KUHN BK230 Operator's Manual
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KUHN BK230 Operator's Manual

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OPERATOR'S MANUAL
Shredders
JN009BGB F
- English - 07-2007

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  • Page 1 OPERATOR'S MANUAL Shredders JN009BGB F - English - 07-2007...

  • Page 3: Dear Owner

    Shredders $DEAR OWNER In buying a Kuhn machine you have chosen wisely. Into it have gone years of thought, research and improvements. 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

    Shredders $CONTENTS Dear Owner........................1 Contents ......................... 2 Identification of the machine ..................4 Front view ............................4 Rear view ............................4 Model identification plate........................ 5 Optional equipment ......................... 5 Safety ..........................6 Description of symbols used in this document ................6 Safety instructions...........................
  • Page 5 Putting the machine into work position ..................36 Adjustments in working position ....................37 Machine use ........................... 41 Optional equipment......................42 Skids ............................... 42 Hydraulic offset (BK230-280)......................45 Double skinned plate........................47 Spreading deflectors ........................49 Lengthways transport (BK320)..................... 50 Semi-automatic hitch frame (BK320) ................... 54 Maintenance and storage ....................55...

  • Page 6: Identification Of The Machine

    Shredders $IDENTIFICATION OF THE MACHINE 1. Front view 2. Rear view Identification of the machine...

  • Page 7: Model Identification Plate

    Kit no. 1556810: Skids (BK280). Kit no. 1556800: Skids (BK320). Kit no. 1556819: Hydraulic offset (BK230/280). Kit no. 1556805: Double skinned plate (BK230). Kit no. 1556806: Double skinned plate (BK280). Kit no. 1556825: Double skinned plate (BK320). Kit no. 1556823: Spreading deflectors (BK230).

  • Page 8: Safety

    Shredders $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 9: 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 10 Shredders 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-protectors, etc.). Make sure that all operating controls (ropes, cables, rods, etc) are placed so that they cannot be set off accidentally, risking accident or damage.
  • Page 11 Shredders 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 transports of oversize equipment.
  • Page 12 Shredders 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. Never stand between the tractor and the machine when operating the rear remote control lever of the three point linkage.
  • Page 13 Shredders 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 14 Shredders 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 15 Shredders Precautions for maintenance and repair work 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 16 Shredders 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. Keep all persons and animals away from the danger zone. The guard plates/covers on the machine help reduce the risks of projection.

  • Page 17: Location And Description Of Safety Decals On The Machine

    Shredders 3. Location and description of safety decals on the machine Location of safety decals Safety...
  • Page 18 Shredders Description of safety decals Operating instructions (1) The operator's 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 tractor before adjusting, maintaining or repairing the machine, disengage the PTO drive, turn off the engine, remove ignition key and...
  • Page 19 Shredders Rotating cutting tools (4) Keep away from the mower knives all the time the engine is running, the PTO drive engaged and the moving parts have not come to a complete stop. Moving elements (5) Do not open or remove guards when the engine is on. Support wheels (6) At work, the support wheels must rest on the ground.
  • Page 20 Shredders Crushing area (7) Never operate in an area where there is a crushing risk before all moving parts have come to a complete stop . Danger of falling (8) Do not ride on the machine. Anchoring point (9) Indicates anchoring points for handling the machine. Safety...
  • Page 21 Shredders Hydraulic circuit (10) Beware of escaping fluids under pressure. See chapter "Safety", Section "Hydraulic circuit". Risk of injuries (11) Before adjusting, maintaining or repairing the machine, wait until all moving parts have come to a complete stop. Risk of being crushed (12) Do not stay between the machine and the tractor.
  • Page 22 Shredders Risk of entanglement (13) Stay clear of rotating drive line. Safety...

  • Page 23: Machine Specifications

    Shredders $MACHINE SPECIFICATIONS 1. Description and glossary Three-point hitch coupler Swinging yoke Hitch pins Parking stand PTO shaft support Central gearbox Side drive shaft Roller Belt guard 10 : Rear hood Machine specifications...

  • Page 24: Technical Specifications

    Shredders 2. Technical specifications BK230 BK280 BK320 Coupling device 3 point, Category 2 Working width 2.30 m (7’7’’) 2.80 m (9’2’’) 3.20 m (10’6’’) Maximum width 2.50 m (8’2’’) 3.00 m (9’9’’) 3.45 m (11’4’’) PTO speed 540 min 540 min...

  • Page 25: Required Equipment

    Shredders 3. Required equipment Roller The roller is recommended for shredding set-aside and pasture land. Semi-pivoting wheels. The semi-pivoting wheels are recommended for shredding plant residues such as maize, rape or sunflower. Machine specifications...

