KUHN GF422 Operator'S Manual Download Page 7

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Identification of the machine

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.

Type:

GF422

Serial no.:

4. Optional equipment

Kit no. A4074000

: Female coupler (Equipment delivered depending on country).

Kit no. 1116300

: Tine arm deflectors.

Kit no. 1116440

: DUPLEX gearbox.

Kit no. 1126270

: Three point frame damper.

Kit no. 1126530

: Wheel deflectors.

Kit no. 1146230

: Lower hitch pins.

Part no. 58599920

: Safety strap.

Summary of Contents for GF422

Page 1: ...KN243AGB B OPERATOR S MANUAL Gyrotedder G F 4 2 2 KN243AGB B English 10 2009 ...

Page 2: ......

Page 3: ...AND MAINTAIN YOUR MACHINE before reading this manual carefully KEEP THIS MANUAL AVAILABLE FOR REFERENCE Pass it on to the next owner if you re sell the machine Your KUHN dealer can offer a complete line of genuine KUHN service parts These parts are manufactured and carefully inspected in the same factory that builds the machine to assure high quality and accurate fitting of any necessary replaceme...

Page 4: ...fety instructions 7 Location and description of safety decals on the machine 15 Road safety equipment and recommendations 18 Machine specifications 20 Description and glossary 20 Technical specifications 21 Sound levels 21 Putting into service 22 Description of control elements 22 Coupling and uncoupling 23 Instructions for transport 30 Putting the machine into transport position 30 Conformity wit...

Page 5: ... 3 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: ...Gyrotedder 4 GF422 Identification of the machine Identification of the machine 1 Rear view 2 Front view ...

Page 7: ...e indicated to the dealer for all spare parts orders Type GF422 Serial no 4 Optional equipment Kit no A4074000 Female coupler Equipment delivered depending on country Kit no 1116300 Tine arm deflectors Kit no 1116440 DUPLEX gearbox Kit no 1126270 Three point frame damper Kit no 1126530 Wheel deflectors Kit no 1146230 Lower hitch pins Part no 58599920 Safety strap ...

Page 8: ... 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 This symbol is used to communicate technical information of particular interest ...

Page 9: ...ly 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 The operator is also obliged to respect current legislation concerning accident prevention work safety and ...

Page 10: ...ce and in good condition Immediately replace any worn or damaged guard 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 Groundspeed must be adapted to gr...

Page 11: ...rcumstances be less than 20 of the tractor s unladen weight If necessary add ballast weights to the front or to the rear to preserve the steering and braking efficiency Transport position Before transporting the machine on public roads place the machine into its transport position according to the instructions in this manual Lights and indicators Before transporting the machine on public roads ens...

Page 12: ...lic circuit To avoid making incorrect connections mark hydraulic couplers and corresponding hoses with colors WARNING Functions could be reversed for example lift lower and cause accidents Regularly check the hydraulic hoses In case of normal wear replace the hydraulic hoses every 5 years Damaged or worn hoses must immediately be replaced When replacing the hydraulic hoses only use hoses with the ...

Page 13: ...he machine disengage the PTO drive turn off the engine remove ignition key and wait for all moving parts have come to a complete stop If the primary PTO shaft is equipped with a slip clutch or a free wheel these must be fitted on the machine side Ensure that the PTO shaft is always correctly fitted and locked into place Before connecting the PTO shaft ensure that the PTO speed rotational frequency...

Page 14: ...ardized tools Before any work is performed on the wheels ensure that the machine rests on the ground and is perfectly stable so that it cannot move accidentally put chocks in place 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...

Page 15: ...ments under pressure or tension springs pressure accumulators etc must only be carried out by competent persons with regulation equipment Wear the appropriate protective clothing for the work in hand gloves shoes goggles helmet ear defenders etc Do not solder weld or use a blow torch near fluids under pressure or inflammable products For your own safety and for correct machine operation only use o...

Page 16: ...uards are in place Keep all persons and animals away from the danger zone Keep a safe distance from the Gyrotedder when the rotors are in movement Never work in reverse After the power source has stopped the rotors can continue turning for a time Stay away from the machine until all moving parts have come to a complete standstill If an obstacle is hit disengage the PTO drive stop the tractor engin...

Page 17: ...Safety Gyrotedder GF422 15 3 Location and description of safety decals on the machine Location of safety decals ...

