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HR4004D-4504D

10. - Maintenance and storage

KN208JGB_C

Power harrow

During intensive use with tractors of
maximum authorized power, it is
recommended to grease at closer intervals
(Interval of 100 to 150 hours).

10.3.3 Draining



Gearbox

- Before draining oil, operate the machine for a

few minutes so that the oil warms up.

HR4004D/HR4504D

Oil volume

6 L (1.58 US gal)

Type of oil

Mineral oil (Gear oil)

Viscosity

SAE 80W90

Specification

API GL5 (extreme pressure)

For intensive use:

• A synthetic oïl of type PAO (Poly-Alpha-

Olefine) of viscosity grade equivalent to
SAE 75W90 and API grade GL5.

Summary of Contents for HR4004D

Page 1: ...Original instructions KN208JGB_C Read carefully before starting the machine Power harrow HR4004D 4504D KN208JGB_C English 12 2019 Operator s manual J0001 J9999 KN208JGB_C...

Page 2: ......

Page 3: ...ual 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 line of genuine KUHN service parts These parts are...

Page 4: ...s when driving on public roads 14 4 2 7 Maximum speed 18 4 2 8 Precautions when coupling 18 4 2 9 Hydraulic circuit 19 4 2 10 PTO shaft 20 4 2 11 Precautions during manoeuvres 21 4 2 12 Remote control...

Page 5: ...mary PTO shaft 41 6 1 5 Cam type cut out clutch 42 6 1 6 PTO output stub on gearbox 48 6 2 Adjusting the machine 49 6 2 1 Front rear machine levelling 49 6 2 2 Rotor speed adjustment 49 6 2 3 Adjustin...

Page 6: ...transport position 78 9 4 5 Putting the machine into work position 79 9 4 6 Adjustments in working position 79 9 4 7 Maintenance 81 9 4 8 Storage 81 9 5 Track eradicators 82 9 5 1 Uncoupling the machi...

Page 7: ...96 10 4 2 Checking the blades and their mounting hardware 96 10 4 3 Checking the side deflectors 98 10 4 4 Oil seal replacement 99 10 5 Storage 102 10 5 1 At the end of each season 102 10 5 2 At the...

Page 8: ...HR4004D 4504D 8 3 Identification of the machine KN208JGB_C Power harrow 3 Identification of the machine 3 1 Front view 3 2 Rear view...

Page 9: ...acturer 2 Type 3 Serial Number 4 Weight According to the country of destination additional plates can be fitted on the machine For machines aimed at countries which are members of the European Union E...

Page 10: ...of gearwheels Standard linkage Hydraulic lift linkage Hydraulic lift linkage stroke limiters Rear attachment with double acting hydraulic lift Track eradicators Rear signalling elements Lights and ind...

Page 11: ...bol indicates 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 stric...

Page 12: ...acturer The manufacturer is not held liable for any damage resulting from machine applications other than those specified by the manufacturer Any use other than the designated operation is at the risk...

Page 13: ...ot wear loose clothing which could become caught up in moving parts Wear the appropriate protective clothing for the work in hand gloves shoes goggles helmet ear defenders etc Ensure that all operatin...

Page 14: ...tractor seat while the machine is operating Carrying people or animals on the machine when working or in transport is strictly forbidden 4 2 6 Precautions when driving on public roads Dimensions Depen...

Page 15: ...nd or rear 3 point lift linkage the maximum 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 e...

Page 16: ...ad 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 machine t1 Max kg Maximum load authorized on the tractor front axle acc...

Page 17: ...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 operator s...

Page 18: ...acturer 4 2 7 Maximum speed Always keep to the legal speed limit for driving a tractor machine assembly on public roads 4 2 8 Precautions when coupling Before attaching the machine make sure that it c...

Page 19: ...ydraulic hoses are damaged or worn In case of normal wear the hydraulic hoses must be replaced every 5 years Damaged or worn hoses must immediately be replaced When replacing the hydraulic hoses only...

Page 20: ...shaft or before doing any work on the machine disengage the PTO drive turn off the engine remove ignition key and wait for all moving parts to come to a complete stop If the primary PTO shaft is equi...

Page 21: ...1 Precautions during manoeuvres When moving the machine from the transport position to the working position and vice versa make sure that nobody is within the machine pivoting area 4 2 12 Remote contr...

Page 22: ...achine 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 welding is carried out on the attached machine...

Page 23: ...teners in accordance with the instructions contained in this manual Check the guards regularly Immediately replace any damaged or missing elements Make sure all the guards are in place Keep all person...

