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Summary of Contents for Taarup 7420
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7420 Operation manual Issue 09/2006 Date of printing 10.2006 Language Ex machine no.(PSN) DW001000 Serial number (PIN) 02DW01 Reference No. VGG0609DW(7)EN...
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Identification of the machine To support you as soon as possible your dealer requires several details of your machine. Please enter the information here. Designation 7420 Mounted options Dealer's address Manufacturer's Kverneland Group Geldrop BV address Nuenenseweg 165 5667 KP Geldrop...
Table of contents Table of contents Preface.............. 6 Placing into working position Target group of this operation manual Use at the field..........47 Symbols used Safety Safety instructions .......... 8 Checks before use For your safety Film wrap recommendations Safety decals at the machine Start position mode Who is allowed to operate the machine? Wrapping...
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Table of contents Bale counter Troubleshooting ..........88 Safety Electronic control system Applicutter Pre-stretcher Hydraulics Film Bale Disposal of the machine ....... 93 EC Declaration of conformity ....... 94 Index ............... 95...
Preface Preface Target group of This operation manual is meant for those concerned with the control, use and maintenance of the machine. It contains all data required for this operation a safe handling, use and maintenance of the machine. manual For your safety Before starting to adjust and use your machine, familiarise yourself with this operation manual.
Preface Symbols used In this operation manual the following symbols and terms are used: • A bullet stands at enumerations > A triangle stands at steps, which you must do → An arrow shows cross-references at other text passages [+] The plus sign shows that it involves optional equipment, which does not belong to the standard model.
Safety instructions Safety instructions For your safety This chapter contains all general safety instructions. Subject-specific safety instructions are located per chapter. Take care of the safety in- structions • because of your own safety • because of the safety of your fellow man •...
Safety instructions Safety decals at The installed warning and advisory signs give important hints for a safe operation; adhering to serves your own safety. Keep safety de- the machine cals and signs clean and legible at all times. Replace safety decals and signs that are missing or have become illegible.
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Safety instructions Meaning of the safety decals Read the operation manual carefully Read the operation manual carefully before taking the machine into operation. Read and obey the safety instructions. Use the transport lock Before road transport, the transport lock must be used to secure the loading arm.
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Safety instructions Pre-stretcher rotation 30 rpm The prescribed pre-stretcher rotation of maximum 30 rpm may not be exceeded. Use ear protection Use adequate ear protection during wrapping. Serious hearing injuries can occur. Never stay behind the machine while unloading Stay clear of the table area while unloading a bale. An outcoming, roll- ing bale has a heavy mass and a high speed.
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Safety instructions Use the table safety bar Prior to any maintenance, repair and adjustment work on the tipped ta- ble, place the table safety bar. A non-secured table can cause serious or deadly injuries. Stay clear of the applicutter rollers Stay clear of the applicutter rollers.
Safety instructions Who is allowed to Authorised people only The machine may only be used, maintained or repaired by authorised operate the ma- people who have been informed about the dangers when handling the chine? machine. Usually such persons have an agricultural or equal intensive educa- tion.
Safety instructions Hitching the ma- Increased danger of injury While hitching the machine onto the tractor an increased danger of in- chine jury occurs. Therefore: • prevent the tractor from rolling away, shut down the engine and re- move the ignition key •...
Safety instructions Road transport Pay attention to a road-safe condition When driving on the local roads, the machine must correspond to the current traffic prescriptions. To which e.g. belongs: • mounting of lighting, warning and protection installations • comply with the permittable transport dimensions and weights, maximum permittable axle loads, tyre carrying capacity, total weights and national speed limits •...
Safety instructions Working with the First use only after instruction The machine may at the first time of use only be brought into use by machine employees of the dealer, factory representatives or employees of the manufacturer. False use after bringing the machine into use without in- structions can cause damages to the machine or accidents.
