KUHN HR303D Operator'S Manual Download Page 65

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Optional equipment

Power harrows

HR303D/M

Description of safety decals

Crushing area (1)

Never operate in an area where there is a crushing risk

before all 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 repair on the

machine

- Before parking the assembly

Crushing hazard.

Putting into service

Hydraulic connection

Connect hydraulic hose to a single acting spool valve.

Summary of Contents for HR303D

Page 1: ...OPERATOR S MANUAL Power harrows HR303D M KN110FGB A English 12 2006...

Page 2: ......

Page 3: ...ly 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 manufacture...

Page 4: ...ument 8 Safety instructions 9 Location and description of safety decals on the machine 17 Road safety equipment and recommendations 20 Machine specifications 21 Description and glossary 21 Technical s...

Page 5: ...Hydraulic lift linkage stroke limiters 61 High capacity hydraulic lift linkage 62 Track eradicators 67 Front or rear levelling bar 69 Lighting and signalling 70 Front semi automatic linkage 70 Adaptat...

Page 6: ...Power harrows 4 HR303D M Identification of the machine IDENTIFICATION OF THE MACHINE 1 Front view 2 Rear view...

Page 7: ...machine Power harrows HR303D M 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...

Page 8: ...overload mechanism Kit no 1238660 Front or rear levelling bar Kit no 1238170 Signalling equipment Kit no 1238950 Signalling equipment specific to Italy Kit no 1237950 Semi automatic front linkage cate...

Page 9: ...Power harrows HR303D M 7 HR303D HR303M Kit no 1237930 Set of gearwheels 24 and 32 teeth matching gears Kit no 1239130 Set of gearwheels 21 and 35 teeth matching gears Kit no 1237420 Set of gearwheels...

Page 10: ...es 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 r...

Page 11: ...only be operated maintained and repaired by competent persons who are familiar with machine specifications and operation and aware of safety regulations for preventing accidents The operator must impe...

Page 12: ...e firmly 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...

Page 13: ...or to the rear to preserve the steering and braking efficiency The front axle load 1 must never under any circumstances be less than 20 of the tractor s unladen weight Transport position Before transp...

Page 14: ...s and that the parking stand is in the right position The machine must only be attached to the hitch points provided for this purpose Never stand between the tractor and the machine when operating the...

Page 15: ...on 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 f...

Page 16: ...ty warning decals to respect are placed in pictorial form on various parts of the machine They are there to warn you of potential dangers and to tell you how to avoid accidents Always keep the safety...

Page 17: ...repair work are firmly propped up Before any work is done on the electric circuit or before any electric welding is carried out on the attached machine disconnect the machine from the tractor electri...

Page 18: ...ware in accordance with the instructions given in the present manual Check the guards regularly Immediately replace any damaged or missing element Make sure all the guards are in place Keep all person...

Page 19: ...Safety Power harrows HR303D M 17 3 Location and description of safety decals on the machine Location of safety decals...

Page 20: ...h 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 wait...

Page 21: ...4 Keep away from rotary elements and from the machine all the time the engine is running the PTO drive is engaged and the rotors are turning Do not step on the machine 5 Do not step on the machine Ris...

Page 22: ...ment 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 The rear...

Page 23: ...cations Power harrows HR303D M 21 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 PTO...

Page 24: ...10 10 DIN engine power requirement 59 kW 80 hp Maximum allowable DIN engine power 139 kW 190 hp Weight With crumbler roller With Maxicrumbler roller With PK2 Packer roller With Maxipacker roller With...

Page 25: ...8 1 3 8 21 spline pto shaft or Part no 4600549 1 3 4 6 spline pto shaft or Part no 4600550 1 3 4 20 spline pto shaft Power harrow blades The machines are factory fitted with one of the following blade...

Page 26: ...ng rollers Crumbler roller Kit no 1236440 The Crumbler roller is adapted to dry or slightly wet soils The roller is fitted with removable bars for reducing risks of clogging or Maxicrumbler roller Kit...

Page 27: ...er cleaning or Maxipacker roller Kit no 1238420 The Maxipacker roller is adapted to all soil types and particularly to wet and sticky soils The roller is fitted with a scraper bar Scraper plates are l...

