KUHN GA4121GM Operator'S Manual Download

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3. - Identification of the machine

GA4121GM

KN129DGB D

Gyrorake

3.4

Optional equipment

- Tick box corresponding to the equipment fitted on

your machine:



1 3/8 - 6 spline pto shaft.



1 3/8 - 6 spline wide angle u-joint drive.



Front support wheel.



Bogie axles.



Three point frame damper.



Hydraulic windrow curtain.



Lateral signalling equipment.



Europe signalling equipment.



Adaptation parts (Europe signalling equipment).



USA signalling equipment.

Summary of Contents for GA4121GM

Page 1: ...Original instructions KN129DGB D Read carefully before starting the machine OPERATOR S MANUAL Gyrorake D0001 D9999 GA4121GM KN129DGB D English 04 2018 KN129DGB_D...

Page 2: ......

Page 3: ...HN 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 f...

Page 4: ...e 10 4 2 5 Precautions when driving 10 4 2 6 Precautions when driving on public roads 11 4 2 7 PTO shaft 15 4 2 8 Precautions during manoeuvres 17 4 2 9 Remote controlled components 17 4 2 10 Tyres 17...

Page 5: ...rk position 39 8 2 Adjustments in working position 41 8 2 1 Wheel height adjustment 41 8 2 2 Swath screen adjustment 43 8 3 Machine use 46 8 3 1 Drive speed 46 9 Optional equipment 47 9 1 1 3 8 6 spli...

Page 6: ...uncoupling 62 10 Maintenance and storage 63 10 1 Frequency chart 63 10 2 Lubrication 64 10 2 1 PTO shaft 64 10 2 2 Rotor 65 10 2 3 Grease 65 10 2 4 Oil 66 10 3 Maintenance 67 10 3 1 Checking the fixi...

Page 7: ...3 Identification of the machine GA4121GM 5 KN129DGB D Gyrorake 3 Identification of the machine 3 1 Front view 3 2 Rear view...

Page 8: ...ite below the type and serial number of the machine This information is to be given to the Kuhn authorized dealer for any spare parts order or warranty claim Type GA4121GM Serial no TYPE MASSE kg KUHN...

Page 9: ...the equipment fitted on your machine 1 3 8 6 spline pto shaft 1 3 8 6 spline wide angle u joint drive Front support wheel Bogie axles Three point frame damper Hydraulic windrow curtain Lateral signall...

Page 10: ...ndicates 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 c...

Page 11: ...achine must 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 opera...

Page 12: ...in place and in good condition Immediately replace any worn or damaged guard 4 2 5 Precautions when driving Tractor handling stability performance and braking efficiency are all affected by weight di...

Page 13: ...r special transportation of oversize equipment Transport position Before transporting the machine on public roads place the machine into its transport position according to the instructions in this ma...

Page 14: ...the tractor unladen weight For machines with hoppers or tanks If the total unit weight exceeds the tractor Gross Combined Weight Rating in accordance with the countrie s legislation empty the hopper t...

Page 15: ...To do If the front axle load t1 is below 20 of the tractor tare T add ballast weights M1 to exceed the minimum load on the front axle Example T 7500 kg 16535 lb The front axle load must be of minimum...

Page 16: ...t 10000 kg 24250 lb PTAC 13000 kg t PTAC Go to the next stage kg kg t _____kg To measure Load on rear axle t2 Tractor machine transport position Ballast weights Checking Check in the tractor s operato...

Page 17: ...a lethal accident Do not wear loose clothing that could be caught in the rotating PTO shaft Before attaching or removing a PTO shaft or before doing any work on the machine disengage the PTO drive tur...

Page 18: ...shaft and the added adaptor device as outlined in the table PTO type Diameter X splines A 5 mm 0 20 1 35 mm 1 378 6 85 mm 3 35 2 36 mm 1 42 8 85 mm 3 35 3 35 mm 1 378 21 85 mm 3 35 4 45 mm 1 772 20 1...

Page 19: ...t manufacturers recommendations on pressure Assembly disassembly and repair of wheels and tyres must only be carried out by competent persons who are equipped with standardized tools Before any work i...

