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Summary of Contents for LEMKEN Juwel 8
- Page 1 Operating Instructions Mounted Reversible Ploughs Juwel 8 / 8 V - en - Item no. 175_4738 03/04.16 LEMKEN GmbH & Co. KG Weseler Straße 5, 46519 Alpen / Germany Telephone +49 28 02 81 0, Fax +49 28 02 81 220...
- Page 3 However, this brief instruction is not a substitute for thorough study of the operating instructions. These operating instructions will help to familiarise you with the LEMKEN GmbH & Co. KG device and the options available for using it.
- Page 4 Remember that you should only use genuine LEMKEN spare parts. Reproduction parts have a negative influence on the function of the device, have a shorter ser- vice life and present risks and hazards that cannot be estimated by LEMKEN GmbH & Co. KG. They also increase the maintenance costs.
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Page 5: Table Of Contents
CONTENTS General information ....................9 Liability ........................... 9 Guarantee ........................9 Copyright ........................10 Optional accessories ....................10 Symbols used in the Operating Instructions ............11 Hazard classes ......................11 ... - Page 6 3.8.4 Check before departure ..................... 26 3.8.5 Correct behaviour in road traffic ................27 Obligation of the operator ..................27 3.10 Safe use of the implement ..................28 3.10.1 General........................28 ...
- Page 7 7.1.2 With uniwheel ......................40 7.1.3 With depth control wheel ................... 41 Upper control link length .................... 41 Support wheel or depth and transport wheel ............42 Skimmer ........................42 ...
- Page 8 11.4.3 Front furrow width, mechanical, in conjunction with hydraulic frame swivelling ..56 11.4.4 Front furrow width, hydraulic .................. 58 11.5 Tractor/plough pull line....................59 11.6 Working depth ......................59 11.7 Hydraulic frame swivelling ..................60 ...
- Page 9 11.17.3 Moving the hydraulic Uni wheel from the transport position to the working position77 11.17.4 Moving the hydraulically dampened Uni wheel from the working position to the transport position ........................78 11.17.5 Moving the hydraulically dampened Uni wheel from the transport position to the ...
- Page 10 15.3.1 After the initial start-up (at the latest after 2 hours) ..........100 15.3.2 Daily inspection ....................100 15.3.3 Weekly inspection ....................101 15.4 Tightening torques ....................101 15.4.1 General information ....................101 ...
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Page 11: General Information
Co. KG, in particular Section IX, shall apply. Liability. In line with the dimensions cited in these conditions the LEMKEN GmbH & Co. KG shall not be held liable for any personal or material damage, when such damage is caused by one or more of the following reasons: ... -
Page 12: Copyright
Infringements will result in a claim for damages. Optional accessories LEMKEN implements may be equipped with various accessories. The operating instructions below describe both series components and optional accessories. Please note: These accessories will vary depending on the type of equipment. -
Page 13: Symbols Used In The Operating Instructions
Symbols used in the Operating Instructions SYMBOLS USED IN THE OPERATING INSTRUCTIONS Hazard classes The following symbols are used in the Operating Instructions for particularly im- portant information: DANGER Denotes an imminent hazard with high risk, which will result in death or severe physical injury, if not avoided. -
Page 14: Indication Of Passages
Symbols used in the Operating Instructions Indication of passages The following symbols are used for particular passages in the operating instruc- tions: Indicates work steps Indicates enumerations... -
Page 15: Safety Measures And Precautions
Safety measures and precautions SAFETY MEASURES AND PRECAUTIONS General safety instructions for the operator are specified in the chapter entitled «Safety measures and precautions». At the start of some main chapters the safety instructions, which refer to all work to be carried out in this chapter, are listed to- gether. -
Page 16: Safety Features Of The Device
Safety measures and precautions Safety features of the device To protect the operator and the device, the device is equipped with special safety features in accordance with country specific requirements. Always keep all safety devices in working order. Safety and warning signs 3.4.1 General information The implement features all equipment which ensures safe operation. -
Page 17: Meaning Of Warning Signs
Safety measures and precautions 3.4.3 Meaning of warning signs Please familiarise yourself with the meaning of the warning signs. The following explanations provide detailed information. Please read and observe the operating in- structions and safety instructions before starting up the implement for the first time. Before carrying out maintenance or repair work, switch off the engine and remove key. -
Page 18: Meaning Of Other Symbols
Safety measures and precautions Keep well clear of the turning and swinging area of the implement. When the three-point power lift is activat- ed, stay outside of the lifting range of the three-point suspension. Hydraulic accumulator contains gas and oil under pressure. -
Page 19: Special Safety Instructions
Safety measures and precautions Special safety instructions Risk of injury due to non-observance of the currently valid occupational safety guidelines If the currently valid occupational safety guidelines are bypassed WARNING or safety equipment is rendered unusable when handling the de- vice, there is a risk of injury. - Page 20 Safety measures and precautions Risk of injury when freeing casualties When rescuing people trapped or injured by the device, there is a risk of additional serious injury to the casualty if the hydraulic con- nections were not connected according to their colour coding as described in the section entitled "Required hydraulic equipment".
