KUHN HR4004D Operator's Manual
  1. Manuals
  2. Brands
  3. KUHN Manuals
  4. Farm Equipment
  5. HR4004D
  6. Operator's manual
KUHN HR4004D Operator's Manual

KUHN HR4004D Operator's Manual

Power harrow
Hide thumbs Also See for HR4004D:
Table of Contents

Advertisement

Quick Links

Download this manual
Operator's manual
KN208JGB_C
Read carefully before starting the machine
Power harrow
Original instructions
KN208JGB_C
- English - 12-2019

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the HR4004D and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for KUHN HR4004D

Summary of Contents for KUHN HR4004D

  • Page 1 Operator's manual KN208JGB_C Read carefully before starting the machine Power harrow Original instructions KN208JGB_C - English - 12-2019...

  • Page 3: Dear Owner

    1. Dear Owner In buying a Kuhn machine you have chosen wisely. Into it have gone years of thought, research and improvement. You will find, as have thousands of owners all over the world, that you have the best that engineering skill and actual field testing can produce.

  • Page 4: Table Of Contents

    Power harrow HR4004D-4504D 2. Contents Dear Owner ........................3 Contents ..........................4 Identification of the machine..................8 Front view ............................8 Rear view ............................8 Model identification plate ......................... 9 Optional equipment........................10 Safety..........................11 Description of symbols used in this document................11 Safety instructions ......................... 12 4.2.1...
  • Page 5 Power harrow HR4004D-4504D Machine specifications....................30 Description and glossary ....................... 30 5.1.1 Designated use of the machine..................31 Technical specifications ......................... 31 5.2.1 Designated parameters ....................32 Required equipment ........................32 5.3.1 Intermediate PTO shaft ....................32 5.3.2 Power harrow blades......................32 5.3.3...
  • Page 6 Power harrow HR4004D-4504D Optional equipment......................63 Sets of gearwheels ........................63 Standard linkage ..........................64 9.2.1 Adjustment........................65 Hydraulic lift linkage ........................65 9.3.1 Location and description of safety decals on the machine ..........66 9.3.2 Coupling and uncoupling ....................67 9.4.3...
  • Page 7 Power harrow HR4004D-4504D 10.3 Lubrication ............................. 92 10.3.1 Trough ..........................93 10.3.2 Primary PTO shaft ......................93 10.3.3 Draining ..........................94 10.3.4 Greasing........................... 95 10.4 Maintenance ..........................96 10.4.1 Gearbox oil level check ....................96 10.4.2 Checking the blades and their mounting hardware ............96 10.4.3 Checking the side deflectors ....................

  • Page 8: Identification Of The Machine

    Power harrow HR4004D-4504D 3. Identification of the machine Front view Rear view 3. - Identification of the machine KN208JGB_C...

  • Page 9: Model Identification Plate

    Model identification plate - Please write 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. • (1) The manufacturer: • (2) Type: •...

  • Page 10: Optional Equipment

    Power harrow HR4004D-4504D Optional equipment - Tick box corresponding to the equipment fitted on your machine: HR4004D / HR4504D  Set of gearwheels.  Standard linkage.  Hydraulic lift linkage.  Hydraulic lift linkage stroke limiters.  Rear attachment with double acting hydraulic lift.

  • Page 11: Safety

    Power harrow HR4004D-4504D 4. Safety Description of symbols used in this document This symbol 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 strictly, could result in machinery damage.

  • Page 12: Safety Instructions

    Power harrow HR4004D-4504D Safety instructions 4.2.1 Introduction The machine must only be operated, maintained and repaired by competent persons who are familiar with machines' specifications and operation and aware safety regulations preventing accidents. The operator must imperatively respect safety instructions in this manual and in the warnings posted on the machine.

  • Page 13: Precautions To Be Taken Before Carrying Out Any Operations On The Machine

    Power harrow HR4004D-4504D 4.2.3 Precautions to be taken before carrying out any operations on the machine - 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 complete stop and apply park brake.

