder GF8702 8.2.1 Pitch angle adjustment - Adjust to maximum pitch angle in large crop quantities. - Adjust to minimum pitch angle in small crop quantities. - Slightly lift the machine from the ground. - Rotate lever by a 1/4 turn to unlock adjustment system (1).
Gyrotedder GF8702 8.2.2 Work in oblique position The oblique position can be used when tedding on field edges. From the working position: - Operate hydraulic valve that pressurizes the oblique position setting cylinder (1) to pivot rotor wheels in the required direction.
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Gyrotedder GF8702 To increase the downward travel range With the machine in transport position: - Remove screw (1). - Remove one or two washers (2). - Reinstall screw (1). To reduce the downward travel range With the machine in transport position: - Remove the bolt (1).
Gyrotedder GF8702 Machine use 8.3.1 Drive speed When optional equipment is used, follow specific procedures mentioned in the related section: • Optional equipment/ DUPLEX gearbox. The following factors determine the forward speed: • The humidity level (This factor is particularly determining when wilting).
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Gyrotedder GF8702 General advice In dense and average length crop: When wilting a crop with high humidity level: • The speed is approximately of 7 at 8 kph (4.3 - 5 mph). When tedding a more or less dry crop: •...
Gyrotedder GF8702 9. Optional equipment 1 3/8’’ - 6 spline pto shaft (+ Cam type cut-out clutch) A specific pto shaft is available as option for tractors equipped with a 1 3/8’’ - 6 spline pto stub. 32x38 - 8 spline pto shaft...
Gyrotedder GF8702 Prop wheel The prop wheel provides better adaptation to irregular ground contours. 9.4.1 Machine use - Place the machine in working position. - Remove R-clip (1). - Remove pin (2). - Lower the support wheel (3) until in contact with the soil.
Gyrotedder GF8702 Lateral signalling equipment (for France) The machine must be fitted with specific signalling panels to comply with the road regulations. The side device is made up of the following components: • 2 reflective pannels. • 2 amber reflectors (1).
Gyrotedder GF8702 10. Maintenance and storage 10.1 Adjustments in working position - 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.
Gyrotedder GF8702 Every 50 After the first Once per hours or at 10 hours of week the end of the season Lubrication Grease: - The outer wing pivot pins. - The DIGIDRIVE coupling fingers. - The wheel column holders.
Gyrotedder GF8702 The pictorials show the points to be greased. - Clean grease nipples before greasing. Lubricate with multi-purpose grease grade NLGI 2. 10.3.1 Pto shaft Before using the machine for the first time: - Grease the transmission. • During intensive use with tractors of...
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Gyrotedder GF8702 • The DIGIDRIVE coupling fingers. • The wheel column holders. • Buffer (headstock) (2x). 10. - Maintenance and storage KN142BGB G...
Gyrotedder GF8702 10.3.3 Oil Lubricate with all purpose oil S 6994 EP90. • The outer wing hydraulic cylinder pivot pins. • Pitch angle adjustment pivot points. 10.4 Maintenance 10.4.1 Central gearbox oil level control The central gearbox is lubricated for life and does not require periodic maintenance.
Gyrotedder GF8702 GF8702 Oil volume 0.7-L (0.18 US gal) Type of oil Gear oil Viscosity 80W90 Specification API - GL5 (extreme pressure) - Regularly check the central gearbox oil level: From the working position: - Remove filler/level plug (1) and its seal: •...
Gyrotedder GF8702 10.4.3 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.
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Gyrotedder GF8702 - 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.
Gyrotedder GF8702 10.4.4 Replacing a synchronized unfolding cable From the transport position: If the cable is broken: - Remove 2 bolts (1). - Remove cable grip (2). - Activate hydraulic valve that pressurizes the transport/work position cylinder in the work position direction until the outer rotors are just above the ground.
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Gyrotedder GF8702 - Activate hydraulic valve that pressurizes the transport/work cylinders in the work position direction until cylinders reach travel end. If the cable is broken: - Remove 2 bolts (1). - Remove cable grip (2). - Remove nut (1).
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Gyrotedder GF8702 - Fit cable (1) through hollow screw (2), sheath (3), plastic guide (4) and cable duct (5). Check that the cable passes in the pulley and through the sheath/spring unit (5). - Activate hydraulic valve that pressurizes the...