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Page 21: Danger Areas During Implement Operation
Safety measures and precautions 3.5.1 Danger areas during implement operation Moving danger area The danger area around the implement moves with the implement during operation. The danger area includes the area extending across the entire width (a) of the implement in the direction of WARNING travel. -
Page 22: Hazard Caused By Mechanical Systems
Safety measures and precautions 3.6.1 Hazard caused by mechanical systems There is a risk of accidents due to crushing, cutting and striking body parts on abruptly moving machine parts, on moving machine parts caused by stored mechanical energy in elastic parts, such as springs, ... -
Page 23: Requirements Of The Tractor
Safety measures and precautions 3.8.2 Requirements of the tractor Ensure that the tractor with mounted device always reaches the stipulated brak- ing deceleration. Observe the permitted axle loads, gross weights and transportation dimensions, see also section entitled "Axle loads"! Observe the permitted power limit of the tractor! Risk of accidents due to inadequate steerability A tractor which is too small or which has inadequate front ballast... -
Page 24: Axle Loads
Safety measures and precautions 3.8.3 Axle loads Implements mounted to the front and rear three-point linkage must not result in the following being exceeded: permissible gross weight of tractor, permissible axle loads of tractor, the tractor's tyre load-carrying capacities. The tractor's front axle must always be loaded with at least 20 % of the tractor's curb weight. - Page 25 Safety measures and precautions Data from tractor operating instructions Take the following data from your tractor's operating instructions: Abbreviation Data Tractor kerb weight (kg) _______ kg Front axle load (kg) of empty tractor _______ kg Rear axle load (kg) of empty tractor _______ kg Data from implement operating instructions ...
- Page 26 Safety measures and precautions Data to be determined through remeasuring are Determine the following data through remeasuring: Abbreviation Data Distance (m) between centre of gravity for front _______ m mounting implement or front weight and centre of front axle Tractor wheelbase (m) _______ m Distance (m) between centre of rear axle and centre...
- Page 27 Safety measures and precautions Calculation of minimum ballasting value at front G for rear mounting V min implement x (c + d) – T x b + (0.2 x T x b) V min a + b Enter the calculated minimum ballasting value, as required at the front of the tractor, into the table.