  • Page 14: Precautions When Driving

    Power harrow HR4004D-4504D 4.2.5 Precautions when driving - Tractor handling, stability, performance and braking efficiency are all affected by weight distribution, trailed or mounted implements, additional ballast and driving conditions. It is therefore of great importance that the operator exercises caution in every given situation.
  • Page 15 Power harrow HR4004D-4504D - Always obey current regulations for driving on roads.  Gross weight and weight per axle The drawings are not legally binding, their only aim is to illustrate the method to use. Prior to driving on public roads, check that all...
  • Page 16 Power harrow HR4004D-4504D Description of symbols Descri Units Description ption Tractor unladen weight PTAC Gross Combined Weight Rating Unladen load on tractor front axle Empty load on tractor rear axle Axle loads (Tractor + machine) Load on front axle (Tractor + machine)
  • Page 17 Power harrow HR4004D-4504D Stage 2: - Couple the machine to the tractor. - To measure: Load on front axle (t1): • Tractor + machine (transport position). - 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.

  • Page 18: Maximum Speed

    Power harrow HR4004D-4504D Stage 4: - To measure: Load on rear axle (t2): • Tractor + machine (transport position). kg kg • Ballast weights. Checking: - Check in the tractor's operator's manual that the value measured is below the maximum allowed tractor rear axle load.

  • Page 19: Hydraulic Circuit

    Power harrow HR4004D-4504D 4.2.9 Hydraulic circuit Caution! The hydraulic circuit is under high pressure. Maximum pressure at work: 200 bar (2901 psi). - Before connecting hoses to the tractor hydraulics, ensure that tractor and machine circuits are not under pressure. Before disconnecting a hose, depressurize the hydraulic circuit.

  • Page 20: Pto Shaft

    Power harrow HR4004D-4504D 4.2.10 PTO shaft - Use only PTO shafts supplied with the machine or recommended by the machine manufacturer. The protective shield of the tractor PTO stub, the PTO shaft guards and the protective shield of the machine input shaft must always be in place and in good condition.

  • Page 21: Precautions During Manoeuvres

    Power harrow HR4004D-4504D PTO type Diameter X splines A ±5 mm (0.20’’) 35 mm (1.378’’) 85 mm (3.35’’) 36 mm (1.42’’) 85 mm (3.35’’) 35 mm (1.378’’) 85 mm (3.35’’) 45 mm (1.772’’) 100 mm (4.00’’) 44 mm (1.732’’) 100 mm (4.00’’)

  • Page 22: Waste Disposal

    - For your own safety and for correct machine operation, only use original manufacturer parts. - It is strongly recommended to have your machine checked by your Kuhn dealer after each season, especially tools and their attaching hardware (nuts, bolts, etc.).

  • Page 23: Projection Of Stones And Foreign Objects

    Power harrow HR4004D-4504D 4.2.16 Projection of stones and foreign objects - For driver safety, always use a tractor equipped with a cab. Never start the machine when there are people nearby. Even when the machine is used in accordance with its purpose, objects may be projected.

  • Page 24: Precautions To Take Before Using The Parking Stands

    Power harrow HR4004D-4504D 4.2.18 Precautions to take before using the parking stands 134138: Specific requirements for countries member of the Eurasian Economic Community (EAC 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 marking).

  • Page 25: Location And Description Of Safety Decals On The Machine

    Power harrow HR4004D-4504D Location and description of safety decals on the machine 4.3.1 Location of safety decals 4. - Safety KN208JGB_C...

  • Page 26: Description Of Safety Decals

    Power harrow HR4004D-4504D 4.3.2 Description of safety decals  Operating instructions (1) - The operators' manual contains all the information necessary for using the machine safely. It is imperative to read and comply with all instructions.  Working on the machine (2)
  • Page 27 Power harrow HR4004D-4504D  Projections (3) - Stones and other debris projected by the moving parts can travel 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 the rotors are turning.

  • Page 28: Road Safety Equipment And Recommendations

    Road safety equipment and recommendations The road safety equipment is mounted in the factory or by your authorized Kuhn dealer according to current safety regulations. - Always keep to the legal speed limit for driving a tractor-machine assembly on public roads.

