KUHN GA7822 Operator's Manual
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KUHN GA7822 Operator's Manual

Gyrorake
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OPERATOR'S MANUAL
Gyrorake
- English - 08-2005
KN004AGB I

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Summary of Contents for KUHN GA7822

  • Page 1 OPERATOR'S MANUAL Gyrorake - English - 08-2005 KN004AGB I...

  • Page 3: Dear Owner

    GA7822 $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

    Gyrorake GA7822 $CONTENTS Dear Owner........................1 Contents.......................... 2 Identification of the machine ..................4 Front view (transport position)....................... 4 Rear view (working position) ......................4 Model identification plate........................ 5 Optional equipments ........................5 Safety ..........................6 Description of symbols used in this document ................6 Safety instructions...........................
  • Page 5 Gyrorake GA7822 Instructions for work....................36 Putting the machine into work position ..................36 Putting the machine in headland turn position ................38 Adjustments in working position ....................39 Machine use ........................... 45 Optional equipments....................46 Front windrow curtain ........................46 Prop wheel............................49 Complementary axle........................

  • Page 6: Identification Of The Machine

    Gyrorake GA7822 $IDENTIFICATION OF THE MACHINE 1. Front view (transport position) 2. Rear view (working position) Identification of the machine...

  • Page 7: Model Identification Plate

    Gyrorake GA7822 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. GA7822 Type: 4. Optional equipments Tick box corresponding to the equipment fitted on your machine: Kit no.

  • Page 8: Safety

    Gyrorake GA7822 $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. Precautions to be taken before carrying out any operations on the machine...
  • Page 10 Gyrorake GA7822 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 Gyrorake GA7822 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 Gyrorake GA7822 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 13 Gyrorake GA7822 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 Gyrorake GA7822 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 Do not solder, weld or use a blow torch near fluids under pressure or inflammable products. For your own safety and for correct machine operation, only use genuine KUHN parts. Projection of stones and foreign objects For driver safety, always use a tractor equipped with a cab.
  • Page 16 Gyrorake GA7822 Precautions for machine use Before using the machine, check tools (tines) and their attachment hardware in accordance with the instructions of the present manual. Check the guards regularly. Immediately replace any damaged or missing element. Before engaging the pto drive, lower the rotors onto the ground.

  • Page 17: Location And Description Of Pictorials On The Machine

    Gyrorake GA7822 3. Location and description of pictorials on the machine Location of pictorials Safety...
  • Page 18 Gyrorake GA7822 Description of pictorials 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...
  • Page 19 Gyrorake GA7822 Body crushing (5) Stay a safe distance from the machine. Crushing hazard. Manoeuvring area (6) Stay a safe distance from the machine. Crushing hazard. Power take-off (7) When guards are in transport position, the rotor is locked. Do not engage the PTO drive.

  • Page 20: Road Safety Equipment And Recommendations

    Gyrorake GA7822 4. Road safety equipment and recommendations The road safety equipment is mounted in the factory or by your authorized dealer according to current safety regulations. Always keep to the legal speed limit for driving a tractor-machine assembly on public roads.
  • Page 21 Gyrorake GA7822 Instructions specific to France Speed (1) 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 22: Machine Specifications

    Gyrorake GA7822 $MACHINE SPECIFICATIONS 1. Description and glossary Wheel chocks Windrow curtain lift cylinder Drawbar Front guards Front windrow curtain Storage racks (Optional equipment) Rear rotor windrow curtain Rotor undercarriage and wheels Front rotor 10 : Rear rotor 11 :...

  • Page 23: Technical Specifications

    Gyrorake GA7822 2. Technical specifications Coupling device Drawbar attached to the tractor pull bar Number of rotors Number of arms per rotor Working width (DIN 11220) from 4.20 to 7.30 m (13’9’’-23’11’’) (approximately) ("1 windrow" formation) Working width (DIN 11220) 7.80 m (25’7’’) (approximately)

  • Page 24: Required Equipment

    Gyrorake GA7822 3. Required equipment Coupling the machine The country of destination determins the type of coupling device supplied with the machine: Kit no. 1146670: Standard machine. Kit no. 1146690: Coupling device (IT). Kit no. 1146680: Coupling device (US - CA).

  • Page 25: Putting Into Service

    Gyrorake GA7822 $PUTTING INTO SERVICE 1. Description of control elements The machine is fitted with one electric control handle (1). The control handle changes the function of the tractor's double acting valve and enables: - Pivoting the rear rotor. - Unfolding or folding the rear windrow curtain.
  • Page 26 Gyrorake GA7822 Description of the connection Never connect battery charger or perform welding tasks without having previously disconnected the control box. The control handle is to be pluged into a 3-pin socket. The control handle is connected to the hydraulic valve bank.

