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Maintenance and storage

Disc mower

GMD2810-FF

3. Maintenance

Hydro-pneumatic accumulators

The hydro-pneumatic accumulator does not require any

particular maintenance.

Regularly check the tightness of the accumulator fixing

bolts and that no oil has leaked from the hydraulic
circuit (a small oil leak can change settings).

To depressurize the circuit

Place the machine in parking position.

Open valve (1).

Release pressure until the gauge needle reads 0.

Shut-off valve.

Before adjusting, maintaining or repairing
the machine, turn off ignition key and wait
until all moving parts have come to a
complete stop.

Before any work is carried out on a hydraulic
circuit with hydro-pneumatic accumulator,
depressurize the circuit.

It is strictly forbidden to weld, grind or drill
onto a hydro-pneumatic accumulator.

Pressurize the hydraulic circuit before
activating any other hydraulic function of the
machine.

Содержание GMD2810-FF

Страница 1: ...Original instructions KN206KGB E OPERATOR S MANUAL Disc mower GMD2810 FF KN206KGB E English 07 2010 ...

Страница 2: ......

Страница 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...

Страница 4: ...7 Safety instructions 8 Location and description of safety decals on the machine 20 Road safety equipment and recommendations 24 Machine specifications 25 Description and glossary 25 Technical specifications 26 Sound levels 26 Putting into service 27 Description of control elements 27 Coupling and uncoupling 28 Instructions for transport 38 Putting the machine into transport position 38 Conformity...

Страница 5: ...1 Machine use 45 Optional equipment 46 Side deflector kit 46 1 3 8 6 spline pto shaft 47 1 3 8 21 spline pto shaft 47 Fast locking 1 3 8 21 spline yoke 47 Maintenance and storage 48 Frequency chart 48 Lubrication 49 Maintenance 53 Storage 77 Trouble shooting guide 78 Appendix 80 Calculating the load on an axle 80 Limited warranty 86 ...

Страница 6: ...Disc mower 4 GMD2810 FF Identification of the machine Identification of the machine 1 Front view 2 Rear view ...

Страница 7: ...fication 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 GMD2810 Serial no KUHN S A 67700 SAVER ENE FRANC E TYPE MASSE kg KUHN S A 67700 SAVERNE FRANCE N MADE IN FRANCE ...

Страница 8: ...Kit no 1066020 Side deflector kit Kit no 1066080 x2 Raised skid shoes 85 mm 3 4 For machines up to serial number A0014 Kit no 1066160 x2 Raised skid shoes 85 mm 3 4 For machines with serial number as from A0015 Kit no 4600415 1 3 8 6 spline pto shaft Kit no 4600416 1 3 8 21 spline pto shaft Kit no 4603256 Fast locking 1 3 8 21 spline yoke ...

Страница 9: ...es 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 ...

Страница 10: ...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 The operator is also obliged to respect current legislation concerning accident prevention work safety an...

Страница 11: ...place 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...

Страница 12: ...ll 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 Gross weight and weight per axle Always obey current regulations for driving on roads The drawings are not legally binding their only aim is to illustrate the method to use Prior to driving on public roads check that criteria a...

Страница 13: ...pty hoppers and tanks Description Units Description T kg Tractor unladen weight PTAC kg Gross Combined Weight Rating T1 kg Unladen load on tractor front axle T2 kg Empty load on tractor rear axle t kg Axle loads Tractor machine t1 kg Load on front axle Tractor machine t2 kg Load on rear axle Tractor machine t1 max kg Maximum load authorized on the tractor front axle according to the tires t2 max k...

Страница 14: ...nimum front axle load is exceeded Repeat checking procedure Stage 3 To measure Total weight t Tractor machine transport position Ballast weights Checking To go to the next stage Check in the tractor s operator s manual that the value measured is below the tractor s Gross Combined Weight Rating To do If t PTAC go to the next stage If the total unit weight exceeds the tractor Gross Combined Weight R...