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Page 28: Check Before Departure
Safety measures and precautions Calculation of actual rear axle load T H tat H tat V tat Enter the value for the calculated actual rear axle load and the permissible rear axle load as given in the tractor's operating instructions into the table. Tyre load-carrying capacity ... -
Page 29: Correct Behaviour In Road Traffic
Safety measures and precautions Before starting up and operating the implement, check the immediate vicinity around it. No-one must be standing in this area! Ensure that visibility is adequate. Observe permitted axle loads, total weights and transportation dimensions. 3.8.5 Correct behaviour in road traffic ... -
Page 30: Safe Use Of The Implement
Safety measures and precautions Do not alter, retrofit or modify the device, potentially impairing safety, without the approval of the manufacturer. The manufacturer is not liable for any damage resulting from arbitrary modifications to the device! Operate the device only in compliance with all connection and default values provided by the manufacturer! ... -
Page 31: Personnel Selection And Qualifications
Safety measures and precautions Before operating the hydraulic equipment, ensure that nobody is standing in the danger area. There is a risk of crushing and shearing from power-operated components. Do not stand between the tractor and the implement. This is only permitted when the tractor is secured by the parking brake and wheel chocks to prevent it from rolling away. -
Page 32: Hydraulic System
Safety measures and precautions 3.10.3 Hydraulic system The hydraulic system is under high pressure. When connecting hydraulic cylinders and motors, ensure that the specified hy- draulic hose connection is used. When connecting the hydraulic hoses to the tractor hydraulics, make sure that the hydraulic system is depressurised on both the tractor and the implement. -
Page 33: Handing Over The Implement
Handing over the Implement HANDING OVER THE IMPLEMENT As soon as the implement is delivered, ensure that it corresponds with the order package. Also check the type and completeness of any supplied accessories. When the device is handed over, your dealer will explain how it works. ... -
Page 34: Layout And Description
The drawbar L3/Z3 complies with category 3. The drawbar L3/Z4 complies with category 4N. The top link pin complies with category 3 or 4. 5.2.2 Turnover device The ploughs in the Juwel 8 series have the electrohydraulic TurnControl G 120 turnover device. -
Page 35: Optiquick Adjustment System
5.2.4 Basic frame Ploughs in the Juwel 8 (8V) / Juwel 8M (8M V) series have a 140 x 140 x 10 mm square profile frame. The underframe clearance is 80 cm, optionally 85 cm. -
Page 36: Plough Body
Layout and description 5.2.6 Plough body DuraMaxx The mould boards (1) or slats (2) are at- tached to the body (4) with hooks (3). This means that they can changed without hav- ing to use tools. -
Page 37: Working Tools
Layout and description 5.2.7 Working tools The following working tools are available as accessories: Trash board (1) Skimmer (2) Coulter (3) -
Page 38: Disc Coulters
Layout and description 5.2.8 Disc coulters The large, beaded (1) disk coulter provides for a clean furrow. 5.2.9 Lighting system The lighting system contributes significantly to increasing the safety of the imple- ment in road traffic. -
Page 39: Preparations On Tractor
Preparations on tractor PREPARATIONS ON TRACTOR Tyres The air pressure must be identical, particularly on the rear tractor tyres. Under dif- ficult conditions, additional wheel weights should be used or the tyres topped up evenly with water. See operating instructions of the tractor manufacturer. Lifting rods The lifting rods should be adjusted so they are as short as possible and of equal length. -
Page 40: Hydraulic Equipment Required
Preparations on tractor Hydraulic equipment required The implement is supplied as standard with separate hydraulic couplings for each consumer. The protecting caps on the hydraulic couplings are coloured and the hydraulic couplings themselves are marked alphanumerically. The following spool valves must be available on the tractor in order to operate the individual hydraulic devices listed below: Load Double-acting... -
Page 41: Installing The Button
Preparations on tractor Installing the button CAUTION The button must not be mounted together with a magnet or in the vicinity of a magnet. A magnet has a negative effect on the functioning of the button. Accidental switching may result. ... -
Page 42: Preparing The Implement
Preparing the implement PREPARING THE IMPLEMENT Before using the implement for the first time, set it up as described below while you are still in the yard and familiarise yourself with the implement and its functions. The settings are adjusted with the implement mounted to the trac- tor. -
Page 43: With Depth Control Wheel
Preparing the implement 7.1.3 With depth control wheel To prevent damage, the implement must always be raised before the lighting equipment is installed or removed. On the tractor, remove the plug for the lighting equipment (1). Roll up the cable (2) towards the rear. ... -
Page 44: Support Wheel Or Depth And Transport Wheel
Preparing the implement Support wheel or depth and transport wheel Adjust the support wheel or depth and transport wheel as required for the in- tended working depth. Swivel the support wheel to the stop. Measure the vertical distance between the lower edge of the wheel and the share level. -
Page 45: Three-Point Connection
Preparing the implement Three-point connection Loss of the implement The category of the tractor’s three-point linkage and the category WARNING of the cross shaft and top link pin must correspond. Otherwise the cross shaft and top link pin may slip out of the linkage as a result of vibration or when travelling on uneven ground. -
Page 46: Attaching The Implement
Attaching the implement ATTACHING THE IMPLEMENT Specific safety information Risk of injury from the parked implement Never enter the danger zone between the tractor and imple- ment. WARNING Read and observe the "Safety measures and precautions" sec- tion and the special safety instructions "Risk of injury from the parked implement". - Page 47 Attaching the implement Connect the top link. The top link must slope upwards towards the plough during ploughing. Secure the top link pin (6). Only use the top link bolt (6) supplied with the plough. In hilly terrain, always connect the top link of 6-furrow or 7-furrow ploughs to the slot so that the top link ideally lies at the front of the slot during ploughing.