Page 20: ...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 wel...

Page 21: ...dance with the instructions of the present manual Check the guards regularly Immediately replace any damaged or missing elements Before engaging the pto drive lower the rotors onto the ground Make sur...

Page 22: ...GA4121GM 20 4 Safety KN129DGB D Gyrorake 4 3 Location and description of safety decals on the machine 4 3 1 Location of safety decals 4 5 3 1 2...

Page 23: ...ly with all instructions Working on the machine 2 Before leaving the tractor or before adjusting maintaining or repairing the machine disengage the PTO drive turn off the engine remove ignition key an...

Page 24: ...2 4 Safety KN129DGB D Gyrorake Rotary tools 4 To prevent entanglement keep a safe distance from the machine Power take off 5 When guards are in transport position the rotor is locked Do not engage the...

Page 25: ...3 KN129DGB D Gyrorake 5 Machine specifications 5 1 Description and glossary 0 1 Front frame 2 Parking stand 3 Rotor undercarriage and wheels 4 Rotor 5 Tine arms 6 Swath screen 7 Assist spring 8 Three...

Page 26: ...umber of tines per arm 4 Swath width 1 30 m 4 3 approximately Working width DIN 11220 up to 4 10 m 13 5 Length in working position 3 69 m 12 1 Height in working position 1 23 m 4 0 4 Width in transpor...

Page 27: ...following PTO shafts PTO shaft 1 3 8 6 splines or A 1 3 8 6 spline wide angle pto shaft 5 4 Sound levels Sound levels have been measured in accordance with the measuring methods as defined in NF EN IS...

Page 28: ...ent optional equipment 6 1 2 Preparing the tractor The machine adapts to tractors fitted with a 3 point hitch coupler category 1 or 2 1 2 Check that the tractor s authorized gross weight as well as it...

Page 29: ...re Left side Right side Hitch pin parallelism Adjust tractor lift rods so that hitch pins are parallel to the ground Lateral adjustment of the lower links Distribute the play on each side of the lift...

Page 30: ...three point linkage Position tractor lower links in line with machine lower yokes Categories of linkage For attachment category 1 Place lower links in position a Secure each lower link with lynch pin...

Page 31: ...top link length so that the machine is horizontal with regards to the ground Lower transport lock 1 Lift the machine using the tractor lift linkage until the parking stand no longer rests on the groun...

Page 32: ...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 Mark le...

Page 33: ...on machine side 6 1 5 Hydraulic connections To avoid serious accidents the PTO drive shaft guards must be properly in place and fixed with the chains provided Immediately replace any worn or damaged...

Page 34: ...ort lock 1 Remove tube clip 1 Lower parking stand 2 Insert tube clip 1 to lock parking stand 2 Lower tractor lift linkage to rest the machine on the parking stand When optional equipment is used follo...

Page 35: ...om the tractor Secure PTO shaft into its support 1 Uncouple lower linkage arms Detach the top link from the machine end The machine is uncoupled When optional equipment is used follow specific procedu...

Page 36: ...g handle 2 Rotate swath screen lock 1 clockwise to lower the lock in hole 3 and lock swath screen Before placing the machine into transport position Wait until the rotating parts have come to a comple...

Page 37: ...he front on each side of the beam Unlock right side guard 1 using handle 2 and raise swath screen 3 and right side guard 1 until automatically locked When optional equipment is used follow specific pr...

Page 38: ...ft left side guard upwards until it automatically locks Rotate rotor by hand until fully locked with rotor lock 2 Remove lynch pins 1 Disconnect tine arms 2 The folding of the side guards activates th...

Page 39: ...nsport lock 1 Lift the machine with the tractor s three point linkage The lock engages and locks the front frame The machine is in transport position 2 non disconnectable tine arms 1 are not removed M...

Page 40: ...mbly on public roads Lighting and signalling optional equipment Check that the light boards are clean and that the lighting equipment functions before transporting the machine on public roads Before d...

