KUHN GMD 602 F Assembly & Operators Manual Download Page 1

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ASSEMBLY / OPERATORS

MANUAL

FRONT MOUNTED MOWER

GMD 602 F - GMD 702 F - GMD 802 F

N° 95006 C.GB - 06.2001

Summary of Contents for GMD 602 F

Page 1: ...ASSEMBLY OPERATORS MANUAL FRONT MOUNTED MOWER GMD 602 F GMD 702 F GMD 802 F N 95006 C GB 06 2001 ...

Page 2: ...l instruct you on the general operation of your machine He is interested that you get the best performance possible and will be glad to answer any special questions that may arise regarding the operation of the KUHN 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 ass...

Page 3: ...irement 12 Adapting the mower to the tractor 13 Transportingthemower 19 Working position 20 Using the mower 21 Adjustments 22 Detachingthemower 23 Lubrication 24 Maintenance 28 Inspection of knives securing elements 30 Storing the mower 32 Optionalequipment 32 Troubleshootingguide 33 Limitedwarranty 34 Copyright 2001 KUHN S A ...

Page 4: ... of the machine also means following operation maintenance and repair recommendations given by the manufacturer using only genuine spare parts equipment and accessories as designated by the manufacturer TheGMD602F GMD702F GMD802Ffrontmountedmowersmustonlybeoperated maintainedandrepaired by competent persons who are familiar with machine specifications and operation and are aware of any danger invo...

Page 5: ...s 10 When attaching or removing the machine place the parking stand into the corresponding position 11 Special care should be taken when attaching or removing the machine from the tractor 12 Before attaching the machine make sure that the maximum permitted front axle weight and gross weight of the combination are not exceeded 13 Do not exceed the maximum permitted length and width authorized by ro...

Page 6: ...annot be started up accidentally ATTACHMENT 1 When attaching or removing the machine from the tractor position hydraulic lift control lever in such a way that it cannot be set off accidentally 2 WARNING Danger of crushing and shearing can exist in the lifting zone of the 3 point linkage 3 Do not stand between the tractor and the machine when operating the outer control lever of the lift mechanism ...

Page 7: ...ulic motors or cylinders ensure that connections have been made correctly as per manufacturer sinstructions 3 Before connecting hoses to the tractor hydraulics ensure that tractor and machine circuits are not under pressure 4 It is strongly recommended that the operator marks the hydraulic connections between tractor and machine to avoid making a wrong connection WARNING Functions could be reverse...

Page 8: ...rings accumulators etc must only be carried out by competent persons with standardized equipment SPECIAL SAFETY RECOMMENDATIONS 1 Stay a safe distance away from the mower when discs are rotating 2 For safe machine operation it is imperative that cutting tools be fitted in accordance with the manufacturer s recommendations Use only the tool outfit supplied with the machine 3 Each time before using ...

Page 9: ...s therefore imperativethateveryonebekeptawayfromthedangerzone thatextracarebetakenandthatextra precaution such as safety indicators be taken when mowing pastures alongside roads or near public areas parks schools etc 12 Never mow in reverse 13 When disengaging the PTO drive moving parts continue to rotate for some time Wait for all moving parts to come to a complete stop before approaching the mac...

Page 10: ... ON YOUR MACHINE IN THE AREAS INDICATED THEY ARE INTENDED FOR YOUR PERSONAL SAFETY AND FOR THE SAFETY OF THE PEOPLE WORKING WITH YOU THE TEXT SHOWN ON THEM GIVES THEIR PRECISE MEANING ENSURE THAT THESE PICTORIALS ARE ALWAYS LEGIBLE IF THEY ARE NOT REPLACE THEM OPTION ...