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Page 48: Uncoupling The Implement
Uncoupling the implement UNCOUPLING THE IMPLEMENT General Risk of injury from the parked implement Never enter the danger zone between the tractor and imple- ment. WARNING Read and observe the "Safety measures and precautions" sec- tion and the special safety instructions "Risk of injury from the parked implement". - Page 49 Uncoupling the implement Raise the plough. Pull out the locking bar (3) with a twisting motion. Pivot the stand (2) downwards. CAUTION Risk of injury when the stand pivots downwards Release the locks on the lower links. ...
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Page 50: Driving On Public Roads
Driving on public roads DRIVING ON PUBLIC ROADS 10.1 Laws and regulations All laws and regulations relating to transport on public roads must be observed. 10.2 Warning boards and lighting The implement must be fitted with warning boards and lighting if it is mounted on the tractor and transported on public roads. -
Page 51: Installing The Lighting Equipment
Driving on public roads 10.4 Installing the lighting equipment 10.4.1 With uniwheel Install the lighting carriers (1) on the last leg as shown. Insert the linch pins (2) on the left and right sides. Unroll the cable (3) towards the front. ... -
Page 52: With Depth Control Wheel
Driving on public roads 10.4.2 With depth control wheel To prevent damage, the implement must always be raised before the lighting equipment is installed or removed. Install the lighting equipment (1) as shown. Insert the linch pin (2). ... -
Page 53: Subsoilers
Driving on public roads 10.5 Subsoilers The subsoilers must be repositioned be- fore travelling on public roads. Release the locking bar (9) with a twist- ing motion. Pull the subsoiler (8) out. Insert the subsoiler (8) into the holder (10) from above. -
Page 54: Operation
Operation OPERATION 11.1 Specific safety information Read and observe the "Safety measures and precautions" sec- tion. CAUTION This implement should always be used, operated and repaired by persons who are familiar with it and aware of the risks. ... -
Page 55: Turning The Plough Frame
Operation 11.2 Turning the plough frame Refer to the Safety measures and precautions, see page 13. DANGER Before each rotation, ensure that there are no persons in the turning and swivelling area of the plough. Only operate the slewing gear from the tractor seat. ... -
Page 56: Angle
Operation 11.3 Angle 11.3.1 General information When ploughing, the base blade should be almost vertical to the ground as seen from the direction of travel. The correct angle is set when the ploughing pattern is uniform. If this is not the case, then the angular adjustment must be altered as described below. -
Page 57: Setting The Front Furrow Width
Operation The inclination is set separately for each side of the plough. The inclination setting may be different for the right-hand and left-hand sides of the plough. 11.4 Setting the front furrow width 11.4.1 General information The front furrow width must be set to correspond to the working width of the fol- lowing plough base with the Optiquick setting system. -
Page 58: Front Furrow Width, Mechanical, In Conjunction With Hydraulic Frame Swivelling
Operation 11.4.3 Front furrow width, mechanical, in conjunction with hydraulic frame swivelling In conjunction with hydraulic frame swivelling, the basic frame DANGER first swivels inward before the rotation and swivels out again af- ter the rotation. There is a crushing point between the hydraulic cylinder and the setting sleeve. - Page 59 Operation Tighten the clamping screw (2) again see «Tightening torques, page 101». Retract the hydraulic cylinder. Pressure is applied at connection T on the turnover ram.