  • Page 29: Incorrect Use Of The Machine By The User

    Power harrow HR4004D-4504D Incorrect use of the machine by the user 133996: Specific requirements for countries member of the Eurasian Economic Community (EAC marking): • 133998: Specific requirements for countries member of the Eurasian Economic Community (EAC marking). • 133999: Specific requirements for countries member of the Eurasian Economic Community (EAC marking).

  • Page 30: Machine Specifications

    Power harrow HR4004D-4504D 5. Machine specifications Description and glossary Gearbox Roller Scraper bar Anti-ridging plate Side deflector Blade Lower links Blade holder PTO shaft Trough 10 : 5. - Machine specifications KN208JGB_C...

  • Page 31: Designated Use Of The Machine

    Power harrow HR4004D-4504D 5.1.1 Designated use of the machine HR4004D-HR4504D power harrows must only be used for work for which they have been designed: Seedbed preparation on ploughed ground or in min-tilled ground with or without simultaneous seeding. Technical specifications...

  • Page 32: Designated Parameters

    Power harrow HR4004D-4504D 5.2.1 Designated parameters 134013: Specific requirements for countries member of the Eurasian Economic Community (EAC marking). Required equipment The machine is factory delivered with the following equipment: 5.3.1 Intermediate PTO shaft • 1 3/8’’ - 6 spline pto shaft.

  • Page 33: Rollers

    The machines are factory fitted with one of the following rollers:  Maxicrumbler roller HR4004D / HR4504D The Maxicrumbler roller is adapted to dry or slightly wet soils. This equipment is not recommended when the power harrow is used in combination with a seed drill.
  • Page 34 Power harrow HR4004D-4504D  Packer PK2 roller HR4004D / HR4504D The Packer PK2 roller is adapted to soils which are subject to capping or very clayey and sticky. The roller is fitted with a scraper bar. Scraper plates are located between the rows of studs to ensure roller cleaning.
  • Page 35 Power harrow HR4004D-4504D  Packliner roller HR4004D / HR4504D HR4004D HR4504D D = 592 mm (1’11.3’’) e = 125 mm (4.92’’) D = 592 mm (1’11.3’’) e = 143 mm (5.63’’) The Packliner roller creates rows at regular depth into which seeds are placed. The roller is fitted with a scraper bar.

  • Page 36: Sound Levels

    Power harrow HR4004D-4504D Sound levels Sound levels have been 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 the driver's seat (closed cabin) L (A) eq:...

  • Page 37: Putting Into Service

    Power harrow HR4004D-4504D 6. Putting into service Coupling and uncoupling 6.1.1 Description of coupling elements  Category 2 linkage: • 2 Hitch pin diameter 28 mm (1.10’’) for the lower links. • A top link hitch pin of diameter 25 mm (0.98’’).
  • Page 38 Power harrow HR4004D-4504D The tractor must be fitted with lower link stabilizers. The power harrow can also be used with tractors equipped with pto-shafts of 540 rpm and 750 rpm. The rotors are then driven at intermediate speeds. The 540 rpm pto-shaft must be used...

  • Page 39: Coupling The Machine

    Power harrow HR4004D-4504D  Lateral adjustment of the lower links - Distribute the play on each side of the lift linkage. - Check that the stabilisers function properly (Adjustment, Locking / Unlocking). 6.1.3 Coupling the machine - Remove the lower hitch pins.
  • Page 40 Power harrow HR4004D-4504D - When the tractor is fitted with a standard 3 point attachment category 2, use category 2 upper hitch pins (Available as spare part). - When the tractor is fitted with a standard 3 point attachment category 3, use category 3 upper hitch pins (Factory supplied).

  • Page 41: Primary Pto Shaft

    Power harrow HR4004D-4504D 6.1.4 Primary PTO shaft Before using the machine for the first time: - Grease the transmission. - Check overlap of the u-joint drive shaft and adjust length if necessary to avoid any premature wear. The direction of rotation is shown on a decal.