Page 24: ...marking 134139 Specific requirements for countries member of the Eurasian Economic Community EAC marking 133983 Specific requirements for countries member of the Eurasian Economic Community EAC marki...

Page 25: ...4 Safety HR4004D 4504D 25 KN208JGB_C Power harrow 4 3 Location and description of safety decals on the machine 4 3 1 Location of safety decals 3 5 1 2 4 5 4 3...

Page 26: ...ion necessary for using the machine safely It is imperative to read and comply with all instructions Working on the machine 2 Before leaving the tractor or before adjusting maintaining or repairing th...

Page 27: ...l a long distance Always stay at a safe distance from the machine Rotary tools 4 Keep away from rotating elements and from the machine all the time the engine is running the PTO drive is engaged and t...

Page 28: ...e up of the following components 2 red reflectors The front device is made up of the following components 2 white reflectors If the machine is over the maximum legal size follow the local regulations...

Page 29: ...rasian Economic Community EAC marking 139867 Specific requirements for countries member of the Eurasian Economic Community EAC marking 134002 Specific requirements for countries member of the Eurasian...

Page 30: ...ions KN208JGB_C Power harrow 5 Machine specifications 5 1 Description and glossary 0 1 Gearbox 2 Roller 3 Scraper bar 4 Anti ridging plate 5 Side deflector 6 Blade 7 Lower links 8 Blade holder 9 PTO s...

Page 31: ...t left 14 14 16 16 Working width 4 00 m 13 1 4 50 m 14 9 Working depth From 30 mm 1 18 to 250 mm 10 approximately Overall width 4 10 m 13 5 4 55 m 14 11 DIN engine power requirement 73 kW 100 hp 81 kW...

Page 32: ...shaft 1 3 8 6 spline pto shaft or 1 3 8 21 spline pto shaft or 1 3 4 6 spline pto shaft or 1 3 4 20 spline pto shaft or 32x38 8 spline pto shaft Reinforced PTO shafts are recommended for tractors with...

Page 33: ...an essential element of the harrow and has the following 4 functions Set and control the working depth To pack the soil evenly behind the rotors and create an optimum seedbed To increase seedbed crumb...

Page 34: ...layey and sticky The roller is fitted with a scraper bar Scraper plates are located between the rows of studs to ensure roller cleaning or Maxipacker roller HR4004D HR4504D The Maxipacker roller is ad...

Page 35: ...which seeds are placed The roller is fitted with a scraper bar The scraper plates are placed between the rubber bandings to clean the roller or Steelliner roller HR4004D HR4004D D 550 mm 1 9 65 e 125...

Page 36: ...cordance 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 the driver s seat...

Page 37: ...r 37 mm 1 45 for the lower links A top link hitch pin of diameter 32 mm 1 26 A PTO shaft 6 1 2 Preparing the tractor Check that the tractor s authorized gross weight as well as its lift capacity and m...

Page 38: ...The 540 rpm pto shaft must be used occasionally and only for shallow work in light conditions or for work which does not require a tractor power exceeding 73kW 100hp The front axle load 1 must never u...

Page 39: ...osition lower links in accordance with tractor attachment category Category 2 linkage a Position only to be used on exceptional occasions L 825 mm 2 8 approximately Category 3 linkage b L 965 mm 3 2 a...

Page 40: ...PTO shaft angles and tractor lift capacity the top link must be parallel to the lower links or slightly pointing downwards towards the tractor Insert hitch pin anti rotation arm 1 in the machine moun...

Page 41: ...two half PTO shafts and connect them to the machine s input shaft and to the tractor PTO stub Check the length of the PTO shaft Fully raise the machine When extended to the maximum the tube overlap mu...

Page 42: ...place and fixed with the chains provided Attach PTO shaft guard chain in hole 1 on machine side Immediately replace any worn or damaged guard 6 1 5 Cam type cut out clutch The PTO shaft is factory fit...

Page 43: ...an overload occurs When the cut out clutch releases it cuts out torque transmission to the machine When the cam type cut out clutch releases Disengage tractor PTO Reduce PTO speed Lift the machine of...

Page 44: ...move cam type cut out clutch guard Loosen clamp cone by unscrewing the cone a few turns Drive pin out using a punch of diameter 10 mm 0 4 Fully remove clamp cone Remove cam type cut out clutch from in...

Page 45: ...xceed the maximum allowable DIN engine power 184 kW 250 hp Altering the setting Before disassembling check that the cam type cut out clutch is engaged Remove cam type cut out clutch from input shaft U...