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Page 60: Front Furrow Width, Hydraulic
Operation 11.4.4 Front furrow width, hydraulic A hydraulic cylinder (1) with built-in sensor is used instead of the outer spindle to hy- draulically adjust the front furrow width. The front furrow width must be set to correspond to the working width of the following plough base. -
Page 61: Tractor/Plough Pull Line
Operation 11.5 Tractor/plough pull line The tractor/plough pull line must be set us- ing the inner screw (2) so that there is no side pull. Tractor pulls towards the ploughed land: Turn the screw (2) to increase its length. ... -
Page 62: Hydraulic Frame Swivelling
Operation 11.7 Hydraulic frame swivelling WARNING Refer to the safety and protective measures"3.10.3, Hydraulic system", page 30. The frame swivelling cylinder (1) is con- nected to the control block in the head- stock by two hydraulic hoses. The plough frame can thus be automatically swivelled in and back out again dur- ing rotation without influencing the previously set front furrow width. -
Page 63: Duramaxx Plough Body
Operation 11.8 DuraMaxx plough body 11.8.1 Pitch angle The bodies are mounted at a medium pitch angle in relation to the ground. The eccen- tric washer (1) is in the middle position. To change the pitch angle: Loosen the nut (2). Medium pitch angle ... -
Page 64: Dural Plough Body
Operation 11.9 DURAL plough body 11.9.1 Contact angle The clearance between the share tips and the plough frame should be the same for all plough bodies. The dimension D should be approx. 1.5 cm. The necessary adjust- ment is made with the adjusting screw (1). ... -
Page 65: Tail Pieces
Operation 11.9.2 Tail Pieces The tail pieces (2) being positioned at the end of the mouldboards (1) should be ad- justed so that they help to turn the furrow slice. They should be adjusted uniformly. Set too deeply, they can cause soil to fall back into the furrow. -
Page 66: Working Width For Each Base
Operation 11.10 Working width for each base 11.10.1 Juwel V Once the basic plough settings have been made with the OPTIQUICK adjusting cen- tre, the working width for each base can be changed as required from the tractor seat using the working width adjusting cylinder (1). -
Page 67: Juwel
Operation 11.10.2 Juwel Undo the central screw (1) and the screw (3). Remove the adjusting screw (2). Rotate the base to the desired position. Fit the adjusting screw (2). Tighten the adjusting screw and the cen- tral screw securely. -
Page 68: Landside
Operation 11.11 Landside For better guidance on slopes, move land- side V1 (1) to a lower position (only possi- ble with DuraMaxx plough bodies.) Loosen the bolt Remove the bolt (2). Move the landside (2) to the lower posi- tion. -
Page 69: Skimmers
Operation 11.12 Skimmers 11.12.1 General information The skimmers should work at a depth of around 5 - 10 cm. If you want to plough at a depth of 25 cm, for example, the skim- mers should be adjusted so that the rele- vant share tip on the skimmer is at a dis- tance A of around 15-20 cm from the share tip on the plough base. -
Page 70: Working Depth
Operation 11.12.3 Working depth Risk of crushing CAUTION When setting the working depth, the skimmer may drop down when the pin (4) is removed. Hold on to the skimmer with one hand until you have secured it by inserting the pin. Adjusting the working depth does not change the projection angle setting. -
Page 71: Trashboard
Operation CAUTION Danger of collision with the rotary cylinder With the Juwel V with 100 cm longitudinal travel, the skimmer on the first body must not be set in the front position. 11.13 Trashboard 11.13.1 DuraMaxx Bolt the trashboard (1) with holder (2) onto the leg (3). -
Page 72: Sword Coulter
Operation 11.14 Sword coulter Remove the landside wedge (1) before retrofitting the sword coulter. Bolt the sword coulter (2) in place in front of the landside (3). Tighten all the bolts, see «Tightening torques, page 101». DuraMaxx 11.15 Disc coulters 11.15.1... -
Page 73: Working Depth
Operation 11.15.2 Working depth The working depth of the disc coulter is set as follows: Loosen the bolt (2). Move the coulter arm (3) as necessary. Rigid disc coulter Ensure that the teeth (5) on the coulter arm (3) and the adjacent swivel bear- ing (4) are meshing per- fectly... -
Page 74: Lateral Distance
Operation 11.15.3 Lateral distance The lateral distance from the coulter disc (6) to the shin is set by: Swivelling the coulter stalk (7) Moving the pivot in the slot (11). Loosen the relevant bolts / nuts (1) or (8). -
Page 75: Swivel Action Limiter
Operation 11.15.4 Swivel action limiter The lateral swivel area of the disc coulter is set with the bolt (9). Loosen the bolt (9). Move the stop (10) into the position re- quired. Tighten the bolt (9), see «Tightening tor- ques, page 101». -
Page 76: Depth Control Wheel And Depth And Transport Wheel
Operation 11.17 Depth Control Wheel and Depth and Transport Wheel 11.17.1 General Instructions The plough is available with depth control wheel (1) or depth and transport wheel. The depth and transport wheel is required when the front axle - especially for transport - is unloaded too much and so the steerability of the tractor is no more ensured. - Page 77 Operation Turn the plough into the right-hand work- ing position. Remove the pin (1). Detach the hydraulic ram (2) from the wheel stalk (3). Swivel the hydraulic ram (2) to the stop (4). Raise the plough using the tractor’s hy- draulic system.