Safety instructions Unhitching the ma- Increased danger of injury While unhitching the machine from the tractor an increased danger of chine injury occurs. Therefore: • prevent the tractor from rolling away, shut down the engine and re- move the ignition key •...
Safety instructions Care and mainte- Observe the care and maintenance intervals Observe the prescribed intervals and those stated in the operation nance manual for recurring checks and inspections. In case of negligence of the intervals damages to the machine or accidents can be caused. Use original parts only Lots of components have special properties which decides for the sta- bility and the function of the machine.
Safety instructions Careful when cleaning with compressed air cleaner The machine can partly be cleaned with compressed air. Clean elec- tric parts and the hydraulic valve block with low pressure only. Too high pressure can damage these parts. No aggressive wax additives When cleaning do not use aggressive wax additives.
Acquaintance with the machine This chapter contains general information about your machine and in- Acquaintance with the machine formation about: • characteristics • technical specifications Destination of the This machine is exclusively appropriate designed for film wrapping of round bales of ligneous plants, mainly grasses, taking into account all machine prescriptions, procedures, etcetera as stated herein and/or through decals or other signs on the machine.
Acquaintance with the machine Technical specifi- cations Dimensions / weight Weight Maximum weight (kg) 1,000 Length (m) Overall length 4.55 (L) Width (m) Overall width with loading arm folded up and right wheel in transport position 2.45 (W Overall width with loading arm folded up with both left and right wheel in transport position 2.18 (W Overall width with loading arm folded down 3.75 (W...
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Acquaintance with the machine Bale requirements Round bales Minimum diameter (cm) Maximum diameter (cm) Maximum weight (kg) 1.000 Maximum 150 cm...
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Acquaintance with the machine Optional equipment Film roll holder Road lighting set Film break kit Drop mat Bale turner Adapter for 500 mm film rolls Remote control Wheel chocks Wrap and bale counter Tractor requirements Tractor requirements Electronics 12 V (DC) coupling for control box (DIN 9680) 12 V (DC) coupling for road lighting (DIN ISO 1724) [+]...
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Acquaintance with the machine Machine require- ments Tyres standard 11.0/65-12 Maximum transport speed (km/h) Maximum satellite rpm Film requirements Film width (mm) Alternative film width (mm) Minimum film thickness (µm) Quality 3-layer blown film...
Delivery and preparation Delivery and preparation Safety Wear safety shoes During all work at the machine never bring your feet under the ma- chine and always wear safety shoes. Wearing safety shoes prevents or decreases the risk of serious injuries. Checking the de- Completely delivered The machine is delivered completely.
Hitching the machine Hitching the machine Safety Increased danger of injury • Prevent the tractor from rolling away • Never stay between the tractor and the machine during hitching In case of negligence serious or deadly injuries can occur. Use a proper tractor Make sure the tractor •...
Hitching the machine General Remove the tractor lower links Remove the lower links of the tractor to avoid them touching the draw- bar. During turning, the lower links of the tractor can touch the drawbar and the machine can tip over. Personal or machine damages can oc- cur.
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Hitching the machine Moving the drawbar Towing hook height (cm) Minimum Maximum > Secure the drawbar by placing it in a well suited hoist > Loosen the bolts and nuts Drawbar > Move the drawbar to the desired position The drawbar must always be fitted with 3 bolts and nuts per side. >...
Hitching the machine Installation cable Check correct lying of the cables Cables may not get stretched or get trapped. Take care of sufficient control free space. Torn or trapped cables can lead to unpredictable move- ments of the machine and can lead to serious damages and injuries. The cable control must be installed on a support or holder in the tractor cab.
Hitching the machine Installation con- Correct connection of the electronic control system Never connect the cable to the cigarette lighter because of interfer- trol box ence risk. Always connect the cable directly to the interference-free power source. Therefore check the functioning of the fuses on the power cables.
Hitching the machine Hydraulic connec- Hydraulic coupling only pressureless Only couple the hydraulic hoses to the tractor when both tractor and tions machine hydraulics are pressureless. Hydraulics under pressure can cause accidental movements of the machine. Avoid oil mixture When using the machine in combination with different tractors, im- proper oil mixture can take place.
