KUHN GA8121 Operator'S Manual Download Page 69 | Manualshive

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Maintenance and storage

Gyrorake

GA8121

67

KN202BGB F

• The oscillating shaft housings (24 greasers).

• Rotor gears.

Grease them by applying maximum 5 to 6 pumps
of a grease gun.

Rotate rotor once by hand before placing the
machine in transport position.

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Summary of Contents for GA8121

Page 1: ...Original instructions KN202BGB F OPERATOR S MANUAL Gyrorake GA8121 KN202BGB F English 09 2014...

Page 2: ......

Page 3: ...dealer can offer a complete line of genuine KUHN service parts These parts are manufactured and carefully inspected in the same factory that builds the machine to assure high quality and accurate fit...

Page 4: ...cument 7 Safety instructions 8 Location and description of safety decals on the machine 18 Road safety equipment and recommendations 21 Machine specifications 24 Description and glossary 24 Technical...

Page 5: ...to shaft With free wheel clutch 55 32x38 8 spline pto shaft 55 Flow divider 56 Swath curtain 57 Bogie axle suspension 58 3D axle suspension 58 Check chains 58 Bogie axles 59 SUPERBALLOON spare wheel 6...

Page 6: ...Gyrorake 4 GA8121 Identification of the machine KN202BGB F Identification of the machine 1 Rear view working position 2 Rear view transport position...

Page 7: ...lease write below the type and serial number of the machine This information is to be indicated to the dealer for all spare parts orders Type GA8121 Serial no TYP E MA SSE kg KU HN S A 677 00 SAV ERN...

Page 8: ...haft 1 3 8 6 spline pto shaft 1 3 8 6 spline pto shaft PTO shaft with free wheel 32x38 8 spline pto shaft With free wheel clutch Cam type cut out clutch Flow divider Swath curtain Bogie axle suspensio...

Page 9: ...ates 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...

Page 10: ...t only be operated maintained and repaired by competent persons who are familiar with machines specifications and operation and aware of safety regulations for preventing accidents The operator must i...

Page 11: ...place and in good condition Immediately replace any worn or damaged guard Precautions when driving Tractor handling stability performance and braking efficiency are all affected by weight distributio...

Page 12: ...d per axle The front axle load 1 must never under any circumstances be less than 20 of the tractor s unladen weight If necessary add ballast weights to the front or to the rear to preserve the steerin...

Page 13: ...ally 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 Maximum speed Always keep to the...

Page 14: ...ic circuit To avoid making incorrect connections mark hydraulic couplers and corresponding hoses with colors WARNING Functions could be reversed for example lift lower and cause accidents Regularly ch...

Page 15: ...ethal accident Do not wear loose clothing that could be caught in the rotating PTO shaft Before attaching or removing a PTO shaft or before doing any work on the machine disengage the PTO drive turn o...

Page 16: ...he machine rest the PTO shaft on the support specially provided and replace protective shield on the PTO stub of the tractor Read and follow the instructions in the operator s manual provided with the...

Page 17: ...on the ground and is perfectly stable so that it cannot move accidentally put chocks in place Safety decals Safety warning decals are placed in pictorial form on various parts of the machine They are...

Page 18: ...ectric circuit or before any electric welding is carried out on the attached machine disconnect the machine from the tractor electrical circuit Also disconnect alternator and battery terminals Repairs...

Page 19: ...h the instructions of the present manual Check the guards regularly Immediately replace any damaged or missing elements Before engaging the pto drive lower the rotors onto the ground Make sure all the...

Page 20: ...Gyrorake 18 GA8121 Safety KN202BGB F 3 Location and description of safety decals on the machine Location of safety decals 1 2 4 5 3 4 5 3...

Page 21: ...th all instructions Working on the 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 wai...

Page 22: ...Gyrorake 20 GA8121 Safety KN202BGB F Rotary tools 4 To prevent entanglement keep a safe distance from the machine Body crushing 5 Stay a safe distance from the machine Crushing hazard...

Page 23: ...roads Whatever the speed we recommend for everyones safety not to exceed a maximum speed of 40 km h 25 mph The rear device is made up of the following components 2 signalling panels 1 2 signalling lig...