- Page 78 Operation Swivel the locking pin (6) on the front of the turnover device through 180°. Important: Always carry out the steps in the order specified. Raise the plough. Set the plough to the smallest working width (V version). ...
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Page 79: Moving The Hydraulic Uni Wheel From The Transport Position To The Working Position77
Operation 11.17.3 Moving the hydraulic Uni wheel from the transport position to the working position Connect the top link to the headstock. Secure the top link with the top link pin (9). Raise the plough. Swivel the locking pin (6) through 180° to remove it. -
Page 80: Moving The Hydraulically Dampened Uni Wheel From The Working Position To The Transport Position
Operation 11.17.4 Moving the hydraulically dampened Uni wheel from the working position to the transport position Read and follow «Safety measures and precautions, page 13» and «Hazard caused by hydraulic systems, page 20». CAUTION There are crushing and shearing points in the area around the wheel stops ... - Page 81 Operation Swivel the locking pin (6) on the front of the turnover device through 180°. Important: Always carry out the steps in the order specified. Never change the working width while the plough is in a turning position.
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Page 82: Moving The Hydraulically Dampened Uni Wheel From The Transport Position To The Working Position
Operation 11.17.5 Moving the hydraulically dampened Uni wheel from the transport position to the working position Connect the top link to the headstock. Secure the top link with the top link pin (9). Raise the plough. Swivel the locking pin (6) through 180° to remove it. -
Page 83: Working Depth Adjustment
Operation 11.17.6 Working depth adjustment Pendulum wheel Remove the socket pin (2). Move the depth adjustment wheel (1) by the same amount on both sides. Move the depth adjustment wheel (1) towards the wheel axle (downwards) => increases the working depth ... - Page 84 Operation Depth adjustment table Depth adjustment Ratchet position cm (total) to set depth Difference from pre- position (1) vious position, cm 11.2...
- Page 85 Operation Depth adjustment Ratchet position cm (total) to set depth Difference from pre- position (1) vious position, cm 12.7 15.3 18.3 19.7 21.5 24.5 26.4 27.9 29.5 31.6 33.1 34.8 36.9 38.5 40.2...
- Page 86 Operation Uni wheel hydraulically dampened Remove the linch pin (3). Remove the pin (2). Fix the stop (1) in the required position using the pin (2). If finer adjustment is required, the position of the stop (1) can be changed. ...
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Page 87: On-Land Version (Of)
Operation 11.18 On-land version (OF) DANGER Always comply with the safety and protective measures, see page 13. 11.18.1 General The implements are also available as on- land versions. In this version, the imple- ment can be used as follows: ... -
Page 88: Converting From F Operation To O Operation
Operation 11.18.2 Converting from F operation to O operation Retract the inner hydraulic ram (2). F operation Press the blue button (5) to set the land- sides ( ) at a right angle (90°) to the ground. See «Angle , page 54». -
Page 89: Converting From O Operation To F Operation
Operation 11.18.3 Converting from O operation to F operation Extend the inner hydraulic ram (2). O operation Press the blue button (5) to set the land- sides (4) at a right angle (90°) to the ground. See «Angle , page 54». The plough frame is swivelled in and out again during the turning process. -
Page 90: Adjustment Centre
Operation 11.18.4 Adjustment centre F operation Front furrow width Front furrow too wide Retract the hydraulic ram (2). Front furrow too narrow Extend the hydraulic ram (2). Side pull correction / tractor/plough pull line adjustment Adjust the tractor/plough pull line using the outer hydraulic ram (3) so that there is no side pull. - Page 91 Operation O operation Distance between the tractor and the furrow edge Set the distance between the tractor and the furrow edge using the inner hydraulic ram (2). Distance too short => Retract the hydraulic ram (2). Distance too long => Extend the hydraulic ram (2). Side pull correction / tractor/plough pull line adjustment Set the tractor/plough pull line using the...