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Hitching the machine Hydraulic block - The machine is standardly adjusted for tractors with an open centre hydraulic system. open centre No adjustment of the hydraulic block is necessary. Hydraulic block - When the tractor is provided with a closed centre hydraulic system, the hydraulic block must be adjusted accordingly.
Hitching the machine Hydraulic block - load The machine is standardly adjusted for tractors with an open centre hydraulic system. sensing No adjustment of the hydraulic block is necessary. The oil flow of the tractor must be adjusted to 26 l/min. Hydraulic hose >...
Preparation for use Preparation for use Safety Obey safety instructions Obey the safety instructions at the execution of all work. Ignoring the safety instructions can lead to serious or deadly injuries. Guarantee correct hydraulic coupling Check before using if all hydraulic couplings are coupled correct to the single and double acting valves.
Preparation for use Table roller adjust- To ensure good stability of the bale during wrapping, the table roller must be adjusted for small or large bales. ment Recommended position, depending on the bale diameter: Front position Rear position Bale size (m) Recommended position until 1.30 front over 1.30...
Preparation for use Support rollers To ensure a good stability of the bale during wrapping, the support roll- ers can be adjusted for small or large bales. Support rollers ad- The support roller must be adjusted so, that the bale is in the middle of the table.
Preparation for use Pre-stretcher Wear safety shoes During all work at the machine never bring your feet under the ma- chine and always wear safety shoes. Wearing safety shoes prevents or decreases the risk of serious injuries. The pre-stretcher must be adjusted so, that the centre of the film roll matches the centre of the bale.
Preparation for use Film installation Before installing the film: > switch off the tractor engine > remove the ignition key Stay clear of pre-stretcher rollers Stay clear of the pre-stretcher rollers. Hands can be squeezed be- tween the rollers. Personal injuries can occur. Choose a good quality of film in order to ensure troublefree functioning of the film wrap system.
Preparation for use Film overlap The film overloap is determined by the rotation speed of the table belts. The speed of the table belts can be varied by mounting a differ- Chain Chain tensioner ent sprocket. A 12-teeth sprocket is standard mounted. In case a pre-stretcher adapter for 500 mm film rolls [+] is mounted, an 18-teeth sprocket can be mounted.
Preparation for use Check at begin- The following items have to be checked before using the machine at the beginning of the season: ning of the season • Check the electric connections → Electrical connections control box, page 32 • Check the road lighting [+] →...
Road transport Road transport Safety Before road transport will take place, please read the following safety instructions. The compliance is prescribed and helps you to avoid ac- cidents. Close valves Before road transport close all valves. With open valves and false op- eration the lifting cylinder can be lowered.
Road transport Right wheel in trans- The right wheel must be in transport position. port position > Remove the locking pin > Remove the pin Locking pin Wrench > Place the wrench on the hexagon bolt > Use the wrench to turn the wheel into transport position >...
Preparation at the field Preparation at the field Safety Obey the safety instructions Obey the safety instructions at the execution of all work. Ignoring the safety information can lead to serious or deadly injuries. Secure tractor and machine • Switch off and secure the tractor •...
Preparation at the field Placing into work- The machine must be used in working position. To bring the machine into working position, the following steps are necessary: ing position • the right wheel must be in working position • the loading arm lock must be removed Right wheel in work- The right wheel must be in working position.
Use at the field Use at the field Safety Driving along at the machine prohibited It is never allowed that people or objects drive along at the machine. Driving along at the machine is perilous and prohibited. No persons in the turning area Take care of no people be in the turning and working area of the ma- chine.
Use at the field Film wrap recom- The number of table laps decides how many film layers the bale is wrapped with. It is recommended that a minimum 6 layers of film are mendations applied to the bale. It may be necessary to increase the number of lay- ers if the bale has hard and stemmy material.