Page 18: ... 2 Before leaving the tractor or 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 Projections 3 Stones and other debris projected by the moving parts can travel a long distance Always stay at a safe distance from the machine Rotary tools 4 To preven...

Page 19: ...Safety Gyrotedder GF422 17 Body crushing 5 Stay a safe distance from the machine Crushing hazard ...

Page 20: ...gulations Always keep to the legal speed limit for driving a tractor machine assembly on public roads Whatever the speed we recommend for everyones safety not to exceed a maximum speed of 25 km h 15 5 mph The rear safety device comprises 2 red reflectors 1 The side device comprises 2 amber reflectors 1 1 on each machine side The front safety device comprises 2 white reflectors 1 1 1 1 1 ...

Page 21: ...hine must be fitted with specific signalling panels to comply with the road regulations Instructions specific to Italy The machine must be fitted with specific signalling panels to comply with the road regulations 1 1 1 1 Signalling Kit no 1116470 Signalling Kit no 1016430 Signalling Kit no 1116760 ...

Page 22: ...ecifications 1 Description and glossary 0 1 Three point hitch coupler 2 Hitch pins 3 Parking stand 4 Front guard 5 Outer guard 6 Rotor lift cylinder 7 Outer wing 8 Outer rotor pivot lock 9 Central gearbox 10 Drive shaft support 1 6 2 2 3 4 4 5 5 7 8 9 10 ...

Page 23: ... 2 48 m 8 1 Length in transport position 2 06 m 6 9 Height in transport position x xx m y y Minimum PTO power requirement 15 kW 20 hp PTO speed 540 min 1 Weight 452 kg 996 lb Tyres 15 6 00 6 Tyre pressure 2 0 bar 29 psi Sound levels have been measured in accordance with the measuring methods as defined in NF EN 1553 Agricultural machinery Self propelled mounted semi mounted and trailed Common safe...

Page 24: ...22 Putting into service 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 1 ...

Page 25: ...gory 1 or 2 The tractor nominal PTO speed must be 540 min 1 The tractor must be equipped with a single acting hydraulic outlet Hitch pin parallelism Adjust tractor lift rods so that lower linkage arms are at equal height from ground Lateral adjustment of the lower linkage arms Balance the play on either sides of the lift linkage and lock lower link stabilizers ...

Page 26: ...he 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 Category 2 linkage Place lower links in position b Secure each lower link with lynch pin ...

Page 27: ... the ground c Lift the machine using the tractor lift linkage until the parking stand no longer rests on the ground Remove R clip 2 Lift parking stand 3 Insert R clip 2 to lock parking stand 3 Hydraulic connection Connect hydraulic hose 1 to a single acting outlet The top link can be placed in 3 different positions Select the position according to the tractor coupling points and the length of the ...

Page 28: ...should not butt against the yokes As a safety measure a clearance L of at least 25 mm 1 must be maintained When the PTO shaft is in its maximum extended position the tube overlap must be more than 250 mm 10 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 tube...

Page 29: ...der GF422 27 Attach PTO shaft guard chain in hole 1 on machine side To avoid serious accidents the PTO drive shaft guards must be properly in place and fixed with the chains provided Immediately replace any worn or damaged guard 1 ...

Page 30: ...machine on the ground Uncouple and place PTO shaft in support 1 Disconnect and store hydraulic hose in holder 2 Remove cord from tractor and store it in its holder on 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...

Page 31: ...nto service Gyrotedder GF422 29 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 ...

Page 32: ...se cord until stop pins are released Shift tractor single acting valve to raise outer wings 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 Check that transport locks 1 are fully engaged 1 1 ...

Page 33: ...es Repeat procedure on second rotor Lift the machine with the tractor s three point linkage Pivot lock 1 to lock swinging yoke 2 The machine is in transport position Check that the rotor pivot lock is fully engaged Never engage the tractor PTO drive when the machine is in transport position 1 1 2 ...

Page 34: ... 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 Check that transport locks 1 are fully engaged Check that rotor pivot locks 2 are fully engaged Regularly check the tyre pressure Make sure the release cord cannot be operated inadvertently 1 1 2 2 ...

Page 35: ...ot lock 1 Pivot rotor by 180 degrees Repeat procedure on second rotor 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 Check that the rotor pivot lock is fully engaged Never engage the tractor PTO drive when the machine is in transport position 1 ...