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Page 12: ...2 hp 36 kW 49 hp 41kW 56 CV PTOspeed rotationalfrequency rotating clockwise or counterclockwise GMD 602 F 702 F 802 F 1000 rpm min 1 1000 rpm min 1 GMD 602 F 702 F 802 F 540 1000 rpm min 1 540 or 1000 rpm min 1 option Primary P TO shaft 1 3 8 6 splines Lift system hydraulic hydraulic hydraulic Weight with PTO shaft approx 735kg 1617 lbs 805 kg 1771 lbs 880 kg 1936 lbs TECHNICAL SPECIFICATIONS Adju...

Page 13: ...l light marked R on its black connector terminal to the rear side of the right reflector board Layoutthewiringharnessusingphotos2 3and4asaguide Thewiringharnessisfixedontheframewith4clamp collarsandself adhesivecollarholders 7 andontothehydraulichoseswith9clampcollars 8 length140mm photos 2 3 and 4 Make sure to thread the wiring harnesses through holes O photos 2 and 3 Plug the harness connectors ...

Page 14: ...The machine is supplied with a male hydraulic coupler conforming to ISO 5676 The tractor is to be equipped with a female coupler O connected in parallel with the liftcylinders photo5 forsimultaneousoperationofthe fronthydraulicliftcylindersandthemachineheadstock cylinder When operating with a tractor equipped with a double acting hydraulic lift the spool valve must be set in the detented fourth po...

Page 15: ...comodate this pin counter drill it to 4 5 mm Check that stop 3 of the triangular frame A is adjustedcorrectly Forgoodoperationthisstopmust bepositionedagainstlatch 4 sothatlatchisstillfree to pivot when pulling lever 5 For adjustment detach mower from the tractor and proceed as follows Untighten flush screw 2 so that stop 3 is free to slide Untighten lock nut of adjusting screw 1 Attach mower to t...

Page 16: ...ockedinplaceintheforward notch A of the selector plate photo 8A Lift the mower Using levers K fold back the transport locks J towards the rear keeping them in this position photo9 Attach both chains R to the highest possible anchoragepointonthetractor photo8 Chainlength is right if distance Y is at least 210 mm 8 photo 9 when chains R are tight photo 8 9 8A 8 ...

Page 17: ...tick plug 13 turn gearbox upside down Reinstall gearbox in place with the breather plug 13 facing upwards photos 10 10 A and fig 11 TightenthefourM12bolts 11 to12daNm 90ft lbs and reassemble all other components again 4 PTO SHAFT The PTO shaft is fitted with a 1 3 8 6 spline yoke A 1 3 8 21 spline yoke can be ordered as an optional item under part No 4603 187 for the GMD 602 F 702 F 802 F 1000 rpm...

Page 18: ...ed tubes must not butt against the yokes A safety clearance A of 1 cm 1 2 must be maintained fig A b GMD 602F 702F 802F 540 1000 rpm min 1 option Connect the PTO shaft to the mower s central gearcase and to the tractor s 540 or 1000 rpm min 1 PTO stub see photos 13 14 15 and 16 PTO guard P must be mounted on the stub used to connect the PTO shaft T and the cap C must be installed on the non used s...

Page 19: ...ransmission tubes and the two guard tubes by the same length fig B and C Bevel and clean the transmission tubes fig D Grease the inside of the outer transmission tube fig E Never operate the PTO shaft at too great an angle X 30 maximum fig 17 17 D ...

Page 20: ...ccidents which could be serious make sure that guards are always correctly in place and secured with the safety chains photo 18 and 18 A Damaged guards must be replaced immediately 18A 5 SAFETY CURTAINS Before starting up the mower Make sure that all safety curtains are in the correct position 19 18 ...

Page 21: ...e transport locks J towards the front until engaged photo 20 B Using the box spanner P delivered with the machine release the lock on the front protector A photo 20 Pivotthe2sideprotectionflaps B towardstheinsideandlockthembyloweringandengagingthefrontprotection flap photo 20 A Slightly lower the mower to double check that the lock has latched in properly The cutting unit and the headstock must lo...