  • Page 42: Cam Type Cut-Out Clutch

    Power harrow HR4004D-4504D Never operate the PTO shaft at an angle X exceeding 30°. To avoid serious accidents, the PTO drive shaft guards must be properly in place and fixed with the chains provided. - Attach PTO shaft guard chain in hole (1) on machine side.
  • Page 43 Power harrow HR4004D-4504D - See section: • Putting into service Coupling uncoupling / Cam type cut-out clutch / Cam type cut-out clutch adjustment. If the cam type cut-out clutch does not disengage, the adjustment is too heavy. - See section: •...
  • Page 44 Power harrow HR4004D-4504D - Do not re-engage cut-out clutch by simply reducing speed (rotational frequency). This could cause premature wear of the cut-out clutch due to friction between the cams and their housings.  Fitting the cam type cut-out cluch...
  • Page 45 Power harrow HR4004D-4504D  Cam type cut-out clutch adjustment - Adjust cut-out clutch setting to the tractor power. - Never exceed 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.
  • Page 46 Power harrow HR4004D-4504D  Spring cartridge adjustment - Measure dimension L (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’’).
  • Page 47 Power harrow HR4004D-4504D By increasing the dimension L, the release effort is reduced and vice versa. - Secure hexagonal (6 faces) head screw (1) of spring cartridge in a vice. - Remove roll pin (2) - Tighten or loosen nut (3).

  • Page 48: Pto Output Stub On Gearbox

    Power harrow HR4004D-4504D 6.1.6 PTO output stub on gearbox The gearbox is factory fitted with a rear PTO output stub that rotates in the same direction and at the same speed as the tractor PTO. The rear PTO enables driving a complementary tool.

  • Page 49: Adjusting The Machine

    Power harrow HR4004D-4504D Adjusting the machine 6.2.1 Front/rear machine levelling - Adjust the top link length so that the machine is horizontal with regards to the ground. 6.2.2 Rotor speed adjustment The rotor speed can be adjusted by inverting the...

  • Page 50: Adjusting The Roller Scrapers

    The scraper plates are factory 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. • Packliner roller: Hard coated plates.  Packer PK2 roller...
  • Page 51 • Ensure that the scraper hard coating is towards the front and faces down.  Maxipacker roller HR4004D / HR4504D When the machine is attached, check that the roller can rotate freely. Adjusting the plates (2): - Loosen plate attachment nut (1).
  • Page 52 • Ensure that the scraper hard coating is towards the front and faces down.  Packliner roller HR4004D / HR4504D - Check that there is a play X of minimum 5 mm (0.2’’) between the plate and the side of the roller's prismatic profile.

  • Page 53: Adjusting The Scraper Plate Holder

    Power harrow HR4004D-4504D  Maxipacker roller (Nylon scraper plate) HR4004D / HR4504D The nylon scraper plate is permanently in contact with the roller tube for cleaning it. The nylon scraper plate is particularly well suited for light, silty or chalky soils, or soils with small amounts of plant residue or stones.
  • Page 54 Power harrow HR4004D-4504D The vertical position of the deflector must be adjusted to: • The working depth. • The blade wear. - Loosen the 4 nuts (1). - Adjust side deflector (2) to the required position. - Tighten the 4 nuts (1).

  • Page 55: Uncoupling The Machine

    Power harrow HR4004D-4504D 6.2.6 Uncoupling the machine - When optional equipment is used, follow specific procedures mentioned in the related section: • Optional equipment Hydraulic lift linkage / Removal. • Optional equipment / Rear attachment with double acting hydraulic lift Removal.

  • Page 56: Handling

    Power harrow HR4004D-4504D 6.2.7 Handling When lifting this equipment, use appropriate lift straps, chains or 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: Instructions For Transport

    Power harrow HR4004D-4504D 7. Instructions for transport Before placing the machine into transport position: - Wait until the rotating parts have come to a complete stop. Putting the machine into transport position - When optional equipment is used, follow specific procedures mentioned in the related section: •...

  • Page 58: Conformity With The Road Regulations

    Power harrow HR4004D-4504D Conformity with the road regulations - Before driving the machine on public roads, ensure that the machine complies with current highway code regulations. - Check that reflectors are clean. - During transport, adapt the travel speed to suit the road conditions.

