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Trouble shooting guide

Disc mower

GMD3510-FF

Trouble shooting guide

Problem

Cause

Remedy

Uneven stubble.

Dull or broken knives.

Replace knives.

Knives not installed correctly.

Make sure the arrow on the

knife upper face is pointing in
the disc's direction of rotation.

Too low PTO speed

(rotational frequency).

Increase speed to 1000 min

-1

Soil build up in front of the

cutterbar.

Too much cutterbar down

pressure.

Increase accumulator

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 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 attachment.

Too long levelling rod

adjustment on tractor 3-point
lift.

Shorten levelling rods on

tractor 3-point lift.

Excessive mowing-

conditioning unit lateral
oscillation in transport position.

Incorrect transport stop

adjustment.

Readjust transport stop.

Содержание GMD3510-FF

Страница 1: ...Original instructions KN161KGB F OPERATOR S MANUAL Disc mower GMD3510 FF KN161KGB F English 07 2010...

Страница 2: ......

Страница 3: ...ND 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 lin...

Страница 4: ...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 specific...

Страница 5: ...ide 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 48 Fast locking 1 3 4 6 spline yoke 48 Lateral signalling equipment for France 47 Mainte...

Страница 6: ...Disc mower 4 GMD3510 FF Identification of the machine Identification of the machine 1 Front view 2 Rear view...

Страница 7: ...lease 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 GMD3510 Serial no TYPE MASSE kg KUHN S A 67700 SAVERN E FR...

Страница 8: ...aised skid shoes 85 mm 3 4 For machines up to serial number A0355 Kit no 1066160 x2 Raised skid shoes 85 mm 3 4 For machines with serial number as from A0356 Kit no 1016420 Lateral signalling equipmen...

Страница 9: ...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...

Страница 10: ...nly 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 impe...

Страница 11: ...lace 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...

Страница 12: ...l 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...

Страница 13: ...ty 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...

Страница 14: ...imum 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...

Страница 15: ...rmity 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 trac...

Страница 16: ...ulic 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...

Страница 17: ...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 fre...

Страница 18: ...fety 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 cl...

Страница 19: ...e 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 re...

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 an...

Страница 21: ...d 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 m...

Страница 22: ...Disc mower 20 GMD3510 FF Safety 3 Location and description of safety decals on the machine Location of safety decals 1 2 3 4 5 6 59900300 59900600 599011001 8 7 3 59900600 3 6 5 9...

Страница 23: ...r 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...

Страница 24: ...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...

Страница 25: ...ower GMD3510 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 opera...

Страница 26: ...ce 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...

Страница 27: ...tand 2 Check chain 3 Hydraulic valve 4 Pressure gauge 5 Connecting frame 6 Hitch pin category 2 7 Cutterbar 8 Central gearbox 9 Lift pump 10 Lift compensating cylinder 11 Hydro pneumatic accumulator 1...

Страница 28: ...70 m 5 6 Height in transport position 1 70 m 5 6 Length in transport position 5 10 m 16 9 Disc rotational speed 2986 min 1 PTO speed 1000 min 1 Weight 922 kg 2032 lb Minimum PTO power requirement 70 k...

Страница 29: ...tion 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...

Страница 30: ...7 pin electric plug for the electrical signalling equipment Preparing the tractor The tractor PTO stub must rotate at a speed of 1000 min 1 The tractor must be fitted with a double acting hydraulic o...

Страница 31: ...Disc mower GMD3510 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 link...

Страница 32: ...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...

Страница 33: ...ransport work cylinder to a double acting valve Preferably select a valve with float position Electrical connections Connect 7 pin plug to the tractor Fit check chain See section Frame height adjustme...

Страница 34: ...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 ma...

Страница 35: ...n 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 Im...

Страница 36: ...n 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 Couple the intermediate PTO shaft on the central gearbo...

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...

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 tensi...

Страница 39: ...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...

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...

Страница 41: ...g 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...

