KUHN GF7702T Operator'S Manual Download Page 64

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Gyrotedder

GF7702T

Appendix

Determining the machine weight (M2) and
the position of 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.

Summary of Contents for GF7702T

Page 1: ...KN150AGB C OPERATOR S MANUAL Gyrotedder GF7702T KN150AGB C English 08 2010...

Page 2: ......

Page 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...

Page 4: ...ment 6 Safety instructions 7 Location and description of safety decals on the machine 18 Road safety equipment and recommendations 21 Machine specifications 23 Description and glossary 23 Technical sp...

Page 5: ...tion 39 Adjustments in working position 41 Machine use 43 Optional equipment 45 Spare wheel 45 Large transport wheels 45 Prop wheel 46 Maintenance and storage 48 Frequency chart 48 Lubrication 49 Main...

Page 6: ...Gyrotedder 4 GF7702T Identification of the machine Identification of the machine 1 Rear view transport position 2 Front view working position...

Page 7: ...and serial number of the machine This information is to be indicated to the dealer for all spare parts orders Type GF7702T Serial no 4 Optional equipment Tick box corresponding to the equipment fitted...

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 res...

Page 9: ...ly 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 imper...

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: ...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 ax...

Page 12: ...s with empty 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...

Page 13: ...3300 lb Add ballast weights until the minimum front axle load is exceeded Repeat checking procedure Stage 3 To measure Total weight t Tractor machine transport position Ballast weights Checking To go...

Page 14: ...nd rim specifiations are in conformity 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...

Page 15: ...ircuit 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...

Page 16: ...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 17: ...ardized tools Before any work is performed on the wheels ensure that the machine rests on the ground and is perfectly stable so that it cannot move accidentally put chocks in place Safety decals Safet...

Page 18: ...ments under pressure or tension springs pressure accumulators etc must only be carried out by competent persons with regulation equipment Wear the appropriate protective clothing for the work in hand...

Page 19: ...uards are in place Keep all persons and animals away from the danger zone Keep a safe distance from the Gyrotedder when the rotors are in movement Never work in reverse After the power source has stop...

Page 20: ...Gyrotedder 18 GF7702T Safety 3 Location and description of safety decals on the machine Location of safety decals...

Page 21: ...2 Before leaving the tractor or before adjusting maintaining 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 co...

Page 22: ...e machine Crushing hazard Crushing area 6 Never operate in an area where there is a crushing risk before all moving parts have come to a complete stop Coupling device 7 Never couple the machine to the...

Page 23: ...embly on public roads Whatever the speed we recommend for everyones safety not to exceed a maximum speed of 40 km h 25 mph The front safety device comprises 2 signalling panels 1 2 white lights 2 2 wh...

Page 24: ...rotedder 22 GF7702T Safety The side device comprises 2 amber reflectors 1 on each machine side Tyre pressure Transport wheels 1 3 2 bar 46 psi Central parts 2 2 0 bar 29 psi Outer wings 3 1 5 bar 22 p...

Page 25: ...Description and glossary 0 1 Drawbar 2 Coupling device 3 Front parking stand 4 Front guard 5 Outer guard 6 Outer wing folding cylinder 7 Pitch angle adjustment handle 8 Outer wing 9 Drive shaft suppor...

Page 26: ...ength in working position 4 80 m 15 9 Height in working position 2 05 m 6 8 Width in transport position 2 99 m 9 10 Length in transport position 4 60 m 15 1 Height in transport position 3 15 m 10 4 Mi...

Page 27: ...he machine The country of destination determins the type of coupling device supplied with the machine Kit no 1126400 Attachment yoke diameter 40 mm 1 6 Kit no 1126410 Ball hitch drawbar diameter 80 mm...

Page 28: ...measured in accordance with the measuring methods as defined in NF EN ISO 4254 1 Agricultural machinery Safety Part 1 General requirements Weighted equivalent continuous acoustic pressure level at th...

Page 29: ...tractor cab A release cord to control the machine transport work position setting 2 hydraulic hoses that control the transport work position setting of the transport wheels and the folding of the oute...

Page 30: ...lements The machine is equipped with A PTO shaft 1 3 8 6 splines 1 4 hydraulic hoses 3 A 7 pin plug 2 Preparing the tractor The machine adapts to tractors fitted with a hitch bar The tractor nominal P...

Page 31: ...dder GF7702T 29 Coupling the machine Couple machine to tractor and secure hitch pin Raise parking stand 1 using crank 2 Depending on the type of coupling device supplied with the machine the procedure...

Page 32: ...ase cord handles in the tractor cab Safety chain The machine is supplied with a ANSI ASAE safety chain type with a minimum ultimate system strength of 45 kN 10100 lbf The safety chain must be tied aro...

Page 33: ...ves Connect the 2 hydraulic hoses that control the machine transport work position setting to the same tractor double acting valve Connect the 2 hydraulic hoses that control the oblique position setti...

Page 34: ...kes As a safety measure a clearance L of at least 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...

Page 35: ...hine side attach pto guard chain around the hose passing hole 1 To avoid serious accidents the PTO drive shaft guards must be properly in place and fixed with the chains provided Immediately replace a...

Page 36: ...osition Block machine with wheel chocks 1 Remove specific pin 1 Lower parking stand Lock parking stand using specific pin 1 Adjust parking stand height using crank handle Raise PTO shaft support 1 Unc...