  • Page 59: Instructions For Work

    Power harrow HR4004D-4504D 8. Instructions for work Putting the machine into work position Before placing the machine in working position: - Check that nobody is within the machine pivoting area. - If there is someone, make sure the person moves away.

  • Page 60: Adjustments In Working Position

    Power harrow HR4004D-4504D Adjustments in working position 8.2.1 Working depth The roller provides working depth adjustment and control. - Fit the adjustment pin (2) in one of the adjusting plate holes (1) to adapt the working depth. - Adjust both sides to the same setting.

  • Page 61: Machine Use

    Power harrow HR4004D-4504D Machine use - 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 complete stop and apply park brake.

  • Page 62: Drive Speed

    Power harrow HR4004D-4504D - Only work in straight lines. Lift the machine to turn. Use of the power harrow entails limits which must be respected in all situations and that are often related to: • Weather conditions: Avoid working during and immediately after rain, wait until the ground to be worked is completely drained.

  • Page 63: Optional Equipment

    Power harrow HR4004D-4504D 9. Optional equipment Sets of gearwheels With this equipment, additional rotor speeds may be obtained. • Set of 27 and 38 teeth gearwheels. • Set of 25 and 40 teeth gearwheels. • Set of 30 and 35 teeth gearwheels.

  • Page 64: Standard Linkage

    Power harrow HR4004D-4504D - Refer to the decal fitted on the machine: Standard linkage This equipment allows an additional machine to be coupled. The equipment comprises the following component: • A mechanical 3-point linkage. 9. - Optional equipment KN208JGB_C...

  • Page 65: Adjustment

    Power harrow HR4004D-4504D 9.2.1 Adjustment  Overhang - Loosen bolts (1). - Place lower link (2) in the required position. - Reinstall and tighten screws (1). - Adjust both sides to the same setting.  Distance between the lower links...

  • Page 66: Location And Description Of Safety Decals On The Machine

    Power harrow HR4004D-4504D Lifting capacities Tractor hydraulic Overhang Overhang pressure minimum maximum 150 bar (2175 psi) 2100 kg (4720 lb) 1600 kg (3597 lb) 180 bar (2610 psi) 2500 kg (5620 lb) 2100 kg (4720 lb) 9.3.1 Location and description of safety decals on the machine ...

  • Page 67: Coupling And Uncoupling

    Power harrow HR4004D-4504D Additional machine lowering (2) - AVANT L’ARRET DU MOTEUR REPOSER LE SEMOIR AU SOL - AVANT TOUTE INTERVENTION - Make sure that the additional machine rests on the - AVANT LA DEPOSE DE L’ENSEMBLE - BEFORE STOPPING TRACTOR ENGINE...
  • Page 68 Power harrow HR4004D-4504D (b): Category 2 linkage adaptation: • B=825 mm (2’8’’). Attachment 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 position.
  • Page 69 Power harrow HR4004D-4504D Overhang: The combination overhang can be reduced to 220 mm (8.7’’). Position (a): Factory setting. Position (b): Maximum overhang. Position (c): Minimum overhang - Remove bolts (1). - Place hydraulic attachment frame (2) in the required position.
  • Page 70 Power harrow HR4004D-4504D - Disconnect and place hydraulic hose coupler in its support.  Putting the machine into transport position From the working position: - Uncouple the PTO shaft (between the power harrow and the additional machine). - When optional equipment is used, follow...
  • Page 71 Power harrow HR4004D-4504D 9.3.3 Putting the machine into work position From the transport position: - Loosen chain (1). - Unhook safety chain ((3) side). - Activate the single acting valve that controls the lift cylinders of the hydraulic lift linkage.

  • Page 72: Maintenance

    Power harrow HR4004D-4504D By fitting the hydraulic attachment stroke limiters, the additional machine's lift height can be controlled. By removing the stroke limiters, the additional machine can be fully raised.  Putting the machine into transport position - Remove lynch pins (1).

  • Page 73: Storage

    Power harrow HR4004D-4504D  Every 100 hours - Grease: • Pivot points. 9.3.6 Storage  At the end of each season - Grease the cylinder rods in contact with the outside. A7300019 0  At the start of each season - Wipe off grease on cylinder rods.

