KUHN HRB353D Operator'S Manual Download

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Power harrows

HRB353D - 403D

Identification of the machine

4. Optional equipment

Tick box corresponding to the equipment fitted on your

machine:

HRB353D and HRB403D

Kit no. 1237420

: Set of gearwheels (19 and 26 teeth matching gears).

Kit no. 1237650

: Set of gearwheels (17 and 28 teeth matching gears).

Kit no. 1246020

: Standard linkage.

Kit no. 1246030

: Hydraulic lift linkage.

Kit no. 1246040

: Hydraulic lift linkage stroke limiters.

Kit no. 1239140

: High 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. 1286369

: Adaptation parts for VENTA LC.

Kit no. 1286269

: Floating adaptation parts for adaptation of VENTA AL and VENTA TI roller.

Kit no. 1286081

: Rigid adaptation parts for adaptation of VENTA AL and VENTA TI.

Kit no. 1616359

: Floating adaptation parts for INTEGRA roller (Packer PK2 roller and Maxipacker roller).

Kit no. 1616373

: Rigid adaptation parts for INTEGRA.

Summary of Contents for HRB353D

Page 1: ...KN103DGB B OPERATOR S MANUAL Power harrows HRB353D 403D KN103DGB B English 11 2009 ...

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 manufactured and carefully inspected in the same factory that builds the machine to assure high quality and accurate fitting of any necessary replacements About improvements We are continually striving to im...

Page 4: ...document 8 Safety instructions 9 Location and description of safety decals on the machine 16 Road safety equipment and recommendations 20 Machine specifications 21 Description and glossary 21 Technical specifications 22 Required equipment 23 Sound levels 26 Putting into service 27 Coupling and uncoupling 27 Instructions for transport 50 Putting the machine into transport position 50 Conformity wit...

Page 5: ... linkage 56 Hydraulic lift linkage stroke limiters 61 High capacity hydraulic lift linkage 62 Track eradicators 67 Front or rear levelling bar 69 Front semi automatic linkage 70 Adaptation parts for VENTA LC 71 Adaptation parts for VENTA AL and VENTA TI 71 Adaptation parts for INTEGRA HRB403D 72 Maintenance and storage 73 Cleaning the machine 74 Lubrication 76 Maintenance 79 Storage 83 Trouble sho...

Page 6: ...Power harrows 4 HRB353D 403D Identification of the machine Identification of the machine 1 Front view 2 Rear view ...

Page 7: ... harrows HRB353D 403D 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 HRB353D HRB403D Type HRB353D HRB403D Serial no ...

Page 8: ...lic lift linkage stroke limiters Kit no 1239140 High 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 1286369 Adaptation parts for VENTA LC Kit no 1286269 Floating adaptation parts for adaptation of VENTA AL and VENTA TI roller Kit no 1286081 Rigid adaptation parts for a...

Page 9: ... Front or rear levelling bar Kit no 1237310 Semi automatic front linkage category 2 Kit no 1237320 Semi automatic front linkage category 3 Kit no 1238850 Track eradicator mounting yokes Kit no 1238680 Front or rear levelling bar Kit no 1237950 Semi automatic front linkage category 2 Kit no 1237960 Semi automatic front linkage category 3 ...

Page 10: ...cates 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 result in machinery damage This symbol is used to communicate technical information of particular interest ...

Page 11: ...st 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 imperatively respect safety instructions in this manual and in the warnings posted on the machine The operator is also obliged to respect current legislation concerning accident prevention work safety...

Page 12: ...in 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 distribution trailed or mounted implements additional ballast and driving conditions It is therefore of great importance that the operator exercises caution in every given situation Groundspeed must be adapted...

Page 13: ...rcumstances be less than 20 of the tractor s unladen weight Transport position Before transporting the machine on public roads place the machine into its transport position according to the instructions in this manual Lights and indicators Before transporting the machine on public roads ensure that all legally required lightings and signallings are in place Ensure that lightings and signallings ar...

Page 14: ...re doing any work 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 free wheel these must be fitted on the machine side Ensure that the PTO shaft is always correctly fitted and locked into place Before connecting the PTO shaft ensure that the PTO spee...

Page 15: ...r pneumatic controls Keep away from these danger zones Safety decals Safety warning decals 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 decals clean and readable and replace them when they are worn damaged missing or illegible ...

Page 16: ...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 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 electrical circuit Also disconnect alternator a...

Page 17: ...ardware 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 persons and animals away from the danger zone Stay a safe distance from the machine when the cutting tools are in movement Never work in reverse After disengaging the PTO drive tools can continue rotati...

Page 18: ...Power harrows 16 HRB353D 403D Safety 3 Location and description of safety decals on the machine Location of safety decals HRB353D ...

Page 19: ...Safety Power harrows HRB353D 403D 17 HRB403D ...