Page 22: ...mounting yokes I of suspension springs S as shown in photo 22 A Lower the machine on the ground Make sure that all safety curtains are in correct position Check that the lever L is locked in place in the forward notch A of the selector plate photo 8A page 14 If the mower has been attached correctly chains G are tight photo 22 B the cutterbar rests on the ground and distance Y is at least 210 mm 8 ...

Page 23: ... 1 Forward speed must be adapted to field conditions It is advisable to select a lower gear when working in difficult conditionssuchasheavyanddowncropsorirregularandsoftgrounds However ifconditionsallowit thespeed should be of more than 6 km h to obtain a good cutting quality ADVERSE FIELD CONDITIONS Whenmowingonslopesand orincombinationwithaself loadingwagon itisrecommendedtoreducetherotational f...

Page 24: ...speed rotational frequency is reduced ADJUSTMENTS CUTTING HEIGHT Maximum cutting height 80 mm 3 1 6 fig 1 is obtained when discs are parallel to the ground Cutting height is adjusted by altering the angle of the cutterbar in respect to the ground and is carried out by changing the length of top link P photo 23 page 21 Minimum cutting height must not be below 30 mm 1 2 fig 2 Cutting too close to th...

Page 25: ...orking position proceed as follows Lockthemanoeuvringlever L intherearnotch R oftheselectorplatetoengagetheparkinglatches D photo 26A Using levers K lower the transport locks J towards the rear and secure them in place photo 26 To facilitate this pressurise the cylinders Checkthattheparkinglatches D buttagainstthecylinderrods Ifnecessary toallowlatchesengagement lower the machine Lift the machine ...

Page 26: ...way that the cutterbar is lower on the right hand side fig 4 2 Remove the outer right skid 3 Remove left plug and washer 21 22 fig 4 4 Removemagneticoilpluganditswasher 19 20 fig 4and4B andlettheoldoildrainoutintoanappropriate container 5 Clean magnetic oil plug and its washer 19 20 and fit back into place 6 Lower the cutterbar so that it is horizontal to the ground and pour the quantity of fresh ...

Page 27: ...gnition key removed and PTO shaft disconnected before carrying out this operation Cutterbar oil level can be checked by measuring oil levelthroughbothfillerplugs 21 whenthecutterbaris perfectly horizontal lengthways and crosswise Xand Y axes Use a spirit level to ascertain that this is the case Correct oil level is 6 to 7 mm at both filler plugs fig 4 A If in doubt as to the amount of oil containe...

Page 28: ...al remove drain plug 23 and let the old oil drain into an appropriate container remove dipstick plug 24 QUANTITYOFOILINCENTRALGEARBOX 0 5 Litre 1 1 US Pint 0 9 Imp Pint for 1000 rpm min 1 gearbox 0 6 Litre 1 3 US Pint 1 Imp Pint for 540 1000 rpm min 1 gearbox Grade SAE 80 W EP GL4 Periodically check that oil level is between dipstick mark and the bottom of the dipstick plug 24 fig 5 and 5A 5 5A ...

Page 29: ...linkage points after every 50 hours of operation PTOshafts Lubricateall2PTOshaftsconnectedtothecentralgearboxwithSHELLMulti PurposegreaseNLGIgrade2every 8 hours of operation fig 8 Clean fittings before applying grease THERECOMMENDEDGREASEANDOILCHANGEPERIODSAREBASEDONNORMALFIELD ANDWORKCONDITIONS SEVEREORUNUSUALCONDITIONSMAYREQUIREMOREFREQUENTLUBRICATIONOROIL CHANGES RESPECT SPECIFIED OIL QUANTITIE...

Page 30: ...fter adjust ment tightenthecounternut 32 andreinstallthe access plate 33 photo 29 DISCS AND KNIVES Make sure cone lid 15 is properly secured in place photo30 Tighteningtorqueofbolts V is8daNm 60 ft lbs Discs knives and securing elements are manufac turedfromhighqualitysteelandhavebeensubjected to a heat treatment to assure a high resistance to wear Worn or damaged items must immediately be re plac...