Страница 15: ...ormity with the requirements of the tractor manufacturer Example Load on rear axle t2 8500 kg 18740 lb Check in the tractor s operator s manual that the value measured is below the maximum allowed tractor rear axle load Check that tyre and rim specifiations are in conformity with the requirements of the tractor manufacturer Maximum speed Always keep to the legal speed limit for driving a tractor m...

Страница 16: ...aulic 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 th...

Страница 17: ...n 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 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 freque...

Страница 18: ...afety 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 Waste disposal Respect the environment Never spill pollutants oil grease filters etc on the ground never pour them do...

Страница 19: ...ke Rest the machine on the ground release the pressure from the hydraulic circuit and leave the machine to cool down Make sure that the parts of the machine that need to be lifted for maintenance or repair work are firmly propped up Before any work is done on the electric circuit or before any electric welding is carried out on the attached machine disconnect the machine from the tractor electrica...

Страница 20: ... height to avoid contact with stones or rocks Never start a mower conditioner when other people are close 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 The protection covers help reducing risks of projection...

Страница 21: ...ed or missing cover Before engaging the PTO rest the cutterbar on the ground Make sure all the guards are in place Keep all persons and animals away from the danger zone Stay a safe distance from the machine when the cutting tools are in movement Never work in reverse After disengaging the PTO drive cuttings tools can continue rotating for some time Stay away from the machine until all moving part...

Страница 22: ...Disc mower 20 GMD2810 FF Safety 3 Location and description of safety decals on the machine Location of safety decals 1 4 5 6 7 8 5 3 6 59900300 59900600 599011001 3 59900600 9 2 3 1 ...

Страница 23: ...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 The protection covers must always be in position and in good condition Always stay at a safe distance from the machine Crushing area 4...

Страница 24: ...aged 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 For your own safety and for correct machine operation only use original manufacturer parts Do not step on the machine 8 Do not step on the machine Risk of falling or damaging the protection device 59...

Страница 25: ...mower GMD2810 FF 23 Danger accumulator 9 The hydraulic accumulator contains gaz and oil under pressure To park the machine or carry out maintenance work conform with the instructions given in the operator s manual ...

Страница 26: ...ice comprises A signalling light 1 A signalling panel 2 1 red reflector 3 The side device comprises 2 amber reflectors 1 on each machine side Always keep to the legal speed limit for driving a tractor machine assembly on public roads Instructions specific to France To conform with the current road regulations the machine must be fitted with specific signalling panels when driving on public roads 2...

Страница 27: ...ary 0 1 Parking stand 2 Check chain 3 Front guard 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 Work transport cylinder 13 Transport lock 14 Side gearbox 5 6 7 1 14 3 2 4 8 9 10 11 13 12 ...

Страница 28: ...n 1 79 m 5 10 Height in transport position 1 90 m 6 3 Length in transport position 4 21 m 13 10 Disc rotational speed 2986 min 1 PTO speed 540 min 1 Ground 760 kg 1675 lb Minimum PTO power requirement 36 kW 49 hp 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 conti...

Страница 29: ...ption 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 to carry out certain adjustment and maintenance tasks Separate packet The machine is supplied with a tool for replacing the knives ...

Страница 30: ... A 7 pin electric plug for the electrical signalling equipment Preparing the tractor The tractor PTO stub must rotate at a speed of 540 min 1 The tractor must be fitted with a double acting hydraulic outlet with float position 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...

Страница 31: ... Disc mower GMD2810 FF 29 Preparing the machine Linkage adjustment Measure dimension A If measure A is below 2 20 m 7 3 Place lower links in position a If measure A exceeds 2 20 m 7 33 Place lower links in position b A a b ...

Страница 32: ...pin 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 stand no longer rests on the ground Remove lynch pin 1 Remove lock pin 2 Raise parking stand 3 Reinstall lock pin 2 Lock the drawbar with the pin 1 This procedure provides maximum machine clearance in transport position This top link position provides ...

Страница 33: ...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 section Frame height adjustment to position the check chain The machine hydraulic suspension circuit is pressurized at the factory 1 2 ...

Страница 34: ...st 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 tubes Grease the inside of the outer tube Never operate the PTO shaft at an angle X exceeding ...