Page 36: ...to allow outer sections to move downwards The outer wings unfold until they come into contact with the ground The machine is in working position 2 Putting the machine in headland turn position From the working position Shift tractor single acting valve to raise outer wings The machine is in headland turn position If equipped shift tractor valve in the detented float position 1 2 The headland turn ...

Page 37: ...Slightly lift the machine off the ground using the tractor lift linkage Push lever 1 downwards to free lock 2 from its housing Swivel the wheel until it slips into the hole a b Before adjusting maintaining or repairing the machine turn off ignition key and wait until all moving parts have come to a complete stop The distance between tines and soil is a very important factor with regards to the mac...

Page 38: ... ground contours Below are a few recommendations for your information In dense and average length crop When wilting a crop with low humidity level the speed is approximately of 7 to 8 km h 4 4 5 mph When tedding a more or less dry crop The speed can reach approximately 10 to 12 km h 6 3 7 5 mph The dryer the crop the more the PTO speed must be reduced For a very dense humid crop composed of very l...

Page 39: ...ngs during work 2 DUPLEX gearbox Part no 1116440 The DUPLEX gearbox enables forming night windrows by reducing the rotor rotation speed or maintaining the high rotation speeds necessary for tedding Machine use To tedd Connect PTO shaft to the central gearbox input shaft Fit PTO cover inside the guard to protect the non used pto stub Tine arm deflectors 1 Left turn X12 Right turn X12 ...

Page 40: ...Gyrotedder 38 GF422 Optional equipment 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 ...

Page 41: ...mper 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 This equipment is fitted on the central wheels 1 ...

Page 42: ...ms 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 The safety straps help prevent a broken tine prong to be lost in the crop and damage the baler self loading forage wagon or silage harvester ...

Page 43: ...ts have come to a standstill and apply park brake Check that hydraulic hose valves are shut off After the first 10 hours of use Once per week Every 50 hours Every 200 hours or at the end of the season Lubrication Oil The outer wing hydraulic cylinder pivot pins 3 Pivot points 3 Grease The outer wing pivot pins 3 3 The DIGIDRIVE coupling fingers 3 3 The rotor hubs 3 3 The rotor housings 3 3 Level c...

Page 44: ...oints to be greased Part no 09905400 Clean grease nipples before greasing Maintenance Check Tightness of all bolts and nuts 3 After the first 10 hours of use Once per week Every 50 hours Every 200 hours or at the end of the season Lubricate with SHELL multi purpose grease grade NLGI 2 ...

Page 45: ...r GF422 43 PTO shaft Every 8 hours U joints 1 Every 20 hours transmission tube 2 Every 40 hours guide rings 3 Oil The outer wing hydraulic cylinder pivot pins Pivot points Grease The outer wing pivot pins Oil with SHELL SAE 90 gear oil ...

Page 46: ...Gyrotedder 44 GF422 Maintenance and storage The DIGIDRIVE coupling fingers The rotor hubs The rotor housings ...

Page 47: ...king position Remove 4 bolts 1 Remove cover 2 Check the main gearbox oil content Top up if necessary Install cover 2 Reinstall the 4 bolts 1 Torque to 3 daN m 22 lbf ft 3 Maintenance Check Tightness of all bolts and nuts The central gearbox is lubricated with 0 8 kg 1 76 lb kg of SHELL multi purpose grease grade NLGI2 2 1 ...

Page 48: ...e 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 2 types of tines are fitted on the machine Tines 1 for rotors rotating clockwise a Tines 2 for rotors rotating counterclockwise b Check that the tines are fitted properly with regards to the rotor direction of rotation 2 1 K U H N 1 ...

Page 49: ...assemble the unit Tighten attachment screw Torque 16 daN m 148 lbf ft Respect mounting instructions so that the crop s pressure a closes the coils Check attachment bolt washer and nut Replace if necessary Check that the tine is properly embedded in the tine arm ...

Page 50: ...ck tyre pressure 2 0 bar 29 psi Touch up any areas of damaged paintwork Check and replace worn or damaged tines Put the machine under cover in a dry place At the start of each season Re read the operators manual Check tyre pressure 2 0 bar 29 psi Check that all nuts and bolts are sufficiently tightened Make sure all the guards are in place ...

Page 51: ...Limited warranty Gyrotedder GF422 49 Limited warranty ...

Page 52: ...Gyrotedder 50 GF422 Limited warranty ...

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