KUHN HR3503D Operator's Manual
  1. Manuals
  2. Brands
  3. KUHN Manuals
  4. Farm Equipment
  5. HR3503D
  6. Operator's manual
KUHN HR3503D Operator's Manual

KUHN HR3503D Operator's Manual

Power harrows
Hide thumbs
Table of Contents

Advertisement

Quick Links

OPERATOR'S MANUAL
KN106FGB B
Power harrows
Original instructions
KN106FGB B
- English - 03-2010

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the HR3503D and is the answer not in the manual?

Questions and answers

Related Manuals for KUHN HR3503D

Summary of Contents for KUHN HR3503D

  • Page 1 OPERATOR'S MANUAL KN106FGB B Power harrows Original instructions KN106FGB B - English - 03-2010...

  • Page 3: Dear Owner

     Designated use of the machine HR3503D / HR4003D / HR4503D 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.

  • Page 4: Table Of Contents

    Power harrows HR3503D/HR4003D/HR450 $Contents  Dear Owner ........................1  Contents..........................2  Identification of the machine..................4 Rear view............................4 Model identification plate ........................5 Optional equipment..........................6  Safety..........................8 Description of symbols used in this document................8 Safety instructions ...........................9 Location and description of safety decals on the machine ............19 Road safety equipment and recommendations................23...
  • Page 5 Power harrows HR3503D/HR4003D/HR4503D  Instructions for work ....................47 Putting the machine into work position ..................47 Adjustments in working position....................47 Machine use............................ 48  Optional equipment ..................... 50 Sets of gearwheels......................... 50 Standard linkage ..........................51 Hydraulic lift linkage ........................52 Hydraulic lift linkage stroke limiters.....................

  • Page 6: Identification Of The Machine

    Power harrows HR3503D/HR4003D/HR450 $Identification of the machine 1. Front view 2. Rear view Identification of the machine...

  • Page 7: Model Identification Plate

    Power harrows HR3503D/HR4003D/HR4503D 3. 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. HR3503D HR4003D / HR4503D KUHN S.A.

  • Page 8: Optional Equipment

    HR3503D/HR4003D/HR450 4. Optional equipment Tick box corresponding to the equipment fitted on your machine: HR3503D / HR4003D / HR4503D  Kit no. 1238700: Set of gearwheels (27 and 38 teeth matching gears).  Kit no. 1238710: Set of gearwheels (25 and 40 teeth matching gears).
  • Page 9 Power harrows HR3503D/HR4003D/HR4503D HR3503D  Kit no. 1238840: Track eradicator mounting yokes.  Kit no. 1238670: Front or rear levelling bar. HR4003D  Kit no. 1238850: Track eradicator mounting yokes.  Kit no. 1238680: Front or rear levelling bar. HR4503D ...

  • Page 10: Safety

    Power harrows HR3503D/HR4003D/HR450 $Safety 1. 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 11: Safety Instructions

    Never let anyone operate the machine who is not trained to do so. Should you have any difficulties in understanding any parts of this manual, please contact your KUHN dealer.  Precautions to be taken before carrying out any operations on the machine...
  • Page 12 Power harrows HR3503D/HR4003D/HR450  Precautions to take before using the machine Do not 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.).
  • Page 13 Power harrows HR3503D/HR4003D/HR4503D  Precautions when driving on public roads Dimensions Depending on the dimensions of the machine, contact the relevant authorities to ensure that it can be legally transported on public roads. If the machine is over the maximum legal size, follow the local regulations for special transportation of oversize equipment.
  • Page 14 Power harrows HR3503D/HR4003D/HR450 Description of symbols Description Units Description 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 15 Power harrows HR3503D/HR4003D/HR4503D 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 16 Power harrows HR3503D/HR4003D/HR450 Stage 4: To measure: - Load on rear axle (t2): • Tractor + machine (transport position). • Ballast weights. kg kg Checking: - Check in the tractor's operator's manual that the value measured is below the maximum allowed tractor rear axle load.
  • Page 17 Power harrows HR3503D/HR4003D/HR4503D  Precautions when coupling Before attaching the machine, make sure that it cannot accidentally start moving (chock the wheels) and that the parking stand is in the right position. The machine must only be attached to the hitch points provided for this purpose.
  • Page 18 Power harrows HR3503D/HR4003D/HR450 Before engaging the PTO drive, make sure that there are no people or animals near the machine. Never engage the PTO drive when the tractor engine is stopped. When uncoupling the machine, rest the PTO shaft on the support specially provided, and replace protective shield on the PTO stub of the tractor.
  • Page 19 Power harrows HR3503D/HR4003D/HR4503D  Waste disposal Respect the environment! Never spill pollutants (oil, grease, filters, etc.) on the ground, never pour them down the drain and never discard them in any other place where they could pollute the environment. Never throw away or burn a tyre.
  • Page 20 Power harrows HR3503D/HR4003D/HR450  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. Stones and other foreign objects projected by the moving parts can travel a considerable distance.