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Gyrotedder GF8702 - Remove wedge (2). - Operate hydraulic valve that pressurizes the transport/work position cylinders in the transport position direction until the cylinders reach their travel end. - Fit cable (3) in cable clamp (2). - Press cable clamp (2) against spring (4).
Gyrotedder GF8702 - Check that cable clamp is in the proper position. Otherwise, adjust again the cable clamp. - Check that the system functions properly by unfolding the machine cautiously. - Proceed the same way on the other side (If necessary).
Gyrotedder GF8702 10.5 Storage 10.5.1 At the end of each season - Clean the machine thoroughly. - Fully lubricate the machine. - Grease the cylinder rods in contact with the outside. A7300019 0 - Check tyre pressure: • Central parts (16/9.50-8): 2.34 bar (34 psi).
Gyrotedder GF8702 10.5.2 At the start of each season - Re-read the operators' manual. - Wipe off grease on cylinder rods. - Check tyre pressure: • Central parts (16/9.50-8): 2.34 bar (34 psi). • Outer wings (16/6.50-8): • 1.5 bar (22 psi).
Gyrotedder GF8702 10.6 Dismantling and scrapping of the machine At the end of the machine's life, the various machine components must be disposed of or recycled in compliance with local régulations in force. - Make sure the machine is stable (parking stands, holders, slings, etc.) prior to carrying out any repair or maintenance.
Gyrotedder GF8702 11. Appendix 11.1 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. When coupling tools to the front and/or rear 3-point lift linkages, the maximum load on tractor's tires must not be exceeded.
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Gyrotedder GF8702 Obtained Description Units Description Axle loads (Tractor + machine) Load on front axle (Tractor + machine) Load on rear axle (Tractor + machine) Total weight of front tool or front ballast Total weight of rear tool or rear ballast...
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Gyrotedder GF8702 3) Calculation of the actual load on the front axle T1 real If the front tool (M1) is lighter than the minimum load required at the front (minimum), increase tool weight until the required minimum front load is reached ...
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Gyrotedder GF8702 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 Total weight < Load on front axle < < Load on rear axle <...
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Gyrotedder GF8702 T1: Load on front axle. • Tractor only. T1 = _____kg T1 = ________ kg T: Axle loads. • Tractor only. T = _____kg T = ________ kg T2: Load on rear axle. • Tractor only. T2 = _____kg T2 = ________ kg 11.
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Gyrotedder GF8702 Rear tool or front-rear combination: If the total unit weight exceeds the tractor Gross Combined Weight Rating 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.
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Gyrotedder GF8702 Calculating the rear tool weight (M2): • M2 = T - t Calculating the distance (d): • d = (( b x ( T1 - t1) ) / M2 ) - c Front tool: If the total unit weight exceeds the tractor...
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Gyrotedder GF8702 t: Axle loads. • Tractor + machine. t = _____kg t = ________ kg Calculating the front tool weight • M1 = t - T Calculating the distance (a): • a = ( b x ( T2 - t2) ) / M1 11.
KUHN equipment from an authorized KUHN dealer, that such equipment is, at the time of delivery to such purchaser, free from defects in material and workmanship, and that such equipment is covered under this Limited Warranty providing the machine is used and serviced in accordance with the recommendations in the Operator's manual.
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- The warranty claim is completed on line via extranet - www.kuhn.com or submitted on a KUHN warranty claim form and returned to the Company within one month after the date of failure or the date of problem becoming apparent.
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$Specimen of the "Declaration of conformity" EC Declaration of conformity (European directive 2006/42/CE) The manufacturer: Manufacturer name and address declares that the product described hereafter: Brand Brand Machine Machine Type / Model : Type / Model Serial no. Serial no. - conforms to the requirements of the European directive 2006/42/CE.
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KUHN S.A. - B.P. 50060 - F - 67706 SAVERNE CEDEX (FRANCE) KUHN-AUDUREAU S.A. - B.P. 19 - F - 85260 LA COPECHAGNIERE (FRANCE) KUHN-BLANCHARD SAS - 24, route de Nantes - F - 44680 CHEMERE (FRANCE) KUHN-HUARD S.A. - B.P. 49 - F - 44142 CHATEAUBRIANT CEDEX (FRANCE) KUHN-GELDROP B.V.
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