Use at the field Start position The loading arm and the table must be put into start position before wrapping can get started. mode The start position is reached when: • the loading arm is in the middle position • the table is fully downwards and in the loading position >...
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Use at the field Electronic control The required number of film wraps must have been set → CYC, page 61 > Drive to the bale > Use the hydraulic valve to lift the bale using the loading arm onto the table >...
Wrap and bale counter Wrap and bale counter General If the machine is equipped with a cable control, the wrap and bale counter can be mounted. This counter controls and monitors the wrap- ping of the bale. Furthermore the buzzer sounds when the pre-set number of wraps has been reached.
Wrap and bale counter Parameter change The parameters can be changed upon desire. > Push to enter the desired display > Push until the desired digit flashes > Push to set the digit > Push to confirm...
Wrap and bale counter Parameter set- Via the parameter settings, the entire wrapping process is prescribed. tings The current number of table laps can be set. The pre-set number of table laps can be shown in the display. Number Recommended number →...
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Wrap and bale counter BAL + The total number of bales wrapped. Number 0 - 99999 The total number of bales wrapped can not be reset The stop position of the table can be set. Which gives the possibility to leave the lever until the pre-set number of film wraps is reached. Auto stop function must be set Setting 0.00 -1.99...
Electronic control system Electronic control system General The machine can be equipped with an electronic control system. This control system controls and monitors the wrapping and clearing out of the bale. Furthermore the system also provides error indicating func- tions. Control box The control box enables supervision of the total bale wrapping proce- dure from the tractor cab.
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Electronic control system Buttons Auto button • Selection of automatic mode Stop button • To stop, interrupt a procedure. Rotation of the table is interrupted. • Selection of manual mode Programme mode button • Programming functions • Counter reset To neutral position The loading arm is moved to its neutral position, in front of its sensor.
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Electronic control system Joystick Pushing up: • lowering the loading arm Pushing down: • raising the loading arm Pushing to the left: • parameter selection • table rotation at normal speed Pushing to the right: • parameter selection • table rotation at low speed Upper toggle switch Pushing up: •...
Electronic control system Control mode The electronic control system can be used in the following control modes: • manual mode • semi-automatic mode • automatic mode The set of parameters determines working in semi-automatic or auto- matic mode. Manual mode In manual mode, the wrapping cycle is controlled by the toggle switch- es and the joystick.
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Electronic control system Automatic mode In automatic mode, the entire wrapping cycle is automatic. > Push to select automatic mode > Push to start wrapping The machine starts in a programmed cycle. In case of a failure or correction during wrapping >...
Electronic control system Parameter change The parameters can be changed upon desire. > Push > Push joystick left or right to select the desired parameter > Push to change the parameter value > Push to return to automatic mode > Push to return to manual mode The value is stored.
Electronic control system Parameter set- Via the parameter settings, the entire wrapping process is prescribed. tings The number of table laps can be set. Number Recommended number 1 - 100 no recommendation The number of bales wrapped. Number 0 - 99999 The number of bales can be reset >...
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Electronic control system A. on / A. off A buzzer can be switched on or off for • a sound after the last sensor by-pass • when an error occurs Setting Buzzer • • • • A1:1 / A1:0 This setting is only valid in case your machine is equipped with the electronic control system.
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Electronic control system A3:1 / A3:0 The bale unloading can be included in the wrapping procedure. Setting Recommended setting • 1 = yes • 0 = no If ‘0’ is chosen, a new loading and wrapping cycle can be started >...
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Electronic control system Start of the flashing light before the automatic wrapping cycle starts. It is recommended to mount a flashing light when a remote control is mounted. Flashing light Setting Recommended setting • • • mounted sec and 1/10 sec •...
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Electronic control system The time the table turns at half speed before stopping, after the last sensor by-pass t6 has taken place. Setting Recommended setting sec and 1/10 sec 1.5 - 2.5 The time the table is standing still before turning at half speed to the bale unloading position, after the table has stopped.