Page 20: ...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 Projections 3 Stones and other debris projected by the moving parts can travel a long distance Always stay at a safe distance from the machine Rotary tools 4 Keep away from rotating elements and from th...

Page 21: ...Safety Power harrows HRB353D 403D 19 Do not step on the machine 5 Do not step on the machine Risk of falling or damaging the protection device ...

Page 22: ...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 1 If the machine is over the maximum legal size follow the local regulations for special transportation of oversize equipment When using a lengthways transport device follow the manufacturer s instruc...

Page 23: ...ne specifications Power harrows HRB353D 403D 21 Machine specifications 1 Description and glossary 0 1 Gearbox 2 Roller 3 Scraper bar 4 Side deflector 5 Blade 6 lower links 7 Blade holder 8 PTO shaft 9 Trough ...

Page 24: ...ades right left 12 12 14 12 Working width 3 50 m 11 6 4 00 m 13 1 Working depth from 20 to 200 mm 1 8 Overall width 3 68 m 12 1 4 11 m 13 6 Power requirement 59 kW 80 hp 66 kW 90 hp Maximum allowable DIN engine power 118 kW 160 hp Weight With Maxicrumbler roller With PK2 Packer roller With Maxipacker roller 1290 kg 2843 lb 1525 kg 3362 lb 1575 kg 3472 lb 1380 kg 3042 lb 1650 kg 3637 lb 1700 kg 374...

Page 25: ... 4600549 1 3 4 6 spline pto shaft or Part no 4600550 1 3 4 20 spline pto shaft or Part no 4600551 32 x 38 8 spline pto shaft Power harrow blades The machines are factory fitted with one of the following blades Part no K2500071 and Part no K2500081 Standard left and right blade or Part no K2502260 and Part no K2502270 Left and right DURAKUHN blade Available as spare parts Part no K2502060 and Part ...

Page 26: ... seedbed crumbling and clod break up To improve seedbed levelling The machines are factory fitted with one of the following rollers Maxicrumbler roller HRB353D Part no 1238630 HRB403D Part no 1209170 The Maxicrumbler roller is adapted to dry or slightly wet soils The roller is used as a protection device at the rear of the machine It must never be removed for work This equipment is not recommended...

Page 27: ...and sticky The roller is fitted with a scraper bar Scraper plates are located between the rows of studs to ensure roller cleaning or Maxipacker roller HRB353D Part no 1238430 HRB403D Part no 1238440 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 located between the rows of studs to ensure roller...

Page 28: ... 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 acoustic pressure level at the driver s seat closed cabin L A eq HRB353D HRB403D 77 7 dB A 76 7 dB A HRB353D HRB403D 77 1 dB A 80 8 dB A ...

Page 29: ...coupling elements HRB353D Category 3 linkage 2 step hitch pins diameter 28 mm 1 10 and 37 mm 1 45 for lower links A top link hitch pin diameter 32 mm 1 26 Category 3 A PTO shaft HRB403D Category 3 linkage 2 hitch pins diameter 37 mm 1 45 for the lower link arms A top link hitch pin diameter 32 mm 1 26 A PTO shaft ...

Page 30: ... also be used with tractors having a PTO speed of 540 min 1 or 750 min 1 The rotors are then driven at intermediate speeds The 540 min 1 PTO speed must be used occasionally and only for top soil work in light conditions or in conditions requiring tractor power lower than 73 kW 100hp The tractor must be fitted with lower link stabilizers The front axle load 1 must never under any circumstances be l...

Page 31: ...e machine HRB403D Categories of linkage The lower coupling yokes can be placed in 2 different positions Category 2 linkage a Position only to be used on exceptional occasions L 825 mm 2 8 Category 3 linkage b L 925 mm 3 03 This position must be used when the power harrow is used in combination with a seed drill The machine is supplied with lower coupling yokes fitted in position b ...

Page 32: ...ustment Remove screw 1 Remove pin 2 Position yoke 3 and spacer 4 in the required position Insert pin 2 Reinstall screw 1 Torque screw 1 to 6 daN m 44 lbf ft Proceed the same way on the other side Check that the 2 lower links have been adjusted identically ...

Page 33: ...rent 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 combination with an additional machine Forward position b Prevents interference risks with tractor wheels when fitting certain optional equipment The machine is supplied with lower coupling yokes fitted in position a ...

Page 34: ...djustment Remove screw 1 Remove pin 2 Fit lower coupling yoke 3 in the required position Insert pin 2 Reinstall screw 1 Torque screw 1 to 6 daN m 44 lbf ft Proceed the same way on the other side Check that the 2 lower links have been adjusted identically ...

Page 35: ...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 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 This position must be used when the power harrow is used in combination with a seed drill ...

Page 36: ... 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 attachment category 3 use category 3 upper hitch pins Part no 52597000 Factory supplied To obtain optimum PTO shaft angles and tractor lift capacity the top link must be parallel to the lower links or s...

