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Summary of Contents for KUHN HRB122
- Page 1 Operator's manual KN135HGB_D Read carefully before starting the machine Power harrows Original instructions KN135HGB_D - English - 04-2019...
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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 harrows HRB122-152-182 2. Contents Dear Owner ........................3 Contents ..........................4 Identification of the machine..................7 Front view ............................7 Rear view ............................7 Model identification plate ......................... 8 Optional equipment.......................... 9 Safety..........................10 Description of symbols used in this document................10 Safety instructions ..........................11 4.2.1... - Page 5 Power harrows HRB122-152-182 Machine specifications....................29 Description and glossary ....................... 29 5.1.1 Designated use of the machine..................30 Technical specifications ......................... 30 5.2.1 Designated parameters ....................30 Required equipment ........................31 5.3.1 Power harrow blades......................31 5.3.2 Crumbler roller........................31 5.3.3...
- Page 6 Power harrows HRB122-152-182 10. Maintenance and storage ....................61 10.1 Frequency chart ..........................61 10.2 Cleaning the machine ........................62 10.3 Lubrication ............................. 62 10.3.1 Primary PTO shaft ......................63 10.3.2 Trough ..........................64 10.3.3 Draining ..........................64 10.3.4 Grease..........................65 10.4...
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Page 7: Identification Of The Machine
Power harrows HRB122-152-182 3. Identification of the machine Front view Rear view 3. - Identification of the machine KN135HGB_D... -
Page 8: 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 9: Optional Equipment
Power harrows HRB122-152-182 Optional equipment - Tick box corresponding to the equipment fitted on your machine: Lighting and signalling: Device with a single signalling panel. Lighting and signalling: Device with 2 signalling panels. Lateral signalling equipment. 3. - Identification of the machine... -
Page 10: Safety
Power harrows HRB122-152-182 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 11: Safety Instructions
Power harrows HRB122-152-182 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 12: Precautions To Be Taken Before Carrying Out Any Operations On The Machine
Power harrows HRB122-152-182 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 13: Precautions When Driving
Power harrows HRB122-152-182 4.2.6 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 14: Hydraulic Circuit
Power harrows HRB122-152-182 4.2.8 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 15: Precautions When Driving On Public Roads
Power harrows HRB122-152-182 4.2.9 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,... - Page 16 Power harrows HRB122-152-182 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 criteria are met to be in conformity with the...
- Page 17 Power harrows HRB122-152-182 How to proceed: Stage 1: To measure: - Tractor tare (T). T = _____kg T = ________ kg Stage 2: - Couple the machine to the tractor. To measure: - Load on front axle (t1): • Tractor + machine (transport position).
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Page 18: Maximum Speed
Power harrows HRB122-152-182 Stage 3: To measure: - Total weight (t): • Tractor + machine (transport position). • Ballast weights. Checking: - To go to the next stage: • Check in the tractor's operator's manual that the value measured is below the tractor's Gross Combined Weight Rating. -
Page 19: Pto Shaft
Power harrows HRB122-152-182 4.2.11 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 20: Precautions During Manoeuvres
Power harrows HRB122-152-182 - Do not install any adapter device that results in a portion of the tractor PTO stub, the rotating PTO shaft, or the adapter to be unguarded. The tractor master shield shall overlap the end of the splined shaft and the added adaptor device as outlined in the table. -
Page 21: Remote Controlled Components
Power harrows HRB122-152-182 4.2.13 Remote controlled components - Danger of crushing and shearing can exist when components operated hydraulic pneumatic controls. Keep away from these danger zones. 4.2.14 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. -
Page 22: 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. - When working at height use appropriate means or equipment in accordance with local regulations. -
Page 23: Projection Of Stones And Foreign Objects
Power harrows HRB122-152-182 4.2.18 Projection of stones and foreign objects - For driver safety, always use a tractor equipped with a cab. - Never start the machine when there are people nearby. - Even when the machine is used in accordance with its purpose, objects may be projected. -
Page 24: Location And Description Of Safety Decals On The Machine
Power harrows HRB122-152-182 Location and description of safety decals on the machine 4.3.1 Location of safety decals 4. - Safety KN135HGB_D... -
Page 25: Description Of Safety Decals
Power harrows HRB122-152-182 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 26 Power harrows HRB122-152-182 Do not step on the machine (4) - Do not step on the machine: Risk of falling or damaging the protection device. Rotary tools (5) - Keep away from rotating elements and from the machine all the time the engine is running, the PTO drive is engaged and the rotors are turning.