  • Page 26: Sound Levels

    Shredders 4. Sound levels Sound levels have been measured in accordance with the measuring methods as defined in: NF EN 1553 "Agricultural machinery - Self-propelled, mounted, semi-mounted and trailed - Common safety recommendations" Weighted equivalent continuous acoustic pressure level at the driver's seat (closed cabin) L (A) eq: - BK240: 86.5 dB(A).

  • Page 27: Putting Into Service

    Shredders $PUTTING INTO SERVICE 1. Coupling and uncoupling Description of coupling elements - A PTO shaft 1 3/8’’ - 6 splines. - Attachment configuration category 2. Preparing the tractor The tractor must be fitted with lower link stabilizers. The tractor PTO stub must rotate at a speed of 540 min (BK 230 / BK 280) 1000 min...
  • Page 28 Shredders Preparing the machine (BK 280) Check the speed preset by the manufacturer through the stickers on the machine. The BK 280 machine is factory preset at a PTO speed of 1000 min Invert drive pulleys to obtain a different machine PTO speed (540 min Inverting the pulleys - Remove 4 bolts (2).
  • Page 29 Shredders - Loosen screw (3). - Loosen the 4 screws (4) that hold the central gearbox. - Loosen counter nut (5). - Loosen adjustment screws (6) and (7) to slacken belts. - Remove the 4 V-belts (9). - Remove 7 bolts (10). - Insert and screw 3 out of the 7 screws in the 3 threaded holes (11) Insert screws in threaded holes (11) to extract T-...
  • Page 30 Shredders - Reinstall T-clamp (12) of pulley (A). - Reinstall the 7 bolts (10). - Tighten screws (10). • Torque: 4.2 daN m (31 lbf ft). - Reinstall T-clamp (12) of pulley (B). - Reinstall the 7 bolts (10). - Reinstall the 4 belts (9). - Turn the adjustment screws (6) and nuts (7) equally until reaching the optimum tension.
  • Page 31 Shredders - Using a ruler, check that pulleys are in line (8) - Repeat procedure until perfect pulley alignment is obtained. - Reinstall the belt guard (1). - Reinstall bolts (2). Coupling the machine - Lower the tractor three-point linkage. - Place the lower links as close as possible under the hitch pins.
  • Page 32 Shredders Primary PTO shaft Make sure that the PTO shaft is correctly adjusted, to avoid premature wear and tear. The tractor PTO stub must rotate at a speed of 540 min or 1000 min Separate the two half PTO shafts and connect them to the machine's input shaft and to the tractor PTO stub.
  • Page 33 Shredders Attach PTO shaft guard chain in hole (1) on machine side. To avoid serious accidents, the PTO drive shaft guards must be properly in place and fixed with the chains provided. Immediately replace any worn or damaged guard. Adjusting the machine Lateral adjustment of the lower links Balance the play on either sides of the lift linkage and lock lower link stabilizers.
  • Page 34 Shredders Length of the top link - Adjust the height of the lift linkage and the length of the top link until the machine is horizontal or only slightly higher at the front. - Adjust the length of the top link in order to set the swinging yoke (1) at an angle of X = 45°...
  • Page 35 Shredders Uncoupling the machine Park the machine on an even fairly level ground. From the working position: - Lower and lock parking stand (1). - Lower the tractor three-point linkage to rest the machine on the ground. - Uncouple and place PTO shaft in support (2). - Detach the top link from the machine end (3).
  • Page 36 - BK230: 950 kg (2095 lb). - BK280: 1020 kg (2249 lb). - BK320: 1410 kg (3109 lb).

  • Page 37: Instructions For Transport

    Shredders $INSTRUCTIONS FOR TRANSPORT Before placing the machine into transport position: - Wait until the rotating parts have come to a complete stop. - Check that nobody is within the machine pivoting area. - If there is someone, make sure the person moves away.

  • Page 38: Instructions For Work

    Shredders $INSTRUCTIONS FOR WORK 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. 1. Putting the machine into work position From the transport position: If the machine is equipped with semi-pivoting wheels: - Unlock semi-pivoting wheels: •...