Страница 42: ...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...

Страница 43: ...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...

Страница 44: ...tion 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 80 bar 11...

Страница 45: ...sure is reached close the valve Position 2 Reduce pressure in the hydro pneumatic accumulator Stop the tractor engine Open the valve using 18 box spanner supplied with the machine Position 1 Activate...

Страница 46: ...uctions for work Swathing system The swathing system comprises 1 swath wheel Adjustable The swath width is 2 6 m 8 6 approximately Check that there is a minimum clearance J of 15 mm 0 59 between the c...

Страница 47: ...00 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 guar...

Страница 48: ...er side plates of the cutterbar stiffener 2 Raised skid shoes Kit no 1066080 x2 For machines up to serial number A0355 Kit no 1066160 x2 For machines with serial number as from A0356 The raised skid s...

Страница 49: ...fic signalling lights to comply with the road regulations 4 1 3 8 6 spline pto shaft Kit no 4600415 A specific pto shaft is available as option for tractors equipped with a 1 3 8 6 spline pto stub 5 1...

Страница 50: ...21 spline yoke Kit no 4603256 A specific yoke is available as option for tractors equipped with a 1 3 8 21 spline pto stub 7 Fast locking 1 3 4 6 spline yoke Kit no 4603257 A specific yoke is availabl...

Страница 51: ...rts 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 s...

Страница 52: ...ate PTO shaft Every 250 hours universal joints 1 transmission tube 2 guide rings 3 The grease zerks of the intermediate PTO shaft U joints and guiding bushes are accessible by unlocking the 2 clips of...

Страница 53: ...X 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...

Страница 54: ...el 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...

Страница 55: ...and storage Disc mower GMD3510 FF 53 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 gr...

Страница 56: ...cuit 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 wai...

Страница 57: ...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...

Страница 58: ...nd 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 th...

Страница 59: ...onfiguration possibilities I For machines up to serial number K0355 Coupling device a II For machines up to serial number K0355 Coupling device b or For machines with serial number as from K0356 Coupl...

Страница 60: ...amaged 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 edg...

Страница 61: ...xing 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 Wh...

Страница 62: ...st 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...

Страница 63: ...l 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 Torq...

Страница 64: ...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 th...

Страница 65: ...ck 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 knif...

Страница 66: ...cal 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...

Страница 67: ...tenance and storage Disc mower GMD3510 FF 65 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...

Страница 68: ...F Maintenance and storage 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 p...

Страница 69: ...nt 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 c...

Страница 70: ...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...

Страница 71: ...ng 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...

Страница 72: ...st 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...

Страница 73: ...ial 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 To...

Страница 74: ...ead 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 b...

Страница 75: ...ck 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 knif...

Страница 76: ...cal 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...

Страница 77: ...tenance and storage Disc mower GMD3510 FF 75 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...

Страница 78: ...F Maintenance and storage 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 p...

Страница 79: ...it 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...

Страница 80: ...ect and replace worn knives and bolts See section Inspection of knives and securing elements Depressurize the hydraulic circuit At the start of each season Pressurize the hydraulic circuit before acti...

Страница 81: ...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 spe...

Страница 82: ...8 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...

Страница 83: ...nladen 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 ma...

Страница 84: ...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 wei...

Страница 85: ...al 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 ma...

Страница 86: ...ts 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 su...

Страница 87: ...Appendix Disc mower GMD3510 FF 85 T Axle loads Tractor only T _______kg T _______kg...

Страница 88: ...pty 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 l...

Страница 89: ...urer 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 inspecti...

Страница 90: ...ty 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 an...

Страница 91: ...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...

Страница 92: ...de Nantes F 44680 CHEMERE FRANCE T l 33 0 2 40 21 30 24 Fax 33 0 2 40 64 80 11 Soci t par Action Simplifi e au Capital de 2 000 000 Euros KUHN HUARD S A B P 49 F 44142 CHATEAUBRIANT CEDEX FRANCE T l...

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