  • Page 74: Location And Description Of Safety Decals On The Machine

    Power harrow HR4004D-4504D 9.4.1 Location and description of safety decals on the machine  Location of safety decals - AVANT L’ARRET DU MOTEUR REPOSER LE SEMOIR AU SOL - AVANT TOUTE INTERVENTION - AVANT LA DEPOSE DE L’ENSEMBLE - BEFORE STOPPING TRACTOR ENGINE...
  • Page 75 Power harrow HR4004D-4504D  Preparing the tractor The tractor must be fitted with the following component: • 1 double acting hydraulic outlet.  Hydraulic connection - Connect hydraulic hoses (1) and (2) to a double acting valve.  Adjustments (Attachment brackets)
  • Page 76 Power harrow HR4004D-4504D  Coupling the machine - Remove pin (1). - Remove pin (2). - Unlock the rear attachment hooks (3). - Proceed the same way on the other side. - Disconnect the hydraulic ground pressure control system to fully lower the rear attachment lift (1).

  • Page 77: Removal

    Power harrow HR4004D-4504D - Lock the rear attachment hooks (1). - Insert pin (2). - Fit pin (3). - Attach top link. - Proceed the same way on the other side. - Refer to the operator's manual of the machine.

  • Page 78: Putting The Machine Into Transport Position

    Power harrow HR4004D-4504D 9.4.4 Putting the machine into transport position - If the power harrow is used with an additional PTO driven machine, make sure to uncouple PTO shaft before fully raising the additional machine. From the working position: - Uncouple the PTO shaft (between the power harrow and the additional machine).

  • Page 79: Putting The Machine Into Work Position

    Power harrow HR4004D-4504D 9.4.5 Putting the machine into work position Before placing the machine in working position: - Check that nobody is within the machine pivoting area. - If there is someone, make sure the person moves away. From the transport position: - Activate the transport/work cylinder control valve in the "pivot into transport"...
  • Page 80 Power harrow HR4004D-4504D Multi hole adjustment plate (Gross adjustment): - Remove lynch pin (1). - Select hole in the multiple hole plate (2) that corresponds to the required setting. - Insert and lock lynch pin (1). - Lower the rear attachment lift to check the setting.

  • Page 81: Maintenance

    Power harrow HR4004D-4504D 9.4.7 Maintenance  Lubrication The pictorials show 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 ...

  • Page 82: Track Eradicators

    Power harrow HR4004D-4504D Track eradicators The track eradicators reduce tractor wheel marks in the seedbed. The equipment is made up of the following components: • A set of tine holders. • A set of 2 track eradicator tines: • With traction bolt overload mechanism: (a).

  • Page 83: Adjustments In Working Position

    Power harrow HR4004D-4504D 9.5.2 Adjustments in working position  Lateral adjustment - Loosen U-bolts (1). - Track eradicators must be mounted centrally to the tractor wheels. - Tighten U-bolts (1): • Torque: 21 daNm (155 lbf ft). - Fit additional track eradicators when using wide tyres or dual wheels.

  • Page 84: Safety

    Track eradicators with the spring overload mechanism are recommended for work in difficult or stony grounds. 9.5.4 Maintenance - Use genuine KUHN parts.  Share replacement Each track eradicator share is reversible for increased service life: - Replace if necessary: •...

  • Page 85: Rear Signalling Elements

    Power harrow HR4004D-4504D Rear signalling elements 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. Lights and indicators The machine can be fitted with specific signalling lights to comply with the road regulations.

  • Page 86: Lateral Signalling Equipment

    Power harrow HR4004D-4504D Lateral signalling equipment 9.8.1 Instructions specific to France The machine must be fitted with specific signalling panels to comply with the road regulations. The side device is made up of the following components: • 2 reflective pannels.

  • Page 87: Coupling And Uncoupling

    Power harrow HR4004D-4504D 9.9.1 Coupling and uncoupling  Electrical connection - 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).