Cleaning and caring Cleaning and caring Safety For all cleaning and caring activities applies: Do not penetrate bearings and hydraulic parts Be careful when cleaning with a high-pressure cleaner. Bearings, sealings and bolted joints are not waterproof. To avoid machine dam- ages never penetrate bearings, sealings and bolted joints with water.
Storing the machine Storing the machine Safety Obey the safety instructions Obey the safety instructions at the execution of all work. Ignoring the safety information can lead to serious or deadly injuries. Machine is no toy Store the machine in an area away from human activity. Never allow children to play on or around the stored machine.
Maintenance Maintenance Safety For all maintenance work applies: Take care of the safety instructions Definitely take care of the safety instructions during all work. In case of negligence of the safety instructions serious or deadly accidents can occur. Conditions for maintenance work Only carry out maintenance work if you do dispose of the necessary professional knowledge and of the suitable tools.
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Maintenance Protection measures Additives in oil and lubricants can have, under circumstances, harmful effects to health. Because an indication according to the danger order in contact with oil or is not necessary, therefore in principle please pay attention to: lubricants Avoid skin contact Avoid skin contact with these oil and lubricants.
Maintenance General This information is related to all maintenance work. At all maintenance work the machine must be secured in working position. In case the transport position is necessary for maintenance, you will find suitable tips to the maintenance work. Information of direc- Information of directions (left, right, front, rear, above, below) are to be seen in the direction of travel.
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Maintenance Maintenance inter- Before doing any maintenance, the following must be obtained: • vals Clean the machine before doing any repair work • Never work on the machine while it is running • The tractor engine must be switched off and the ignition key must be removed •...
Maintenance Attaching ele- ments Screwing bolts All bolts and nuts must be checked and screwed tighter: • tighter after the first 8 working hours • depending on the usage frequency of the machine • at least once per season Special torques Take care of the special torques for the following screwed joints: •...
Maintenance Tightening All screwed joints on this machine must be torqued in accordance with the values given in this table below unless indicated otherwise. torques On this machine, 8.8 is both standard and minimum quality used. If not indicated anyhow use this quality for determination of torque (in most cases the quality can be found on the head of the respective bolt).
Maintenance Pre-stretcher The pre-stretcher must be checked • after the first 50 working hours • after every 500 working hours Checking the pre- > Check that the bolts of the rollers gears are tightened correctly stretcher rollers > Check that the pre-stretcher rollers can be moved by hand easily >...
Maintenance Wheels/tyres Do not drive with worn-out or damaged tyres Exchange worn-out or damaged tyres immediately. Especially during road transport with such tyres an increased risk of accidents exists. Correct repairwork only Repairwork on wheels and tyres must only be carried out •...
Maintenance Hydraulics Take care at welding work Do not carry out welding work near to hydraulic hoses. Hydraulic oil can ignite very easily. Hydraulic device pressureless Before replacing the hydraulic hoses, the hydraulic device must be pressureless. When working at a hydraulic device which is under pres- sure, by unintentional movements at the machine or by squirting hy- draulic oil, accidents can occur.
Maintenance Table Drive chain tension The table roller drive chain is under the cover, at the side of the table. The chain should have a slight slack. Chain tensioner > Check the chain tension every week Correct the chain tension as follows: >...
Maintenance Applicutter Applicutter knife re- Wear safety gloves The applicutter knife is very sharp. Always wear safety gloves when placement handling the applicutter knife. Not wearing safety gloves can cause Bolts serious injuries. In case of a dull applicutter knife, it can be exchanged. >...
Maintenance Cutting time adjust- The length of the chain must be adjusted so that the film is cut when it is fully collected by the catch rod. ment > Remove the spring clip > Adjust the chain to the desired length >...
Maintenance Lubrication All grease nipples must be greased • after every cleaning with a high-pressure cleaner • every indicated working hours indication Motor gear > Clean the motor gear if necessary Motor gear > Grease the motor gear every 10 working hours Gear ring >...