Page 24: ...fety KN202BGB F The side device is made up of the following components 3 self adhesive reflectors 1 per machine side Tyre pressure Transport wheels 1 3 0 bar 43 psi Rotor wheels 2 2 0 bar 29 psi 1 1 1...

Page 25: ...ic to France Coupling device 1 Couple the machine to a tractor that is equipped with a system for locking the lift arms laterally and vertically To drive on roads respect the attachment height specifi...

Page 26: ...glossary 0 1 Parking stand 2 Rotor arm 3 Rotor arm folding cylinder 4 Transport lock 5 Front drag link 6 Storage racks 7 Drag link of steering arm 8 Transport wheel 9 Headstock 10 Tine guard 11 Main...

Page 27: ...pecifications Gyrorake GA8121 25 KN202BGB F 0 1 Tine 2 Tine arms 3 Rotor height adjustment crank 4 Stub axle 5 Guard lock 6 Oscillating shaft housing 7 Outer guard 8 Tine arm support 9 Rotor 1 2 3 5 4...

Page 28: ...rking position from 7 50 to 8 10 m 24 7 26 9 Length in working position 6 00 m 19 8 Height in working position 1 62 m 5 3 Width in transport position 2 82 m 9 3 approximately Length in transport posit...

Page 29: ...tted with one of the following PTO shafts 1 3 8 6 spline pto shaft or 1 3 8 6 spline pto shaft With free wheel clutch or 32x38 8 spline pto shaft With free wheel clutch Cam type cut out clutch Check c...

Page 30: ...ward speed on bumpy grounds 3D axle suspension Use this equipment in the following cases Adaptation of the rotors to very hilly grounds 4 Sound levels Sound levels have been measured in accordance wit...

Page 31: ...ne is fitted with the following component 1 rotor arm release cord accessible from the tractor cab 2 Coupling and uncoupling Description of coupling elements A PTO shaft 1 3 8 6 splines An electric 7...

Page 32: ...lowing component 1 single acting hydraulic outlet Tyre pressure Check tyre pressure Left side Right side Check that the tractor s authorized gross weight as well as its lift capacity and maximum weigh...

Page 33: ...pin parallelism Adjust tractor lift rods so that hitch pins are parallel to the ground Lateral adjustment of the lower links Distribute the play on each side of the lift linkage Check that the stabil...

Page 34: ...e inside of the yokes Check that lynch pins are in place and locked Raise tractor lift linkage to free parking stand Pull on handle 1 to unlock parking stand 2 Fold parking stand and lock it in place...

Page 35: ...ut shaft and to the tractor PTO stub Place the two half drive shafts side by side Before using the machine for the first time Grease the transmission Check overlap of the u joint drive shaft and adjus...

Page 36: ...e transmission tubes by the same length Bevel and clean the tubes Grease the inside of the outer tube Remove the half drive shafts Position tractor and machine in line Separate the two half PTO shafts...

Page 37: ...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 Once attached never mov...

Page 38: ...21 Putting into service KN202BGB F Hydraulic connection Connect hydraulic hose 1 of work transport position setting cylinder to a tractor single acting valve Electrical connection Connect 7 pin plug t...

Page 39: ...nkage to obtain a distance H slightly over 600 mm 2 between hitch pin axis and the ground Attach check chains supplied with the machine to the upper free hole of the tractor s top link attachment clev...

Page 40: ...machine with wheel chocks 1 Unlock 1 and lower parking stand using handle 2 Secure parking stand using lock 1 Only for France Belgium Spain Remove check chains on tractor side Park the machine on an e...

Page 41: ...onnect and store hydraulic hose in holder 2 Disconnect and store signalling plug on holder 3 Uncouple lower linkage arms Lower the tractor three point linkage Place 3 tine guards per rotor on 3 consec...

Page 42: ...ards 1 of each rotor arm Pull on the lock handle 1 Fold the guard Release lock handle and lock the guard Proceed the same way with the second rotor Before placing the machine into transport position W...

Page 43: ...in racks fitted on the main frame Insert and lock tine arm tube clip 1 Pull release cord Activate tractor single acting valve that pressurizes the rotor arm lift cylinders to fully fold the arms Relea...