  • Page 88: Front Or Rear Levelling Bar

    Power harrow HR4004D-4504D 9.11 Front or rear levelling bar The levelling bar can be fitted to the front or rear of the machine. 9.11.1 Adjustments in working position  Fitting and adjusting the levelling bars Fit levelling bars so that their angled edges face towards the machine front (direction of travel).

  • Page 89: Universal Arm Kit

    Power harrow HR4004D-4504D - Remove lock pin (2). - Use crank (1) to adjust levelling bar height. - Adjust levelling bar according to: • The soil conditions. • The working depth. - The height adjustment is correct when the soil flow hits the rear levelling bar.

  • Page 90: Adaptation Parts For Venta Lc

    Power harrow HR4004D-4504D 9.13 Adaptation parts for VENTA LC HR4004D This equipment enables integrating a VENTA LC seed drill to the machine. 9. - Optional equipment KN208JGB_C...

  • Page 91: Maintenance And Storage

    Power harrow HR4004D-4504D 10. Maintenance and storage - 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 complete stop and apply park brake.

  • Page 92: Cleaning The Machine

    Power harrow HR4004D-4504D 10.2 Cleaning the machine - Regularly check that there are no foreign objects wrapped around the blade holder (twine, wire, crop residues, ...). To prevent premature bearing housing wear, remove foreign bodies wrapped around them. - Clean regularly: •...

  • Page 93: Trough

    10.3.1 Trough The trough is lubricated for life with grade NLGI 0 semi-fluid grease (extreme pressure). Quantity: • HR4004D: 31 kg (68.3 lb). • HR4504D: 34 kg (74.9 lb). 10.3.2 Primary PTO shaft Before using the machine for the first time: - Grease the transmission.

  • Page 94: Draining

    Power harrow HR4004D-4504D During intensive with tractors maximum authorized power, 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.

  • Page 95: Greasing

    Power harrow HR4004D-4504D - Lower the tractor three-point linkage to rest the machine on the ground. - Increase top link length to tilt the machine rearwards. - Place a container of sufficient capacity under drain plug (3). - Remove filler plug (1) and its washer.

  • Page 96: Maintenance

    - 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 genuine KUHN parts.  Blades - Replace blades in the following cases: • When the wear value L reaches 150 mm (6’’).
  • Page 97 Power harrow HR4004D-4504D  Blade replacement - 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 complete stop and apply park brake.

  • Page 98: Checking The Side Deflectors

    - Check the condition of the lynch pins after each blade replacement. Replace them if necessary. - Replace lynch pins every blade replacement. 10.4.3 Checking the side deflectors - Immediately replace worn or damaged parts with genuine KUHN parts. 10. - Maintenance and storage KN208JGB_C...

  • Page 99: Oil Seal Replacement

    Power harrow HR4004D-4504D - Replace side deflectors (1) and anti-ridging plates (2) when measure L reaches: 20 mm (0.79’’).  Side deflector replacement - Before leaving the tractor or before adjusting, maintaining or repairing the machine, disengage the PTO drive, turn off...
  • Page 100 Power harrow HR4004D-4504D  Blade holder position HR4004D 90° 74° 58° 42° 26° 10° 6° 8° 24° 40° 56° 72° 88° 76° HR4504D 90° 74° 58° 42° 26° 10° 6° 22° 8° 24° 40° 56° 72° 88° 76° 60° - Clean the blade holder to clear the lynch pin.
  • Page 101 Power harrow HR4004D-4504D - Remove lynch pin (1). - Remove connecting piece (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.

  • Page 102: Storage

    Power harrow HR4004D-4504D - Grease the input shaft before reassembling all components: • Torque (3): 30 daNm (221 lbf ft). 10.5 Storage 10.5.1 At the end of each season - Clean the machine with a garden hose. - Check and replace worn or damaged blades.

  • Page 103: Storage

    Power harrow HR4004D-4504D 10.5.3 Storage • 139884: Specific requirements for countries member of the Eurasian Economic Community (EAC marking). • 139885: Specific requirements for countries member of the Eurasian Economic Community (EAC marking). • 139886: Specific requirements for countries member of the Eurasian Economic Community (EAC marking).

