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
KN207AGB C
Power harrow
KN207AGB C
- English - 11-2009

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Summary of Contents for KUHN HR3004D

  • Page 1 OPERATOR'S MANUAL KN207AGB C Power harrow KN207AGB C - English - 11-2009...

  • Page 3: Dear Owner

    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.

  • Page 4: Table Of Contents

    Power harrow HR3004D/HR3504D $Contents Dear Owner ........................1 Contents..........................2 Identification of the machine..................4 Front view............................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 ............17 Road safety equipment and recommendations................20...
  • Page 5 Power harrow HR3004D/HR3504D Instructions for work ....................50 Putting the machine into work position ..................50 Adjustments in working position....................50 Machine use............................ 51 Optional equipment ..................... 53 Sets of gearwheels......................... 53 Standard linkage ..........................54 Hydraulic lift linkage ........................55 Hydraulic lift linkage stroke limiters.....................

  • Page 6: Identification Of The Machine

    Power harrow HR3004D/HR3504D $Identification of the machine 1. Front view 2. Rear view Identification of the machine...

  • Page 7: Model Identification Plate

    Power harrow HR3004D/HR3504D 3. Model identification plate Please write below the type and serial number of the machine. This information is to be indicated to the dealer for all spare parts orders. Type: HR3004D HR3504D Serial no.: Identification of the machine...

  • Page 8: Optional Equipment

    4. Optional equipment Tick box corresponding to the equipment fitted on your machine: HR3004D / HR3504D 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 harrow HR3004D/HR3504D HR3004D Kit no. 1238660: Front or rear levelling bar. Kit no. 1286168: Floating adaptation parts for adaptation of VENTA AL and VENTA TI roller. Kit no. 1616350: Floating adaptation parts for INTEGRA roller (Packer PK2 roller and Maxipacker roller).

  • Page 10: Safety

    Power harrow HR3004D/HR3504D $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 certain parts in this manual, please contact your KUHN dealer. Precautions to be taken before carrying out any operations on the machine...
  • Page 12 Power harrow HR3004D/HR3504D 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 harrow HR3004D/HR3504D 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 harrow HR3004D/HR3504D 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 15 Power harrow HR3004D/HR3504D PTO shaft Use only PTO shafts supplied with the machine or recommended by the manufacturer. The protective shield of the tractor PTO stub, the PTO shaft guards and the protective covering of the machine input shaft must always be in place and in good condition.
  • Page 16 Power harrow HR3004D/HR3504D Precautions during manoeuvres When moving the machine from the transport position to the working position and vice versa, make sure that nobody is within the machine pivoting area. Remote controlled components Danger of crushing and shearing can exist when components are operated by hydraulic or pneumatic controls.
  • Page 17 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. Safety...
  • Page 18 Power harrow HR3004D/HR3504D 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 19: Location And Description Of Safety Decals On The Machine

    Power harrow HR3004D/HR3504D 3. Location and description of safety decals on the machine Location of safety decals HR3004D / HR3504D Safety...
  • Page 20 Power harrow HR3004D/HR3504D 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 leaving...
  • Page 21 Power harrow HR3004D/HR3504D Do not step on the machine (5) Do not step on the machine: Risk of falling or damaging the protection device. Safety...

  • Page 22: 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 23 Power harrow HR3004D/HR3504D The side device comprises: Part no. 1016410 - 2 reflective pannels. Instructions specific to Italy: Kit no. 1238950: Signalling equipment specific to Italy. Safety...

  • Page 24: Machine Specifications

    Power harrow HR3004D/HR3504D $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 25: Technical Specifications

    Power harrow HR3004D/HR3504D 2. Technical specifications HR3004D HR3504D Coupling device 3 point linkage category 2 and 3 PTO speed 1000 min Number of rotors Number of blades right / left 10 / 10 12 / 12 Working width 3.00 m (9’9’’) 3.44 m (11’3’’)

  • Page 26: Required Equipment

    Power harrow HR3004D/HR3504D 3. Required equipment Intermediate 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 27 The machines are factory fitted with one of the following rollers: Crumbler roller: HR3004D : Part no. 1236440 The Crumbler roller is adapted to dry or slightly wet soils. The roller is fitted with removable bars for reducing risks of clogging.
  • Page 28 Power harrow HR3004D/HR3504D Packer PK2 roller: HR3004D : Part no. 1237010 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 29: Sound Levels

    Power harrow HR3004D/HR3504D Steelliner roller: HR3004D: Part no. 1239590: L = 125 mm (4.9’’). Part no. 1239600: L = 150 mm (5.9’’). HR3504D: Part no. 1239610: L = 150 mm (5.9’’). The Steelliner roller creates sowing lines at regular depth for seed deposit The roller is fitted with a scraper bar.