Page 44: ...lips on the tine prongs 1 The machine is in transport position Synchronization of the rotor arm raising Never engage the tractor PTO drive when the machine is in transport position TYPE MASS E kg KUH...

Page 45: ...regulations Before going on public roads Only for France Belgium Spain Check the check chain tension to respect the frame height Make sure the release cord cannot be operated inadvertently Make sure t...

Page 46: ...ition From the transport position Remove the 6 tine guards and store them in their holders Before placing the machine in working position Check that nobody is within the machine pivoting area If there...

Page 47: ...release cord when rotor arms have passed the stop The arms are lowered in working position Remove 3 tines from their holders and fit them on the 3 rotor arms Fit tine arm 1 on tine arm holder 3 Insert...

Page 48: ...Check that nobody is within the machine pivoting area If there is someone make sure the person moves away The working width L1 is comprised between 7 40 and 8 00 m 24 3 26 3 approximately The working...

Page 49: ...adjustment the wheel stub axle position can be modified to increase distance D between tines and ground A too low rotor height causes An excessive tine wear Crop being contaminated by soil Delay in re...

Page 50: ...at procedure on each wheel stub axle with bogie axle Remove screws 1 nuts 2 and washers 3 Position wheel stub axles 4 in the required position Install the 3 screws 1 nuts 2 and washers 3 Torque 8 5 da...

Page 51: ...ut Torque 8 4 daN m 62 lbf ft Tighten the 3 nuts 1 Torque 8 4 daN m 62 lbf ft Proceed the same way with the other rotor right or left with bogie axle Loosen the 2 counter nuts 1 Unscrew the 2 nuts 2 M...

Page 52: ...m is mounted and adjusted either at the factory or by your Kuhn dealer No adjustment is required On a straight line the machine travels in line with the tractor Otherwise contact your KUHN authorized...

Page 53: ...llow the same track as the tractor Facilitate headland turn manoeuvres and speed up its realignment with regards to a machine not equipped with this device drive onto a field difficult to access Befor...

Page 54: ...ntermediate pto shaft on the bevel gearbox side Place PTO shaft in holder 1 Lock non used rotor in transport position When optional equipment is used follow specific procedures mentioned in the relate...

Page 55: ...t pressurizes the rotor arm lift cylinders to place the machine in headland turn position The machine is in headland turn position Adjustment Windrow clearance height When switching to the headland tu...

Page 56: ...n the 2 screws 1 holding the cam 2 Pivot cam 2 according to the required setting Tighten the 2 bolts 1 Groundspeed The machine can work at a speed of up to 15 km h 9 mph in very good working condition...

Page 57: ...6 spline pto stub 2 1 3 8 6 spline pto shaft With free wheel clutch Part no 4600238 A specific pto shaft is available as option for tractors equipped with a 1 3 8 6 spline pto stub With free wheel clu...

Page 58: ...g the machine into transport position Machine use Raking with only one rotor From transport position Putting the machine in headland turn position From the working position Position a Function activat...

Page 59: ...7 KN202BGB F 5 Swath curtain Kit no 1146940 The windrow curtain facilitates windrow formation in crop of low density Adjustment Remove lynch pin 1 Rotate handle 2 to lower or raise the windrom curtain...

Page 60: ...ptation of the rotors to slightly uneven ground contours High forward speed on bumpy grounds 7 3D axle suspension Kit no 1146910 Use this equipment in the following cases Adaptation of the rotors to v...

Page 61: ...height Remove screws 1 nuts 2 and washers 3 Position wheel stub axles 4 in the required position Install the 3 screws 1 nuts 2 and washers 3 Torque 8 5 daN m 63 lbf ft Repeat procedure on each wheel...

Page 62: ...psi 11 7 pin plug Only for North America Part no 58847400 This equipment allows electrically connecting the road signalling equipment 12 Spacer for straw Kit no 1147470 The rotors can be fitted with...

Page 63: ...earance lights Kit no 1016510 To conform with regulations in force in the country clearance lights can be fitted on the machine 14 SMV sign Kit no 1016530 To conform with the regulation in force in th...

