KUHN HR 4004 D Operator'S Manual Download Page 86

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Power harrows

HR4004D - 4504D

Trouble shooting guide

Machine clogging due to

ground build up between rotors
and levelling bars

Rear levelling bar mounted in

wet conditions

Remove rear levelling bar

Incorrect Packer roller

functioning (clogging, jamming
or soil build-up)

Incorrectly adjusted or worn out

scraper plates

Adjust each scraper plate

Scrapers jammed by trash

Clean scrapers by pivoting

them rearwards

Scraper bar incorrectly

positioned

Scraper bars must always be in

the furtherst forward position.
Wear compensation can only
be obtained by sliding the
scraper plates forward
individually

Clogging of the Maxicrumbler

roller

Wet conditions, too high load

on the roller

use Packer PK2 roller or

Maxipacker roller

Summary of Contents for HR 4004 D

Page 1: ...KN208BGB A OPERATOR S MANUAL Power harrows HR4004D 4504D KN208BGB A English 08 2010...

Page 2: ......

Page 3: ...efully 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 are manufac...

Page 4: ...ocument 8 Safety instructions 9 Location and description of safety decals on the machine 18 Road safety equipment and recommendations 21 Machine specifications 22 Description and glossary 22 Technical...

Page 5: ...stroke limiters 56 High capacity hydraulic lift linkage 57 Track eradicators 62 Front or rear levelling bar 64 Front semi automatic linkage 65 Adaptation parts for VENTA LC 66 Adaptation parts for VE...

Page 6: ...Power harrows 4 HR4004D 4504D Identification of the machine Identification of the machine 1 Front view 2 Rear view...

Page 7: ...arrows HR4004D 4504D 5 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 HR4004D HR...

Page 8: ...capacity hydraulic lift linkage Kit no 1216610 2 track eradicators with traction bolt overload mechanism Kit no 1216620 2 track eradicators with spring overload mechanism Kit no 1237310 Semi automatic...

Page 9: ...e Power harrows HR4004D 4504D 7 HR4004D HR4504D Kit no 1238850 Track eradicator mounting yokes Kit no 1238680 Front or rear levelling bar Kit no 1238850 Track eradicator mounting yokes Kit no 1238690...

Page 10: ...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 11: ...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 12: ...n 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 distributi...

Page 13: ...ace any missing or broken equipment Gross weight and weight per axle Always obey current regulations for driving on roads The drawings are not legally binding their only aim is to illustrate the metho...

Page 14: ...laden load on tractor front axle T2 kg Empty load on tractor rear axle t kg Axle loads Tractor machine t1 kg Load on front axle Tractor machine t2 kg Load on rear axle Tractor machine t1 max kg Maximu...

Page 15: ...kg 3300 lb Add ballast weights until the minimum front axle load is exceeded Repeat checking procedure Stage 3 To measure Total weight t Tractor machine transport position Ballast weights Checking To...

Page 16: ...tor manufacturer Maximum speed Always keep to the legal speed limit for driving a tractor machine assembly on public roads Precautions when coupling Before attaching the machine make sure that it cann...

Page 17: ...h manufacturer s recommendations Before engaging the PTO drive make sure all people and animals are clear from the machine Never engage the PTO drive when the tractor engine is stopped When uncoupling...

Page 18: ...ase the pressure from the hydraulic circuit and leave the machine to cool down Make sure that the parts of the machine that need to be lifted for maintenance or repair work are firmly propped up Befor...

Page 19: ...rdware in accordance with the instructions given in the present manual Check the guards regularly Immediately replace any damaged or missing elements Make sure all the guards are in place Keep all per...

Page 20: ...Power harrows 18 HR4004D 4504D Safety 3 Location and description of safety decals on the machine Location of safety decals HR4004D HR4504D...

Page 21: ...fore 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 complete stop and apply park brake Pr...

Page 22: ...Power harrows 20 HR4004D 4504D Safety Do not step on the machine 5 Do not step on the machine Risk of falling or damaging the protection device...

Page 23: ...ns Always keep to the legal speed limit for driving a tractor machine assembly on public roads The rear safety device comprises 2 red reflectors 1 The front safety device comprises 2 white reflectors...

Page 24: ...R4004D 4504D Machine specifications Machine specifications 1 Description and glossary 0 1 Gearbox 2 Roller 3 Scraper bar 4 Anti ridging plate 5 Side deflector 6 Blade 7 lower links 8 Blade holder 9 PT...

Page 25: ...king width 4 00 m 13 1 4 50 m 14 9 Working depth from 30 to 250 mm 1 2 9 8 Overall width 4 10 m 13 5 4 55 m 14 1 Power requirement 73 kW 100 hp 81 kW 110 hp Maximum allowable DIN engine power 184 kW 2...