  • Page 21: Location And Description Of Safety Decals On The Machine

    Power harrows HR3503D/HR4003D/HR4503D 3. Location and description of safety decals on the machine  Location of safety decals HR3503D Safety...
  • Page 22 Power harrows HR3503D/HR4003D/HR450 HR4003D / HR4503D Safety...
  • Page 23 Power harrows HR3503D/HR4003D/HR4503D  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) Before...
  • Page 24 Power harrows HR3503D/HR4003D/HR450 Do not step on the machine (5) Do not step on the machine: Risk of falling or damaging the protection device. Safety...

  • Page 25: Road Safety Equipment And Recommendations

    4. 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 26: Machine Specifications

    Power harrows HR3503D/HR4003D/HR450 $Machine specifications 1. Description and glossary Gearbox Roller Scraper bar Anti-ridging plate Side deflector Blade lower links Blade holder PTO shaft 10 : Trough Machine specifications...

  • Page 27: Technical Specifications

    Power harrows HR3503D/HR4003D/HR4503D 2. Technical specifications 3503D 4003D 4503D Coupling device 3 point linkage category 2 and 3 PTO speed 1000 min Number of rotors Number of blades right / left 12 / 12 14 / 14 16 / 16 Working width 3.50 m (11’6’’)

  • Page 28: Required Equipment

    Power harrows HR3503D/HR4003D/HR450 3. Required equipment  Primary PTO shaft The machines are factory fitted with one of the following PTO shafts: (Part no. 4600547) 1 3/8’’ - 6 spline pto shaft. (Part no. 4600548) 1 3/8’’ - 21 spline pto shaft.
  • Page 29 - To improve seedbed levelling. The machines are factory fitted with one of the following rollers: Maxicrumbler roller: HR3503D: Part no. 1238630 HR4003D: Part no. 1209170 HR4503D: Part no. 1238640 The Maxicrumbler roller is adapted to dry or slightly wet soils.
  • Page 30 Power harrows HR3503D/HR4003D/HR450 Packer PK2 roller: HR3503D: Part no. 1237020 HR4003D: Part no. 1237030 HR4503D: Part no. 1237040 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 31: Sound Levels

    Power harrows HR3503D/HR4003D/HR4503D 4. 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 32: Putting Into Service