Page 37: ...y 2 use category 2 lower hitch pins Part no 52592400 Available as spare parts When the tractor is fitted with a standard 3 point attachment category 3 use category 3 lower hitch pins Part no 52592500 Factory supplied 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 parts When the tractor is fitted with a st...

Page 38: ...Power harrows 36 HRB353D 403D Putting into service Insert hitch pin anti rotation arm 1 in the machine mounting yoke and secure with lock pin ...

Page 39: ...t 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 As a safety measure a clearance L of at least 10 mm 0 39 must be maintained If this is not the case Never operate the PTO shaft at an angle X exceeding 30 Make sure that the PTO shaft is correctly adju...

Page 40: ...tch 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 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 Engage the trac...

Page 41: ... its 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 the tractor engine remove ignition key wait until all moving parts have come to a standstill and apply park brake Remove foreign body Check that no working parts have been damaged Engage the tractor...

Page 42: ...ve 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 Remove cam type cut out clutch from input shaft Using a screwdriver Remove seal 1 Remove circlip 2 Remove the hub assembly Disengage cams 3 taking note of their position Remove spring cartridge 4 Regula...

Page 43: ... 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 51 7 and 52 5 mm 2 03 2 06 Adjust measure L to the required length By increasing the dimension L the release effort is reduced and vice versa ...

Page 44: ...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 direction and at the same speed as the tractor PTO The rear PTO enables driving a complementary tool When using the rear PTO output stub remove guard 1 and fit plastic safety guard 2 Part no 58707010 The rear P...

Page 45: ...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 so that the machine is horizontal with regards to the ground ...

Page 46: ...ng 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 Refer to the decal fitted on the machine ...

Page 47: ... 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 lbf ft Check O ring is correctly positioned within gearbox cover ...

Page 48: ...nut Torque nut to 8 daN m 59 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 with Packer PK2 roller Non coated plates Part no 52532130 Maxipacker roller Hard coated plates Part no 52593410 The Packer PK2 roller can be fitted with hard coated plates ...

Page 49: ...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 nylon plate between 2 metallic scraper plates Packer PK2 roller Part no 52532130 Maxipacker roller Part no 52598910 The nylon scraper plate must protrude the metallic scraper plates by approximately 10...

Page 50: ...o The working depth The blade wear Loosen screw 1 Remove screw 2 Place the defletor in the required position Position a corresponds to the lower deflector position Position b corresponds to the upper deflector position Reinstall and tighten screw 2 Tighten screw 1 The deflectors are factory fitted in the lower position a ...

Page 51: ...ling 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 must be raised before parking the machine When lifting this equipment use appropriate lift straps chains or any other equipment in perfect working order complying with safety standards in force fo...

Page 52: ...tion 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 the tractor PTO drive when the machine is in transport position Before driving the machine on public roads ensure that the machine complies with current highway code regulations During transport adapt ...

Page 53: ... 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 to adapt the working depth Before placing the machine in working position Check that nobody is within the machine pivoting area If there is someone make sure the person moves away Adjust both sides to...

Page 54: ...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 types Smooth clods indicate too malleable or too humid soil to be worked in Wait until ground is completely drained Soil concistency is ideal when clods crumble without sticking Tractor power Adapt work...

Page 55: ...Instructions for work Power harrows HRB353D 403D 53 Groundspeed Groundspeed must be adapted to the encountered working conditions ...

Page 56: ...3D 403D Optional equipment Optional equipment 1 Sets of gearwheels With this equipment additional rotor speeds may be obtained Kit no 1237420 Set of 19 and 26 teeth gearwheels Kit no 1237650 Set of 17 and 28 teeth gearwheels ...

Page 57: ...the 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 stabilisation chains 3 Height of the lower linkage arms Use chain tensioners 4 to adjust height of lower links Adjust both sides to the same setting The bent part of spacer 2 can be positioned upwards or d...

Page 58: ...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 decals Tractor hydraulic pressure Lifting capacities Overhang minimum Overhang maximum 150 bar 2175 psi 2100 daN 4629 lb 1600 daN 3527 lb 180 bar 2610 psi 2500 daN 5511 lb 2100 daN 4629 lb ...

Page 59: ... 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 ...

Page 60: ...1 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 additional machine Remove bolts 2 and nuts 1 Place hook 4 and spacers 3 in the required position Reinstall bolts 2 and nuts 1 Tightening torque 42 daN m 309 lbf ft Adjust both sides to the same setting ...

Page 61: ... 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 bolts 1 Tightening torque 1 25 daN m 184 lbf ft Torque screw 3 to 17 daN m 125 lbf ft ...

Page 62: ...between 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 clips Tighten chain Maintenance Every 100 hours Grease Pivot points When parking the power harrow additional machine unit make sure that the additional machine is lowered first ...