Maintenance Table sprocket > Grease the grease nipple every 50 working hours Grease nipple Tipping frame hinges > Grease the grease nipples on both sides every 50 working hours Grease nipples Loading arm hinge > Grease the grease nipple every 15 working hours Grease nipple Loading arm cylinder >...
Maintenance Wheel hubs > Grease the grease nipple on both left and right wheel hub every 50 Grease nipple working hours Wheel arm right > Grease the grease nipple every 50 working hours Grease nipple Applicutter > Grease the pawl bar every 50 working hours Roller Pawl bar >...
Maintenance Pre-stretcher gears The pre-stretcher gears are situated under the cover. > Remove the knurled knobs Knurled knobs Cover > Open the cover > Oil the pre-stretcher gears every 50 working hours > Close the cover > Mount the knurled knobs...
Optional equipment Optional equipment General Where parts are to be changed, only use genuine original spare parts. When ordering, quote the machine identification numbers. Trained people only must carry out the use, maintenance and repair of the ma- chine. Consult your dealer for any additional advice. In addition, the warranty will be automatically annulled if the machine has been equipped with accessories or spare parts not authorised by the manufacturer.
Optional equipment Drawbar with dou- ble tongue Drawbar with double tongue High drawbar High drawbar Film roll holder This film roll holder offers the possibility to carry 3 additional film rolls. Film roll holder...
Optional equipment Wheel chock set Wheel chock set Bale turner To prevent wrapped bales from rolling away, the bale turner is used to place the wrapped bales on their flat side. Bale turner set Drop mat The drop mat is used to prevent punctures on the bale from stiff stub- ble when unloading the bale on the ground.
Troubleshooting Troubleshooting Safety Switch off engine Before any resolving of troubles: > switch off the engine and remove the ignition key Troubles can mostly be easily and quickly be remedied. Before you make an appeal to the service department, please check with help of the table, if you can remedy the trouble by yourself.
Troubleshooting Problem Cause Solution Page • Err 8 The magnet or the sensor for > Adjust the magnet/sensor the loading arm is defect or so, that the sensor is activat- wrongly positioned ed when the loading arm is in correct position •...
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Troubleshooting Problem Cause Solution Page • The film is not retained Too less pressure on the roll- > Check the distance, 4-5 mm > Check whether there is play between guide rollers A and catch rod L • The roller is dirty >...
Troubleshooting Pre-stretcher Problem Cause Solution Page Holes in the stretched film The pre-stretcher rollers are > Clean the pre-stretcher roll- dirty The film tears at the lower edge The pre-stretchers are set too > Increase the height of the pre-stretchers The film slips along the tilted The pre-stretchers are set too >...
Troubleshooting Film Problem Cause Solution Page The film slips along the tilted The film is too little or not tacky Change to a film with more surface of the bale tackiness Bale Problem Cause Solution Page Difficulties when bale loading Bad bale shape The bale shape, during baling, must be improved...
Disposal of the machine When the real life of the machine has finished, its separate parts must Disposal of the machine be properly disposed. Please observe the local current and valid waste disposal regulations. Metal parts All metal parts have to be delivered to a metal recycling company. The hydraulic oil must be disposed at a used-oil recycling company.
Nuenenseweg 165 5667 KP Geldrop The Netherlands declare under our sole responsibility that the product 7420 and accessories to which this declaration relates, conforms to the relevant basic safety Type plate and health requirements of EU Directive 98/37/EC. For the relevant implementation of the safety and health requirements...
Index Index Motor gear Pre-stretcher Acquaintance with the machine Safety Characteristics of the machine Table Description of the components Table lock adjustment Destination of the machine Tightening torques Technical specifications Wheel arm right Wheel hubs Wheels/tyres Bale counter General Parameter change Optional equipment Parameter settings Bale counter...
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Index Film wrap recommendations Safety Start position mode Wrapping Wrapping...
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