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Disc mower

58

GMD602 GII

Limited warranty

■ The Limited Warranty is dependent on the strict observance of the following 

conditions:

-  The machine has been put in service by the dealer according to our instructions.
-  The warranty/product registration form has been correctly completed by the dealer and the retail purchaser, 

dated, signed by the dealer and the retail purchaser and returned to the address indicated on the 
warranty/product registration form as soon as the machine had been put in service.

-  The warranty claim is submitted on a KUHN warranty claim form, and is sent to the Company (preferably via 

extranet - www.kuhnsa.com) within one month after the date of failure or the date of problem becoming 
apparent.

-  The claim must be filled in legibly by the dealer and following information must be mentioned. 

  ●  Dealer’s name and address
  ●  Name and address of retail purchaser
  ●  Exact type of machine
  ●  Machine serial number
  ●  Date of delivery to the retail purchaser
  ●  Date of failure
  ●  Number of hours of use or area (hectares, acres) worked
  ●  Power of tractor used
  ●  PTO speed (if applicable)
  ●  Detailed description and estimated cause of the failure
  ●  Quantity, reference number and name of the damaged parts
  ●  Invoice number and invoicing date for replacement parts.

-  The dealer has stored the damaged parts safely and labelled them clearly so that they can be recognised and 

returned to the Company if requested. They must be retained until a credit note has been issued to cover the 
parts. Carriage charges for the return of said parts are borne by the sender. 

-  The machine has been used and maintained according to the instructions in the operator’s manual. The quality 

and quantity of lubricants used must always be in accordance with Company specifications.

-  The safety measures mentioned in the Operator’s manual and on the machine itself have been followed, and 

all the guards and protective elements, of whatever nature, have been inspected regularly and maintained in 
perfect working order.

-  The judgment of the Company in all case of claims under this Limited Warranty shall be final and conclusive 

and the retail purchaser agrees to accept its decisions.

-  If damaged parts have been returned to the Company and Warranty is refused , the dealer is allowed a period 

of 1 month from the date of receiving our letter of decision to request the return of the damaged parts to the 
dealer site.

■ Further conditions: limits of application and responsibility

-  This Limited Warranty can not be assigned or transferred to anyone without the prior written consent of the 

Company.

-  Authorized KUHN Dealers have no right or authority to assume any obligation or take any decision on the 

Company’s  behalf, whether expressly or tacitly.

-  Technical assistance given by the Company or its agents for repairing or operating equipment does not lead 

to any responsibility on the Company’s behalf and cannot under any circumstances bring novation or 
derogation to the conditions of the present Limited Warranty.

- The Company reserves the right to incorporate changes in its machines without prior notice and without 

obligation to apply these changes to machines previously manufactured.

- Moreover, because of the constant progress in technology, no guarantee is given to the descriptions of 

equipment published in any document by the Company.

-  The present Limited Warranty excludes any other responsibility, whether legal or conventional, express or 

implied, and there are no warranties extending beyond those defined herein.

Summary of Contents for GMD602 GII

Page 1: ...OPERATOR S MANUAL Disc mower GMD602 GII KN011FGB F English 01 2007...

Page 2: ......

Page 3: ...NTAIN 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 g...

Page 4: ...Safety instructions 7 Location and description of safety decals on the machine 15 Road safety equipment and recommendations 18 Machine specifications 19 Description and glossary 19 Technical specific...

Page 5: ...ork position 34 Adjustments in working position 35 Machine use 39 Optional equipment 40 Raised skid shoes 40 Side deflector kit 40 Large cone discs 40 Maintenance and storage 41 Frequency chart 41 Lub...

Page 6: ...Disc mower 4 GMD602 GII Identification of the machine IDENTIFICATION OF THE MACHINE 1 Front view 2 Rear view...

Page 7: ...r all spare parts orders Type GMD602 GII No 4 Optional equipment Tick box corresponding to the equipment fitted on your machine TYPE MASSE kg KUHN S A 67700 SAVERN E FRANCE N MADE IN FRAN CE TYPE MASS...

Page 8: ...s 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 re...

Page 9: ...nly be operated maintained and repaired by competent persons who are familiar with machine specifications and operation and aware of safety regulations for preventing accidents The operator must imper...

Page 10: ...firmly in place and in good condition Immediately replace any worn or damaged guard Precautions when driving Precision steering tractor adherence road holding and efficient braking are influenced by...

Page 11: ...es 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 t...

Page 12: ...hydraulic circuit To avoid making wrong connections mark hydraulic couplers and corresponding hoses with colours WARNING Functions could be reversed for example lift lower and cause accidents Regularl...