Page 28: ...n accordance with the measuring methods as defined in NF EN 1553 Agricultural machinery Self propelled mounted semi mounted and trailed Common safety recommendations Weighted equivalent continuous aco...

Page 29: ...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 are then drive...

Page 30: ...yokes The lower coupling yokes can be placed in 2 different positions Set back position a Allows to bring the machine s centre of gravity closer to the tractor when the power harrow is used in combin...

Page 31: ...chine attachment yokes Position ball joints of tractor lower links in line with holes of machine lower yokes Insert lower hitch pins and secure them with lynch pins Check that the 2 lower links have b...

Page 32: ...en the tractor is fitted with a standard 3 point attachment category 2 use category 2 upper hitch pins Part no 52596900 Factory supplied When the tractor is fitted with a standard 3 point attachment c...

Page 33: ...e 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 As a...

Page 34: ...h does not disengage the adjustment is too heavy See section Cam type cut out clutch adjustment The cam type cut out clutch is based on the principle of disengaging cams that release when an overload...

Page 35: ...s seat Fully remove clamp cone Remove cam type cut out clutch from input shaft If a foreign object gets caught in the machine Before carrying out any maintenance or repairs on the machine switch off t...

Page 36: ...que 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 Remove c...

Page 37: ...ion L Using a vernier caliper Note measure L in the box only when removing clutch for the first time The measure L is generally comprised between 51 7 and 52 5 mm 2 03 2 06 Adjust measure L to the req...

Page 38: ...t out clutch onto its shaft PTO output on gearbox The gearbox is factory fitted with a rear PTO output that rotates in the same direction and at the same speed as the tractor PTO The rear PTO enables...

Page 39: ...he 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 so...

Page 40: ...o service Rotor speed adjustment HR303D The rotor speed can be adjusted by inverting the standard gearwheels or by using optional gearwheel sets Select required rotor speed in 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: ...d adjustment HR303M The rotor speed can be adjusted by Changing speed using the selector lever Inverting the standard gearwheels By using the optional gearwheel set Select required rotor speed in the...

Page 43: ...Gear 1 engaged Position b Gear 2 engaged Reduce top link length to slightly tilt the machine forward Remove screws 1 and gearbox cover 2 Position gearwheels according to the required speed Clean and r...

Page 44: ...hen nut Torque 8 daN m 59 lbf ft Make sure the plates are well centred with regards to the stud rows The oblong holes in the scraper plate supports enable crosswise adjustement if necessary Torque 10...

Page 45: ...craper plate must protrude the metallic scraper plates by approximately 10 mm 0 4 The nylon plate is reversible for longer service life Side deflector anti ridging plate adjustment The deflector anti...

Page 46: ...sition b Enables reducing the machine overhang For machines fitted with the following rollers Maxicrumbler roller Packer PK2 roller Maxipacker roller Packliner roller The roller is mounted in position...

Page 47: ...emove roll pins 1 1 on each machine side Remove pins 2 1 on each machine side Position roller in holes corresponding to the required assembly Reinstall pins 2 1 on each machine side Insert roll pins 1...

Page 48: ...s 2 can be removed With removable rods in place a For use in dry conditions gives fine crumbling and levelling as well as good packing With removable rods removed b Recommended for use in wetter condi...

Page 49: ...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 they...

Page 50: ...osition 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 engag...

Page 51: ...chine is in working position 2 Adjustments in working position Working depth The roller ensures working depth adjustment and control Fit the adjustment pin 2 in one of the adjusting plate holes 1 to a...

Page 52: ...arrows 50 HR303D M Instructions for work Side deflectors anti ridging plates Adjust side deflector anti ridging plates according to the working depth See section Side deflector anti ridging plate adju...

Page 53: ...er Only work in straight lines Lift the machine to turn Use of the power harrow entails limits which must be respected in all situations and that are often tied in with Weather conditions Avoid workin...

Page 54: ...the encountered working conditions The clod size depends on The rotor speed The forward speed The working depth the use of levelling bars Optional equipment The Crumbler roller being fitted or not wit...