Page 37: ...lease cord handles from tractor cab and store them on the machine Disconnect and store signalling plug on holder 1 Remove and store safety chain on the drawbar Remove hitch pin Move forward with the t...

Page 38: ...rt wheels touch the ground and slightly offload the wheels of the central rotors Release cord Before placing the machine into transport position Disengage tractor PTO Wait until the rotating parts hav...

Page 39: ...l lift further than headland turn position a and b Pull cord linked to the hydraulic valve 1 Activate the transport work cylinder control valve in the pivot into transport position The machine is rais...

Page 40: ...an Before driving the machine on public roads ensure that the machine complies with current highway code regulations Never tow the machine at a speed exceeding 40 km h 25 mph Check that transport lock...

Page 41: ...valve 1 Shift the transport work cylinder control valve in the work position direction until the central rotor wheels slightly touch the ground The machine is lowered on the ground a and tips rearward...

Page 42: ...contact with the ground a and b Release cord Pull cord linked to the hydraulic valve 1 Operate transport work cylinders in the work position direction until cylinders reach travel end The transport u...

Page 43: ...4 turn to lock adjustment system 1 Lower machine back on ground Adjust machine pitch angle with handle 1 Before adjusting maintaining or repairing the machine turn off ignition key and wait until all...

Page 44: ...tructions for work Work in oblique position The oblique position can be used when tedding on field edges From the working position Operate hydraulic oblique position cylinder 1 to pivot rotor wheels i...

Page 45: ...humidity level the speed is approximately of 7 to 8 km h 4 4 5 mph When tedding a more or less dry crop the speed is approximately of 10 to 12 km h 6 3 7 5 mph The dryer the crop the more the PTO spee...

Page 46: ...and lock lynch pin 3 Transport adjustment Remove lynch pin 3 Remove drawbar lock pin 1 and position it in hole 4 Insert and lock lynch pin 3 Shift the transport work cylinder control valve in the pivo...

Page 47: ...yrotedder GF7702T 45 Optional equipment 1 Spare wheel Kit no 1126330 Dimensions 16 x 6 5 8 6 PLY Tire pressure 1 5 bar 22 psi 2 Large transport wheels Kit no 1126370 Dimensions 26 x 12 00 12 Tire pres...

Page 48: ...working position Lower the prop wheel using handle 1 until it touches the ground Remove lynch pin 2 Remove drawbar lock pin 3 and position it in hole 4 Insert roll pin 2 to secure pin Give a few addi...

Page 49: ...Optional equipment Gyrotedder GF7702T 47 Lubrication Every 50 hours Grease Pivot points 2...

Page 50: ...hours or at the end of the season Lubrication Grease The outer wing pivot pins The DIGIDRIVE coupling fingers The pitch angle adjustment handle The transport carriage 3 Oil The outer wing hydraulic c...

Page 51: ...ased Part no 09905400 Clean grease nipples before greasing Before carrying out any maintenance or repairs on the machine switch off the tractor engine remove ignition key wait until all moving parts h...

Page 52: ...t Every 20 hours U joints 1 Transmission tube 2 Every 100 hours Guide rings 3 Secondary PTO shaft Every 20 hours U joints 1 Transmission tube 2 Every 100 hours Guide rings 3 Lubricate the central disc...

Page 53: ...Maintenance and storage Gyrotedder GF7702T 51 Grease The outer wing pivot pins The DIGIDRIVE coupling fingers...

Page 54: ...Gyrotedder 52 GF7702T Maintenance and storage The pitch angle adjustment handle The transport carriage...

Page 55: ...Maintenance and storage Gyrotedder GF7702T 53 Oil The outer wing hydraulic cylinder pivot pins Pitch angle adjustment pivot points Oil with SHELL SAE 90 gear oil...

Page 56: ...From the working position Remove plug 1 The oil level must reach lower part of level plug hole Checking the fixing elements Check that all nuts and bolts are sufficiently tightened The main gearbox i...

Page 57: ...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 2 types of tines are fitted on the machine Tines 1 for rotors r...

Page 58: ...nt screw 1 Replace tine Reassemble the unit Tighten attachment screw Torque 20 daN m 148 lbf ft Respect mounting instructions so that the crop s pressure a closes the coils Check attachment bolt washe...

Page 59: ...Maintenance and storage Gyrotedder GF7702T 57 Tyre pressure Transport wheels 1 3 2 bar 46 psi Central parts 2 2 0 bar 29 psi Outer wings 3 1 5 bar 22 psi...

Page 60: ...1 5 bar 22 psi Touch up any areas of damaged paintwork Check and replace worn or damaged tines Put the machine under cover in a dry place At the start of each season Re read the operators manual Check...

Page 61: ...kg Tractor 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 axl...

Page 62: ...quired 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 weigh...

Page 63: ...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...

Page 64: ...ht M2 and the position of 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 mi...

Page 65: ...Appendix Gyrotedder GF7702T 63 T Axle loads Tractor only...

Page 66: ...loads Tractor machine Hopper empty 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 a...

Page 67: ...Limited warranty Gyrotedder GF7702T 65 Limited warranty...

Page 68: ...Gyrotedder 66 GF7702T Limited warranty...

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