Страница 35: ...ine 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 Uncouple the intermediate PTO shaft from the central gearbox Immediately replace any worn or damaged guard Before adjusting maintaining or repairing the machine turn off ignition key and wait until all moving parts have come to a complete stop Before the mac...

Страница 36: ...0 FF Putting into service Tighten nuts to release the friction discs Let the friction discs slip for a few seconds Thread nuts away until they bottom against the threaded studs The friction slip clutch is ready to function ...

Страница 37: ... measure is obtained on each side Note the difference in 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 cutterbar on the ground Adjust the tractor left levelling rod according to the difference in height Place the machine in headland turn position Check ...

Страница 38: ... 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 tension The tractor lift linkage is in working position The height is correct when The cutterbar is resting on the ground The check chain is under tension The distance H 550 mm 1 10 The 2 hitch pins are p...

Страница 39: ... the ground Uncouple the PTO shaft Place PTO shaft in its support 1 Disconnect the hydraulic hoses 2 Disconnect electric signalling plug 3 Place hydraulic hoses and electric signalling plug in their respective supports Detach the top link from the machine end Release the lower links Lower the tractor three point linkage The machine is uncoupled For tractors not fitted with a hydraulic position con...

Страница 40: ...n 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 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 If the intermediate pto shaft torque limiter 2 has beco...

Страница 41: ...ng 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 on public roads ensure that the machine complies with current highway code regulations Immediately replace any worn or damaged signalling panels or lights ...

Страница 42: ...g 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 nobody is within the machine pivoting area If there is someone make sure the person moves away If the tractor is fitted with a hydraulic valve with adjustable flow rate reduce oil flow to limit pivoting spe...

Страница 43: ...on 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 the machine tilt angle can be adjusted in working position The maximum cutting height L1 60 mm 2 4 is obtained when the discs are parallel to the ground The minimum cutting height must not be below L...

Страница 44: ...ition 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 78 bar 1131 psi MINIMUM operating pressure 67 bar 972 psi MAXIMUM operating pressure 94 bar 1363 psi The pressure must be adapted to the nature and moisture degree of the ground The ground pressure adjustment...

Страница 45: ...d 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 Activate the transport work cylinder control valve in the pivot into transport position Check the pressure decrease indication on the gauge When the required pressure is reached close the valve The following a...

Страница 46: ... Instructions for work Swathing system The swathing system comprises 2 Swath wheels The swath width is 1 7 m 5 7 approximately Check that there is a minimum clearance J of 15 mm 0 59 between the cone rib and the swath wheel J ...

Страница 47: ...540 min 1 Only use the mowing unit lift cylinders to lift the machine from working position into headland turn position Groundspeed Before mowing and to reduce risks of projections lower the front guard Keep all persons and animals away from the machine danger zone Never lean or step on the protection cover Adapt the forward speed to the working conditions ...

Страница 48: ...ter side plates of the cutterbar stiffener 2 Raised skid shoes Kit no 1066080 x2 For machines up to serial number A0014 Kit no 1066160 x2 For machines with serial number as from A0015 The raised skid shoes enable mowing higher between 60 and 120 mm 2 4 4 8 Replace the end disc skids by the 2 raised skid shoes Equipment delivered depending on country The use of raised skid shoes is also recommended...

Страница 49: ... tractors equipped with a 1 3 8 6 spline pto stub 4 1 3 8 21 spline pto shaft Part no 4600416 A specific pto shaft is available as option for tractors equipped with a 1 3 8 21 spline pto stub 5 Fast locking 1 3 8 21 spline yoke Part no 4603256 A specific yoke is available as option for tractors equipped with a 1 3 8 21 spline pto stub ...

Страница 50: ...arts have come to a complete stop Maintenance intervals are indicated for normal conditions of use Every 30 hours Every 50 hours Every 200 hours or at the end of the season Lubrication Oil change The side angle gearbox Central gearbox 3 Oil The moving parts and pivot points 3 Grease the cutterbar connecting frame pivot pin The mowing unit pivot pin 3 The mowing unit lift cylinder ball joint 3 ...

