KUHN FC250RG Operator's Manual
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KUHN FC250RG Operator's Manual

KUHN FC250RG Operator's Manual

Mower conditioner
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OPERATOR'S MANUAL
KN236CGB C
Mower conditioner
Original instructions
- English - 10-2014
KN236CGB C

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Summary of Contents for KUHN FC250RG

  • Page 1 OPERATOR'S MANUAL KN236CGB C Mower conditioner Original instructions - English - 10-2014 KN236CGB C...

  • Page 3: Dear Owner

    Designated use of the machine The FC250RG mower conditioner must only be used for the work for which it has been designed: mowing on the ground of hay fields, grass silage fields and improved pastures for the purpose of harvesting fodder for feeding livestock.

  • Page 4: Table Of Contents

    Mower conditioner FC250RG $Contents  Dear Owner........................1  Contents ......................... 2  Identification of the machine ..................4 Front view ............................4 Model identification plate ........................5 Optional equipment..........................6  Safety ..........................7 Description of symbols used in this document ................7 Safety instructions ...........................8...
  • Page 5 Mower conditioner FC250RG  Instructions for work....................41 Putting the machine into work position ..................41 Adjustments in working position....................43 Optional equipment........................54  Optional equipment......................54 Chain stroke limiter........................54 Mechanical drawbar shift ......................54 Hydraulic drawbar pivot control ....................55 Lifter disks ............................55 Quick hitch............................

  • Page 6: Identification Of The Machine

    Mower conditioner FC250RG $Identification of the machine 1. Front view Identification of the machine KN236CGB C...

  • Page 7: Model Identification Plate

    Mower conditioner FC250RG 2. 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. KUHN S.A. 67700 SAVERNE - FRANCE...

  • Page 8: Optional Equipment

    Mower conditioner FC250RG 3. Optional equipment Tick box corresponding to the equipment fitted on your machine:  Chain stroke limiter.  Mechanical drawbar shift.  Hydraulic drawbar pivot control.  Lifter disks.  Quick hitch.  Intermediate PTO transmission shaft with constant velocity joint.

  • Page 9: Safety

    Mower conditioner FC250RG $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 10: 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 11 Mower conditioner FC250RG  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 12 Mower conditioner FC250RG  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 13 Mower conditioner FC250RG Lights and indicators Before transporting the machine on public roads, ensure that all legally required lightings and signallings are in place. Ensure that lightings and signallings are clean and in good working order. Replace any missing or broken equipment.
  • Page 14 Mower conditioner FC250RG  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 Mower conditioner FC250RG  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 16 Mower conditioner FC250RG 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 17 Mower conditioner FC250RG  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 18 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 KN236CGB C...
  • Page 19 Mower conditioner FC250RG  Projection of stones and foreign objects For driver safety, always use a tractor equipped with a cab. Keep the ground to mow free of foreign bodies. Avoid mowing on stony or rocky grounds. If this is not...
  • Page 20 Mower conditioner FC250RG  Precautions for machine use After each use, check the cutting tools (discs, knives) their attachment hardware accordance with the instructions given in the present manual. Immediately replace any worn, damaged or missing cutting tool or element. To do this, use the tool outfit supplied with the machine.

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

    Mower conditioner FC250RG 3. Location and description of safety decals on the machine  Location of safety decals 59900300 59900600 599011001 59900300 Safety KN236CGB C...
  • Page 22 Mower conditioner FC250RG  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 23 Mower conditioner FC250RG Manoeuvring area (5) Stay a safe distance from the machine. Crushing hazard. 59900600 Rotating cutting tools (6) 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.

  • Page 24: 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 25 Mower conditioner FC250RG  Tyre pressure Tyre pressure: 3 bar (43.5 psi).  Instructions specific to France Always keep to the legal speed limit of 25 km/h for driving a tractor-machine assembly on public roads.  Instructions specific to Italy The machine must be fitted with specific signalling panels to comply with the road regulations.

  • Page 26: Machine Specifications

    Mower conditioner FC250RG $Machine specifications 1. Description and glossary Parking stand Hitch pin Gyrodine hitch tube Gyrodine gearbox Drawbar Drawbar shift cylinder Front guard Lateral guard Disk 10 : Cutterbar 11 : Conditioning roller 12 : Side gearbox 13 :...