Page 41: ...thout wheels touching the ground Remove lynch pin from tine arms stored on racks Fit tine arms on the rotor Insert lynch pins 1 Before placing the machine in working position Check that nobody is with...

Page 42: ...ft side guard 1 using handle 2 and lower it Lower the tractor three point linkage to rest the machine on the ground The machine is in working position When optional equipment is used follow specific p...

Page 43: ...Check that nobody is within the machine pivoting area If there is someone make sure the person moves away When optional equipment is used follow specific procedures mentioned in the related section Op...

Page 44: ...asic adjustment Position pin 1 in the fifth hole 3 of vertical adjustment plate Lower machine back on ground Refine the rotor front to rear levelling using the top link Make sure pin 1 is fully engage...

Page 45: ...adjustment Lengthways adjustment Vertical adjustment Lateral adjustment Turn swath screen lock 1 counterclockwise Operate handle 2 to adjust swath screen position Rotate swath screen lock 1 clockwise...

Page 46: ...GA4121GM 44 8 Instructions for work KN129DGB D Gyrorake In very dense crop the machine can form single swaths In light crop the machine can form double swaths Model Overlay Name Model Overlay Name...

Page 47: ...1 Torque bolts to 1 Torque 4 9 daN m 36 lbf ft Vertical adjustment The windrow curtain can be adjusted in 3 positions High position Central position Low position Remove bolts 1 Adjust swath screen po...

Page 48: ...1 Drive speed Groundspeed must be adapted to the encountered working conditions Before engaging the tractor PTO drive Keep all persons and animals away from the machine danger zone Lower and lock side...

Page 49: ...for tractors equipped with a 1 3 8 6 spline pto stub 9 2 1 3 8 6 spline wide angle u joint drive The constant velocity double joint enables to work at great angles a long time 9 3 Front support wheel...

Page 50: ...3 2 Adjustments Lateral adjustment Unscrew the 4 bolts 1 Slide wheel support 2 on hitch frame crossbar 3 Sideways position Position support wheel closest to pivot point 4 Axial position in line Posit...

Page 51: ...Height adjustment Move column 1 in mounting bracket 2 Insert the pin 3 in one of the holes 4 Secure using R clip Putting the machine into transport position Fit Three point hitch coupler in oblong hol...

Page 52: ...The bogie axles improve the machine s floatation when working on irregular grounds 9 4 1 Fitting Remove following parts of the original undercarriage The two wheels 1 The two vertical adjustment plate...

Page 53: ...el on wheel stub axle 10 9 4 2 Machine use Height adjustment Lift the machine using the tractor s lift linkage Remove tube clip 1 Pull on bogie axle 2 to free pin 3 from its housing Position bogie axl...

Page 54: ...vot points 9 5 Three point frame damper The stabilizer 1 is recommended for work on irregular grounds or slopes 9 5 1 Fitting Fit stabilizer 1 on hitch frame and on machine beam using 2 screws and 2 n...

Page 55: ...ng the tractor The tractor must be fitted with the following components 1 double acting hydraulic outlet 9 6 2 Hydraulic connections Connect hydraulic hoses 1 and 2 to the same tractor hydraulic doubl...

Page 56: ...cord until stop pins are released 1 Activate double acting valve to raise guards 2 When cylinder 3 bottoms release cord and shift tractor hydraulic valve back to neutral Rotate rotor by hand until ful...

Page 57: ...ns 1 Remove tine arms 2 Position tine arms 2 on racks 3 Secure tine arms with lynch pins 4 The machine is in transport position 3 non disconnectable tine arms 1 are not removed Never engage the tracto...

Page 58: ...ctor lift linkage without wheels touching the ground Remove lynch pin from tine arms stored on racks Fit tine arms on the rotor Insert and lock lynch pin 1 Pull release cord until stop pins are releas...

Page 59: ...the working position Operate the double acting valve to place the windrow curtain in required position In very dense crop the machine can form single swaths The tractor lift linkage must be in floatin...

Page 60: ...osition The upper position is used in very irregular grounds or in very dense crop The low position is used in low density crop Lengthways adjustment The windrow curtain can be set forwards or backwar...