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Page 92: Overload Protection
Carefully tighten the shear bolt (1) and the bolt (3). See «Tightening torques, page 101» Shear bolt Type of plough Dimension Juwel 8 M 14X75 LS 56X15 - 8.8 Juwel 8 V Juwel 8 T M 14X70 LS 51X15 - 10.9 Juwel 8 VT... -
Page 93: Hydromatic Hydraulic Overload Protection
Overload protection 12.2 Hydromatic hydraulic overload protection Read and follow the “Safety and protection measures” section, and the specific safety information “Hazards associated with hydraulic systems”. Do not stand within the trip range of the plough bodies while the plough is operating. -
Page 94: Setting The Release Force
Overload protection 12.2.2 Setting the release force Different operating pressures can be set using the hydraulic overload safety de- vice: Low operating pressure for light and shallow soil conditions High operating pressure for heavy soil conditions The operating pressure must be at least 125 bar. Standard version The standard version has a shut-off valve below the pressure gauge. - Page 95 Overload protection Once the adjusting valve unit has been connected to a tractor spool valve, the sys- tem is ready for operation with the factory- set maximum and minimum operating pressure. These operating pressures can be adjusted to meet individual require- ments using the rotary knobs (2 and 3).
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Page 96: Operation
Overload protection 12.2.3 Operation To protect the hydraulic system, plough and tractor, you should always work with the lowest possible operating pressure. The maximum operating pressure is set by applying pressure to connection A on the valve adjustment unit for a few seconds. The minimum operating pressure is set by applying pressure to connection B on the valve adjustment unit for a few seconds. -
Page 97: Attachment Arm
Attachment arm ATTACHMENT ARM BEWARE Read and follow the “Safety and protection measures”, page 13. The attachment arm pivots into the catch position as a result of spring tension. Ensure that you maintain an adequate safety distance. Push the attachment arm (1) at the front of the plough frame into the recess (2). -
Page 98: Put The Implement Out Of Operation
Put the implement out of operation PUT THE IMPLEMENT OUT OF OPERATION 14.1 Shutting down the implement in an emergency In an emergency shut down the implement via the tractor. Switch the tractor engine off. Remove the ignition key. Damage caused by improper storage of the implement If incorrectly or improperly stored, the implement may be dam- CAUTION... -
Page 99: Maintenance And Repairs
Maintenance and repairs MAINTENANCE AND REPAIRS 15.1 Special safety instructions 15.1.1 General Risk of injury when carrying out maintenance and repair work There is always the risk of injury when carrying out maintenance and repair work. WARNING Use suitable tools, suitable climbing aids, platforms and support elements. -
Page 100: Immobilise The Implement For Maintenance And Repairs
Maintenance and repairs 15.1.3 Immobilise the implement for maintenance and repairs Risk of accidents when tractor starts up Injuries may occur if the tractor starts moving during maintenance and repair work. Switch off the tractor engine before carrying out any work on the WARNING implement. -
Page 101: Protective Equipment
Maintenance and repairs 15.1.6 Protective equipment CAUTION Risk of accident due to working without protective equipment There is always an increased risk of accidents when carrying out maintenance work and repairs. Always wear appropriate protective equipment. 15.1.7 Utilised tool Risk of accident due to use of unsuitable tool WARNING If working with an unsuitable or defective tool, there is a risk of ac-... -
Page 102: Environmental Protection
The hydraulic hoses must be replaced at the latest 6 years after the date of manufacture. Use hydraulic ho- ses authorised by LEMKEN only. Safety equipment Check that the safety equipment functions properly. -
Page 103: Weekly Inspection
Maintenance and repairs 15.3.3 Weekly inspection Check What to do? Wheel nuts Check that all wheel nuts are tight and, if re- quired, retighten the wheel nuts to the appro- priate torque. Screw connections Retighten all other bolts and nuts on the device to the appropriate torque. -