  • Page 27: Technical Specifications

    Mower conditioner FC250RG 2. Technical specifications FC250RG Attachment type 2 point linkage category 2 and 3 Number of discs Working width 2.50 m (8’2’’) Width in working position 4.34 m (14’3’’) Height in working position 1.24 m (4’1’’) Length in working position 5.18 m (17’)

  • Page 28: Required Equipment

    Mower conditioner FC250RG 3. Required equipment The machine is factory fitted with the following equipment:  Drawbar - Mechanical drawbar shift. - Hydraulic drawbar pivot control. 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»...

  • Page 29: Putting Into Service

    Mower conditioner FC250RG $Putting into service 1. Description of control elements The machine is supplied with an 18 mm box wrench (1) to carry out certain adjustment and maintenance tasks. 2. Coupling and uncoupling  Description of coupling elements - A PTO shaft 1 3/8’’ - 6 splines.
  • Page 30 Mower conditioner FC250RG  Preparing the tractor Check that the tractor's authorized gross weight as well as its lift capacity and maximum weight per axle are not exceeded: See section: - Safety / Safety instructions / Precautions when driving on public roads.
  • Page 31 Mower conditioner FC250RG  Preparing the machine The machine is factory set at a PTO speed (rotational frequency) of 1000 min Changing the PTO speed With the machine attached: - Attach lower links to the hitch pins on the inside of the yokes.
  • Page 32 Mower conditioner FC250RG  Coupling the machine - Lower the tractor three-point linkage. - Place the lower links as close as possible under the hitch pins. - Attach lower links to the hitch pins on the inside of the yokes.
  • Page 33 Mower conditioner FC250RG  Hydraulic connections - Connect the 2 hydraulic hoses of the drawbar shift cylinder to a double acting valve (1). - Connect the mowing unit lift cylinder to a single acting valve (2).  Electrical connections - Connect machine 7-pin plug on the tractor 7-pin socket.
  • Page 34 Mower conditioner FC250RG  Primary PTO shaft Make sure that the PTO shaft is correctly adjusted, to avoid premature wear and tear. 1000 The direction of rotation is shown on a decal. Separate the two half PTO shafts and connect them to the machine's input shaft and to the tractor PTO stub.
  • Page 35 Mower conditioner FC250RG 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. Attach PTO shaft guard chain in hole (1) on machine side.
  • Page 36 Mower conditioner FC250RG  Intermediate PTO shaft Before adjusting, maintaining or repairing the machine, turn off ignition key and wait until all moving parts have come to a complete stop. Friction slip clutch The secondary PTO transmission shaft is fitted with a friction slip clutch.
  • Page 37 Mower conditioner FC250RG - Loosen nuts to release friction discs (a). - Let the friction discs slip for a few seconds (b). - Tighten nuts until distance (L) is 34 mm (1.34’’). Do not fully tighten springs to prevent damage on drive elements.
  • Page 38 Mower conditioner FC250RG - Couple the PTO shaft to the cover shaft. Attach PTO shaft guard chain in hole (1) on machine side. Immediately replace any worn or damaged guard. Putting into service KN236CGB C...
  • Page 39 Mower conditioner FC250RG  Adjusting the machine Lateral adjustment of the lower links. - Balance the play on either sides of the lift linkage and lock lower link stabilizers. Frame height When optional equipment is used, follow specific procedures mentioned in the related section: Chain stroke limiter.
  • Page 40 Mower conditioner FC250RG  Uncoupling the machine Park the machine on an even fairly level ground. Preferably park the machine in transport position, with the mowing unit resting on the ground. - Lower and lock parking stand (1). - Lower the tractor three-point linkage to rest the machine on the ground.

  • Page 41: Instructions For Transport

    Mower conditioner FC250RG $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 42: Conformity With The Road Regulations

    Mower conditioner FC250RG Opened position (1). Closed position (2). - Release and lift side guard using 18mm box spanner supplied with the machine: • (a): Position wrench. • (b): Unlock and raise side guards. - Lock guard in raised position using spring (1).

  • Page 43: Instructions For Work

    Mower conditioner FC250RG $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...
  • Page 44 Mower conditioner FC250RG Opened position (1). Closed position (2). - Remove R-clip (1). - Remove safety bar (2). - Open drawbar shift cylinder lock valve (3). - Activate the transport/work cylinder control valve in the "pivot into work" position. Wait until cylinder is fully extended.