Page 13: ...on the 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 f...

Page 14: ...y warning decals to respect 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 d...

Page 15: ...ssure 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 protectors...

Page 16: ...Immediately replace any worn damaged or missing cutting tool or element To do this use the tool outfit supplied with the machine For your safety only use genuine parts Regularly check the condition o...

Page 17: ...Safety Disc mower GMD602 GII 15 3 Location and description of safety decals on the machine Location of safety decals 1 5 3 3 6 6 2 7 4 5 8 3 599011001 59900800 59900800 59900600...

Page 18: ...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 othe...

Page 19: ...ged and the moving parts have not come to a complete stop Cutting tools 7 The cutting tools and their attachment hardware meet safety and reliability criteria set by standards and by the manufacturer...

Page 20: ...ety equipment is mounted in the factory or by your authorized dealer according to current safety regulations The device is composed of A signalling light 1 A signalling panel 2 A reflector 3 Always ke...

Page 21: ...ing stand 2 Check chain 3 Hydraulic valve 4 Pressure gauge 5 Connecting frame 6 Hitch pins 7 Cutterbar 8 Central gearbox 9 Lift pump 10 Lift compensating cylinder 11 Hydro pneumatic accumulators 12 Wo...

Page 22: ...transport position 1 90 m 6 3 Length in transport position 3 95 m 12 11 Disc rotational speed 2986 min 1 PTO speed 540 min 1 Weight 710 kg 1565 lb Minimum PTO power requirement 30 kW 40 hp Sound level...

Page 23: ...18 mm box wrench 1 to carry out certain adjustment and maintenance tasks 2 Coupling and uncoupling The machine adapts to tractors fitted with a 3 point linkage category 2 Description of coupling elem...

Page 24: ...Check that the tractor s authorized gross weight as well as its lift capacity and maximum weight per axle are not surpassed The front axle load 1 must never under any circumstances be less than 20 of...

Page 25: ...isc mower GMD602 GII 23 Preparing the machine Linkage adjustment Measure dimension A If measure A is below 2 20 m 7 33 Place lower links in position a If measure A exceeds 2 20 m 7 33 Place lower link...

Page 26: ...to the hitch pins Rest the machine on its parking stand Attach top link To lower holes on tractor side To upper holes on machine side Lift the machine using the tractor lift linkage until the parking...

Page 27: ...hydraulic hoses of the transport work cylinder to a double acting valve with float position Electrical CONNECTIONS Connect 7 pin plug to the tractor Fit check chain See chapter Frame height and check...

Page 28: ...m 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 max...

Page 29: ...ne in working position Press vertically on the 2 lugs using a screwdriver to release the PTO shaft guard Slide the guard along the PTO shaft Remove the secondary PTO shaft from the central gearbox Imm...

Page 30: ...scs Rotate the torque limitor s hub a few turns Thread nuts away until they bottom against the threaded studs The friction slip clutch is ready to function Adjusting the machine Positioning of lower l...

Page 31: ...height between the two hitch pins Place the machine in transport position Pull on cord to release latch Activate the transport work cylinder to bring the mowing unit in transport position Rest cutterb...

Page 32: ...ground Attach each check chain with its hook supplied with the machine to one of the upper free holes at the tractor s top link attachment clevis Lower the machine until the check chain is under tensi...

Page 33: ...ground Uncouple the PTO shaft Place PTO shaft in its support 1 Disconnect hydraulic hoses and electric plug Place hydraulic hoses and electric signalling plug in their respective supports 2 Detach th...

Page 34: ...wing unit in transport position Release cord The machine automatically locks in transport position The machine is in transport position Before placing the machine into transport position Wait until th...

Page 35: ...hting equipment functions before going on public roads Before driving onto a main road ensure that upper edge of signalling panel is not more than 1 5 m 4 11 from the ground Before driving the machine...

Page 36: ...mowing unit lift cylinder Shift the mowing unit lift cylinder directional control valve in float position The machine is in working position Before placing the machine in working position Check that n...

Page 37: ...n Lower the machine on the ground to remove weight from the top link Modify the top link length to alter the machine tilt angle Check cutting height If the tractor is fitted with a hydraulic top link...

Page 38: ...ial position To check the ground pressure Place the machine in working position Check that the chassis height is correct H 550 mm 1 10 Check the pressure given on the gauge NORMAL operating pressure 6...

Page 39: ...uired pressure is reached close the valve Position 2 Decreasing pressure in the hydro pneumatic accumulators Stop the tractor engine Open the valve using 18 box spanner supplied with the machine Activ...

