KUHN HR3004D Operator's Manual
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KUHN HR3004D Operator's Manual

KUHN HR3004D Operator's Manual

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Operator's manual
KN207JGB_D
Read carefully before starting the machine
Power harrow
Original instructions
KN207JGB_D
- English - 10-2019

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Summary of Contents for KUHN HR3004D

  • Page 1 Operator's manual KN207JGB_D Read carefully before starting the machine Power harrow Original instructions KN207JGB_D - English - 10-2019...

  • 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 HR3004D-3504D 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 HR3004D-3504D Machine specifications....................31 Description and glossary ....................... 31 5.1.1 Designated use of the machine..................32 Technical specifications ......................... 32 5.2.1 Designated parameters ....................32 Required equipment ........................33 5.3.1 Intermediate PTO shaft ....................33 5.3.2 Power harrow blades......................33 5.3.3...
  • Page 6 Power harrow HR3004D-3504D Optional equipment......................70 Sets of gearwheels ........................70 Standard linkage ..........................71 9.2.1 Adjustment........................71 Hydraulic lift linkage ........................72 9.3.1 Location and description of safety decals on the machine ..........73 9.3.2 Coupling device ........................ 73 9.3.3 Adjustment........................
  • Page 7 Power harrow HR3004D-3504D 10. Maintenance and storage.................... 98 10.1 Frequency chart..........................98 10.2 Cleaning the machine ........................99 10.2.1 Packer PK2 roller (Retractable scraper bar) ..............99 10.3 Lubrication ............................. 99 10.3.1 Trough ..........................100 10.3.2 Primary PTO shaft ......................100 10.3.3 Draining ..........................

  • Page 8: Identification Of The Machine

    Power harrow HR3004D-3504D 3. Identification of the machine Front view Rear view 3. - Identification of the machine KN207JGB_D...

  • 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 HR3004D-3504D Optional equipment - Tick box corresponding to the equipment fitted on your machine: HR3004D / HR3504D  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 HR3004D-3504D 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 HR3004D-3504D 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 HR3004D-3504D 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 HR3004D-3504D 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 HR3004D-3504D - 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 HR3004D-3504D 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 HR3004D-3504D 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 HR3004D-3504D 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 HR3004D-3504D 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 HR3004D-3504D 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 HR3004D-3504D 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: Safety Decals

    Power harrow HR3004D-3504D 4.2.13 Safety decals Safety warning decals are placed in pictorial form on various parts of the machine. They are there to warn you of potential dangers and to tell you how to avoid accidents. - Always keep the safety decals clean and readable, and replace them when they are worn, damaged, missing or illegible.

  • Page 23: Precautions For Maintenance And Repair Work

    - 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 24: Projection Of Stones And Foreign Objects

    Power harrow HR3004D-3504D 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 25: Precautions To Take Before Using The Parking Stands

    Power harrow HR3004D-3504D 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 26: Location And Description Of Safety Decals On The Machine

    Power harrow HR3004D-3504D Location and description of safety decals on the machine 4.3.1 Location of safety decals 4. - Safety KN207JGB_D...

  • Page 27: Description Of Safety Decals

    Power harrow HR3004D-3504D 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 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: Likely Critical Failures

    Power harrow HR3004D-3504D The rear device is made up of the following components: • 2 red reflectors (1). The front device is made up of the following components: • 2 white reflectors (1). HR3504D - If the machine is over the maximum legal size,...

  • Page 30: Incorrect Use Of The Machine By The User

    Power harrow HR3004D-3504D 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 31: Machine Specifications

    Power harrow HR3004D-3504D 5. Machine specifications Description and glossary Gearbox Roller Scraper bar Anti-ridging plate Side deflector Blade lower links Blade holder Trough 5. - Machine specifications KN207JGB_D...

  • Page 32: Designated Use Of The Machine

    Power harrow HR3004D-3504D 5.1.1 Designated use of the machine The HR3004D-HR3504D power harrow must only be used for work for which it has been designed: Seedbed preparation on ploughed ground or in min-tilled ground with or without simultaneous seeding. Technical specifications...

  • Page 33: Required Equipment

    The machine is factory delivered with the following equipment: 5.3.1 Intermediate PTO shaft HR3004D / HR3504D • 1 3/8’’ - 6 spline pto shaft. • 1 3/8’’ - 21 spline pto shaft. • 1 3/4’’ - 6 spline pto shaft.