    Power harrows HR3503D/HR4003D/HR450 $Putting into service 1. Coupling and uncoupling  Description of coupling elements Category 3 linkage - 2 step hitch pins diameter 28 mm (1.10’’) and 37 mm (1.45’’) for lower links. - A top link hitch pin diameter 32 mm (1.26’’) (Category 3).
  • Page 33 Power harrows HR3503D/HR4003D/HR4503D Parallelism of lower linkage arms Adjust tractor lift rods so that lower linkage arms are at equal height from ground.  Coupling the machine - Remove the lower hitch pins. - Position lower links in accordance with tractor attachment category.
  • Page 34 Power harrows HR3503D/HR4003D/HR450 - Attach top link with hitch pin. When the tractor is fitted with a standard 3 point attachment category 2, use category 2 upper hitch pins Part no. 52596900 (Available as spare part). When the tractor is fitted with a standard 3 point attachment category 3, use category 3 upper hitch pins Part no.
  • Page 35 Power harrows HR3503D/HR4003D/HR4503D  Primary PTO shaft Make sure that the PTO shaft is correctly adjusted, to avoid premature wear and tear. Separate the two half PTO shafts and connect them to the machine's input shaft and to the tractor PTO stub.
  • Page 36 Power harrows HR3503D/HR4003D/HR450 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. Immediately replace any worn or damaged guard.
  • Page 37 Power harrows HR3503D/HR4003D/HR4503D Do not re-engage cut-out clutch by simply reducing the PTO 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 38 Power harrows HR3503D/HR4003D/HR450 Fitting the cam type cut-out clutch. Regularly check that there is no play between the cam type cut-out clutch and its shaft. With the clamp cone disassembled: - Slide cam type cut-out clutch on shaft and align clamp cone housing with the shaft circular groove.
  • Page 39 Power harrows HR3503D/HR4003D/HR4503D 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 measure L will usually be found to be between 48.9 and 49.7 mm (1.92’’...
  • Page 40 Power harrows HR3503D/HR4003D/HR450 - Secure hexagonal (6 faces) head screw (1) of spring cartridge in a vice. - Remove pin (2). - Tighten or loosen nut (3). - Refit pin (2). - Grease all components. - Reinstall the assembly and make sure that the cams...
  • Page 41 Power harrows HR3503D/HR4003D/HR4503D  Adjusting the machine Lateral adjustment of the lower linkage arms - Balance the play on either sides of the lift linkage and lock lower link stabilizers. Front/rear machine levelling Adjust the top link length so that the machine is horizontal with regards to the ground.
  • Page 42 Power harrows HR3503D/HR4003D/HR450 Rotor speed adjustment The rotor speed can be adjusted by inverting the standard gearwheels or by using optional gearwheel sets. - Select required rotor speed from the following chart. Gearwheel position kW [hp] 73 (100) 540 min...
  • Page 43 Power harrows HR3503D/HR4003D/HR4503D - Reduce top link length to slightly tilt the machine forward. - Remove screws (1) and gearbox cover (2). - Position gearwheels according to the required speed. - Clean and reassemble the unit. Check O-ring is correctly positioned within gearbox cover.
  • Page 44 Power harrows HR3503D/HR4003D/HR450 Adjusting the roller scrapers Standard plate The scraper plates are factory preset on a reference roller. The scraper bar is factory fitted with: - Packer PK2 roller: Non coated plates (Part no. 52532130). - Maxipacker roller: Hard coated plates (Part no.
  • Page 45 Power harrows HR3503D/HR4003D/HR4503D Nylon scraper plate - Packer PK2 roller: Nylon scraper plate (Part no. 52570200). - Maxipacker roller: Nylon scraper plate (Part no. 52592300). The nylon scraper plate is permanently in contact with the roller tube for cleaning it.
  • Page 46 Power harrows HR3503D/HR4003D/HR450 Adjusting the side deflector For safety reasons, it is not allowed to fold the side deflectors over the trough. The vertical position of the deflector must be adjusted to: - The working depth. - The blade wear.
  • Page 47 Power harrows HR3503D/HR4003D/HR4503D  Uncoupling the machine Park the machine on an even fairly level ground. When track eradicators are fitted on the machine, they must be raised before parking the machine. - Lower the tractor three-point linkage to rest the machine on the ground.

  • Page 48: Instructions For Transport

    Power harrows HR3503D/HR4003D/HR450 $Instructions for transport Before placing the machine into transport position: Wait until the rotating parts have come to a complete stop. 1. Putting the machine into transport position The transport position is obtained by raising the tractor's three-point linkage.

  • Page 49: Instructions For Work

    Power harrows HR3503D/HR4003D/HR4503D $Instructions for work 1. 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 50: Machine Use

    Power harrows HR3503D/HR4003D/HR450 3. Machine use Before leaving tractor 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 51 Power harrows HR3503D/HR4003D/HR4503D 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 52: Optional Equipment

    Power harrows HR3503D/HR4003D/HR450 $Optional equipment 1. Sets of gearwheels With this equipment, additional rotor speeds may be obtained. Kit no. 1238700 Set of 27 and 38 teeth gearwheels. Kit no. 1238710 Set of 25 and 40 teeth gearwheels. Gearwheel position...