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Page 27: 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 28: Likely Critical Failures
Power harrows HRB122-152-182 Likely critical failures • 133993: Specific requirements for countries member of the Eurasian Economic Community (EAC marking). • 133994: Specific requirements for countries member of the Eurasian Economic Community (EAC marking). • 133995: Specific requirements for countries member of the Eurasian Economic Community (EAC marking). -
Page 29: Machine Specifications
Power harrows HRB122-152-182 5. Machine specifications Description and glossary Headstock Lower links Angle gearbox Side deflector Roller Blade Blade holder Trough 5. - Machine specifications KN135HGB_D... -
Page 30: Designated Use Of The Machine
Power harrows HRB122-152-182 5.1.1 Designated use of the machine HRB122-152-182 power harrows must only be used for the work for which they have been designed: • Market gardening. • Maintenance of green spaces. • Seedbed preparation on ploughed or unploughed ground. -
Page 31: Required Equipment
Power harrows HRB122-152-182 Required equipment 5.3.1 Power harrow blades The machines are factory fitted with one of the following blades: Standard left and right blade. Left and right long blades (special for potatoes). The blades enable deep work in light or loose soils. -
Page 32: Depth Control
Power harrows HRB122-152-182 5.3.3 Depth control The machine is factory delivered with the following equipment: HRB122-152-182: • Without depth control. • Crumbler roller. HRB152-182: • Packer roller. Sound levels Sound levels have been measured in accordance with the measuring methods as defined in: EN ISO 4254-1 «Agricultural machinery - Safety - Part 1: General requirements»... - Page 33 Power harrows HRB122-152-182 Measured weighed volume level Lw(A) according to standard EN ISO 3744 for machines that exceed a pressure of 80 dB(A) in the driver's post: Tractor only: HRB122 HRB152 HRB182 103.9 dB(A) 103.9 dB(A) 103.9 dB(A) Tractor + machine:...
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Page 34: Putting Into Service
Power harrows HRB122-152-182 6. Putting into service Coupling and uncoupling 6.1.1 Description of coupling elements • A PTO shaft 1 3/8’’ - 6 splines. • A 3-point hitch. 6.1.2 Preparing the tractor - Check that the tractor's authorized gross weight as well as its lift capacity and... - Page 35 Power harrows HRB122-152-182 - Position the machine on level hard ground. Hitch pin parallelism - Adjust tractor lift rods so that hitch pins are parallel to the ground. Lateral adjustment of the lower links - Balance the play on either sides of the lift linkage and lock lower link stabilizers.
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Page 36: Preparing The Machine
Power harrows HRB122-152-182 6.1.3 Preparing the machine Categories of linkage The lower coupling yokes can be placed in 3 different positions: - Category 1N linkage: • L = 400 mm (1’3’’) (approximately). - Category 1 linkage: • L = 683 mm (2’2’’) (approximately). - Page 37 Power harrows HRB122-152-182 Axial or offset working position The power harrow can be offset with regards to the tractor axis: • Either by sliding the lower linkage arms sideways (for little offset). • Or by moving the hitch frame and sliding the lower linkage arms sideways.
- Page 38 Power harrows HRB122-152-182 Power harrow HRB 182: - The headstock can be offset from its central position (c) to the left by maximum D = 147 mm (5.7’’). 6. - Putting into service KN135HGB_D...
- Page 39 Power harrows HRB122-152-182 Offset adjustment - Park the machine on an even fairly level ground. lower links: - Loosen U-bolts (1). - Unscrew the 2 nuts (2). - Slide and adjust guard (3). - Slide lower coupling yoke (4) to the required position.
- Page 40 Power harrows HRB122-152-182 Coupling the machine - Position tractor lower links inside machine attachment yokes. - Position ball joints of tractor lower links in line with holes of machine lower yokes. - Position the 2 bushes (1) on lower hitch pins...