  • Page 34: Rollers

    Power harrow HR3004D-3504D Available as spare parts: Long blade (special for potatoes): • Standard left and right blade. • Left and right DURAKUHN blade. 5.3.3 Rollers The roller is used as a protection device at the rear of the machine. It must never be removed for work.
  • Page 35 Power harrow HR3004D-3504D  Maxicrumbler roller HR3004D / HR3504D 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.  Packer PK2 roller...
  • Page 36 HR3004D-3504D • Rigid scraper bar.  Maxipacker roller HR3004D / HR3504D The Maxipacker roller is adapted to all soil types and particularly to wet and sticky soils. The roller is fitted with a scraper bar. Scraper plates are located between the rows of studs to ensure roller cleaning.
  • Page 37 Power harrow HR3004D-3504D  Packliner roller HR3004D HR3504D D = 592 mm (1’11.3’’) e = 125 mm (4.92’’) D = 592 mm (1’11.3’’) e = 150 mm (5.91’’) The Packliner roller creates rows at regular depth into which seeds are placed. The roller is fitted with a scraper bar.

  • Page 38: Sound Levels

    Power harrow HR3004D-3504D 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: HR3004D •...

  • Page 39: Putting Into Service

    Power harrow HR3004D-3504D 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 40 Power harrow HR3004D-3504D 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 41: Preparing The Machine

    Power harrow HR3004D-3504D  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 Preparing the machine  Positioning of lower coupling yokes...

  • Page 42: Coupling The Machine

    Power harrow HR3004D-3504D Adjustment - Remove roll pin (1). - Remove pin (2). - Fit lower coupling yoke (3) in the required position. - Insert pin (2). - Insert roll pin (1) to secure pin. - Proceed the same way on the other side.
  • Page 43 Power harrow HR3004D-3504D • Category 3 linkage (b): • L= 965 mm (3’03’’) (approximately). This position must be used when the power harrow is used in combination with a seed drill. - Position ball joints of tractor lower links in line with holes of machine lower yokes.

  • Page 44: Primary Pto Shaft

    Power harrow HR3004D-3504D - Insert hitch pin anti-rotation arm (1) in the machine mounting yoke and secure with lock pin. - Lock tractor lower link stabilisers. - When optional equipment is used, follow specific procedures mentioned in the related section: •...
  • Page 45 Power harrow HR3004D-3504D The direction of rotation is shown on a decal. - Separate the 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: •...

  • Page 46: Cam Type Cut-Out Clutch

    Power harrow HR3004D-3504D - Attach PTO shaft guard chain in hole (1) on machine side. - Immediately replace any worn or damaged guard. 6.1.6 Cam type cut-out clutch The PTO shaft is factory fitted with a cam type cut- out clutch.
  • Page 47 Power harrow HR3004D-3504D When the cam type cut-out clutch releases: • Disengage tractor PTO. • Reduce PTO speed. • Lift the machine off the ground. • Engage the tractor PTO. The cam type cut-out clutch re-engages automatically. If a foreign object gets caught in the...
  • Page 48 Power harrow HR3004D-3504D  Cam type cut-out clutch removal - Uncouple PTO shaft on machine side. - remove 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’’).
  • Page 49 Power harrow HR3004D-3504D Using a screwdriver: - Remove seal (1). - Remove circlip (2). - Remove the hub assembly: • Disengage cams (3) taking note of their position. • Remove spring cartridge (4).  Spring cartridge adjustment - Measure dimension L (Using a vernier caliper).
  • Page 50 Power harrow HR3004D-3504D 1000 min 220 [300] 184 [250] 147 [200] 110 [150] kW (hp) 74 [100] 36 [50] L [mm] Factory setting 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.

  • Page 51: Pto Output Stub On Gearbox

    Power harrow HR3004D-3504D 6.1.7 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 52: Adjusting The Machine

    Power harrow HR3004D-3504D 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 53: Adjusting The Roller Scrapers