  • Page 30: Putting Into Service

    Power harrow HR3004D/HR3504D $Putting into service 1. Coupling and uncoupling Description of coupling elements Category 2 linkage - 2 hitch pins diameter 28 mm (1.10’’’) for the lower link arms. - A top link hitch pin diameter 25 mm (0.98’’).
  • Page 31 Power harrow HR3004D/HR3504D Parallelism of lower linkage arms Adjust tractor lift rods so that lower linkage arms are at equal height from ground. Preparing the machine Positioning of lower coupling yokes The lower coupling yokes can be placed in 2 different...
  • Page 32 Power harrow HR3004D/HR3504D 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 33 Power harrow HR3004D/HR3504D - 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 (Factory supplied). When the tractor is fitted with a standard 3 point attachment category 3, use category 3 upper hitch pins Part no.
  • Page 34 Power harrow HR3004D/HR3504D Intermediate 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 35 Power harrow HR3004D/HR3504D 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 36 Power harrow HR3004D/HR3504D If a foreign object gets caught in the machine: Before carrying out any maintenance or repairs on the machine, switch off the tractor engine, remove ignition key, wait until all moving parts have come to a standstill and apply park brake.
  • Page 37 Power harrow HR3004D/HR3504D 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 38 Power harrow HR3004D/HR3504D 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 39 Power harrow HR3004D/HR3504D - Secure hexagonal (6 faces) head screw (1) of spring cartridge in a vice. - Remove roll pin (2) - Tighten or loosen nut (3). - Reinstall roll pin (2). - Grease all components. - Reinstall the assembly and make sure that the cams...
  • Page 40 Power harrow HR3004D/HR3504D 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 41 Power harrow HR3004D/HR3504D 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: Refer to the decal fitted on the machine:...
  • Page 42 Power harrow HR3004D/HR3504D - 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 43 Power harrow HR3004D/HR3504D Adjusting the roller scrapers Standard plate HR3004D : 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 44 Ensure that the scraper hard coating is towards the front and faces down. Nylon scraper plate HR3004D : - Packer PK2 roller: Nylon scraper plate (Part no. 52570200). - Maxipacker roller: Nylon scraper plate (Part no.
  • Page 45 Power harrow HR3004D/HR3504D HR3504D: - Maxipacker roller: Nylon scraper plate (Part no. 52592300). 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 46 Adjusting the side deflector For safety reasons, it is not allowed to fold the side deflectors over the trough. Vertical adjustment HR3004D / 3504D: The vertical position of the deflector must be adjusted to: - The working depth. - The blade wear.
  • Page 47 Power harrow HR3004D/HR3504D Roller rear offset adjustment - 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 48 Power harrow HR3004D/HR3504D 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 49 Power harrow HR3004D/HR3504D Crumbler roller adjustment HR3004D The Crumbler roller consists of 8 welded tubes (1) and 8 removable rods (2). Depending on the working conditions, the rods (2) can be removed. With removable rods in place: (a) For use in dry conditions, gives fine crumbling and levelling as well as good packing.
  • Page 50 Power harrow HR3004D/HR3504D 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 51: Instructions For Transport

    Power harrow HR3004D/HR3504D $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 52: Instructions For Work

    Power harrow HR3004D/HR3504D $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 53: Machine Use

    Power harrow HR3004D/HR3504D 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 54 Power harrow HR3004D/HR3504D 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 55: Optional Equipment

    HR3004D/HR3504D $Optional equipment 1. Sets of gearwheels With this equipment, additional rotor speeds may be obtained. HR3004D / HR3504D Kit no. 1238700 Set of 27 and 38 teeth gearwheels. Kit no. 1238710 Set of 25 and 40 teeth gearwheels. Kit no. 1238930 Set of 30 and 35 teeth gearwheels.

  • Page 56: Standard Linkage

    Power harrow HR3004D/HR3504D 2. Standard linkage HR3004D / HR3504D : 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 57: Hydraulic Lift Linkage

    Power harrow HR3004D/HR3504D 3. Hydraulic lift linkage HR3004D / HR3504D : 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: •...
  • Page 58 Power harrow HR3004D/HR3504D 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) Make sure that the additional machine rests on the ground: - Before turning off the engine.
  • Page 59 Power harrow HR3004D/HR3504D 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 60 Power harrow HR3004D/HR3504D 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 61 Power harrow HR3004D/HR3504D Parking When parking the power harrow / additional machine unit, make sure that the additional machine is lowered first. Instructions for transport Putting the machine into transport position From the working position: - Uncouple the PTO shaft (between the power harrow and the additional machine).