Page 46: ...Using a vernier caliper Note On first removal of the slip clutch use Graph below to determine measurement L The value must be comprised between 48 9 mm 1 92 and 49 7 mm 1 95 Adjust measure L to the re...

Page 47: ...faces head screw 1 of spring cartridge in a vice Remove roll pin 2 Tighten or loosen nut 3 Reinstall roll pin 2 Grease all components Reinstall the assembly and make sure that the cams are positioned...

Page 48: ...hat rotates in the same direction and at the same speed as the tractor PTO The rear PTO enables driving a complementary tool When using the rear PTO output stub remove guard 1 and fit plastic safety g...

Page 49: ...by inverting the standard gearwheels or by using optional gearwheel sets Select required rotor speed from the following chart A A Gearwheel position kW hp Max 73 100 540 min 169 204 232 140 190 750 mi...

Page 50: ...ctory preset on a reference roller The scraper bar is factory fitted with Packer PK2 roller Hard coated plates Maxipacker roller Hard coated plates Steelliner roller for HR4004D Hard coated plates Pac...

Page 51: ...per do not contact by rotating the roller Tigthen nut Torque 8 daNm 59 lbf ft Ensure the plates are fitted central to the stud rows Note the scraper plate mounting direction ensure that the hard coati...

Page 52: ...necessary Torque 8 daNm 59 lbf ft Check the scraper centring between the roller conical tires Packer PK2 roller Nylon scraper plate HR4004D HR4504D The nylon scraper plate is permanently in contact wi...

Page 53: ...oils with small amounts of plant residue or stones Fitting and adjusting the nylon scraper plate Place nylon plate between 2 metallic scraper plates The plastic pad must exceed the metal plates by 10...

Page 54: ...sen the 4 nuts 1 Adjust side deflector 2 to the required position Tighten the 4 nuts 1 Adjust both sides to the same setting Loosen the 2 nuts 1 Set side deflector anti ridging plate in the required p...

Page 55: ...ing hydraulic lift Removal Optional equipment Lights and indicators Coupling and uncoupling Optional equipment Front signalling elements Coupling and uncoupling Park the machine on an even fairly leve...

Page 56: ...any other equipment in perfect working order complying with safety standards in force for this type of equipment and with capacities that exceed the total weight of the unit as listed in this manual...

Page 57: ...equipment is used follow specific procedures mentioned in the related section Optional equipment Hydraulic lift linkage Putting the machine into transport position Optional equipment Rear attachment w...

Page 58: ...plies with current highway code regulations Check that reflectors are clean During transport adapt the travel speed to suit the road conditions 7 3 Machine transport using transport means 134035 Speci...

Page 59: ...e person moves away When optional equipment is used follow specific procedures mentioned in the related section Optional equipment Hydraulic lift linkage Putting the machine into work position Optiona...

Page 60: ...both sides to the same setting When optional equipment is used follow specific procedures mentioned in the related section Optional equipment Standard linkage Adjustment Optional equipment Hydraulic l...

Page 61: ...complete stop and apply park brake Lower the machine until the blades are at a distance of 100 150 mm 3 9 5 9 with regards to the ground Engage tractor PTO drive before working with the machine Engagi...

Page 62: ...hout sticking Tractor power Adapt working depth speed and rotor speed to power available and work to be carried out Never exceed the maximum allowable DIN engine power 184 kW 250 hp The nature of the...

Page 63: ...gearwheels Set of 30 and 35 teeth gearwheels Set of 32 and 33 teeth gearwheels Gearwheel position kW hp Max 73 100 540 min 169 204 232 140 190 750 min 173 235 283 322 184 250 1000 min 230 313 190 377...

Page 64: ...quipment KN208JGB_C Power harrow Refer to the decal fitted on the machine 9 2 Standard linkage This equipment allows an additional machine to be coupled The equipment comprises the following component...

Page 65: ...the lower links The bent part of spacer 2 can be positioned upwards or downwards to avoid interference with the additional machine Tension stabilisation chains 3 Height of the lower linkage arms Use c...

Page 66: ...risk before all moving parts have come to a complete stop 1 1 2 REPOSER LE SEMOIR AU SOL LOWER SEEDER TO THE GROUND S MASCHINE IMMER ABSENKEN APPOGGIARE LA SEMINATRICE AL SUOLO DEJAR LA SEMBRADORA EN...

Page 67: ...gle acting spool valve Adjustment Categories of linkage The hydraulic attachment can be adapted for additional machines with a standard linkage category 1 or 2 a Category 1 linkage adaptation A 683 mm...