    Power harrow HR3004D-3504D - Refer to the decal fitted on the machine: [ . ] . - Reduce top link length to slightly tilt the machine forward. - Remove screws (1) and gearbox cover (2). - Position gearwheels according to the required speed.
  • Page 54 Power harrow HR3004D-3504D The scraper bar is factory fitted with: • Packer PK2 roller: Non coated plates (HR3004D). • Maxipacker roller: Hard coated plates. • Packliner roller: Hard coated plates. • Steelliner roller: Hard coated plates (distance : 125 mm (4.92’’)).
  • Page 55  Maxipacker roller / Steelliner roller HR3004D / HR3504D When the machine is attached, check that the roller can rotate freely. Adjusting the plates (2): - Loosen plate attachment nut (1).
  • Page 56 Power harrow HR3004D-3504D  Packliner roller HR3004D / HR3504D - 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. - Adjust if necessary: • Torque: 8 daNm (59 lbf ft).
  • Page 57 Power harrow HR3004D-3504D  Packer PK2 roller (Rigid scraper bar / Nylon scraper plate) HR3004D 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 58: Adjusting The Scraper Plate Holder

    - For safety reasons, it is not allowed to fold the side deflectors over the trough.  Vertical adjustment HR3004D / HR3504D The vertical position of the deflector must be adjusted to: • The working depth. • The blade wear.
  • Page 59 Power harrow HR3004D-3504D - Loosen the 4 nuts (1). - Adjust side deflector (2) to the required position. - Tighten the 4 nuts (1). - Adjust both sides to the same setting.  Lengthways adjustment HR3004D The longitudinal (front-rear) position of the deflector anti-ridging plate must be adapted to: •...

  • Page 60: Roller Rear Offset Adjustment

    Power harrow HR3004D-3504D 6.2.6 Roller rear offset adjustment HR3004D For machines fitted with the following rollers: • Maxicrumbler roller. • Packer PK2 roller. • Maxipacker roller. • Packliner roller. • Steelliner roller. The roller is mounted in position (a): - It is forbidden to alter this setting.

  • Page 61: Crumbler Roller Adjustment

    Power harrow HR3004D-3504D From the working position: - Remove roll pins (1): 1 on each machine side. - Remove pins (2): 1 on each machine side. - Position roller in holes corresponding to the required assembly. - Reinstall pins (2): 1 on each machine side.

  • Page 62: Uncoupling The Machine

    Power harrow HR3004D-3504D  With removable rods removed HR3004D Recommended for use in wetter conditions, it reduces risk of clogging. Produces a coarser crumbling and levelling. To remove the rods: - Remove roll pins (1). - Dislodge rods using a hammer.
  • Page 63 Power harrow HR3004D-3504D - Park the machine on an even fairly level ground. - Lower the tractor three-point linkage to rest the machine on the ground. - Disconnect the PTO shaft from the tractor. - Place PTO shaft in holder (1).

  • Page 64: Instructions For Transport

    Power harrow HR3004D-3504D 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 65: Conformity With The Road Regulations

    Power harrow HR3004D-3504D 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 66: Instructions For Work

    Power harrow HR3004D-3504D 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 67: Adjustments In Working Position

    Power harrow HR3004D-3504D 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 68 Power harrow HR3004D-3504D - 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. Engaging the machine in the ground before...

  • Page 69: Drive Speed

    Power harrow HR3004D-3504D The clod size depends on: • The rotor speed. • The forward speed. • The working depth. • the use of levelling bars (Optional equipment). • The Crumbler roller being fitted or not with removable bars. Example: large clods result from a low rotor speed and a high forward speed.

  • Page 70: Optional Equipment

    9. Optional equipment Sets of gearwheels With this equipment, additional rotor speeds may be obtained. HR3004D / HR3504D • Set of 27 and 38 teeth gearwheels. • Set of 25 and 40 teeth gearwheels. • Set of 30 and 35 teeth gearwheels.

  • Page 71: Standard Linkage

    Power harrow HR3004D-3504D Standard linkage This equipment allows an additional machine to be coupled. The equipment comprises the following component: • A mechanical 3-point linkage. 9.2.1 Adjustment  Overhang - Loosen bolts (1). - Place lower link (2) in the required position.

  • Page 72: Hydraulic Lift Linkage

    Power harrow HR3004D-3504D  Distance between the lower links - Change the position of the 4 R-clip (1) on bent spacer (2) to alter the distance between the lower links. The bent part of spacer (2) can be positioned upwards or downwards to avoid interference with the additional machine.

  • Page 73: Location And Description Of Safety Decals On The Machine

    Power harrow HR3004D-3504D 9.3.1 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 74: Adjustment

    Power harrow HR3004D-3504D  Preparing the tractor The tractor must be fitted with the following component: • 1 single acting hydraulic outlet.  Hydraulic connection - Connect hydraulic hose to a single acting spool valve. 9.3.3 Adjustment  Categories of linkage...
  • Page 75 Power harrow HR3004D-3504D - Remove bolts (2) and nuts (1). - Place hook (4) and spacers (3) in the required position. - Reinstall bolts (2) and nuts (1): • Torque: 42 daNm (309 lbf ft). - Adjust both sides to the same setting.