  • Page 104: Troubleshooting Guide

    Power harrow HR4004D-4504D 11. Troubleshooting guide    Problem Cause Remedy Noisy drive when lifting the Top link of 3-point hitch badly - Position top link parallel to machine. positioned/adjusted. lower linkage arms. Excessive lifting height. - Limit the lift linkage stroke.
  • Page 105 Power harrow HR4004D-4504D Tilth produced is too fine. Rotor speed too high. - Reduce speed by changing gearwheels in the gearbox (optional gearwheel sets). Forward speed is too slow. - Increase forward speed. Rear levelling bar is too low. - Raise or remove the levelling bar.

  • Page 106: Appendix

    Power harrow HR4004D-4504D 12. Appendix 12.1 Calculating the load on an axle When coupling a tool to the front and/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 exceeded.
  • Page 107 Power harrow HR4004D-4504D Obtained Description Units Description Tractor unladen weight Unladen load on tractor front axle Empty load on tractor rear axle Axle loads (Tractor + machine) Load on front axle (Tractor + machine) Load on rear axle (Tractor + machine)
  • Page 108 Power harrow HR4004D-4504D Front tool: 1) Calculation of the minimum front ballast weight M2 minimum      M1 a T2 b – 0 45 ---------------------------------------------------------------------------- - M2minimum minimum - Write the minimal additional weight in the chart.
  • Page 109 Power harrow HR4004D-4504D  Table Actual value obtained Value authorized Double value of the by calculation according to authorized capacity operator's manual per tyre (2 tyres) Minimum front/rear ballasting Total weight < Load on front axle < < Load on rear axle <...
  • Page 110 Power harrow HR4004D-4504D T1: Load on front axle. • Tractor only. T1 = _____kg T1 = ________ kg T2: Load on rear axle. • Tractor only. T2 = _____kg T2 = ________ kg T: Axle loads. • Tractor only. T = _____kg T = ________ kg 12.
  • Page 111 Power harrow HR4004D-4504D  Rear tool or front-rear combination - If the total unit weight exceeds the tractor Gross Combined Weight Rating 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 Power harrow HR4004D-4504D t: Axle loads. • Tractor + machine. • Hopper empty. t = _____kg t = ________ kg Calculating the rear tool weight (M2): • M2 = T - t Calculating the distance (d): • d = (( b x ( T1 - t1) ) / M2 ) - c ...
  • Page 113 Power harrow HR4004D-4504D t2: Load on rear axle. • Tractor + machine. t2 = _____kg t2 = ________ kg t: Axle loads. • Tractor + machine. t = _____kg t = ________ kg Calculating the front tool weight: • M1 = t - T Calculating the distance (a): •...

  • Page 114: Limited Warranty

    KUHN equipment from an authorized KUHN dealer, that such equipment is, at the time of delivery to such purchaser, free from defects in material and workmanship, and that such equipment is covered under this Limited Warranty providing the machine is used and serviced in accordance with the recommendations in the Operator's manual.
  • Page 115 - The warranty claim is completed on line via extranet - www.kuhn.com or submitted on a KUHN warranty claim form and returned to the Company within one month after the date of failure or the date of problem becoming apparent.
  • Page 116 $Specimen of the "Declaration of conformity" EC Declaration of conformity (European directive 2006/42/CE) The manufacturer: Manufacturer name and address declares that the product described hereafter: Brand Brand Machine Machine Type / Model : Type / Model Serial no. Serial no. - conforms to the requirements of the European directive 2006/42/CE.
  • Page 120 KUHN SAS - B.P. 50060 - F - 67706 SAVERNE CEDEX (FRANCE) KUHN-AUDUREAU SAS - B.P. 19 - F - 85260 LA COPECHAGNIERE (FRANCE) KUHN-BLANCHARD SAS - 24, route de Nantes - F - 44680 CHEMERE (FRANCE) KUHN-HUARD SAS - B.P. 49 - F - 44142 CHATEAUBRIANT CEDEX (FRANCE) KUHN-GELDROP B.V.

This manual is also suitable for:

Hr4504d

Table of Contents