Page 68: ...ent brackets The attachment hooks can be positioned at 2 different heights to obtain best adaptation of the additional machine Remove bolts 2 and nuts 1 Place hook 4 and spacers 3 in the required posi...

Page 69: ...rst See section Optional equipment Hydraulic lift linkage Putting the machine into work position 2 3 1 a L b c REPOSER LE SEMOIR AU SOL LOWER SEEDER TO THE GROUND S MASCHINE IMMER ABSENKEN APPOGGIARE...

Page 70: ...onal equipment Hydraulic lift linkage Optional equipment Hydraulic lift linkage stroke limiters Activate the single acting valve that controls the lift cylinders of the hydraulic lift linkage Attach o...

Page 71: ...ulic valve in float position Couple up the PTO shaft between the power harrow and the additional machine When optional equipment is used follow specific procedures mentioned in the related section Opt...

Page 72: ...ift linkage When the PTO shaft is in its maximum overlap position retracted tubes should not butt against the yokes Keep a minimum safety travel L of 25 mm 1 Fit the stroke limiters to the hydraulic l...

Page 73: ...e outside At the start of each season Wipe off grease on cylinder rods 9 4 Rear attachment with double acting hydraulic lift This equipment allows an additional machine to be coupled The equipment com...

Page 74: ...ADORA EN EL SUELO AVANT L ARRET DU MOTEUR AVANT TOUTE INTERVENTION AVANT LA DEPOSE DE L ENSEMBLE BEFORE STOPPING TRACTOR ENGINE BEFORE ANY MAINTENANCE BEFORE REMOVING FROM TRACTOR VOR ABSTELLEN DES MO...

Page 75: ...uble acting valve Adjustments Attachment brackets The attachment hooks can be fitted in 6 different positions to obtain best adaptation of the additional machine High position 3 positions factory fitt...

Page 76: ...ay on the other side Disconnect the hydraulic ground pressure control system to fully lower the rear attachment lift 1 Lower the tractor three point linkage Lower the rear attachment lift Place the lo...

Page 77: ...sconnect and place hydraulic hose couplers in their holders 2 1 3 4 3 2 1 1 1 REPOSER LE SEMOIR AU SOL LOWER SEEDER TO THE GROUND S MASCHINE IMMER ABSENKEN APPOGGIARE LA SEMINATRICE AL SUOLO DEJAR LA...

Page 78: ...ne From the working position Uncouple the PTO shaft between the power harrow and the additional machine Activate the transport work cylinder control valve in the pivot into transport position Remove p...

Page 79: ...nch pin 2 Activate the tractor double acting valve in the working position direction Couple up the PTO shaft between the power harrow and the additional machine Lower the machine until the blades are...

Page 80: ...ar attachment lift to check the setting Repeat procedure if necessary Chain More precise adjustment Attach one of the chain links on the spring coil 1 Lower the rear attachment lift to check the setti...

Page 81: ...the points to be greased Clean grease nipples before greasing Lubricate with multi purpose grease grade NLGI 2 Every 100 hours Grease Pivot points 9 4 8 Storage At the end of each season Grease the cy...

Page 82: ...following components A set of tine holders A set of 2 track eradicator tines With traction bolt overload mechanism a or With spring overload mechanism b Only use track eradicators for secondary tilla...

Page 83: ...res or dual wheels 2 track eradicators with traction bolt overload mechanism 2 track eradicators with spring overload mechanism If the distance between track eradicators and tyres is too small fit low...

Page 84: ...eaks With spring overload mechanism The track eradicator automatically resets to its work position after having cleared the obstacle Track eradicators with the spring overload mechanism are recommende...

Page 85: ...and indicators The machine can be fitted with specific signalling lights to comply with the road regulations The rear device is made up of the following components 2 reflective pannels 2 tail lights...

Page 86: ...signalling panels to comply with the road regulations The side device is made up of the following components 2 reflective pannels 2 amber reflectors 1 9 9 Front signalling elements The machine can be...

Page 87: ...nection Connect the 7 pin plug of the complementary machine to plug 1 Connect 7 pin plug to the tractor 2 Uncoupling the machine Disconnect and store signalling plug on machine 2 9 10 USA signalling e...

Page 88: ...s face towards the machine front direction of travel Front position The front levelling bar levels irregular grounds and helps brake up dry clods Rear position The rear levelling bar increases the cru...

Page 89: ...g bar according to The soil conditions The working depth The height adjustment is correct when the soil flow hits the rear levelling bar Make sure there is enough clearance between the lower edge and...