Page 26: ...pto shaft Reinforced PTO shafts listed below are recommended for tractors with power exceeding 147 kW 200hp Part no 4600657 1 3 8 21 spline pto shaft or Part no 4600658 1 3 4 6 spline pto shaft or Par...

Page 27: ...d the rotors and create an optimum seedbed To increase seedbed crumbling and clod break up To improve seedbed levelling The machines are factory fitted with one of the following rollers Maxicrumbler r...

Page 28: ...Maxipacker roller HR4004D Part no 1238440 HR4504D Part no 1238450 The Maxipacker roller is adapted to all soil types and particularly to wet and sticky soils The roller is fitted with a scraper bar Sc...

Page 29: ...ve been measured in accordance with the measuring methods as defined in NF EN ISO 4254 1 Agricultural machinery Safety Part 1 General requirements Weighted equivalent continuous acoustic pressure leve...

Page 30: ...hitch coupler category 2 or 3 The tractor PTO stub must rotate at a nominal speed of 1000 min 1 The power harrow can also be used with tractors having a PTO speed of 540 min 1 or 750 min 1 The rotors...

Page 31: ...r links in accordance with tractor attachment category Category 2 linkage a Position only to be used on exceptional occasions L 825 mm 2 8 approximately Category 3 linkage b L 825 mm 2 8 approximately...

Page 32: ...When the tractor is fitted with a standard 3 point attachment category 2 use category 2 upper hitch pins Part no 52596900 Available as spare part When the tractor is fitted with a standard 3 point at...

Page 33: ...ust be more than 220 mm 8 6 Lower the machine in order to place PTO shaft in horizontal position When the PTO shaft is in its maximum overlap position retracted tubes should not butt against the yokes...

Page 34: ...n an overload occurs When the cut out clutch releases it cuts out torque transmission to the machine When the cam type cut out clutch releases Disengage tractor PTO Lift the machine off the ground Eng...

Page 35: ...removal Uncouple PTO shaft on machine side remove cam type cut out clutch guard Loosen clamp cone by unscrewing the cone a few turns Using a punch diameter 10 mm 0 4 free clamp cone from its seat Ful...

Page 36: ...e Torque at 7 daN m 51 lbf ft Reinstall cam type cut out clutch guard Cam type cut out clutch adjustment Altering the setting Before disassembling check that the cam type cut out clutch is engaged Rem...

Page 37: ...Using a vernier caliper Note On first removal of the slip clutch use Graph below to determine measurement L The measure L will usually be found to be between 48 9 and 49 7 mm 1 92 1 95 Adjust measure...

Page 38: ...slots in the bore of the housing Reinstall the cam type cut out clutch onto its shaft PTO output stub on gearbox The gearbox is factory fitted with a rear PTO output stub that rotates in the same dir...

Page 39: ...g the machine Lateral adjustment of the lower linkage arms Balance the play on either sides of the lift linkage and lock lower link stabilizers Front rear machine levelling Adjust the top link length...

Page 40: ...g into service Rotor speed adjustment The rotor speed can be adjusted by inverting the standard gearwheels or by using optional gearwheel sets Select required rotor speed from the following chart Refe...

Page 41: ...link length to slightly tilt the machine forward Remove screws 1 and gearbox cover 2 Position gearwheels according to the required speed Clean and reassemble the unit Tightening torque 10 daN m 74 lb...

Page 42: ...9 lbf ft Ensure the plates are fitted central to the stud rows The slots in the scraper plate supports provide lateral adjustment Tightening torque 10 daN m 67 lbf ft The scraper bar is factory fitted...

Page 43: ...ning it The nylon scraper plate is particularly well suited for light silty or chalky soils or soils with small amounts of plant residue or stones Fitting and adjusting the nylon scraper plate Place n...

Page 44: ...longitudinal front rear position of the deflector anti ridging plate must be adapted to The roller position and type Loosen the 2 nuts 1 Set side deflector anti ridging plate in the required position...

Page 45: ...ing The location of lifting points is indicated by a pictorial Part no 09905510 Use lifting points 1 Park the machine on an even fairly level ground When track eradicators are fitted on the machine th...

Page 46: ...ion 2 Conformity with the road regulations Check that reflectors are clean Before placing the machine into transport position Wait until the rotating parts have come to a complete stop Never engage th...

Page 47: ...machine is in working position 2 Adjustments in working position Working depth The roller provides working depth adjustment and control Fit the adjustment pin 2 in one of the adjusting plate holes 1 t...