  • Page 39: Adjustments In Working Position

    Shredders 2. Adjustments in working position Working height The cutting tools must never touch the ground. The working height is set by the position of the rear support unit. With roller (Compulsory equipment): - Slightly lift the machine from the ground. - Loosen bolts (1) (2) (3).
  • Page 40 Shredders With semi-pivoting wheels (Compulsory equipment): - Slightly lift the machine from the ground. - Loosen screw (1). - Remove screw (2). - Position wheel arm in hole corresponding to the required setting. - Reinstall and tighten screw (2). • Torque: 21 daN m (155 lbf ft). - Tighten screw (1).
  • Page 41 Shredders Height of the tractor's lift linkage - Lower the 3 point lift of the tractor until the rear support element rests on the ground. - Adjust the height of the lift linkage until the machine is horizontal or only slightly higher at the front. This adjustment helps vegetation to enter.
  • Page 42 Shredders Rear hood In fields with many plant residues, it it possible to work with the rear hood in opened position. - Remove 3 bolts (1). - Open hood. - Insert screws (2) and tighten nuts to secure hood in open position.

  • Page 43: Machine Use

    Shredders 3. Machine use Before shredding: Keep all persons and animals away from the machine danger zone. This zone is defined by a radius (R) of 50 m (164’) around the working line of the machine. If using a tractor with a cab that is not sound- proofed or pressurized, the operator must use individual protection equipment: Ear protections, if the noise exceeds normal...

  • Page 44: Optional Equipment

    Shredders $OPTIONAL EQUIPMENT 1. Skids Kit no. 1556822 (BK230) Kit no. 1556810 (BK280) Kit no. 1556800 (BK320) Use skids on irregular grounds, they ensure a steady working height and prevent contact between the shredding tools and the ground. Mounting and adjustment Slightly lift machine off the ground using an adapted lifting device.
  • Page 45 Shredders - Reinstall washers and nuts (1) (2). • Torque (2): 5 daN m (37 lbf ft). • Torque (1): 21 daN m (155 lbf ft). Proceed the same way on the other side. - Check that the 2 skids are set identically. When a roller is fitted: Remove nut and washer (1).
  • Page 46 Shredders Relations between the working height and the skid position: - Hole (1) = 20 mm (0.8’’). - Hole (2) = 30 mm (1.2’’). - Hole (3) = 50 mm (2’’). - Reinstall washers and nuts (1) (2). • Torque (2): 5 daN m (37 lbf ft). •...

  • Page 47: Hydraulic Offset (Bk230-280)

    - BK230: 950 kg (2095 lb). - BK280: 1020 kg (2249 lb). - Attach a sling between the hitch frame and a lifting device.
  • Page 48 Shredders - Using a lifting device, position hitch frame with hydraulic offset (1) opposite attachment holes. - Position parking stand (2) opposite attachment holes. - Mount offset cylinder in points (4) and (5). - Reinstall the 6 bolts (3). - Reinstall washers and nuts. •...

  • Page 49: Double Skinned Plate

    Shredders 3. Double skinned plate Kit no. 1556805 (BK230) Kit no. 1556806 (BK280) Kit no. 1556825 (BK320) Fitting In parking position: - Remove 3 bolts (1). - Open hood. - Insert screws (2) and tighten nuts to secure hood in open position.
  • Page 50 Shredders - Remove bolts (2). - Close hood. - Tighten screws (1). • Torque: 9daN m (67 lbf ft). Optional equipment...

  • Page 51: Spreading Deflectors

    Shredders 4. Spreading deflectors Kit no. 1556823 (BK230) Kit no. 1556824 (BK280) Kit no. 1556839 (BK320) The deflectors are used to spread the shredded material inside the area worked. For fitting the deflectors on the BK320, the side guards must already be mounted on the hood.

  • Page 52: Lengthways Transport (Bk320)

    Shredders 5. Lengthways transport (BK320) Kit no. 1556828 (BK320) Fitting the front wheel - Position support (1). - Install 6 bolts (2). - Tighten screws (2). • Torque: 9 daNm (67 lbf ft). - Position wheel arm (3) on pivot pin(4). - Slide washer (5) on pivot pin (4).
  • Page 53 Shredders Fitting the drawbar - Position coupling yokes (1), (2) and (3) in corresponding holes. - Insert spacers (S) of thickness 10 mm between coupling yokes and frame. - Fit and tighten the 10 screws (4). • Torque: 21 daNm (155 lbf ft). - Reinstall and lock pin (5).
  • Page 54 Shredders Lengthways transport on roads From the working position: - Take hold of handle (1). - remove pin from hole (A). - Lower wheel. - Insert and lock pin in hole corresponding to the transport position (B). - Take hold of wheel arm (3) of rear right wheel. - Remove pin (4) from hole (A).
  • Page 55 Shredders - Insert tie-rod ball joint (7) in yoke (8). - Reinstall and lock pin (5). - Remove pin (9). - Place parking stand (10) in vertical position. - Reinstall and lock pin (9). - Lower the tractor three-point linkage. - Remove the machine from the tractor.