Page 40: ...ing system The swathing system comprises 2 swath wheels Adjustable The transversal adjustment A of the swath wheel is 5 mm 0 19 approximately The angular adjustment X of the swath wheel is 2 approxima...

Page 41: ...o lift the machine from working position into headland turn position Groundspeed Check that there is a minimum clearance J of 15 mm 0 59 between the cone rib and the swath wheel J Before mowing and to...

Page 42: ...es 2 Side deflector kit Kit no 1036330 The side deflectors are recommended for mowing dense or down crops with long stems Fit the 2 side deflectors on the outer side plates of the cutterbar stiffener...

Page 43: ...ave come to a complete stop After the first 10 hours of use Every 30 hours Every 50 hours Every 200 hours or at the end of the season Cutterbar draining and refilling 3 3 Grease the ball joint of the...

Page 44: ...Secondary PTO shaft Every 250 hours universal joints 1 transmission tube 2 guide rings 3 The grease zerks of the secondary PTO shaft U joints and guiding bushes are accessible by unlocking the 2 clips...

Page 45: ...quantity and quality through the opening of the filler plug Clean and reinstall filler plug 2 and its washer Replace if necessary Before draining oil operate the machine for a few minutes so that the...

Page 46: ...MD602 GII Maintenance and storage Grease the ball joint 1 of the mowing unit lift cylinder Lubricate moving parts and articulations Grease the mowing unit pivot pin 1 the cutterbar connecting frame pi...

Page 47: ...e MAX level corresponds to the mark on the dipstick plug The MIN level corresponds to the end of the disptick plug Before draining oil operate the machine for a few minutes so that the oil warms up Th...

Page 48: ...ning of the filler plug 1 Check central gearbox oil level Before draining oil operate the machine for a few minutes so that the oil warms up The angle gearbox is lubricated with 2 3 L 0 6 US gal of SH...

Page 49: ...Place the machine in parking position Open valve Release pressure until the gauge needle reads 0 Shut off valve Before adjusting maintaining or repairing the machine turn off ignition key and wait un...

Page 50: ...stiffener equals measure A 577 mm 1 10 4 mm 0 15 Transport stop The transport stop 1 limits the machine s oscillation during transport Adjustment Place the machine in transport position Loosen counte...

Page 51: ...gs and their seals 1 and 2 Replace if necessary If in doubt as to the oil quantity contained in the cutterbar fully drain and refill cutterbar respecting recommended oil quantity and quality Before ch...

Page 52: ...Damaged knives Very rough conditions can cause knives to crack and become deformed Worn knives Knife length C must exceed 65 mm 2 6 Knife width B measured at a distance A of 10 mm 0 4 from the disc e...

Page 53: ...rn or inoperational When the bolt head wear reaches the knife contact area When diameter D of the bolt shoulder is less than 15 mm 0 6 After having been removed 5 times Replace nuts in the following c...

Page 54: ...12 daN m 89 lbf ft Dull knives require more horse power and have a negative effect on the cut quality Disc replacement Place a wooden wegde 2 between two discs to stop them from moving Remove 2 bolts...

Page 55: ...ne covers 2 and 3 6 daN m 44 lbf ft Replace any lost or damaged cover 2 Part no 56803400 3 Part no 56806610 Check if there is still a gap of 1 mm 0 04 between the disc lower part and the cutterbar wea...

Page 56: ...on Inspection of knives and securing elements Depressurize all hydraulic functions At the start of each season Read through the operator s manual again Pressurize the hydraulic circuit before activati...

Page 57: ...or pressure Very wet working conditions Adjust main frame height with regards to the ground Bad ground contour adaptation Incorrect main frame setting Adjust main frame height with regards to the grou...

Page 58: ...n cylinder are connected to a double acting valve with float position Open the hydraulic valve using the 18mm box spanner supplied with the machine Shift the tractor hydraulic valve in the direction f...

Page 59: ...y does not apply to failure through normal wear and tear to damage resulting from negligence or from lack of inspection from misuse from lack of maintenance and or if the machine has been involved in...

Page 60: ...he quality and quantity of lubricants used must always be in accordance with Company specifications The safety measures mentioned in the Operator s manual and on the machine itself have been followed...

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Page 64: ...t Anonyme au Capital de 2 530 000 Euros KUHN HUARD S A B P 49 F 44142 CHATEAUBRIANT CEDEX FRANCE T l 33 0 2 40 55 77 00 Fax 33 0 2 40 55 77 10 www kuhnsa com E mail info kuhnsa com Soci t Anonyme au C...

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