Страница 51: ...3 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 of the 2 guard cones 1 The profiled tubes are lubricated by grease zerk 3 Slide the black collar 2 If necessary rotate a disc to access the grease zerk Slide the black collar back in place when lub...

Страница 52: ...AX level corresponds to mark A on the dipstick MIN level corresponds to mark B on the dipstick Reinstall dipstick plug 1 Before draining oil operate the machine for a few minutes so that the oil warms up The angle gearbox is lubricated with 0 7 L 0 18 US gal of SHELL SPIRAX A extreme pressure oil for mechanical transmissions with viscosity grade SAE 80W90 and API grade GL5 When draining and refill...

Страница 53: ...vel must reach the lower edge of the emptying hole Clean and reinstall filler plug 1 and its seal Replace if necessary 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 SHELL SPIRAX A extreme pressure oil for mechanical transmissions with viscosity grade SAE 80W90 and API grade GL5 When draining and refilling...

Страница 54: ...52 GMD2810 FF Maintenance and storage Oil The moving parts and pivot points Grease The mowing unit lift cylinder ball joint 1 The mowing unit pivot pin 1 the cutterbar connecting frame pivot pin 2 2 greasers 1 1 2 ...

Страница 55: ...uit Place the machine in parking position Open valve 1 Release pressure until the gauge needle reads 0 Shut off valve Before adjusting maintaining or repairing the machine turn off ignition key and wait until all moving parts have come to a complete stop Before any work is carried out on a hydraulic circuit with hydro pneumatic accumulator depressurize the circuit It is strictly forbidden to weld ...

Страница 56: ... 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 counter nut 2 Bring stop 1 in contact with damper 3 Give transport stop 1 2 additional preload turns Tighten counter nut 2 Replacement Replace damper 3 when worn or when it no longer has a dampening effect The flexible stop 1 must protrude of...

Страница 57: ...and quality through the opening of the filler plug Reinstall inner disk skid The cutterbar is lubricated for life and requires no periodic maintenance If in doubt as to the oil quantity contained in the cutterbar fully drain and refill cutterbar respecting recommended oil quantity and quality Following all service operations or in case of an oil leak empty an refill cutterbar Before draining oil o...

Страница 58: ...configuration possibilities I For machines up to serial number K0014 Coupling device a II For machines up to serial number K0014 Coupling device b or For machines with serial number as from K0015 Coupling device a Coupling device b New spring plate New spring plate Never mount a knife in configuration b with a spring plate in configuration a Never fit a bolt in configuration a with spring plate in...

Страница 59: ...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 edge must exceed 20 mm 0 78 The hole L for the securing bolt must not become oval by more than 22 mm 0 86 Always replace both knives per disc to avoid creating an out of balance force I For machines up ...

Страница 60: ...ixing bolts should be changed in the following cases 2 When there is visible distortion When the locking compound is worn or inoperational When the bolt head wear reaches the center line of the bolt When diameter D of the bolt shoulder is less than 11 mm 0 43 See section Disc replacement The radial play between a worn bolt and a new knife must not exceed d 10 mm 0 4 D d 1 2 3 ...

Страница 61: ...ust exceed 74 mm 2 9 Knife replacement Check the condition of the fixing elements regularly and also the torque of the knife fixing bolt Torque 12 daN m 89 lbf ft See section Spring plate replacement a A B 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...

Страница 62: ...al tool between disc and spring plate 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 daN m 89 lbf ft Dull knives require more horse power and have a negative effect on the cut quality Bolt Part no K6801010 2 Nut Part no 80201262 1 1 2 3 ...

Страница 63: ...n of rotation Pivot special tool downwards to free spring plate from screw head Insert the new knife on the screw head Knife for disk rotating to the left Part no K6801410 Knife for disk rotating to the right Part no K6801420 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 a b c ...

Страница 64: ...eck that screw head 2 is free to slide in spring plate hole 3 Remove special tool Rotate disk by half a turn Repeat previous tasks Repeat previous tasks on the other disks After replacing the last knife check that the tool has been removed and put away ...