  • Page 62: Hydraulic Lift Linkage Stroke Limiters

    Power harrow HR3004D/HR3504D 4. Hydraulic lift linkage stroke limiters HR3004D / HR3504D : 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 63: High Capacity Hydraulic Lift Linkage

    Power harrow HR3004D/HR3504D 5. High capacity hydraulic lift linkage HR3004D / HR3504D : 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 64 Power harrow HR3004D/HR3504D 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) Make sure that the additional machine rests on the ground: - Before turning off the engine.
  • Page 65 Power harrow HR3004D/HR3504D 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 66 Power harrow HR3004D/HR3504D 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 67 Power harrow HR3004D/HR3504D Parking When parking the power harrow / additional machine unit, make sure that the additional machine is lowered first. Instructions for transport Putting the machine into transport position From the working position: - Remove the hydraulic attachment stroke limiter chain.

  • Page 68: Track Eradicators

    The track eradicators reduce tractor wheel marks in the seedbed. The equipment is composed of: HR3004D / HR3504D : - A set of tine holders Kit no. 1237570. - A set of 2 track eradicator tines: • With traction bolt overload mechanism: Kit no.
  • Page 69 Power harrow HR3004D/HR3504D 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 70: Front Or Rear Levelling Bar

    Power harrow HR3004D/HR3504D 7. Front or rear levelling bar HR3004D : Kit no. 1238660 HR3504D : Kit no. 1239440 The levelling bar can be fitted to the front or rear of the machine. Fitting and adjusting the levelling bars. Fit levelling bars so that their angled edges face towards the machine front (Direction of travel).

  • Page 71: Front Semi-Automatic Linkage

    Power harrow HR3004D/HR3504D 8. Front semi-automatic linkage HR3004D / HR3504D : Kit no. 1237910: Category 2 linkage. This equipment is not recommended when the power harrow is used in combination with a seed drill. HR3004D / HR3504D : Kit no. 1237920: Category 3 linkage.

  • Page 72: Adaptation Parts For Venta Lc

    Power harrow HR3004D/HR3504D 9. Adaptation parts for VENTA LC HR3004D / HR3504D : 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 73: Adaptation Parts For Integra

    Power harrow HR3004D/HR3504D 11. Adaptation parts for INTEGRA This equipment enables integrating a INTEGRA seed drill to the machine. HR3004D : Kit no. 1616350 - Floating adaptation guided by the roller (Packer PK2 roller and Maxipacker roller). Kit no. 1616450 - Floating adaptation guided by the roller (Packliner roller and Steelliner roller).

  • Page 74: Maintenance And Storage

    Power harrow HR3004D/HR3504D $Maintenance and storage 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 75: Cleaning The Machine

    Power harrow HR3004D/HR3504D 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 76: Lubrication

    Power harrow HR3004D/HR3504D 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. Intermediate PTO shaft Every 250 hours or at the end of the season: - U-joints (1).
  • Page 77 Power harrow HR3004D/HR3504D Trough The trough is lubricated for life with grade NLGI 0 SHELL ALVANIA WR0 semi-fluid grease (extreme pressure). Quantity: - HR3004D: 23 kg (50.7 lb). - HR3504D: 27 kg (59.5 lb). Maintenance and storage...
  • Page 78 Power harrow HR3004D/HR3504D 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 79: Maintenance

    Power harrow HR3004D/HR3504D 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 80 HR3004D/HR3504D 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 81 Power harrow HR3004D/HR3504D 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.
  • Page 82 Power harrow HR3004D/HR3504D - 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 83 Power harrow HR3004D/HR3504D 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 tractor...
  • Page 84 Power harrow HR3004D/HR3504D 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: Maintenance and storage...
  • Page 85 Power harrow HR3004D/HR3504D - 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 86 Power harrow HR3004D/HR3504D - 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 87: Storage

    Power harrow HR3004D/HR3504D 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 88: Trouble Shooting Guide

    Power harrow HR3004D/HR3504D $Trouble shooting guide Problem Cause Remedy Top link of 3-point hitch badly Position top link parallel to positioned/adjusted lower linkage arms Noisy drive when lifting the machine Excessive lifting height Limit the lift linkage stroke Lengthen or shorten top link to...
  • Page 89 Power harrow HR3004D/HR3504D Reduce speed by changing Rotor speed too high gearwheels in the gearbox. (optional gearwheel sets) Tilth produced is too fine Forward speed is too slow Increase forward speed Raise or remove the levelling Rear levelling bar is too low...

  • Page 90: Limited Warranty

    Power harrow HR3004D/HR3504D $Limited warranty Limited warranty...
  • Page 91 Power harrow HR3004D/HR3504D Limited warranty...

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