Page 63: ...t 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 hydraulic attachment stroke limiters the additional machine s lift height can be controlled By removing the stroke limiters the additional machine can be fully raised This equipment prevents damage to the PT...

Page 64: ... 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 safety decals Lift capacity of approximately 3300 daN 7275 lbf for a tractor pressure of 180 bar 2610 PSI ...

Page 65: ... 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 ...

Page 66: ...hooks 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 Tighten bolts 2 and 3 Tightening torque 42 daN m 309 lbf ft Adjust both sides to the same setting ...

Page 67: ...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 machine s lift height can be controlled when making headland turns By removing the hydraulic attachment stroke limiter chain the additional machine can be fully raised This device prevents damage to the PT...

Page 68: ...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 lynch pin 2 Maintenance Every 100 hours Grease Pivot points When parking the power harrow additional machine unit make sure that the additional machine is lowered first ...

Page 69: ...radicators must 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 track eradicator working depth using pin 2 Only use track eradicators for secondary tillage work 2 track eradicators with traction bolt overload mechanism Kit no 1216610 2 track eradicators ...

Page 70: ... 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 reversible for increased service life Replace it if necessary Torque 10 daN m 74 lbf ft Track eradicators with the spring overload mechanism are recommended for work in difficult or stony grounds ...

Page 71: ...k 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 front direction of travel The rear levelling bar is not recommended in wet and sticky soils and when there are a lot of stones The rear levelling bar increases the machine horsepower requirement Remove...

Page 72: ...ront semi automatic linkage HRB353D Kit no 1237310 HRB403D Kit no 1237950 Category 2 linkage HRB353D Kit no 1237320 HRB403D Kit no 1237960 Category 3 linkage This equipment is not recommended when the power harrow is used in combination with a seed drill ...

Page 73: ...o 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 Kit no 1286269 Floating adaptation guided by the roller Kit no 1286081 Rigid adaptation ...

Page 74: ...pment 11 Adaptation parts for INTEGRA HRB403D This equipment enables integrating a INTEGRA seed drill to the machine Kit no 1616369 Floating adaptation guided by the roller Packer PK2 roller and Maxipacker roller Kit no 1616373 Rigid adaptation ...

Page 75: ...r 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 brake After the first 10 hours of use Every 20 hours Every 100 hours Oil change Gearbox 3 3 Grease Roller bearing housings 3 ...

Page 76: ...sbar 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 ft Regularly check that there are no foreign objects wrapped around the blade holder twine wire crop residues To prevent premature bearing housing wear remove foreign bodies wrapped around them ...

Page 77: ...wer harrows HRB353D 403D 75 Maxipacker 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 Tightening torque 1 22 daN m 162 lbf ft ...

Page 78: ...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 Each time the 2 half PTO shafts are split Transmission tube The two grease nipples 2 Lubricate with SHELL multi purpose grease grade NLGI 2 To access the 2 grease nipples 2 to grease Slide the black collar During intensive use with tractors of maximum authori...

Page 79: ...nce and storage Power harrows HRB353D 403D 77 Trough The trough is lubricated for life with grade NLGI 0 SHELL ALVANIA WR0 semi fluid grease extreme pressure Quantity HRB353D 27 kg 59 5 lb HRB403D 31 kg 68 3 lb ...

Page 80: ...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 of level hole 2 Clean and reinstall drain plug 2 Before draining oil operate the machine for a few minutes so that the oil warms up The gearbox is lubricated with 5 L 1 32 US gal of SHELL SPIRAX A ex...

Page 81: ...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 drive turn off the engine remove ignition key and wait until all moving parts have come to a complete stop and apply park brake ...

Page 82: ...n 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 damage to holders rotors or troughs Regularly check that there are no foreign objects wrapped around the blade holder twine wire crop residues Remove them ...

Page 83: ...g 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 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 ...

Page 84: ... rotation Blade rotating to the left 2 Standard blade Part no K2500071 DURAKUHN blade Part no K2502260 Long blade special for potatoes Part no K2502060 Blade rotating to the right 1 Standard blade Part no K2500081 DURAKUHN blade Part no K2502270 Long blade special for potatoes Part no K2502070 ...

Page 85: ...placement 5 Storage At the end of each season Clean the machine with a garden hose Check and replace worn or damaged blades Check and replace worn 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 manual At the start of each season Re read the operators man...

Page 86: ...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 plant residues Excessive ground speed Reduce ground speed Rotor speed too low Increase speed by changing gearwheels in the gearbox optional gearwheel sets No levelling bar Install levelling bar preferabl...

Page 87: ... 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 lo...

Page 88: ...Power harrows 86 HRB353D 403D Limited warranty Limited warranty ...

Page 89: ...Limited warranty Power harrows HRB353D 403D 87 ...

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