Page 31: ...stdiameterspositioned at right angles to each other see photo 31 This positioning must be scrupulously respected so as to avoidinterferencebetweentheknives Takeextracare when fitting the conical spring washers C fig 10 whichmustbepositionedwiththeconicalcentreatthe top Discssuppliedthroughourspareparts departmentcomewitha1mmspacer part no 568 071 00 fig 11 attached to them When installing a new di...

Page 32: ...uality risk of damage to the cutterbar 2 Worn knives Length A of a knife should be greater than 65 mm The width B of a knife measured at a distance of 10 mm away from the edge of the disc should be greater than 34 mm The hole L for the securing bolt must not become oval by more than 20 mm for an 18 mm hole B SECURING ELEMENTS To be inspected regularly particularly the tightening torque of the nut ...

Page 33: ...ational due to inclusion of water oil or dirt When wear on the head reaches the contact area of the knife When the diameter D of the bolt is less than 15 mm 2 The nuts must be replaced When the contact washer has lost its elasticity or when it loosens from the nut When wear on the nut reaches a 5 mm FOR THE CORRECT OPERATION OF YOUR MACHINE ALWAYS USE GENUINE KUHN SPARE PARTS ...

Page 34: ...tractors with 1 3 8 21 splines front PTO shafts photo 32 3 DRIVE KIT FOR 540 1000 rpm min 1 INPUT SPEED ROTATIONAL FREQUENCY for GMD 602 F 702 F 802 F 1000 rpm min 1 Code No 103 6220 See separate Bulletin No 066 682 00 supplied with this equipment Quantityofoilin rotorgearboxfor aninputspeed rotationalfrequency of540and1000rpm min 1 0 6litre grade SAE 80 W EP GL4 4 FRICTION SLIP CLUTCH EQUIPMENT C...

Page 35: ...ward speed Stubble too long Incorrectangleon Reducecutterbarangle cutterbar see page 22 Soil built up on front of Very wet conditions Reduce cutting unit down pressure cutterbar Suspension spring setting Check distance Y pages 14 and 20 incorrect Tighten the side suspension springs page23 Discs stop rotating Shear bolt broke Replace shear bolt duringwork see page 22 Incorrectadaptation Incorrectad...

Page 36: ...uidance on methods of testing Annex to AIC 1896 117 REV February 1988 Health and Safety Executive The method employed corresponds to the method No 4 in this document Unspecified testing conditions comply with ISO 5131 standard Measuring equipment conforms to NF S 31 009 standard The tractor used has a power of 90 kW A weighted emission sound pressure level L A eq inside tractor cab with closed win...

Page 37: ...f it has been misused neglected or damaged by accident or let out on hire Nor can claims be accepted if parts other than those manufactured by us have been incorporated in any of our equipment Furthermore the Company shall not be responsible for damage in transit or handling by any common carrier and under no circumstances within or without the warranty period will the Company be liable for damage...

Page 38: ...sions on all questions as to defect and to the exchange of any part or parts That all safety instructions in the Operator s Manual shall be followed and all safety guards regularly inspected and replaced where necessary No warranty is given on second hand products and none is to be implied Persons dealing in the Company s products are in no way legal agents of the Company and have no right or auth...

Page 39: ...ctive The Operator should respect all Health and Safety regulations as well as the Highway Code For your own safety use only genuine KUHN spare parts The manufacturer disclaims all responsibilities due to incorrect use or non compliance with the recommendations given in this manual ...

Page 40: ...Fabriques F 67706 SAVERNE CEDEX FRANCE Tél 33 0 3 88 01 81 00 Fax 33 0 3 88 01 81 03 www kuhnsa com E mail info kuhnsa com Société Anonyme au Capital de 19 488 000 Euros For your safety and to get the best from your machine use only genuine KUHN parts ...

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