  • Page 27: Coupling And Uncoupling

    Gyrorake GA7822 2. Coupling and uncoupling Description of coupling elements - A PTO shaft 1 3/8’’ 6 splines. - A parking stand. - An 7-pin electric plug for the electrical signalling equipment. - A 3-pin plug for the control handle.
  • Page 28 Gyrorake GA7822 Drawbar height adjustment - Adjust drawbar height using the parking stand crank handle according to the height of the pull bar. Coupling the machine - Couple machine to tractor and secure hitch pin.. - Raise parking stand (1) using crank handle (2).
  • Page 29 Gyrorake GA7822 Safety chain The safety chain is only supplied in countries where it is a required equipment: FR, CA, US. The machine is supplied with a ANSI/ASAE safety chain type with a minimum ultimate system strength of 45 kN (10100 lbf).
  • Page 30 Gyrorake GA7822 HYDRAULIC Connections Two hydraulic hoses with a 2 position valve that control the transport/work position setting and the rear windrow curtain adjustment: - Connect hydraulic hoses (1) and (2) to a double acting outlet. One hydraulic hose with a 2 position shut-off valve that controls the rotor height adjustment: - Connect hydraulic hose (1) to a single acting outlet.
  • Page 31 Gyrorake GA7822 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. Check the length of the PTO shaft:...
  • Page 32 Gyrorake GA7822 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. Adjusting the machine...
  • Page 33 Gyrorake GA7822 Uncoupling the machine Park the machine on an even fairly level ground. Preferably park the machine in transport position. - Block machine with wheel chocks (1). - Uncouple the PTO shaft from the tractor. - Put the PTO shaft into its support (1).

  • Page 34: Instructions For Transport

    Gyrorake GA7822 $INSTRUCTIONS FOR TRANSPORT Before placing the machine into transport position: - Wait until the rotating parts have come to a complete stop. - Check and move away any person located in the rotor pivoting area. 1. Putting the machine into transport...
  • Page 35 Gyrorake GA7822 - Fold rotor guards: • Unlock guards using tool (1). • Lower and lock front guards (1). • Raise and lock rear left guard (2). • Place tool in holder (3). Instructions for transport...
  • Page 36 Gyrorake GA7822 - Rotate front rotor by hand until it is locked. The front rotor can only lock when the front guards are lowered. - Remove the 3 successive outer tine arms on each right side rotor (2). - Remove the 2 successive outer tine arms on each left side rotor (1).

  • Page 37: Conformity With The Road Regulations

    Gyrorake GA7822 2. Conformity with the road regulations Before driving the machine on public roads, ensure that the machine meets current highway code regulations. Check that the signalling panels are clean and that the lighting equipment functions before going on public roads.

  • Page 38: Instructions For Work

    Gyrorake GA7822 $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: - Install the 5 tine arms on each rotor.
  • Page 39 Gyrorake GA7822 • Lower and lock rear guard (2). • Place tool in holder (3). • Open valves on hydraulic hose couplers. If the tractor is fitted with a hydraulic valve with adjustable flow rate, reduce oil flow to limit pivoting speed.

  • Page 40: Putting The Machine In Headland Turn Position

    Gyrorake GA7822 2. Putting the machine in headland turn position From the working position: - Activate the tractor single acting valve to raise the rotors, The clearance (H) is then approximately 600 mm (2’). The machine is in headland turn position.

  • Page 41: Adjustments In Working Position

    Gyrorake GA7822 3. Adjustments in working position - Check that nobody is within the machine pivoting area. - If there is someone, make sure the person moves away. "1 windrow" formation - Move forward and activate the double acting valve to pivot the rear rotor to the right.
  • Page 42 Gyrorake GA7822 "2 windrow" formation - Move forward and activate the double acting valve to pivot the rear rotor fully to the left. - Adjust the working width by altering the rear rotor offset. The "2 windrows" configuration requires the use of the optional equipment: Front windrow curtain (Kit no.
  • Page 43 Gyrorake GA7822 Rotor working height - Activate single acting valve to lower the rotors to the desired height. 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 remove PTO shaft.
  • Page 44 Gyrorake GA7822 Lock handles in holders (1) to prevent any setting alterations. Open valves on hydraulic hose couplers. Instructions for work...
  • Page 45 Gyrorake GA7822 Rear rotor windrow curtain There are 3 windrow curtain adjustment possibilities. Swath width adjustment: windrow width adjustment transport/work position setting are controlled by the same double acting valve. With the windrow curtain in raised position: - Activate the double acting valve to place the windrow curtain in working position.
  • Page 46 Gyrorake GA7822 Rotor wheel eccentrics The rotor wheel eccentrics are mounted and adjusted either at the factory or by your dealer, a readjustment may be required. The eccentric adjustment enables setting the rotor Levelling. Before adjusting, maintaining or repairing the machine, turn off ignition key and wait until all moving parts have come to a complete stop.