Page 48: ...ch must be respected in all situations and that are often related to Weather conditions Avoid working during and immediately after rain wait until the ground to be worked is completely drained Soil ty...

Page 49: ...Instructions for work Power harrows HR4004D 4504D 47 Groundspeed Groundspeed must be adapted to the encountered working conditions...

Page 50: ...ts of gearwheels With this equipment additional rotor speeds may be obtained Kit no 1238930 Set of 30 and 35 teeth gearwheels Kit no 1238700 Set of 27 and 38 teeth gearwheels Kit no 1238710 Set of 25...

Page 51: ...Optional equipment Power harrows HR4004D 4504D 49 Refer to the decal fitted on the machine...

Page 52: ...he required position Reinstall and tighten screws 1 Distance between the lower links Change the position of the 4 R clip 1 on bent spacer 2 to alter the distance between the lower links Tension stabil...

Page 53: ...ination s overhang when fitting an additional machine The equipment is composed of A 3 point hydraulic attachment category 2 Location and description of safety decals on the machine Location of safety...

Page 54: ...moving parts have come to a complete stop Additional machine lowering 2 Make sure that the additional machine rests on the ground Before turning off the engine Before carrying out any maintenance or...

Page 55: ...linkage adaptation a A 683 mm 2 2 Category 2 linkage adaptation b B 825 mm 2 8 Attachment brackets The attachment hooks can be positioned at 2 different heights to obtain best adaptation of the addit...

Page 56: ...can be reduced by 220 mm 8 7 Position a Factory setting Position b Maximum overhang Position c Minimum overhang Remove bolts 1 Place hydraulic attachment frame 2 in the required position Reinstall bo...

Page 57: ...etween the power harrow and the additional machine Attach one side of safety chain 1 to the power harrow headstock 2 and the other end to the hydraulic lift linkage frame 3 Insert and lock pins using...

Page 58: ...be maintained Fit the stroke limiters to the hydraulic lift linkage Install the 4 washers Insert and lock lynch pins 1 of each pin Tighten the assembly using nut 2 Machine use By fitting the hydrauli...

Page 59: ...This equipment allows an additional machine to be coupled The equipment is composed of A 3 point hydraulic attachment category 2 Location and description of safety decals on the machine Location of sa...

Page 60: ...moving parts have come to a complete stop Additional machine lowering 2 Make sure that the additional machine rests on the ground Before turning off the engine Before carrying out any maintenance or...

Page 61: ...ooks can be fitted in 3 different positions to obtain best adaptation of the additional machine Loosen screw 3 Remove bolt 2 and nut 1 Place hook 4 in the required position Reinstall bolt 2 and nut 1...

Page 62: ...raulic valve lever 3 in the off position and position a link of chain 1 in holder 2 so that chain is tensioned Machine use By fitting the hydraulic attachment stroke limiter chain the additional machi...

Page 63: ...hydraulic attachment stroke limiter chain Uncouple the PTO shaft between the power harrow and the additional machine Completely raise the hydraulic lift linkage Fit safety plate 1 Insert and secure ly...

Page 64: ...st be mounted centrally to the tractor wheels Tighten U bolts 1 Torque 21 daN m 155 lbf ft Fit additional track eradicators when using wide tyres or dual wheels Working depth adjustment Adjust the tra...

Page 65: ...Part no 80131051 Nut Part no 80201030 With spring overload mechanism The track eradicator automatically resets to its work position after having cleared the obstacle Each track eradicator share is re...

Page 66: ...1 to adjust levelling bar height Adjust levelling bar according to The soil conditions The working depth Reinstall lock pin 2 Fit levelling bars so that their angled edges face towards the machine fr...

Page 67: ...r harrows HR4004D 4504D 65 8 Front semi automatic linkage Kit no 1237310 Category 2 linkage Kit no 1237320 Category 3 linkage This equipment is not recommended when the power harrow is used in combina...

Page 68: ...1286369 This equipment enables integrating a VENTA LC seed drill to the machine 10 Adaptation parts for VENTA AL and VENTA TI This equipment enables integrating a VENTA AL or VENTA TI to the machine...

Page 69: ...o 1616350 Floating adaptation guided by the roller Packer PK2 roller and Maxipacker roller Kit no 1616363 Floating adaptation guided by the roller Packliner roller Kit no 1616373 Rigid adaptation 12 L...

Page 70: ...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 complete stop and apply park br...

Page 71: ...bar Packer PK2 roller a Unscrew the 5 nuts 1 Remove the 3 tensioning devices 2 Slide lever in sleeves 3 Pivot scraper bar using lever Clean and reassemble the unit Tightening torque 1 22 daN m 162 lbf...