Page 55: ...harrows HR303D M 53 OPTIONAL EQUIPMENT 1 Sets of gearwheels With this equipment additional rotor speeds may be obtained HR303D Kit no 1237930 Set of 24 and 32 teeth gearwheels Kit no 1239130 Set of 21...

Page 56: ...Power harrows 54 HR303D M Optional equipment HR303M Kit no 1237420 Set of 19 and 26 teeth gearwheels...

Page 57: ...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 stabilis...

Page 58: ...tion 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 de...

Page 59: ...ving 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 rep...

Page 60: ...inkage 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 additio...

Page 61: ...n 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 bolts...

Page 62: ...ween 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 R...

Page 63: ...e 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 hydraulic...

Page 64: ...is 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 safe...

Page 65: ...ving 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 rep...

Page 66: ...ks 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 Ti...

Page 67: ...ulic valve lever 3 in the off position and position chain 1 in holder 2 in order to loosen tension on chain Machine use By fitting the hydraulic attachment stroke limiter chain the additional machine...

Page 68: ...raulic 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 lynch...

Page 69: ...ounted centred with regards 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...

Page 70: ...aks Part no 80131051 Nut Part no 80201030 With spring overload mechanism The track eradicator automatically regains its position after having cleared the obstacle Each track eradicator share is revers...

Page 71: ...ing 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 front direction of tr...

Page 72: ...alling lights to comply with the road regulations Kit no 1238170 Kit no 1238950 Signalling equipment specific to Italy 9 Front semi automatic linkage Kit no 1237950 Category 2 linkage Kit no 1237960 C...

Page 73: ...286369 This equipment enables integrating a VENTA LC seed drill to the machine 11 Adaptation parts for VENTA AL and VENTA TI This equipment enables integrating a VENTA AL or VENTA TI to the machine Ki...

Page 74: ...RA This equipment enables integrating a INTEGRA seed drill to the machine Kit no 1616350 Floating adaptation guided by the roller Packer PK2 roller and Maxipacker roller Kit no 1616363 Floating adapta...

Page 75: ...r 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 brak...

Page 76: ...3 Pivot scraper bar using lever Clean and reassemble the unit Tightening torque 1 22 daN m 162 lbf ft Maxipacker roller b Unscrew the 6 nuts 1 Remove the 2 tensioning devices 2 Slide lever in sleeves...

Page 77: ...e 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 The 2 half PTO shafts are separated Transmission tube The t...

Page 78: ...Power harrows 76 HR303D M Maintenance and storage Trough The trough is lubricated for life with 23 kg 50 7 lb of grade NLGI 0 extreme pressure SHELL ALVANIA WR0 semi fluid grease...

Page 79: ...he filler plug 1 Clean and reinstall filler plug 1 and its washer Replace if necessary Checking the oil level Place the machine on flat horizontal ground Remove level plug 2 The oil level must reach h...

Page 80: ...ller plug 1 Clean and reinstall filler plug 1 and its washer Replace if necessary Checking the oil level Place the machine on flat horizontal ground Remove level plug 2 The oil level must reach hole l...

Page 81: ...k 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 drive...

Page 82: ...the degree of wear L reaches 150 mm 6 When there is visible warping Immediately replace worn or damaged parts with genuine KUHN parts Using blades that are excessively worn can cause premature damage...

Page 83: ...sing 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 disengage...

Page 84: ...ach rotor Fixing elements Check the condition of 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 2 St...

Page 85: ...wer harrows HR303D M 83 Oil seal replacement Blade holder position Before removing the blade holder mark initial direction to enable reinstalling it in the original position Never remove several blade...

Page 86: ...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 bla...

Page 87: ...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 when to...

Page 88: ...r damaged scraper plates Touch up paint if necessary Put the machine under cover in a dry place Remove and service the PTO shaft Follow the instructions in the PTO shaft s operator s manual At the sta...

Page 89: ...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 plant...

Page 90: ...r 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 Scra...

Page 91: ...Limited warranty Power harrows HR303D M 89 LIMITED WARRANTY...

Page 92: ...Power harrows 90 HR303D M Limited warranty...

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