  • Page 47: Machine Use

    Gyrorake GA7822 4. Machine use Before engaging the tractor PTO drive: Lower and lock front guards. Raise and lock rear left guard Keep all persons and animals away from the machine danger zone. - Place the machine in working position.

  • Page 48: Optional Equipments

    Gyrorake GA7822 $OPTIONAL EQUIPMENTS 1. Front windrow curtain Kit no. 1146590 The front windrow curtain enables forming 2 windrows. Fit front windrow curtain on the front guard frame. Putting the machine into transport position From the working position: - Remove R-clip and pin (1).
  • Page 49 Gyrorake GA7822 - Push windrow curtain arm (2) towards the machine. - Secure windrow curtain arm using pin (1) and R-clip. Putting the machine into work position From the transport position: - Remove R-clip and pin (1). - Remove front windrow curtain (2) from its holder.
  • Page 50 Gyrorake GA7822 Machine use Swath width adjustment: - Remove R-clip and pin (1). - Slide windrow curtain arm using pin to reach the required position. - Secure windrow curtain arm using pin (2) and R-clip. There are 2 windrow curtain adjustment possibilities.

  • Page 51: Prop Wheel

    Gyrorake GA7822 2. Prop wheel Kit no. 1146600 The prop wheel provides better adaptation to irregular ground contours. The prop wheel can be fitted either on the right or left side of the front frame. Machine use - Place the machine in working position.

  • Page 52: Complementary Axle

    Gyrorake GA7822 3. Complementary axle Kit no. 1146580 The additional undercarriage improves the machine stability on very steep slopes. Complementary axle adjustment particular adjustment required complementary axle. The 3 traction springs (1) ensure that the wheels are always in contact with the ground.

  • Page 53: Maintenance And Storage

    Gyrorake GA7822 $MAINTENANCE AND STORAGE 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. Check that valves...

  • Page 54: Lubrication

    Gyrorake GA7822 1. Lubrication The pictorials show the points to be greased. Clean grease nipples before greasing. Lubricate with SHELL multi-purpose grease grade NLGI 2 Lubricate with SHELL SAE 90 EP (GL4) gear oil PTO shaft Primary PTO shaft - Every 8 hours: •...
  • Page 55 Gyrorake GA7822 Rotors Each reduction gearbox is lubricated for life with 1.5 kg (3.3 lb) kg of SHELL multi-purpose semi-fluid grease SHELL NLGI grade 0. The Gyrodine gearbox is lubricated for life with 0.5 kg (1.1 lb) kg of SHELL multi-purpose semi-fluid grease SHELL NLGI grade 0.
  • Page 56 Gyrorake GA7822 - The "DIGIDRIVE" coupling fingers (1). Every 200 hours or at the end of the season Lubricate with SHELL SAE 90 EP (GL4) gear oil. Oil: • The guard locks (1). • The pivot pins of coupling device (1).

  • Page 57: Maintenance

    Gyrorake GA7822 2. Maintenance After the first 10 hours of use Check thighteness of all bolts and nuts, particularly on rotors (1). Every 50 hours Check thighteness of all bolts and nuts, particularly on rotors. Maintenance and storage...

  • Page 58: Storage

    Gyrorake GA7822 3. Storage At the end of each season Avoid high pressure water jets on rotors and pivot points. - Clean the machine thoroughly. - Put the machine under cover in a dry place. - Clean and pack the connections between rotor arms and removable tine arms with never-seize grease..

  • Page 59: Limited Warranty

    Gyrorake GA7822 $LIMITED WARRANTY Limited warranty...
  • Page 60 Gyrorake GA7822 Limited warranty...
  • Page 64 Société Anonyme au Capital de 4 800 000 Euros KUHN-NODET S.A. 30 rue de la Grande Haie (Z.I.) F - 77876 MONTEREAU CEDEX (FRANCE) Tél. : + 33 (0) 1 64 70 42 00 - Fax : + 33 (0) 1 64 70 42 19 www.kuhnsa.com - E-mail : info...

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