Page 72: ...ance and storage Maxipacker roller and Packliner roller b Unscrew the 7 nuts 1 Remove the 3 tensioning devices 2 Slide lever in sleeves 3 Pivot scraper bar using lever Clean and reassemble the unit Ti...

Page 73: ...the season U joints 1 Transmission tube guide rings 3 Unlock and slide guards for easier greasing of the PTO shaft u joints and guiding bushes Each time the 2 half PTO shafts are split Transmission tu...

Page 74: ...ows 72 HR4004D 4504D Maintenance and storage Trough The trough is lubricated for life with grade NLGI 0 SHELL ALVANIA WR0 semi fluid grease extreme pressure Quantity HR4004D 31 kg 68 3 lb HR4504D 34 k...

Page 75: ...filler plug 1 Clean and reinstall filler plug 1 and its washer Replace if necessary Checking the oil level Place the machine on level ground Remove level plug 2 The oil level must reach the lower edge...

Page 76: ...heck oil level and top up if necessary Check that there are no oil leaks on the central gearbox Before leaving the tractor or before adjusting maintaining or repairing the machine disengage the PTO dr...

Page 77: ...the degree of wear L reaches 150 mm 6 When there is visible distortion Immediately replace worn or damaged parts with genuine KUHN parts Using blades that are excessively worn can cause premature dam...

Page 78: ...using unlocking key supplied with the machine Part no 52598210 Remove lynch pin 1 Remove connecting piece 2 Before leaving the tractor or before adjusting maintaining or repairing the machine disenga...

Page 79: ...f the lynch pins after each blade replacement Replace them if necessary Replace lynch pins every 2 or 3 blade replacement Blade rotating to the left 4 Standard blade Part no K2500090 OPTIMIX blade Par...

Page 80: ...nuts 1 Torque 8 5 daNm 62 5 lbf ft Immediately replace worn or damaged parts with genuine KUHN parts Before leaving the tractor or before adjusting maintaining or repairing the machine disengage the...

Page 81: ...e Power harrows HR4004D 4504D 79 Oil seal replacement Blade holder position Before removing the blade holder mark its initial direction to ensure it is refitted correctly Never remove several blade ho...

Page 82: ...de holder to clear the lynch pin Pivot lynch pin ring using unlocking key supplied with the machine Part no 52598210 Remove lynch pin 1 Remove connecting piece 2 Loosen screw 3 Remove washer 4 Remove...

Page 83: ...ate oil seal housing Fit new oil seal using special tool 8 Part no K2501870 Grease the input shaft before reassembling all components Torque screw 3 to 30 daN m 221 lbf ft The oil seal is in place whe...

Page 84: ...rn or damaged scraper plates Touch up any areas of damaged paintwork Put the machine under cover in a dry place Remove and service the PTO shaft Follow the instructions in the PTO shaft operating manu...

Page 85: ...uce ground speed Incorrect setting of the rear levelling bar Raise or remove the levelling bar Tilth produced is too coarse Considerable build up of long plant residues around the blades Eliminate pla...

Page 86: ...build up Incorrectly adjusted or worn out scraper plates Adjust each scraper plate Scrapers jammed by trash Clean scrapers by pivoting them rearwards Scraper bar incorrectly positioned Scraper bars m...

Page 87: ...by T kg Tractor unladen weight T1 kg Unladen load on tractor front axle T2 kg Empty load on tractor rear axle t kg Axle loads Tractor machine t1 kg Load on front axle Tractor machine t2 kg Load on rea...

Page 88: ...he required minimum front load is reached Indicate front axle calculated load value and the one indicated in the tractor operators manual T1 real M1 x a b T1 x b M2 x c d b 4 Calculation of the total...

Page 89: ...anual Double value of the authorized capacity per tyre 2 tyres Minimum front rear ballasting kg Total weight kg kg Load on front axle kg kg kg Load on rear axle kg kg kg The minimum ballasting must be...

Page 90: ...weight M2 and the position of its centre of gravity d Tractor only T1 Load on front axle Tractor only T2 Load on rear axle Tractor only If the data required to calculate the total weight axle loads a...

Page 91: ...Appendix Power harrows HR4004D 4504D 89 T Axle loads Tractor only...

Page 92: ...Axle loads Tractor machine Hopper empty Calculating the rear tool weight M2 M2 T t Calculating the distance d d b x T1 t1 M2 c If the total unit weight exceeds the tractor Gross Combined Weight Rating...

Page 93: ...Limited warranty Power harrows HR4004D 4504D 91 Limited warranty...

Page 94: ...Power harrows 92 HR4004D 4504D Limited warranty...

Page 95: ...Limited warranty Power harrows HR4004D 4504D 93...

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