  • Page 45: Adjustments In Working Position

    Mower conditioner FC250RG 2. Adjustments in working position  Cutting height Place the machine on flat ground. The cutting height is adjusted with the machine attached, hitch pins at 500 - 550 mm (1’7’’ - 1’9’’) from the ground. Cutting height is always adjusted before adjusting the ground pressure.
  • Page 46 Mower conditioner FC250RG Replacing the side skids The machine is factory set with low skids. Additional skids are supplied with the machine. - Remove side skids (1) (a): • Remove the 4 nuts (2). • Remove 4 bolts (3). - Fit raised skid shoes (4) (b): •...
  • Page 47 Mower conditioner FC250RG  Reduced or increased ground pressure The mowing unit is suspended by means of floatation springs (1). Place the machine on flat ground. The adjustment is made with the machine attached and the drawbar in horizontal position.
  • Page 48 Mower conditioner FC250RG  Roller speed Always place the machine in working position before making rotor speed (rotational frequency) adjustments. The machine is factory set at a rotor speed of 810 min The rotor speed can be set at 1000 min...
  • Page 49 Mower conditioner FC250RG - Loosen belt tensioning bolt using box spanner (1). - Slacken V-belts and check their condition. - Remove belt tensioning bolt from its holder. - Tip over jockey pulley (2). - Remove the 4 V-belts (1). - Remove bolts and washers (2).
  • Page 50 Mower conditioner FC250RG  Belt tension Check that belt tension as from the first hour of use. the belt should not deflect more than 10 mm (0.40’’). Never replace belts individually. Replace belts in full sets. Adjusting the tension: - Tighten screw (1) to tension belts.
  • Page 51 Mower conditioner FC250RG  Conditioning intensity Before adjusting, maintaining or repairing the machine, turn off ignition key and wait until all moving parts have come to a complete stop. Conditioning intensity is determined by the pressure exerted by the two rollers.
  • Page 52 Mower conditioner FC250RG  Checking the roller parallelism and gap Stop (1) located on each side of the conditioner are factory set to ensure the parallelism and minimum roller gap. Check minimum gap between rollers: J = 2 to 3 mm (0.08’’ - 0.12’’) Check parallelism over the whole roller width.
  • Page 53 Mower conditioner FC250RG  Swathing system Minimum windrow width: - Loosen 2 handles (1). - Pivot swath shields inwards to reduce the swath width. - Tighten 2 handles (1). - Loosen 2 handles (1) (1 on each side). - Raise windrow curtain (2).
  • Page 54 Mower conditioner FC250RG - Loosen 2 handles (1) (1 on each side). - Lower windrow curtain (2). - Tighten 2 handles (1). - Raise the inner swath shield (3) using control (4). swath width adjusted approximately 0.70 m to 1.60 m (2’4’’ - 5’3’’).
  • Page 55 Mower conditioner FC250RG 3. Machine use Before mowing and to reduce risks of projections, lower side guards. Check that nobody is within the machine pivoting area. If there is someone, make sure the person moves away. Never lean or step on the protection cover.

  • Page 56: Optional Equipment

    Mower conditioner FC250RG $Optional equipment 1. Chain stroke limiter Kit no. 1086530 Check chains allow tractor lift linkage stabilization and ensure a fixed frame height. 2. Mechanical drawbar shift Kit no. 1086280 The mechanical drawbar shift replaces the hydraulic shift cylinder for tractors not fitted with enough hydraulic outlets.

  • Page 57: Hydraulic Drawbar Pivot Control

    Mower conditioner FC250RG 3. Hydraulic drawbar pivot control Kit no. 1086970 This equipment allows hydraulic setting of the drawbar into transport/work position. 4. Lifter disks Kit no. 1086850 This equipment facilitates crop flow to the conditioning system. 5. Quick hitch Kit no.

  • Page 58: Intermediate Pto Transmission Shaft With Constant Velocity Joint

    Mower conditioner FC250RG 6. Intermediate PTO transmission shaft with constant velocity joint Kit no. 4600410 The constant velocity PTO shaft can work at greater angles than the standard PTO shaft. Before using this equipment, read manual supplied with the PTO.

  • Page 59: Maintenance And Storage

    Mower conditioner FC250RG $Maintenance and storage Before adjusting, maintaining or repairing the machine, turn off ignition key and wait until all moving parts have come to a complete stop. 1. Frequency chart Maintenance intervals are indicated for normal conditions of use.