  • Page 56: Semi-Automatic Hitch Frame (Bk320)

    Shredders 6. Semi-automatic hitch frame (BK320) Kit no. 1556827 Coupling the machine - Remove machine attachment crossbar. - Fit tractor lower links 2 to the 2 attachment crossbar pivot points, insert hitch pins and lock using R-clip (3). - Position and lock the linkage crossmember on the two lower lifting arms.

  • Page 57: Maintenance And Storage

    Oil change: - Central gearbox Grease: - Universal joint - PTO shaft tubes - The PTO shaft guiding bushes - The sliding tube of the BK230-280 hitch frame with hydraulic offset - The wheel pins Maintenance and storage...

  • Page 58: Cleaning The Machine

    Shredders 2. Cleaning the machine Regularly clean the rotor and the machine inner panels. 3. Lubrication The pictorials show the points to be greased Part no. 0011999. Clean grease zerks before greasing Lubricate with SHELL multi-purpose grease grade NLGI 2. PTO shaft Primary PTO shaft - Every 8 hours:...
  • Page 59 The main gearbox is lubricated with SHELL SPIRAX A extreme-pressure gear oil with viscosity grade 80W90 and API grade GL5. Central gearbox GB: - BK230: 2.4 L (0.63 US gal lb). - BK280: 2.8 L (0.74 US gal lb). - BK320: 3.2 L (0.85 US gal lb).
  • Page 60 Shredders Checking the oil levels Place the machine on flat horizontal ground. Check central gearbox oil level: - Remove level plug (1). - The oil level must reach lower part of level plug hole. - Reinstall level plug (1). Maintenance and storage...
  • Page 61 Shredders Grease The pictorials show the points to be greased Part no. 0011999. - The wheel pins (1). - The sliding tube of the BK230-280 hitch frame with hydraulic offset (2). Maintenance and storage...

  • Page 62: Maintenance

    Shredders 4. Maintenance Check cutting tools and their fixing elements Cutting tools: Universal knives (1) Part no. J2555004 (2x) Universal knives (1) and long stubble pallets (2) (1) Part no. J2555004 (2x) (2) Part no. J1551147 Hammer knives (3) Part no. 6061699 Universal knives (1) and Straight knives (4) (1) Part no.
  • Page 63 Shredders Check cutting tools before each use in order to: • ensure shredding quality. • guarantee safety in use. • avoid risk of damaging the fixing elements. Replace cutting tools in the following cases: - Damaged cutting tools: • Very uneven ground can cause the knives to crack or warp.
  • Page 64 Shredders Replacing knives and pallet knives Immediately replace worn or damaged parts with genuine KUHN parts. Replace self-locking nuts after each removal operation: Torque: 25 daN m (185 lbf ft). From the transport position: Uncouple PTO shaft on machine side.
  • Page 65 Shredders Belt tension Check belt tension: After the first 3 hours of use. Checking the tension: Through the belt guard slot: - Apply a force of 35 daN (7.7 lb) on the belt: the belt should not deflect more than H = 7 mm (0.3’’). Maintenance and storage...
  • Page 66 Shredders Adjusting the tension: - Remove 4 bolts (2). - Remove belt guard (1). Replace belts, if proper tension can no longer be obtained. BK230:Part no. J0019026. Quantity: 4. BK280:Part no. JX001916. Quantity: 4. BK320:Part no. J0019026. Quantity: 5. - Loosen screw (3).
  • Page 67 Shredders - Reinstall the belt guard (1). - Reinstall bolts (2). Maintenance and storage...

  • Page 68: Storage

    Shredders 5. Storage At the end of each season Clean the machine thoroughly: - The rotor. - The inner panels. - Rotor housings. - Roller housings. • Remove side guards and upper guard. Touch up paint if necessary. Put the machine under cover in a dry place. Check the condition of the fixing elements regularly and also the torque of the knife-fixing bolt.
  • Page 69 Shredders $TROUBLE SHOOTING GUIDE Problem Cause Remedy - Breakage or excessive wear Replace worn or damaged of knives or hammer knives. parts. Excessive vibrations. Knife hammer knife Clean and grease pivot points. jamming on the pivot point. Check weight of knives and - Incorrect rotor balance.

  • Page 70: Limited Warranty

    Shredders $LIMITED WARRANTY Limited warranty...
  • Page 71 Shredders Limited warranty...

This manual is also suitable for:

Bk280Bk320

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