Page 90: ...HR4004D 4504D 90 9 Optional equipment KN208JGB_C Power harrow 9 13 Adaptation parts for VENTA LC HR4004D This equipment enables integrating a VENTA LC seed drill to the machine...

Page 91: ...ring 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 10 1 Frequency chart Maintenance inte...

Page 92: ...ectors 2 Rollers 3 The roller scrapers 4 Underneath the roller arms 5 The breather plugs 10 3 Lubrication Before leaving the tractor or before adjusting maintaining or repairing the machine disengage...

Page 93: ...irst time Grease the transmission During intensive use with tractors of maximum authorized power it is recommended to grease at closer intervals Every 250 hours or at the end of the season U joints 1...

Page 94: ...of 100 to 150 hours 10 3 3 Draining Gearbox Before draining oil operate the machine for a few minutes so that the oil warms up HR4004D HR4504D Oil volume 6 L 1 58 US gal Type of oil Mineral oil Gear o...

Page 95: ...plug 3 and its washer Replace if necessary Adjust the top link length so that the machine is horizontal with regards to the ground Pour the correct oil quantity and quality through the opening of the...

Page 96: ...eck oil level and top up if necessary Check that there are no oil leaks on the central gearbox 10 4 2 Checking the blades and their mounting hardware Immediately replace worn or damaged parts with gen...

Page 97: ...until all moving parts have come to a complete stop and apply park brake Clean the blade holder to clear the lynch pin Pivot lynch pin ring using unlocking key supplied with the machine Remove lynch...

Page 98: ...ame way on each rotor Securing elements Check the condition of the lynch pins after each blade replacement Replace them if necessary Replace lynch pins every 2 or 3 blade replacement 10 4 3 Checking t...

Page 99: ...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 Remove screws and nuts 1 Replace if necessary Replacing the sid...

Page 100: ..._C Power harrow Blade holder position Clean the blade holder to clear the lynch pin Pivot lynch pin ring using unlocking key supplied with the machine 90 8 74 24 58 40 42 26 72 10 88 6 76 56 90 8 74 2...

Page 101: ...ce 2 Loosen screw 3 Remove washer 4 Remove blades 5 Remove blade holder 6 Remove oil seal 7 using a screwdriver Clean and lubricate oil seal housing Fit new oil seal using special tool 8 The oil seal...

Page 102: ...eplace worn or damaged blades Check and replace worn or damaged scraper plates Touch up any areas of damaged paintwork Put the machine under cover in a dry place Remove and service the PTO shaft Follo...

Page 103: ...f the Eurasian Economic Community EAC marking 10 6 Dismantling and scrapping of the machine At the end of the machine s life the various machine components must be disposed of or recycled in complianc...

Page 104: ...rallel Insufficient machine side to side stabilization Use lower linkage arm stabilizers Excessive power requirement Working depth too deep Reduce working depth by means of the roller Rotor speed too...

Page 105: ...as close as possible to the ground and roller Excessive wear on blades and blade holders PTO speed is too high Reduce PTO speed Levelling bar mounted at the rear Remove rear levelling bar if not requi...

Page 106: ...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 must always represent 20 of the tractor unladen weight Prior to use check...

Page 107: ...ravity 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...

Page 108: ...nual 3 Calculation of the total weight M real If the rear tool M2 is lighter than the minimum load required at the rear minimum increase tool weight until the required minimum rear load is reached Ind...

Page 109: ...ght kg kg Load on front axle kg kg kg Load on rear axle kg kg kg The minimum ballasting must be made by fitting a tool or an additional mass to the tractor The values obtained must be below or equal t...

Page 110: ...D 110 12 Appendix KN208JGB_C Power harrow T1 Load on front axle Tractor only T2 Load on rear axle Tractor only T Axle loads Tractor only T1 _____kg T1 ________ kg T2 _____kg T2 ________ kg T _____kg T...

Page 111: ...or 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 tanks...

Page 112: ...ing the distance d d b x T1 t1 M2 c Front tool If the total unit weight exceeds the tractor Gross Combined Weight Rating in accordance with the countrie s legislation empty the hopper to travel on pub...

Page 113: ...113 KN208JGB_C Power harrow t2 Load on rear axle Tractor machine t Axle loads Tractor machine Calculating the front tool weight M1 t T Calculating the distance a a b x T2 t2 M1 t2 _____kg t2 ________...

Page 114: ...manufacturer 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...

Page 115: ...and quantity 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...

Page 116: ...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 120: ...HARD SAS 24 route de Nantes F 44680 CHEMERE FRANCE KUHN HUARD SAS 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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