- Page 41 Power harrows HRB122-152-182 - Insert lower hitch pins and secure them with lynch pins. - Attach top link with hitch pin. • Use tractor and machine attachment holes to adjust the top link position. To obtain optimum PTO shaft angles and...
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Page 42: Primary Pto Shaft
Power harrows HRB122-152-182 6.1.4 Primary PTO shaft - Make sure that the PTO shaft is correctly adjusted, to avoid premature wear and tear. - Check overlap of the u-joint drive shaft and adjust length if necessary to avoid any premature wear The direction of rotation is shown on a decal. - Page 43 Power harrows HRB122-152-182 If this is not the case: Follow instructions given in the operator's manual delivered with the PTO. Never operate the PTO shaft at an angle X exceeding 30°. - To avoid serious accidents, the PTO drive shaft guards must be properly in place and fixed with the chains provided.
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Page 44: Shear Bolt Torque Limiter
Power harrows HRB122-152-182 - On machine side, attach drive shaft guard chain (1) to the input shaft guard. - Immediately replace any worn or damaged guard. 6.1.5 Shear bolt torque limiter Only for HRB 152: The PTO shaft is fitted with a shear bolt torque limiter on machine side. -
Page 45: Pto Output On Angle Gearbox
- Screw up and tighten the self-locking nut moderately. To ensure that the torque limiter works properly, use only KUHN shear bolts. 6.1.6 PTO output on angle gearbox The angle gearbox is factory fitted with a rear PTO output that rotates in the same direction and at the same speed as the tractor PTO. -
Page 46: Machine Adjustment
Power harrows HRB122-152-182 6.1.7 Machine adjustment Front/rear machine levelling - Adjust the top link length so that the machine is horizontal with regards to the ground. 6.1.8 Adjusting the side deflectors The deflector position must be adapted to: • The working depth. -
Page 47: Roller Rear Offset Adjustment
Power harrows HRB122-152-182 6.1.9 Roller rear offset adjustment The roller can be fitted in 2 rear positions: Forward position (a): Enables reducing the machine overhang. Set back position (b): Enables limiting soil projection on the roller The machine is supplied with the roller fitted in position (a). - Page 48 Power harrows HRB122-152-182 From the working position: - Remove roll pins (1): 1 on each machine side. - Remove washers (2): 1 on each machine side. - Remove pins (3): 1 on each machine side. - Position roller in holes corresponding to the required assembly.
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Page 49: Crumbler Roller Adjustment
Power harrows HRB122-152-182 6.1.10 Crumbler roller adjustment 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: Uncoupling The Machine
Power harrows HRB122-152-182 To remove the rods: - Remove roll pins (1). - Dislodge rods using a hammer. - Pull firmly on rods to remove them completely. 6.1.11 Uncoupling the machine - Park the machine on an even fairly level ground. -
Page 51: Handling
Power harrows HRB122-152-182 6.1.12 Handling When lifting this equipment, use appropriate lift straps, chains or any other equipment, in perfect working order, complying with safety standards in force for this type of equipment, and with capacities that exceed the total... -
Page 52: Instructions For Transport
Power harrows HRB122-152-182 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 - The transport position is obtained by raising the tractor's three-point linkage. -
Page 53: Machine Transport Using Transport Means
Power harrows HRB122-152-182 Machine transport using transport means 134035: Specific requirements for countries member of the Eurasian Economic Community (EAC marking). 134036: Specific requirements for countries member of the Eurasian Economic Community (EAC marking). 7. - Instructions for transport KN135HGB_D... -
Page 54: Instructions For Work
Power harrows HRB122-152-182 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 55: Adjustments In Working Position
Power harrows HRB122-152-182 Adjustments in working position 8.2.1 Rotor speed The power harrow is intended for use at a speed of: • 540/min. The power harrow can also be used with tractors having a PTO speed of: • 750/min. • 1000/min. -
Page 56: Working Depth
Power harrows HRB122-152-182 8.2.2 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. - Use the tractor lift linkage to position the pin in the required hole. -
Page 57: Machine Use
Power harrows HRB122-152-182 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 58: Drive Speed