  • Page 60: Lubrication

    Mower conditioner FC250RG 2. Lubrication Except for the secondary PTO shaft lubrication, the machine must be placed in transport position for all maintenance operations (knife replacement, lubrication, etc). - Clean grease nipples before greasing. Lubricate with multi-purpose grease grade NLGI 2 ...
  • Page 61 Mower conditioner FC250RG - Remove guard. - Grease the U-joints. - Reinstall guard. Intermediate PTO shaft 2 - Every 8 hours: • universal joints (1). - Every 20 hours: • transmission tube (2). - Remove guard. - Grease the U-joints.
  • Page 62 Mower conditioner FC250RG  Oil change: The cutterbar Before draining oil, operate the machine for a few minutes so that the oil warms up. The cutterbar is lubricated with 1.70 L (0.45 US gal) of extreme-pressure gear oil with viscosity grade SAE 80W and API grade GL4.
  • Page 63 Mower conditioner FC250RG The Gyrodine gearbox Upper gearbox: Before draining oil, operate the machine for a few minutes so that the oil warms up. The upper gearbox is lubricated with 1 L (0.26 US gal) of extreme-pressure gear oil with SAE 80W viscosity grade API and GL4.
  • Page 64 Mower conditioner FC250RG Lower gearbox: Before draining oil, operate the machine for a few minutes so that the oil warms up. The lower gearbox is lubricated with 2.5 L (0.66 US gal) of extreme-pressure gear oil with SAE 80W viscosity grade API and GL4.
  • Page 65 Mower conditioner FC250RG The side angle gearbox Before draining oil, operate the machine for a few minutes so that the oil warms up. The upper gearbox is lubricated with 2 L (0.53 US gal) of extreme-pressure gear oil with SAE 80W viscosity grade API and GL4.
  • Page 66 Mower conditioner FC250RG After emptying: Replace the hose (1).  Grease - The Gyrodine gearbox. - The drawbar pivot pin. Maintenance and storage KN236CGB C...
  • Page 67 Mower conditioner FC250RG - The belt tensioner housing. - Link rods. Maintenance and storage KN236CGB C...
  • Page 68 Mower conditioner FC250RG - Wheel arms. - Pulley housings. - Shaft bearings. Maintenance and storage KN236CGB C...

  • Page 69: Maintenance

    Mower conditioner FC250RG 3. Maintenance Before adjusting, maintaining or repairing the machine, turn off ignition key and wait until all moving parts have come to a complete stop.  Belts Never replace belts individually. When a belt is damaged, always replace the whole set.
  • Page 70 Mower conditioner FC250RG  Checking cutterbar oil level - Regularly check the cutterbar oil level: • Place the cutterbar in horizontal position (with regards to X and Y axis). • Remove filler plug (1) and (2) as well as their seals.
  • Page 71 Mower conditioner FC250RG  Checking the oil levels Gyrodine gearbox - Check oil level in lower gearbox: • The oil level must reach lower part of level plug hole. - Check oil level in upper gearbox: • The oil level must reach lower part of level plug hole.
  • Page 72 Mower conditioner FC250RG  Inspection of knives and securing elements Immediately replace worn or damaged parts with genuine KUHN parts. Knives Inspect systematically all knives before the machine is operated to: - ensure the cutting quality. - ensure safety in use.
  • Page 73 Mower conditioner FC250RG Securing elements - Check the securing elements: • After hitting an obstacle. • When replacing knives. • At the beginning of each season. - The fixing bolts should be changed in the following cases (2): • When there is visible distortion.
  • Page 74 Mower conditioner FC250RG Knife replacement 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. Replace immediately all worn or distorted knives.

  • Page 75: Storage

    Mower conditioner FC250RG 4. Storage  At the end of each season - Clean the machine thoroughly. - Drain all gearboxes and cutterbar and refill with new oil (see "Lubrication" chapter). - Touch up any areas of damaged paintwork. - Put the machine under cover in a dry place.

  • Page 76: Troubleshooting Guide

    Mower conditioner FC250RG $Troubleshooting guide    Problem Cause Remedy Dull or broken knives. Replace knives. Make sure the arrow on the Knives not installed correctly. knife upper face is pointing in the disc's direction of rotation. Excessive ground speed.
  • Page 77 Mower conditioner FC250RG Incorrect cutting height. Adjust the cutting height. Too much cutterbar down Adjust the mowing unit ground Frequent knife breakage. pressure. pressure. Excessive ground speed. Reduce groundspeed. Dull or broken knives. Replace knives. Check that torque limiter is functioning.

  • Page 78: 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 79 - 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 80 $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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