KUHN GA4521GTH Operator'S Manual Download Page 25 | Manualshive

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Putting into service

Gyrorake

GA4521GTH

23

Hydraulic connection

- Connect hydraulic hose to a single acting spool valve.

Electrical connections

Connect 7-pin plug to the tractor.

Position a: Circuit open.

Position b: Circuit closed.

When optional equipment is used, follow specific
procedures mentioned in the related section:

-

Hydraulic windrow curtain

.

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Summary of Contents for GA4521GTH

Page 1: ...KN143BGB E OPERATOR S MANUAL Gyrorake GA4521GTH KN143BGB E English 11 2009...

Page 2: ......

Page 3: ...s manual carefully KEEP THIS MANUAL AVAILABLE FOR REFERENCE Pass it on to the next owner if you re sell the machine Your KUHN dealer can offer a complete line of genuine KUHN service parts These parts...

Page 4: ...f symbols used in this document 6 Safety instructions 7 Location and description of safety decals on the machine 15 Road safety equipment and recommendations 18 Machine specifications 19 Description a...

Page 5: ...work position 32 Adjustments in working position 34 Machine use 37 Optional equipment 38 Safety chain 38 Prop wheel 40 Hydraulic windrow curtain 41 Maintenance and storage 48 Frequency chart 48 Lubric...

Page 6: ...Gyrorake 4 GA4521GTH Identification of the machine Identification of the machine 1 Front view working position 2 Rear view working position...

Page 7: ...r of the machine This information is to be indicated to the dealer for all spare parts orders Type GA4521GTH Serial no 4 Optional equipment Tick box corresponding to the equipment fitted on your machi...

Page 8: ...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 res...

Page 9: ...ly 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 imper...

Page 10: ...ce 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 distribution tr...

Page 11: ...exceeded 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: ...lic 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 c...

Page 13: ...he 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: ...ardized 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 Safety decals Safet...

Page 15: ...s on elements under pressure or tension springs pressure accumulators etc must only be carried out by competent persons with regulation equipment Wear the appropriate protective clothing for the work...

Page 16: ...e 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...

Page 17: ...Safety Gyrorake GA4521GTH 15 3 Location and description of safety decals on the machine Location of safety decals...

Page 18: ...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 to a co...

Page 19: ...Safety Gyrorake GA4521GTH 17 Power take off 5 When guards are in transport position the rotor is locked Do not engage the PTO drive...

Page 20: ...Always keep to the legal speed limit for driving a tractor machine assembly on public roads Whatever the speed we recommend for everyones safety not to exceed a maximum speed of 25 km h 15 5 mph The...

Page 21: ...ons Gyrorake GA4521GTH 19 Machine specifications 1 Description and glossary 0 1 Drawbar 2 Parking stand 3 Rotor undercarriage and wheels 4 Rotor 5 Tine arms 6 Swath screen 7 Tine arm rack 8 Pitch angl...

Page 22: ...on 1 30 m 4 3 Width in transport position 2 20 m 7 3 Length in transport position 3 43 m 11 3 Height in transport position 2 37 m 7 9 Power requirement 26 kW 35 hp PTO speed max 540 min 1 Weight 815 k...

Page 23: ...th a 2 position shut off valve pressurizing the machine transport work position cylinder 2 hydraulic hoses pressurizing the windrow curtain setting cylinder depending upon specification Preparing the...

Page 24: ...Couple machine to tractor and secure hitch pin 1 Raise parking stand 1 using crank 2 Remove specific pin 3 Pin with automatic locking mechanism Remove and store parking stand in its holder Lock parkin...

Page 25: ...hydraulic hose to a single acting spool valve Electrical connections Connect 7 pin plug to the tractor Position a Circuit open Position b Circuit closed When optional equipment is used follow specifi...

Page 26: ...aintained 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 the transmission is the maximum overlap...

Page 27: ...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...

Page 28: ...dercarriage is fully retracted Raise PTO shaft support 1 Disconnect the PTO shaft from the tractor Secure PTO shaft into its support 1 Disconnect and store hydraulic hose on machine Disconnect and sto...

Page 29: ...locking mechanism Install parking stand 1 on drawbar Lock parking stand using specific pin Adjust parking stand height using crank handle 2 Remove pin 1 The machine is uncoupled When optional equipme...

Page 30: ...ards the machine inside Lower lock 1 to lock windrow curtain Before placing the machine into transport position Wait until the rotating parts have come to a complete stop Check that nobody is within t...

Page 31: ...positioned to the front on each side of the beam Pull on handles 2 to unlock the side guards Fold and lock guards 1 Rotate rotor by hand until fully locked with rotor lock 1 The folding of the side g...

