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KUHN GA7822, Operator'S Manual

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KUHN GA7822 Operator'S Manual Download Page 39

Instructions for work

Gyrorake

GA7822

37

• Lower and lock rear guard (2).

• Place tool in holder (3).
• Open valves on hydraulic hose couplers.

- Press control handle switch and activate double

acting valve to lower the rear windrow curtain.

- Move forward and activate the double acting valve to

pivot the rear rotor to the right or left.

- Activate single acting valve to lower the rotors to the

desired height.

The machine is in working position.

If the tractor is fitted with a hydraulic valve with
adjustable flow rate, reduce oil flow to limit
pivoting speed.

Summary of Contents for GA7822

Page 1: ...OPERATOR S MANUAL Gyrorake GA7822 KN004AGB I English 08 2005...

Page 2: ......

Page 3: ...O NOT ASSUME YOU KNOW HOW TO OPERATE AND MAINTAIN YOUR MACHINE before reading this manual carefully KEEP THIS MANUAL AVAILABLE FOR REFERENCE Pass it on to the next owner if you re sell the machine You...

Page 4: ...ment 6 Safety instructions 7 Location and description of pictorials on the machine 15 Road safety equipment and recommendations 18 Machine specifications 20 Description and glossary 20 Technical speci...

Page 5: ...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 50 Maint...

Page 6: ...Gyrorake 4 GA7822 Identification of the machine IDENTIFICATION OF THE MACHINE 1 Front view transport position 2 Rear view working position...

Page 7: ...nd serial number of the machine This information is to be indicated to the dealer for all spare parts orders Type GA7822 No 4 Optional equipments Tick box corresponding to the equipment fitted on your...

Page 8: ...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 resul...

Page 9: ...aintained and repaired by competent persons who are familiar with machine specifications and operation and aware of safety regulations for preventing accidents The operator must imperatively respect s...

Page 10: ...rmly in place and in good condition Immediately replace any worn or damaged guard Precautions when driving Precision steering tractor adherence road holding and efficient braking are influenced by the...

Page 11: ...surpassed The front axle load 1 must never under any circumstances be less than 20 of the tractor s unladen weight Transport position Before transporting the machine on public roads place the machine...

Page 12: ...c circuit To avoid making wrong connections mark hydraulic couplers and corresponding hoses with colours WARNING Functions could be reversed for example lift lower and cause accidents Regularly check...

Page 13: ...the machine disengage the PTO drive turn off the engine remove ignition key and wait for all moving parts have come to a complete stop If the primary PTO shaft is equipped with a slip clutch or a free...

Page 14: ...tandardized tools Before any work is performed on the wheels ensure that the machine rests on the ground and is perfectly stable so that it cannot move accidentally put chocks in place Pictorials Safe...

Page 15: ...rcuit Also disconnect alternator and battery terminals Repairs on elements under pressure or tension springs pressure accumulators etc must only be carried out by competent persons with regulation equ...

Page 16: ...guards are in place Keep all persons and animals away from the danger zone Stay a safe distance from the Gyrorake when rotors are moving Never reverse while raking After the power source has stopped t...

Page 17: ...Safety Gyrorake GA7822 15 3 Location and description of pictorials on the machine Location of pictorials...

Page 18: ...machine 2 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...

Page 19: ...ing 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...

Page 20: ...to the legal speed limit for driving a tractor machine assembly on public roads The rear safety device comprises 2 signalling panels 1 2 signalling lights 2 red light stop light turn signal light 2 re...

Page 21: ...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 com...

Page 22: ...Wheel chocks 2 Windrow curtain lift cylinder 3 Drawbar 4 Front guards 5 Front windrow curtain Optional equipment 6 Storage racks 7 Rear rotor windrow curtain 8 Rotor undercarriage and wheels 9 Front...

Page 23: ...1220 2 windrow formation 7 80 m 25 7 approximately Swath width from 1 00 to 1 70 m 3 3 5 7 approximately Width in working position 1 windrow formation from 5 20 to 8 30 m 17 1 27 3 Width in working po...

Page 24: ...690 Coupling device IT Kit no 1146680 Coupling device US CA 4 Sound levels Sound levels have been measured in accordance with the measuring methods as defined in NF EN 1553 Agricultural machinery Self...

Page 25: ...rol 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 or Unfolding or f...

Page 26: ...o the battery terminals respecting the polarities The wiring harness is fitted with a 15 Amp ATO type fuse Part no 82333017 Positioning and parking The control handle must be easily accessible from th...

Page 27: ...hydraulic hoses with a 2 position valve that control the transport work position setting and the rear windrow curtain adjustment One hydraulic hose with a 2 position shut off valve that controls the r...

Page 28: ...sing 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 Remove pin 3...

Page 29: ...e system strength of 45 kN 10100 lbf The safety chain must be tied around a tractor attachment point other than the attachment bar The safety chain is only supplied in countries where it is a required...