  • Page 76: Removal

    Power harrow HR3004D-3504D Position (b): Maximum overhang. Position (c): Minimum overhang. - Remove bolts (1). - Place hydraulic attachment frame (2) in the required position. - Reinstall bolts (1): • (1) Torque: 25 daNm (184 lbf ft). • (3) Torque: 17 daNm (125 lbf ft).
  • Page 77 Power harrow HR3004D-3504D - When optional equipment is used, follow specific procedures mentioned in the related section: • Optional 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.

  • Page 78: Putting The Machine Into Work Position

    Power harrow HR3004D-3504D 9.3.6 Putting the machine into work position From the transport position: - Activate the single acting valve that controls the lift cylinders of the hydraulic lift linkage. - Loosen chain (1). - Unhook safety chain ((3) side).

  • Page 79: Maintenance

    Power harrow HR3004D-3504D 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 80: Storage

    Power harrow HR3004D-3504D Every 100 hours - Grease: • Pivot points. 9.3.9 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 81: Rear Attachment With Double Acting Hydraulic Lift

    Power harrow HR3004D-3504D Rear attachment with double acting hydraulic lift This equipment allows an additional machine to be coupled. The equipment comprises the following component: • A 3-point hydraulic attachment category 2. The lift capacity is of approximately 3300 daN (7418lbf) for a tractor pressure of 180 bar (2610 psi).

  • Page 82: Coupling Device

    Power harrow HR3004D-3504D Additional machine lowering (2) - AVANT L’ARRET DU MOTEUR - Make sure that the additional machine rests on the REPOSER LE SEMOIR AU SOL - AVANT TOUTE INTERVENTION - AVANT LA DEPOSE DE L’ENSEMBLE - BEFORE STOPPING TRACTOR ENGINE...
  • Page 83 Power harrow HR3004D-3504D - Loosen screw (3). - Remove bolt (2) and nut (1). - Place hook (4) in the required position. - Reinstall bolt (2) and nut (1): • Torque (2) (3): 42 daNm (309 lbf ft). - Adjust both sides to the same setting.
  • Page 84 Power harrow HR3004D-3504D - Lower the tractor three-point linkage. - Lower the rear attachment lift. - Place the lower links as close as possible under the hitch pins. - Attach lower links to the hitch pins on the inside of the yokes.

  • Page 85: Removal

    Power harrow HR3004D-3504D 9.4.3 Removal - AVANT L’ARRET DU MOTEUR REPOSER LE SEMOIR AU SOL - AVANT TOUTE INTERVENTION - AVANT LA DEPOSE DE L’ENSEMBLE - BEFORE STOPPING TRACTOR ENGINE LOWER SEEDER TO THE GROUND - BEFORE ANY MAINTENANCE - BEFORE REMOVING FROM TRACTOR...

  • Page 86: Putting The Machine Into Work Position

    Power harrow HR3004D-3504D 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 87 Power harrow HR3004D-3504D 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 88: Maintenance

    Power harrow HR3004D-3504D 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 89: Track Eradicators

    Power harrow HR3004D-3504D Track eradicators HR3004D / HR3504D 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: •...

  • Page 90: Uncoupling The Machine

    Power harrow HR3004D-3504D 9.5.1 Uncoupling the machine - Remove R-clip (1). - Remove pin (2). - Raise track eradicator (3). - Reinstall pin (2). - Reinstall R-clip (1). - Repeat procedure for each track eradicator. 9.5.2 Adjustments in working position ...
  • Page 91 Power harrow HR3004D-3504D  Working depth adjustment - Adjust the track eradicator working depth using pin (2). - Adjust both sides to the same setting. The working depth of the track eradicators must not exceed 100 mm (4’’). The track eradicators are fitted with an overload mechanism should they encounter an obstacle: •...

  • Page 92: Maintenance

    Power harrow HR3004D-3504D 9.5.3 Maintenance - Use genuine KUHN parts.  Share replacement Each track eradicator share is reversible for increased service life: - Replace if necessary: • Torque: 10 daNm (74 lbf ft). Front or rear levelling bar The levelling bar can be fitted to the front or rear of the machine.
  • Page 93 Power harrow HR3004D-3504D Rear position: • The rear levelling bar increases the crumbling degree in dry soils and the roller efficiency in sandy soils. The rear levelling bar is not recommended in wet and sticky soils, and when there are a lot of stones.