Page 104: Bolts And Nuts Made Of Steel
Maintenance and repairs 15.4.2 Bolts and nuts made of steel Strength category Diameter 10.9 12.9 [Nm*] [Nm*] [Nm*] 13,6 16,3 23,4 32,9 39,6 M 10 46,2 64,8 77,8 M 12 80,0 M 14 M 16 M 20 M 24 1112 M 30 1314 1850... -
Page 105: Air Pressure Of The Tyres
Maintenance and repairs 15.5 Air pressure of the tyres Danger due to incorrect air pressure WARNING If the air pressure in the tyres is too high, the tyres may burst and if the air pressure is too low, the tyres may become overstressed. As a result, the stable trailing of the implement may be negatively influenced. -
Page 106: Check The Connections To The Tractor
Maintenance and repairs 15.6 Check the connections to the tractor 15.6.1 Hydraulic connections Risk of accidents due to escaping hydraulic fluid Hydraulic fluid which is ejected under high pressure (hydraulic oil) WARNING can penetrate the skin and cause serious injuries. In the event of injuries, consult a doctor immediately. -
Page 107: Lubrication Chart
Maintenance and repairs 15.6.3 Lubrication chart Before and after long periods of operation Winter break Slewing gear bearings and cylinder adapters Optiquick adjustment centre Turn buckles Support and depth and transport wheel swivel axes Support and depth and transport wheel bear- ings Swivel brackets and control rod... -
Page 108: Troubleshooting
Troubleshooting TROUBLESHOOTING 16.1 Hydraulic equipment – TurnControl Fault Cause Remedy Plough does not start to turn. Power supply disconnected. Restore the power supply. The front furrow width chang- Replace the piston seal. The piston seal on the frame es while working. -
Page 109: Plough Intake And Depth Control, Slippage
Troubleshooting 16.3 Plough intake and depth control, slippage Fault Cause Remedy Plough does not remain in the Intake force too low. Pull in the base = Reduce ground. the distance between the share tip and the plough frame (not more than 2 cm). ... -
Page 110: Transport On Public Roads
Transport on Public Roads TRANSPORT ON PUBLIC ROADS 17.1 Laws and regulations All laws and regulations with regard to transport on public roads must be adhered 17.2 Warning Boards and Lighting Equipment If it is required to drive on public roads with the plough fitted to the tractor, fit warn- ing boards and lighting equipment. -
Page 111: Technical Data
Permitted output range Designation Number of furrows Tractor output Juwel 8 V 66-88 90-120 Juwel 8 V 81-118 110-160 Juwel 8 Juwel 8 / 8 V 96-147 130-200 Juwel 8 / 8 V 103-176 140-240 Juwel 8 / 8 V 118-221 160-300... -
Page 112: Weight
1.810 2.105 Juwel 8 T 1.172 1.463 1.442 1.733 1.708 1.999 1.974 2.269 Juwel 8 V 1.364 1.723 1.698 2.057 2.028 2.387 Juwel 8 V T 1.293 1.528 1.513 1.748 1.734 1.969 Juwel 8 1.549 1.848 1.833 2.132 Juwel 8 T 1.187 1.482 1.461... - Page 113 Technical data Layout of the type plate Illustration: Example of a type plate Illustration: Example of a type plate, France only 1 Series 2 Type designation 3 Serial number 4 Year of manufacture 5 Permissible drawbar load [kg] 6 Permissible axle load [kg] 7 Permissible gross weight [kg] 8 Company logo and address 9 CE marking...
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Page 114: Index
Index INDEX Adjustment centre ....................88 Air pressure ......................103 Angular adjustment ................... 54, 86, 87 Attachment arm ....................95 Axle loads ......................22 Beleuchtung ......................48 Contact angle ....................... 62 Depth adjustment table ..................82 Depth and Transport Wheel.................. 74 Depth control wheel .................. - Page 115 Index On-land ......................... 85 Output range ....................... 109 Pitch angle ......................61 Plough body ......................34 Preparations on tractor ..................37 Projection angle setting ..................67 REPAIRS ......................97 Setting the front furrow width ................88 Side pull correction ....................88 Skimmer ......................
- Page 116 Index Working width ....................... 64...
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