Page 30: ...ic 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 Open valves...

Page 31: ...learance L of at least 25 mm 1 must be maintained When the PTO shaft is in its maximum extended position the tube overlap must be more than 250 mm 10 If this is not the case Mark length H to cut when...

Page 32: ...ter located on the rear frame that adjusts the locking speed of the rear rotor 3D suspension is factory preset To avoid serious accidents the PTO drive shaft guards must be properly in place and fixed...

Page 33: ...isconnect and store control handle in holder 3 Remove pin 1 and parking stand 2 from its holder Install parking stand 2 on drawbar Secure parking stand 2 with pin 1 Lower parking stand using crank han...

Page 34: ...ne with the tractor Press push button switch 1 on control handle and activate the double acting valve to raise the rear windrow curtain Close valves on hydraulic hose couplers Before placing the machi...

Page 35: ...Instructions for transport Gyrorake GA7822 33 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...

Page 36: ...ht side rotor 2 Remove the 2 successive outer tine arms on each left side rotor 1 Store tine arms in racks fitted on the mid frame Secure tine arms with lynch pins 1 The machine is in transport positi...

Page 37: ...on public roads Before driving the machine on public roads ensure that the machine meets current highway code regulations Before going on public roads Make sure rotors are in line with the tractor Che...

Page 38: ...ch rotor Secure tine arms with lynch pins 1 Fold rotor guards Unlock guards using tool 1 Fold and lock front guards 1 Before placing the machine in working position Check that nobody is within the mac...

Page 39: ...e double acting valve to lower the rear windrow curtain Move forward and activate the double acting valve to pivot the rear rotor to the right or left Activate single acting valve to lower the rotors...

Page 40: ...for work 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 machi...

Page 41: ...n 1 windrow formation Move forward and activate the double acting valve to pivot the rear rotor to the right Adjust the working width by altering the rear rotor offset Check that nobody is within the...

Page 42: ...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...

Page 43: ...ank handle 2 Adjust rear rotor low position by turning handle 1 until it butts against its stop Refine the rotor levelling with crank handle 2 Before carrying out any maintenance or repairs on the mac...

Page 44: ...Gyrorake 42 GA7822 Instructions for work Lock handles in holders 1 to prevent any setting alterations Open valves on hydraulic hose couplers...

Page 45: ...can be adjusted in 5 positions The high position is used on very irregular grounds The low position is used in low density crop Lengthways adjustment The windrow curtain can be set forwards or backwar...

Page 46: ...tting the rotor Levelling From the working position Remove attachment screw 1 Pivot eccentric 2 into positions A b or C to obtain distance A B between left right rotor tines and the ground Refit screw...

Page 47: ...ceed 540 min 1 The machine is changed from working position to headland turn position by raising rotors with the tractor s single acting valve Drive speed Drive speed must be adapted to the encountere...

Page 48: ...row 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 Remove and store...

Page 49: ...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: ...row curtain can be adjusted in 5 positions The high position is used on very irregular grounds The low position is used in low density crop Lengthways adjustment The windrow curtain can be set forward...

Page 51: ...eel can be fitted either on the right or left side of the front frame Machine use Place the machine in working position Lower the prop wheel using handle 1 until it touches the ground Give a few addit...

Page 52: ...dercarriage improves the machine stability on very steep slopes Complementary axle adjustment No particular adjustment is required for the complementary axle The 3 traction springs 1 ensure that the w...

Page 53: ...come to a standstill and apply park brake Check that valves on hydraulic hose couplers are closed After the first 10 hours of use Every 50 hours Every 200 hours or at the end of the season Lubrication...

Page 54: ...t Primary PTO shaft Every 8 hours U joints 1 Every 20 hours transmission tube 2 Every 40 hours guide rings 3 locking pins 4 Secondary PTO shaft Every 8 hours U joints 1 Every 20 hours transmission tub...

Page 55: ...ints 1 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...

Page 56: ...GA7822 Maintenance and storage The DIGIDRIVE coupling fingers 1 Every 200 hours or at the end of the season Oil The guard locks 1 The pivot pins of coupling device 1 Lubricate with SHELL SAE 90 EP GL...

Page 57: ...storage Gyrorake GA7822 55 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 particu...

Page 58: ...d pack the connections between rotor arms and removable tine arms with never seize grease Check good sealing of Reduction gearboxes Gyrodine gearbox At the start of each season Read through the operat...

Page 59: ...Limited warranty Gyrorake GA7822 57 LIMITED WARRANTY...

Page 60: ...Gyrorake 58 GA7822 Limited warranty...

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Page 64: ...info kuhnsa com Soci t Anonyme au Capital de 2 530 000 Euros KUHN HUARD S A B P 49 F 44142 CHATEAUBRIANT CEDEX FRANCE T l 33 0 2 40 55 77 00 Fax 33 0 2 40 55 77 10 www kuhnsa com E mail info kuhnsa co...

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