KUHN GMD802 Series Operator'S Manual Download Page 50 | Manualshive

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Disc mower

48

GMD802

Optional equipment

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.

3. Large cone discs

Kit no. 1036320

Large cone discs allow mowing dense or down crops

with long stems.

Replace original cone discs with the 2 large cone discs.

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Summary of Contents for GMD802 Series

Page 1: ...KN082DGB D OPERATOR S MANUAL Disc mower GMD802 KN082DGB D English 03 2010...

Page 2: ......

Page 3: ...OPERATE 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 co...

Page 4: ...afety instructions 7 Location and description of safety decals on the machine 15 Road safety equipment and recommendations 19 Machine specifications 20 Description and glossary 20 Technical specificat...

Page 5: ...work position 38 Adjustments in working position 39 Machine use 46 Optional equipment 47 PTO shafts 47 Side deflector kit 48 Large cone discs 48 Maintenance and storage 49 Frequency chart 49 Lubricat...

Page 6: ...Disc mower 4 GMD802 Identification of the machine Identification of the machine 1 Front view 2 Rear view...

Page 7: ...are parts orders Type GMD802 Serial no 4 Optional equipment Tick box corresponding to the equipment fitted on your machine Part no 4600415 1 3 8 6 spline pto shaft Part no 4600416 1 3 8 21 spline pto...

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 resu...

Page 9: ...y 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 impera...

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 tr...

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 trans...

Page 12: ...ic 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 ch...

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...

Page 14: ...pollutants oil grease filters etc on the ground never pour them down the drain and never discard them in any other place where they could pollute the environment Never throw away or burn a tyre Always...

Page 15: ...screens inside the tractor cab s side and rear windows or install narrow mesh guards on their exterior Increase the cutting height to avoid contact with stones or rocks Never start a mower conditioner...

Page 16: ...chine 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 parts...

Page 17: ...Safety Disc mower GMD802 15 3 Location and description of safety decals on the machine Location of safety decals...

Page 18: ...g 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 ot...

Page 19: ...ve engaged 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 manufa...

Page 20: ...18 GMD802 Safety 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 operato...

Page 21: ...y equipment is mounted in the factory or by your authorized Kuhn dealer according to current safety regulations The device is composed of A signalling light 1 A signalling panel 2 A reflector 3 Always...

Page 22: ...nd glossary 0 1 Parking stand 2 Check chain 3 Hydraulic valves 4 Gauges 5 Connecting frame 6 Hitch pins 7 Cutterbar 8 Central gearbox 9 Compensation cylinder 10 Hydro pneumatic accumulators 11 Side ge...

Page 23: ...sition 5 28 m 17 4 Height in working position 1 40 m 4 7 Length in working position 1 34 m 4 4 Width in transport position 1 85 m 6 1 Height in transport position 1 70 m 5 7 Length in transport positi...

Page 24: ...chines fitted with a 1000 min 1 central gearbox must be driven with a PTO stub rotating at 1000 min 1 4 Sound levels Sound levels have been measured in accordance with the measuring methods as defined...

Page 25: ...n adjustment and maintenance tasks 2 Coupling and uncoupling The machine adapts to tractors fitted with a 3 point linkage category 2 Description of coupling elements A PTO shaft 1 3 8 6 splines A chec...

Page 26: ...le 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 The front axle load 1 must nev...

Page 27: ...is below 2 10 m 6 11 Place lower links in position a Adjust machine lower hitch pin position Unscrew the 8 bolts 3 Position hitch pin 1 at measure A 10 mm 0 4 Tighten 4 hitch pin screws 1 Torque 21 da...

Page 28: ...lace lower links in position b Adjust machine lower hitch pin position Unscrew the 8 bolts 3 Centre hitch pin 1 with regards to the mounting plate Tighten 4 hitch pin screws 1 Torque 21 daN m 155 lbf...

Page 29: ...r links in position c Adjust machine lower hitch pin position Unscrew the 8 bolts 3 Position hitch pin 2 at measure A 10 mm 0 4 Tighten 4 hitch pin screws 2 Torque 21 daN m 155 lbf ft Position hitch p...

Page 30: ...s 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 parkin...

Page 31: ...ort work cylinder to a double acting valve 1 Connect the hydraulic hose to the single acting valve with float position 2 Electrical connections Connect 7 pin plug to the tractor Fit check chain See se...

Page 32: ...east 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 i...

Page 33: ...ction slip clutch Uncouple secondary PTO shaft on friction slip clutch side Immediately replace any worn or damaged guard Before adjusting maintaining or repairing the machine turn off ignition key an...