  • Page 53: Standard Linkage

    Power harrows HR3503D/HR4003D/HR4503D 2. Standard linkage Kit no. 1246020 This equipment allows an additional machine to be coupled. The equipment is composed of: • A mechanical 3-point linkage. Adjustment Overhang: - Loosen bolts (1). - Place lower link (2) in the required position.

  • Page 54: Hydraulic Lift Linkage

    Power harrows HR3503D/HR4003D/HR450 3. Hydraulic lift linkage Kit no. 1246030 This equipment allows an additional machine to be coupled. This equipment is used to reduce the combination's overhang when fitting an additional machine. The equipment is composed of: • A 3-point hydraulic attachment category 2.
  • Page 55 Power harrows HR3503D/HR4003D/HR4503D Description of safety decals Crushing area (1) Never operate in an area where there is a crushing risk before all moving parts have come to a complete stop. 59900300 Additional machine lowering (2) - AVANT L’ARRET DU MOTEUR...
  • Page 56 Power harrows HR3503D/HR4003D/HR450 Adjustment Categories of linkage: The hydraulic attachment can be adapted for additional machines with a standard linkage category 1 or 2. - Category 1 linkage adaptation: (a) • A = 683 mm (2’2’’). - Category 2 linkage adaptation: (b) •...
  • Page 57 Power harrows HR3503D/HR4003D/HR4503D Overhang: The combination overhang can be reduced by 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 58 Power harrows HR3503D/HR4003D/HR450 Parking - AVANT L’ARRET DU MOTEUR REPOSER LE SEMOIR AU SOL - AVANT TOUTE INTERVENTION - AVANT LA DEPOSE DE L’ENSEMBLE - BEFORE STOPPING TRACTOR ENGINE When parking the power harrow / additional LOWER SEEDER TO THE GROUND...

  • Page 59: Hydraulic Lift Linkage Stroke Limiters

    Power harrows HR3503D/HR4003D/HR4503D 4. Hydraulic lift linkage stroke limiters Kit no. 1246040 This equipment prevents damage to the PTO transmission shaft when lifting an additional implement which is PTO driven. Adjustment - Couple up the PTO shaft (between the power harrow and the additional machine).

  • Page 60: High Capacity Hydraulic Lift Linkage

    Power harrows HR3503D/HR4003D/HR450 5. High capacity hydraulic lift linkage Kit no. 1239140 This equipment allows an additional machine to be coupled. The equipment is composed of: • A 3-point hydraulic attachment category 2. Lift capacity of approximately 3300 daN (7275 lbf) for a tractor pressure of 180 bar (2610 PSI).
  • Page 61 Power harrows HR3503D/HR4003D/HR4503D Description of safety decals Crushing area (1) Never operate in an area where there is a crushing risk before all moving parts have come to a complete stop. Additional machine lowering (2) 59900300 - AVANT L’ARRET DU MOTEUR...
  • Page 62 Power harrows HR3503D/HR4003D/HR450 Adjustments Attachment brackets: The attachment hooks can be fitted in 3 different positions to obtain best adaptation of the additional machine. - Loosen screw (3). - Remove bolt (2) and nut (1). - Place hook (4) in the required position.
  • Page 63 Power harrows HR3503D/HR4003D/HR4503D Hydraulic stroke limiting device: This device prevents damage to the PTO transmission shaft when lifting an additional implement which is PTO driven. Adjustment - Couple up the PTO shaft (between the power harrow and the additional machine).
  • Page 64 Power harrows HR3503D/HR4003D/HR450 Parking - AVANT L’ARRET DU MOTEUR REPOSER LE SEMOIR AU SOL - AVANT TOUTE INTERVENTION - AVANT LA DEPOSE DE L’ENSEMBLE - BEFORE STOPPING TRACTOR ENGINE When parking the power harrow / additional LOWER SEEDER TO THE GROUND...

  • Page 65: Track Eradicators

    The track eradicators reduce tractor wheel marks in the seedbed. The equipment is composed of: - A set of tine holders • HR3503D: Kit no. 1238840. • HR4003D / HR4503D: Kit no. 1238850. - A set of 2 track eradicator tines: • With traction bolt overload mechanism: Kit no.
  • Page 66 Power harrows HR3503D/HR4003D/HR450 The track eradicators are fitted with an overload mechanism should they encounter an obstacle: - With traction bolt overload mechanism: Bolt breaks: Part no. 80131051 Nut: Part no. 80201030 - With spring overload mechanism: The track eradicator automatically resets to its work position after having cleared the obstacle.