Page 64: ...Grease The headstock pivot point The articulation of the transport wheels The connecting rods The rotor arm hydraulic cylinder pins The oscillating shaft housings Rotor gears The undercarriages Swing...

Page 65: ...ean grease nipples before greasing 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...

Page 66: ...t Every 8 hours universal joints 1 constant velocity joint 4 Every 20 hours transmission tube 2 Every 40 hours Guide rings 3 Before using the machine for the first time Grease the transmission Grease...

Page 67: ...Maintenance and storage Gyrorake GA8121 65 KN202BGB F Grease The headstock pivot point The articulation of the transport wheels The connecting rods Lubricate with multi purpose grease grade NLGI 2...

Page 68: ...Gyrorake 66 GA8121 Maintenance and storage KN202BGB F The rotor arm hydraulic cylinder pins 3D articulations Upper part 3D articulations Lower part...

Page 69: ...e Gyrorake GA8121 67 KN202BGB F The oscillating shaft housings 24 greasers Rotor gears Grease them by applying maximum 5 to 6 pumps of a grease gun Rotate rotor once by hand before placing the machine...

Page 70: ...Gyrorake 68 GA8121 Maintenance and storage KN202BGB F The undercarriages Swinging arms with bogie axle The articulation of the frame outer arms The transport locks...

Page 71: ...Maintenance and storage Gyrorake GA8121 69 KN202BGB F The rotor arms Clean and pack the connections between rotor arms and removable tine arms with never seize grease...

Page 72: ...Gyrorake 70 GA8121 Maintenance and storage KN202BGB F Oil The steering system pivot points The guard locks Lubricate with all purpose oil S 6994 EP90...

Page 73: ...g position Remove plug 1 The oil level must reach lower part of level plug hole Top up if necessary Clean and reinstall filler plug 1 and its washer Replace if necessary The main gearbox is lubricated...

Page 74: ...rame undercarriage fixing elements 1 Torque 25 daN m 185 lbf ft Check transport wheel nuts 2 for tightness Torque 27 daN m 200 lbf ft Check the mounting screw tightness Of tine arm supports 1 Torque 8...

Page 75: ...ove the 4 bolts 1 nuts 2 and washers 3 Remove housing and oscillating shaft assembly 1 Park the machine on an even fairly level ground Remove one or several tine arms for easier access Rotate rotor to...

Page 76: ...on a new oscillating shaft Replace damaged components if necessary Fit housing 3 and washers 4 Fit crank 2 on oscillating shaft Reinstall using Loctite 646 Insert roll pins to lock crank Fit roll pin...

Page 77: ...lbf ft Rotate rotor by hand to check that all parts are in proper position Install tine arm support 3 on oscillating shaft 4 Reinstall pins 2 Tighten nut 1 Torque 12 3 daN m 91 lbf ft If other tine a...

Page 78: ...d the sheath is too import additional wedges may be inserted Unscrew the 4 bolts 1 Insert spacers 2 Divide the wedging on either sides if possible Tighten the 4 bolts 1 Tyre pressure Transport wheels...

Page 79: ...arms and removable tine arms with never seize grease Check rotor sealing Check the condition of the hydraulic hoses Touch up any areas of damaged paintwork At the start of each season Re read the oper...

Page 80: ...cturer concerned in as much as the latter justifies such a claim This Limited Warranty does not apply to failure through normal wear and tear to damage resulting from negligence or from lack of inspec...

Page 81: ...ntity of lubricants used must always be in accordance with Company specifications The safety measures mentioned in the Operator s manual and on the machine itself have been followed and all the guards...

Page 82: ...forms to the requirements of following European harmonized standards conforms to the requirements of the European directive 2006 42 CE Brand Brand Machine Machine Type Model Type Model Serial no Seria...

Page 83: ......

Page 84: ...000 Euros KUHN BLANCHARD SAS 24 route de Nantes F 44680 CHEMERE FRANCE Soci t par Action Simplifi e au Capital de 2 000 000 Euros KUHN HUARD S A B P 49 F 44142 CHATEAUBRIANT CEDEX FRANCE Soci t Anonym...

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