Страница 65: ...ical washers Remove disc cover 1 Remove the disc 2 Replace worn or damaged disk with a new disk Reinstalling Refit the disc 2 Respect disc direction of rotation according to fitting of knives Make sure the arrow on the knife upper face is pointing in the disc s direction of rotation Reinstall disc cover 1 Respect an X of 90 between neighboring discs 1 2 2 1 X X A A ...

Страница 66: ...c mower 64 GMD2810 FF Maintenance and storage Reinstall bolts 1 and their conical washers Position conical centre of washers at the top Torque bolts to 1 Torque 12 daN m 89 lbf ft Remove locking piece 1 1 ...

Страница 67: ...e Disc mower GMD2810 FF 65 Check that there is a minimum play of 1 mm 0 04 between the spring plate and the cutter bar skids Otherwise position spacer s two maximum between the housing and the spring plate Part no 56807100 X ...

Страница 68: ...ent Inner disc Intermediate discs Remove the disc See section Disc replacement Remove spring plate 1 Refit the disc See section Disc replacement The replacement of the inner disc spring plate must be carried out by a Kuhn authorized dealer Spring plate Part no K6801090 1 ...

Страница 69: ... 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 edge must exceed 20 mm 0 78 The hole L for the securing bolt must not become oval by more than 22 mm 0 86 Always replace both knives per disc to avoid creating an out of balance force II For machines up to serial number K0014 C...

Страница 70: ...ing bolts should be changed in the following cases 2 When there is visible distortion When the locking compound is worn or inoperational When the bolt head wear reaches the center line of the bolt When diameter D of the bolt shoulder is less than 11 mm 0 43 See section Disc replacement The radial play between a worn bolt and a new knife must not exceed d 10 mm 0 4 D d 1 2 3 ...

Страница 71: ...ust exceed 60 mm 2 4 Knife replacement Check the condition of the fixing elements regularly and also the torque of the knife fixing bolt Torque 12 daN m 89 lbf ft See section Spring plate replacement a A B 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...

Страница 72: ...cial tool between disc and spring plate 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 daN m 89 lbf ft Dull knives require more horse power and have a negative effect on the cut quality Bolt Part no K6801011 Nut Part no 80201262 1 2 3 ...

Страница 73: ...head Insert the new knife on the screw head Knife for disk rotating to the left Part no K6802970 Knife for disk rotating to the right Part no K6802980 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 a b c ...

Страница 74: ...eck that screw head 2 is free to slide in spring plate hole 3 Remove special tool Rotate disk by half a turn Repeat previous tasks Repeat previous tasks on the other disks After replacing the last knife check that the tool has been removed and put away ...

Страница 75: ...ical washers Remove disc cover 1 Remove the disc 2 Replace worn or damaged disk with a new disk Reinstalling Refit the disc 2 Respect disc direction of rotation according to fitting of knives Make sure the arrow on the knife upper face is pointing in the disc s direction of rotation Reinstall disc cover 1 Respect an X of 90 between neighboring discs 1 2 2 1 X X A A ...

Страница 76: ...c mower 74 GMD2810 FF Maintenance and storage Reinstall bolts 1 and their conical washers Position conical centre of washers at the top Torque bolts to 1 Torque 12 daN m 89 lbf ft Remove locking piece 1 1 ...

Страница 77: ...e Disc mower GMD2810 FF 75 Check that there is a minimum play of 1 mm 0 04 between the spring plate and the cutter bar skids Otherwise position spacer s two maximum between the housing and the spring plate Part no 56807100 X ...

Страница 78: ...fit the disc See section Disc replacement Outer and inner cones Check torque of attachment bolts 1 of outer and inner cone covers 2 and 3 Torque 6 daN m 44 lbf ft Replace any lost or damaged cover The replacement of the inner disc spring plate must be carried out by a Kuhn authorized dealer Spring plate Part no K6803410 1 Cover 2 Part no 56803400 3 Part no 56806610 1 1 3 2 ...