  • Page 67: Front Or Rear Levelling Bar

    Power harrows HR3503D/HR4003D/HR4503D 7. Front or rear levelling bar HR3503D: Kit no. 1238670. HR4003D: Kit no. 1238680. HR4503D: Kit no. 1238690. The levelling bar can be fitted to the front or rear of the machine.  Fitting and adjusting the levelling bars.

  • Page 68: Front Semi-Automatic Linkage

    Power harrows HR3503D/HR4003D/HR450 8. Front semi-automatic linkage Kit no. 1237310: Category 2 linkage. This equipment is not recommended when the power harrow is used in combination with a seed drill. Kit no. 1237320: Category 3 linkage. Optional equipment...

  • Page 69: Adaptation Parts For Venta Lc

    Power harrows HR3503D/HR4003D/HR4503D 9. Adaptation parts for VENTA LC Kit no. 1286369 This equipment enables integrating a VENTA LC seed drill to the machine. 10. Adaptation parts for VENTA AL and VENTA TI This equipment enables integrating a VENTA AL or VENTA TI to the machine.

  • Page 70: Adaptation Parts For Integra

    Power harrows HR3503D/HR4003D/HR450 11. Adaptation parts for INTEGRA This equipment enables integrating a INTEGRA seed drill to the machine. Kit no. 1616350 - Floating adaptation guided by the roller (Packer PK2 roller and Maxipacker roller). Kit no. 1616363 - Floating adaptation guided by the roller (Packliner roller).

  • Page 71: Maintenance And Storage

    Power harrows HR3503D/HR4003D/HR4503D $Maintenance and storage Before leaving tractor before adjusting, maintaining repairing 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 72: Cleaning The Machine

    Power harrows HR3503D/HR4003D/HR450 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 73 Power harrows HR3503D/HR4003D/HR4503D Maxipacker roller and Packliner roller: (b) • Unscrew the 7 nuts (1). • Remove the 3 tensioning devices (2). • Slide lever in sleeves (3). • Pivot scraper bar using lever. • Clean and reassemble the unit.

  • Page 74: Lubrication

    Power harrows HR3503D/HR4003D/HR450 3. Lubrication Except for the secondary PTO shaft lubrication, the machine must be placed in transport position for all maintenance operations. Clean grease nipples before greasing. Lubricate with SHELL multi-purpose grease grade NLGI 2.  Primary PTO shaft Every 250 hours or at the end of the season: - U-joints (1).
  • Page 75 Trough The trough is lubricated for life with grade NLGI 0 SHELL ALVANIA WR0 semi-fluid grease (extreme pressure). Quantity: - HR3503D: 27 kg (59.5 lb) - HR4003D: 31 kg (68.3 lb) - HR4503D: 34 kg (74.9 lb) Maintenance and storage...
  • Page 76 Power harrows HR3503D/HR4003D/HR450  Draining: Gearbox Before draining oil, operate the machine for a few minutes so that the oil warms up. The gearbox is lubricated with 6 L (1.58 US gal) of SHELL SPIRAX A extreme-pressure gear oil with viscosity grade 80W90 and API grade GL5.