Power harrows HRB122-152-182 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 59: Optional Equipment
Power harrows HRB122-152-182 9. Optional equipment Lighting and signalling The selection of a signalling equipment depends on the tractor used. When the overall power harrow width exceeds the tractor overall width, use the 2 signalling panel equipment. For: HRB152 - 152 - 182 Device with a single signalling panel. -
Page 60: Lateral Signalling Equipment
Power harrows HRB122-152-182 Lateral signalling equipment The device is composed of: • 2 reflective pannels. • 2 Orange reflector. 9. - Optional equipment KN135HGB_D... -
Page 61: Maintenance And Storage
Power harrows HRB122-152-182 10. 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 62: Cleaning The Machine
Power harrows HRB122-152-182 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 63: Primary Pto Shaft
Power harrows HRB122-152-182 10.3.1 Primary PTO shaft Before using the machine for the first time: - Grease the transmission. - Lubricate the central disc of each universal joint with PTO shaft positioned so that it is straight. During intensive with... -
Page 64: Trough
Power harrows HRB122-152-182 10.3.2 Trough The trough is lubricated for life with grade NLGI 0 semi-fluid grease (extreme pressure). Quantity: • HRB 122: 9 kg (19.8 lb) • HRB 152: 11.25 kg (24.8 lb) • HRB 182: 13.5 kg (29.7 lb) 10.3.3 Draining... -
Page 65: Grease
Power harrows HRB122-152-182 - Lower the tractor three-point linkage to rest the machine on the ground. - Increase top link length to tilt the machine rearwards. - Place a container of sufficient capacity under drain plug (3). - Remove filler plug (1) and its washer. -
Page 66: Maintenance
Power harrows HRB122-152-182 10.4 Maintenance - 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 67: Checking The Blades And Their Mounting Hardware
Power harrows HRB122-152-182 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 120 mm (4.7’’). - Page 68 Power harrows HRB122-152-182 Blade replacement - Before leaving the tractor or before adjusting, maintaining or repairing the machine, disengage the PTO drive, turn off the engine, remove ignition key and wait until all moving parts have come to a complete stop and apply park brake.
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Page 69: Storage
Power harrows HRB122-152-182 Rotor direction of rotation: (a): HRB 122 (b): HRB 152 (c): HRB 182 - Reassemble the unit. - Check condition of bolts and nuts. Replace them if necessary. • Bolt: Torque: 38 daNm (280 lbf ft). -
Page 70: Storage
Power harrows HRB122-152-182 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 71: Troubleshooting Guide
Power harrows HRB122-152-182 11. Troubleshooting guide Problem Cause Remedy Top link of 3-point hitch Position top link parallel to Noisy drive when lifting the badly positioned/adjusted lower linkage arms machine Excessive lifting height Limit the lift linkage stroke... -
Page 72: Appendix
Power harrows HRB122-152-182 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 73 Power harrows HRB122-152-182 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 74 Power harrows HRB122-152-182 Front tool: 2) Calculation of the minimum rear ballast weight M2 minimum M1 x a - T2 x b + 0.45 x T x b minimum = b+c+d Write the minimal additional weight in the chart. 3) Calculation of the actual load on the front axle T1...
- Page 75 Power harrows HRB122-152-182 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 76 Power harrows HRB122-152-182 - T1: Load on front axle. • Tractor only. T1 = _____kg T1 = ________ kg - T2: Load on rear axle. • Tractor only. T2 = _____kg T2 = ________ kg - T: Axle loads. • Tractor only.
- Page 77 Power harrows HRB122-152-182 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 78 Power harrows HRB122-152-182 - t: Axle loads. • Tractor + machine. • Hopper empty. t = _____kg t = ________ kg Calculating the rear tool weight (M2): M2 = t - T Calculating the distance (d): d = (( b x ( T1 - t1) ) / M2 ) - c ...
- Page 79 Power harrows HRB122-152-182 - t2: Load on rear axle. • Tractor + machine. t2 = _____kg t2 = ________ kg - t: Axle loads. • Tractor + machine. t = _____kg t = ________ kg Calculating the front tool weight...
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Page 80: 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 81 - 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 becomin apparent.
- Page 82 $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 84 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.
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