Page 32: ...orake 30 GA4521GTH Instructions for transport Remove lynch pins 1 Disconnect tine arms 2 Position tine arms 2 on racks 3 Secure tine arms with lynch pins 3 non disconnectable tine arms 1 are not remov...

Page 33: ...legal speed limit for driving a tractor machine assembly on public roads Check that the retroreflective signalling equipment is clean and that the lighting equipment functions before going on public r...

Page 34: ...he transport work cylinder control valve in the pivot into work position Lower machine until undercarriage is fully retracted Pull on handles 2 to unlock the side guards Unfold and lock guards 1 Befor...

Page 35: ...nstructions for work Gyrorake GA4521GTH 33 Release windrow curtain lock 1 Position windrow curtain 2 towards the machine outside Lower lock 1 to lock windrow curtain The machine is in working position...

Page 36: ...l the tines slightly skim the ground Fully turn undercarriage crank Refine the rotor levelling with crank handle Before manoeuvring the machine Check that nobody is within the machine pivoting area If...

Page 37: ...osition lock 1 in one of the holes 3 corresponding to the required windrow width Lower lock 1 to lock windrow curtain In very dense crop the machine can form single swaths In light crop the machine ca...

Page 38: ...rop The low position is used in low density crop Lengthways adjustment The windrow curtain can be set forwards or backwards according to the crop density and the windrow width adjustment To adjust the...

Page 39: ...oundspeed Groundspeed must be adapted to the encountered working conditions Before engaging the tractor PTO drive Keep all persons and animals away from the machine danger zone Lower and lock side gua...

Page 40: ...o tractor and secure hitch pin 1 Raise parking stand 1 using crank 2 Remove specific pin 3 Pin with automatic locking mechanism Remove and store parking stand in its holder Lock parking stand using sp...

Page 41: ...Optional equipment Gyrorake GA4521GTH 39 The safety chain must be tied around a tractor attachment point other than the attachment bar...

Page 42: ...heel 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 addi...

Page 43: ...tor cabin Preparing the tractor The tractor must be equipped with 1 double acting hydraulic outlet Hydraulic connection Connect hydraulic hoses 1 and 2 to the same tractor hydraulic double outlet Putt...

Page 44: ...handles 2 to unlock the side guards Fold and lock guards 1 Rotate rotor by hand until non disconnectable tine arms are positioned to the front on each side of the beam Rotate rotor by hand until fully...

Page 45: ...Optional equipment Gyrorake GA4521GTH 43 Remove lynch pins 1 Remove tine arms 2 Position tine arms 2 on racks 3 Secure tine arms with lynch pins 3 non disconnectable tine arms 1 are not removed...

Page 46: ...he machine into work position From the transport position Remove lynch pin from tine arms stored on racks Fit tine arms on the rotor Insert and lock lynch pin 1 Position a Circuit open Position b Circ...

Page 47: ...k cylinder control valve in the pivot into work position Lower machine until undercarriage is fully retracted Pull on handles 2 to unlock the side guards Unfold and lock guards 1 Operate the double ac...

Page 48: ...valve to place the windrow curtain in required position In very dense crop the machine can form single swaths In light crop the machine can form double swaths The windrow width adjustment and transpo...

Page 49: ...ensity crop Lengthways adjustment The windrow curtain can be set forwards or backwards according to the crop density and the windrow width adjustment To adjust the windrow curtain Remove bolts 1 Adjus...

Page 50: ...moving parts have come to a standstill and apply park brake Maintenance intervals are indicated for normal conditions of use After the first 10 hours of use Every 50 hours Every 200 hours or at the e...

Page 51: ...U joints 1 Every 20 hours transmission tube 2 Every 40 hours guide rings 3 locking pins 4 Rotor Lubricate with SHELL multi purpose grease grade NLGI 2 Lubricate with SHELL SAE 90 EP GL4 gear oil The r...

Page 52: ...tor gears 1 Rotor arm housings 1 Undercarriage Pivot points Swinging arms 1 Lubricate with SHELL multi purpose grease grade NLGI 2 Lubrication intervals are indicated for normal conditions of use In d...

Page 53: ...ance and storage Gyrorake GA4521GTH 51 Clean and grease removable tine arm ends 1 with never seize grease each time it becomes difficult to disconnect them The pitch angle adjustment handle and its pi...

Page 54: ...ean and pack the connections between rotor arms and removable tine arms with never seize grease Check good sealing Of the reduction gearbox Rotors Check the condition of the hydraulic hoses Touch up a...

Page 55: ...top link Crop pick up at the rear of the rotor Swaths too compact between tines and swath screen Increase swath screen distance Earth clods on tines Adjust wheel height Rotor speed too high Reduce PT...

Page 56: ...Gyrorake 54 GA4521GTH Limited warranty Limited warranty...

Page 57: ...Limited warranty Gyrorake GA4521GTH 55...

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