Page 34: ...s 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 Adjusting the machine Positioning of lower l...

Page 35: ...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...

Page 36: ...heck chain link corresponding to the required frame height and lock using roll pin 2 Attach each check chain with its hook supplied with the machine to one of the upper free holes at the tractor s top...

Page 37: ...ntrol valve in float position Lower the tractor three point linkage to rest the machine on the ground Uncouple and place PTO shaft in support 1 Disconnect and store hydraulic hoses on holder 2 Disconn...

Page 38: ...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 39: ...unctions before transporting the machine 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 machi...

Page 40: ...dland turn position Lower the mowing unit onto the ground using the mowing unit lift cylinder Shift the mowing unit lift cylinder directional control valve in float position The machine is in working...

Page 41: ...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...

Page 42: ...l position To check the ground pressure Place the machine in working position Check that the chassis height is correct H 600 mm 2 Check the pressure given on the gauge NORMAL operating pressure 85 bar...

Page 43: ...mulator 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...

Page 44: ...pressure the mowing unit s cushioning varies To check the mowing unit s stabilizing pressure Place the machine in transport position Check the pressure given on the gauge NORMAL operating pressure 16...

Page 45: ...required pressure is reached close the valve Position b Reduce pressure in the hydro pneumatic accumulator Stop the tractor engine Open the valve using 18 box spanner supplied with the machine Activat...

Page 46: ...Swathing system The swathing system comprises 2 Swath wheels The swath width is 2 40 m 7 10 approximately Right swath wheel The swath wheel s lateral position A and angle X can be adjusted Make sure...

Page 47: ...Instructions for work Disc mower GMD802 45 Left swath wheel The swath wheel s lateral position A and angle X can be adjusted Make sure that distance J equals at least 15 mm 0 6...

Page 48: ...celerate progressively up to the desired PTO speed Only use the mowing unit lift cylinders to lift the machine from working position into headland turn position Groundspeed Before mowing and to reduce...

Page 49: ...g pto shaft 4600415 for tractors equipped with a 1 3 8 21 spline pto stub 1 3 4 6 spline yoke Kit no 4603257 A specific yoke is available as option for modifying pto shaft 4600415 for tractors equippe...

Page 50: ...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 3 Large cone discs Kit no 1036320 Large cone discs allow mo...

Page 51: ...til all moving parts have 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 Oil change The cutterbar 3 3 The side angle...

Page 52: ...aft Every 8 hours universal joints 1 transmission tube 2 guide rings 3 Secondary PTO shaft Every 8 hours universal joints 1 transmission tube 2 Slide the black collar Turn the 2 PTO shaft guard tubes...

Page 53: ...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 54: ...e MAX level corresponds to the mark on the dipstick plug The MIN level corresponds to the end of the dipstick plug Before draining oil operate the machine for a few minutes so that the oil warms up Th...

Page 55: ...oil must reach the lower edge of the filling hole Clean and reinstall filler plug 1 and its washer Replace if necessary Before draining oil operate the machine for a few minutes so that the oil warms...

Page 56: ...wer 54 GMD802 Maintenance and storage Lubricate the following parts Oil The mowing unit lift cylinder ball joints 1 The moving parts and pivot points Grease The mowing unit compensation cylinder ball...

Page 57: ...ng position Open valve Release pressure until the gauge needle reads 0 Shut off valve Before carrying out any maintenance or repairs on the machine switch off the tractor engine remove ignition key wa...

Page 58: ...erbar 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 c...

Page 59: ...gth in working position Following all service operations on the transport work cylinder proceed to following adjustment Cylinder barrel 3 must be contact with frame stop 4 Adapt cylinder length L to o...

Page 60: ...plugs 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...

Page 61: ...the following cases 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...

Page 62: ...inoperational When the bolt head wear reaches the center line of the bolt 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 ca...

Page 63: ...orque 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 wedge 2 between two discs to stop them from moving Remove 2...

Page 64: ...ne covers 2 and 3 Torque 8 daN m 58 lbf ft Replace any lost or damaged cover 2 Part no 56803420 3 Part no 56806610 Check if there is still a gap of 1 mm 0 04 between the disc lower part and the cutter...

Page 65: ...ction 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 Ch...

Page 66: ...t 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...

Page 67: ...Limited warranty Disc mower GMD802 65 Limited warranty...

Page 68: ...Disc mower 66 GMD802 Limited warranty...

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