Page 61: ...wath screen position Reinstall bolts 1 Torque 4 9 daN m 36 lbf ft 9 6 6 Maintenance Oil Cylinder pins 9 6 7 Storage At the end of each season Grease the cylinder rods in contact with the outside At th...

Page 62: ...lowing components 2 signalling panels 1 2 amber reflectors 2 9 8 Europe signalling equipment Lighting and signalling The rear device is made up of the following components 2 signalling panels 1 2 red...

Page 63: ...el The rear right signalling light black connector is marked R Fit rear left signalling light to the rear side of the left reflective panel The rear left signalling light white connector is marked L F...

Page 64: ...9 Optional equipment KN129DGB D Gyrorake 9 9 USA signalling equipment 9 9 1 Coupling and uncoupling Electrical connection Connect 7 pin plug to the tractor Parking Disconnect and store 7 pin plug in...

Page 65: ...l moving parts have come to a standstill and apply park brake Check that hydraulic hose valves are shut off Maintenance intervals are indicated for normal conditions of use After the first 10 hours of...

Page 66: ...efore 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 Lubricate with...

Page 67: ...ife with 1 2 kg 2 6 lb of multi purpose semi fluid grease grade NLGI 0 The guiding cam is lubricated for life with multi purpose grease NLGI 2 Lubricate with multi purpose grease grade NLGI 2 In diffi...

Page 68: ...DGB D Gyrorake Wheel supports 2 greasers 1 Clean and grease removable tine arm ends 1 with never seize grease each time it becomes difficult to disconnect them 10 2 4 Oil Pivot points Lock parking sta...

Page 69: ...lements Check thighteness of all bolts and nuts particularly on rotors Before carrying out any maintenance or repairs on the machine switch off the tractor engine remove ignition key wait until all mo...

Page 70: ...ox 10 4 2 At the start of each season Re read the operators manual Check tyre pressure Rotor wheels 2 bar 29 psi Make sure that all protection devices are in place and in good condition Avoid high pre...

Page 71: ...rwards Shorten the top link Crop pick up at the rear of the rotor Swaths too compact between tines and swath screen Increase swath screen distance Earth clods on tines Adjust wheel height Rotor speed...

Page 72: ...authorized payload must not be exceeded When coupling tools to the front and or rear 3 point lift linkages the maximum load on tractor s tires must not be exceeded The load on the tractor front axle m...

Page 73: ...y or the front ballast and the front axle centre b m Distance between the tractor axles c m Distance between the rear axle center and the center of the lower link ball joints d m Distance between the...

Page 74: ...ne 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 minim...

Page 75: ...manual 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...

Page 76: ...nd the position of its centre of gravity d If the data required to calculate the total weight axle loads and minimum ballasting are not supplied use the following method Tractor only T1 T2 T1 Load on...

Page 77: ...12 Appendix GA4121GM 75 KN129DGB D Gyrorake T Axle loads Tractor only T _____kg...

Page 78: ...ctor 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 tan...

Page 79: ...12 Appendix GA4121GM 77 KN129DGB D Gyrorake Calculating the rear tool weight M2 M2 t T Calculating the distance d d b x T1 t1 M2 c t Axle loads Tractor machine Hopper empty t _____kg...

Page 80: ...he 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 a...

Page 81: ...12 Appendix GA4121GM 79 KN129DGB D Gyrorake Calculating the front tool weight M1 t T Calculating the distance a a b x T2 t2 M1 t Axle loads Tractor machine t _____kg...

Page 82: ...facturer 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 insp...

Page 83: ...uantity 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 guar...

Page 84: ...forms to the requirements of following European harmonized standards conforms to the requirements of the European directive 2006 42 CE Brand Brand Machine Machine Type Model Type Model Serial no Seria...

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Page 88: ...HARD SAS 24 route de Nantes F 44680 CHEMERE FRANCE KUHN HUARD S A B P 49 F 44142 CHATEAUBRIANT CEDEX FRANCE KUHN GELDROP B V P O Box 9 5660 AA GELDROP THE NETHERLANDS KUHN NORTH AMERICA INC P O Box 16...

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