  • Page 77: Maintenance

    Power harrows HR3503D/HR4003D/HR4503D  Grease: - Roller bearing housings. 4. Maintenance Before leaving tractor before adjusting, maintaining repairing 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 78  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 degree of wear L reaches 150 mm (6’’). - When there is visible distortion.
  • Page 79 Power harrows HR3503D/HR4003D/HR4503D Blade replacement Before leaving tractor 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 - Clean the blade holder to clear the lynch pin.
  • Page 80 Power harrows HR3503D/HR4003D/HR450 - Replace worn blades. Blade rotating to the left (4): - Standard blade: (Part no. K2500090). - OPTIMIX blade: (Part no. K2501120). - DURAKUHN blade: (Part no. K2502240). - Long blade (special for potatoes): (Part no. K2502040).
  • Page 81 Power harrows HR3503D/HR4003D/HR4503D - Reassemble the unit. - Check the condition of the lynch pin (replace it if necessary) Part no. 50086310. - Proceed same way on each rotor. Securing elements Check the condition of the lynch pins after each blade replacement.
  • Page 82 Power harrows HR3503D/HR4003D/HR450  Checking the side deflectors Immediately replace worn or damaged parts with genuine KUHN parts. Side deflectors Replace side deflectors (1) and anti-ridging plates (2) when measure L reaches 20 mm (0.79’’). Side deflector replacement Before leaving...
  • Page 83 Power harrows HR3503D/HR4003D/HR4503D  Oil seal replacement Before removing the blade holder, mark its initial direction to ensure it is refitted correctly. Never remove several blade holders at the same time. Blade holder position HR3503D 90° 60° 30° 30° 0°...
  • Page 84 Power harrows HR3503D/HR4003D/HR450 - Clean the blade holder to clear the lynch pin. - Pivot lynch pin ring using unlocking key supplied with the machine (Part no. 52598210). - Remove lynch pin (1). - Remove connecting piece (2). - Loosen screw (3).
  • Page 85 Power harrows HR3503D/HR4003D/HR4503D - Clean and lubricate oil seal housing. - Fit new oil seal using special tool (8) (Part no. K2501870). The oil seal is in place when tool (8) bottoms against input shaft (9). Note oil seal mounting direction.

  • Page 86: Storage

    Power harrows HR3503D/HR4003D/HR450 5. Storage  At the end of each season - Clean the machine with a garden hose. - Check and replace worn or damaged blades. - Check and replace worn or damaged scraper plates. - Touch up any areas of damaged paintwork.

  • Page 87: Troubleshooting Guide

    Power harrows HR3503D/HR4003D/HR4503D $Troubleshooting guide    Problem Cause Remedy Top link of 3-point hitch badly Position top link parallel to Noisy drive when lifting the positioned/adjusted lower linkage arms machine Excessive lifting height Limit the lift linkage stroke...
  • Page 88 Power harrows HR3503D/HR4003D/HR450 Anti-ridging plate incorrectly Position each anti-ridging plate Ridging at the side of the positioned on the side as close as possible to the machine deflectors ground and roller PTO speed is too high Reduce PTO speed Excessive wear on blades and...

  • Page 89: Appendix

    Power harrows HR3503D/HR4003D/HR4503D $Appendix 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. The load on the tractor front axle must always represent 20 % of the tractor unladen weight.
  • Page 90 Power harrows HR3503D/HR4003D/HR450 Rear tool or front-rear combination: 1) Calculation of the minimum front ballast weight M1 minimum M2 x (c+d) - T1 x b + 0.2 x T x b minimum Write the minimal additional weight in the chart.
  • Page 91 Power harrows HR3503D/HR4003D/HR4503D 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 kg  Total weight kg  kg  Load on front axle kg ...
  • Page 92 Power harrows HR3503D/HR4003D/HR450  Determining the machine weight (M2) and the position of its centre of gravity (d) If the data required to calculate the total weight, axle loads and minimum ballasting are not supplied, use the following method. Tractor only: - T1: Load on front axle.
  • Page 93 Power harrows HR3503D/HR4003D/HR4503D - T: Axle loads. • Tractor only. T = _____kg Appendix...
  • Page 94 Power harrows HR3503D/HR4003D/HR450 Rear tool or front-rear combination: 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 public roads. In any case, we recommend to travel on public roads with empty hoppers and tanks.

  • Page 95: 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 96 - 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 97 $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 100 KUHN S.A. - B.P. 50060 - F - 67706 SAVERNE CEDEX (FRANCE) KUHN-AUDUREAU S.A. - B.P. 19 - F - 85260 LA COPECHAGNIERE (FRANCE) KUHN-BLANCHARD SAS - 24, route de Nantes - F - 44680 CHEMERE (FRANCE) KUHN-HUARD S.A. - B.P. 49 - F - 44142 CHATEAUBRIANT CEDEX (FRANCE) KUHN-GELDROP B.V.

This manual is also suitable for:

Hr4003dHr4503d

Table of Contents