Страница 79: ...section Inspection of knives and securing elements Depressurize all hydraulic functions At the start of each season Pressurize the hydraulic circuit before activating any other hydraulic function of the machine Check the condition of the friction slip clutch see Secondary pto shaft chapter Inspect and replace worn knives and bolts see cutterbar chapter Check that all nuts and bolts are sufficientl...

Страница 80: ...rking 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 ground Excessive ground speed Reduce ground speed Insufficient ground pressure Reduce accumulator pressure Insufficient cutterbar ground clearance in headland turn position Incorrect tractor lift linkage setting See machine att...

Страница 81: ...18 box spanner supplied with the machine Shift the tractor hydraulic valve in the direction for placing the machine in working position to pressurize the circuit 100 110 bar 1450 1585 psi Shut off the hydraulic valve Shift the tractor s hydraulic valve in float position There are 3 possibilities a The pressure on the gauge drops 0 bar Repeat previous tasks b The pressure on the gauge drops The pre...

Страница 82: ...unladen weight T1 kg Unladen load on tractor front axle T2 kg Empty load on tractor rear axle t kg Axle loads Tractor machine t1 kg Load on front axle Tractor machine t2 kg Load on rear axle Tractor machine M1 kg Total weight of front tool or front ballast M2 kg Total weight of rear tool or rear ballast a m Distance between the tools centre of gravity or the front ballast and the front axle centre...

Страница 83: ... required minimum front load is reached Indicate front axle calculated load value and the one indicated in the tractor operators manual T1 real M1 x a b T1 x b M2 x c d b 4 Calculation of the total weight M real If the rear tool M2 is lighter than the minimum load required at the rear minimum increase tool weight until the required minimum rear load is reached Indicate calculated total load value ...

Страница 84: ...ual Double value of the authorized capacity per tyre 2 tyres Minimum front rear ballasting kg Total weight kg kg Load on front axle kg kg kg Load on rear axle kg kg kg The minimum ballasting must be made by fitting a tool or an additional mass to the tractor The values obtained must be below or equal the authorized values ...

Страница 85: ...its centre of gravity d Tractor only T1 Load on front axle Tractor only T2 Load on rear axle Tractor only If the data required to calculate the total weight axle loads and minimum ballasting are not supplied use the following method T1 T2 T1 _______kg T1 _______kg T2 _______kg T2 _______kg ...

Страница 86: ...Disc mower 84 GMD2810 FF Appendix T Axle loads Tractor only T _______kg T _______kg ...

Страница 87: ...mpty Calculating the rear tool weight M2 M2 T t Calculating the distance d d b x T1 t1 M2 c 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 b c d t1 t2 M2 t1 _______kg t1 _______kg t _______kg t _______kg ...

Страница 88: ...turer concerned in as much as the latter justifies such a claim This Limited Warranty 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 an accident lent out or used for purposes other than those for which it was intended by the Company This Limited War...

Страница 89: ...ity 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 f...

Страница 90: ...e serial number conforms to the requirements of the European directive 2006 42 CE conforms to the requirements of following European harmonized standards EN 1553 NF U 02 007 EN 703 EN 708 EN 745 A1 EN 907 EN 14017 EN 14018 EN ISO 4254 6 conforms to the requirements of following standards or technical specifications Name and address of the person authorised to compile the technical file Made in Sav...

Страница 91: ......

Страница 92: ...e de Nantes F 44680 CHEMERE FRANCE Tél 33 0 2 40 21 30 24 Fax 33 0 2 40 64 80 11 Société par Action Simplifiée au Capital de 2 000 000 Euros KUHN HUARD S A B P 49 F 44142 CHATEAUBRIANT CEDEX FRANCE Tél 33 0 2 40 55 77 00 Fax 33 0 2 40 55 77 10 Société Anonyme au Capital de 4 800 000 Euros KUHN GELDROP B V P O Box 9 5660 AA GELDROP THE NETHERLANDS Tél 31 0 40 289 33 00 Fax 31 0 40 285 78 95 KUHN NO...

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