  • Page 94: Rear Signalling Elements

    Power harrow HR3004D-3504D 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 95: Lateral Signalling Equipment

    Power harrow HR3004D-3504D Lateral signalling equipment 9.9.1 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 96: Coupling And Uncoupling

    Power harrow HR3004D-3504D 9.10.1 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 97: Adaptation Parts For Venta Lc

    Power harrow HR3004D-3504D 9.13 Adaptation parts for VENTA LC This equipment enables integrating a VENTA LC seed drill to the machine. 9.14 Adaptation parts for INTEGRA This equipment enables integrating a INTEGRA seed drill to the machine. HR3004D • Floating adaptation guided by the roller (Packer PK2 roller and Maxipacker roller).

  • Page 98: Maintenance And Storage

    Power harrow HR3004D-3504D 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 99: Cleaning The Machine

    Power harrow HR3004D-3504D 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. - Regularly check side deflectors.

  • Page 100: Trough

    10.3.1 Trough The trough is lubricated for life with grade NLGI 0 semi-fluid grease (extreme pressure). Quantity: • HR3004D: 23 kg (50.7 lb). • HR3504D: 27 kg (59.5 lb). 10.3.2 Primary PTO shaft Before using the machine for the first time: - Grease the transmission.

  • Page 101: Draining

    Power harrow HR3004D-3504D Every 250 hours or at the end of the season: • U-joints (1). • Transmission tube: - To access the 2 grease nipples (2) to grease (Slide the black collar). • Guide rings (3): • Unlock and slide guards for easier greasing of the PTO shaft u-joints and guiding bushes.
  • Page 102 Power harrow HR3004D-3504D For normal use HR3004D / HR3504D 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.

  • Page 103: Greasing

    Power harrow HR3004D-3504D Checking the oil level - Place the machine on level ground. - Remove level plug (1): • The oil level must reach the lower edge of level hole (2). - Clean and reinstall drain plug (1). 10.3.4 Greasing •...

  • Page 104: Checking The Blades And Their Mounting Hardware

    Power harrow HR3004D-3504D 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 105 Power harrow HR3004D-3504D - Clean the blade holder to clear the lynch pin. - Pivot lynch pin ring using unlocking key supplied with the machine. - Remove lynch pin (1). - Remove connecting piece (2). - Replace worn blades. Blade rotating to the left (4): •...

  • Page 106: 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 KN207JGB_D...

  • Page 107: Oil Seal Replacement

    Power harrow HR3004D-3504D - 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 108 Power harrow HR3004D-3504D  Blade holder position HR3004D 90° 60° 30° 30° 0° 15° 45° 75° 75° 45° HR3504D 90° 74° 58° 42° 26° 10° 8° 24° 40° 56° 72° 88° - Clean the blade holder to clear the lynch pin.
  • Page 109 Power harrow HR3004D-3504D - 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 110: Storage

    Power harrow HR3004D-3504D - 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 111: Storage

    Power harrow HR3004D-3504D 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 112 Power harrow HR3004D-3504D 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 113 Power harrow HR3004D-3504D 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 remove levelling bar.

  • Page 114: Appendix

    Power harrow HR3004D-3504D 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 115 Power harrow HR3004D-3504D 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 116 Power harrow HR3004D-3504D 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 117 Power harrow HR3004D-3504D  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 118 Power harrow HR3004D-3504D T2: Load on rear axle. • Tractor only. T2 = _____kg T2 = ________ kg T: Axle loads. • Tractor only. T = _____kg T = ________ kg  Rear tool or front-rear combination - If the total unit weight exceeds the tractor...
  • Page 119 Power harrow HR3004D-3504D - Measure dimension (b). - Measure dimension (c). t1: Load on front axle. • Tractor + machine. • Hopper empty. t1 = _____kg t1 = ________ kg t: Axle loads. • Tractor + machine. • Hopper empty.
  • Page 120 Power harrow HR3004D-3504D  Front tool - 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 121 Power harrow HR3004D-3504D t: Axle loads. • Tractor + machine. t = _____kg t = ________ kg Calculating the front tool weight: • M1 = t - T Calculating the distance (a): • a = ( b x ( T2 - t2) ) / M1 12.

  • Page 122: 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 123 - 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 124 $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 128 KUHN S.A. - 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.

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