background image

Operator’s manual

Bale processor

Model Taarup BIO+ B4000

with options

16655216_EN

Operator`s manual 

BIO+

 processor B4000 English,

issue 

07-06

, document version

 6

, programme version 

 

1.04

Summary of Contents for BIO+ B4000

Page 1: ...Operator s manual Bale processor Model Taarup BIO B4000 with options 16655216_EN Operator s manual BIO processor B4000 English issue 07 06 document version 6 programme version 1 04 ...

Page 2: ...2 Operator s manual BIO bale processor B4000 ...

Page 3: ...tion relates corresponds to the relevant basic safety and health requirements of Directive 98 37 EU Gottmadingen July 2006 Enter here the serial number of your machine CE certificate of conformity Kverneland Group manufacturers of farm machinery reserve the right to change designs and or specifications without notice This does not include an obligation to make changes to machines previously suppli...

Page 4: ...red Any guaranty claim should be applied for within the period of guarantee The dealer should fill in one guarantee claim form for each matter and forward it to the Kverneland sales company or importer before the 10th of the following month after the claim was raised The damaged parts should be marked with the number of the corresponding warranty claim and should be stored for 6 months by the deal...

Page 5: ...ding 31 4 7 Shear bolts on roller drive 33 4 8 Prestretcher positioning 33 4 9 Film cutter 33 4 10 Processing bales 35 4 11 Parking 44 4 12 Out of season storage 44 5 The computerised control system 45 5 0 Mode of operation sensors and valves 45 5 1 The command panel 45 5 2 Symbols 46 5 3 Display information regarding panel connection 50 5 4 Idle mode 50 5 5 User functions screen displays 51 5 6 P...

Page 6: ...here function finish after sales service and spare parts are always at hand All Taarup products are designed and tested in close co operation with farmers and contractors to ensure optimal function and reliability Please read this manual before using your new machine We wish you all the best with your Taarup product Yours faithfully Kverneland Group Introduction Kverneland Gottmadingen GmbH Co KG ...

Page 7: ...ure for this machine is given below This number is im portant with regard to service and the correct supply of spare parts This marking together with the enclosed CE certificate of conformity means that the machine complies with all substantial health and safety requirements and is in accordance with directive 98 37 EU Serial number Year of manufacture Serial number Machine identification ...

Page 8: ...ectric power supply 12V Pick up Working width 2100 mm Number of tine rows 5 Support wheels adjustable 12 positions Cutter unit Number of knives 14 Knife distance 70 mm Foreign body protection Spring on every blade Bale chamber Diameter 1250 mm Width 1220 mm Number of rollers 18 Roller diameter 190 mm Low friction plates Option Chamber lock Hooks Chain lubrication Automatic Roller bearing lubricati...

Page 9: ...9 2300 4500 2800 Dimensions Valid for machine with wheel size 500 50 17 All measures are in mm 1 25 4mm Dimensions ...

Page 10: ...ing chamber and pre stretcher ring during stretch film wrapping Computerised control of all hydraulic functions via solenoid valve bank Lighting equipment Options Road lights Low friction lining of roller chamber side panels Drop mat Bale turner Extra set of knives Knife grinding kit Hydraulic rotor engagement Film break sensor speed of bale rotation Kit for wrapping in sloping terrain Ask your De...

Page 11: ...d of 540 revs min At correct flow pre stretcher speed on a new machine should be max 50 revs min and max 50 53 revs min on a machine being used for some time corre sponding to oil flow of 35 litres min Too high ring speed may cause inaccuratepositioning of ring when approaching film cutting posi tion Too large oil flow may cause harmful oil heating g Select desired mode Manual or Auto h Start bali...

Page 12: ...tor s ears even in a Q cab In these conditions ear defenders must be worn Keep cab windows and doors clos ed to reduce noise level The machine must be connected to a correctly sized tractor The weight of the tractor must correspond to the maximum weight of the machine when operated Follow domestic law and regula tions Fig 4 Make sure that the tractor has the correct PTO gear engaged A machine desi...

Page 13: ...13 Fig 2 Fig 1 Fig 3 Fig 4 Fig 6 Fig 5 Fig 7 Fig 8 Safety ...

Page 14: ...that trailed machine does not start swinging or become unstable Please be aware of the danger of overturning when working on slopes and in soft ground Reduce load Lights The owner and operator is responsible of providing correct lamps and reflectors on the machine when transported on public roads Comply with public regulations Fig 11 Safety equipment Always carry first aid equipment on the trac to...

Page 15: ...15 Fig 10 Fig 9 Fig 11 Fig 12 Fig 13 Safety ...

Page 16: ...arning sign UH220903 Keep away from the pick up zone when PTO shaft is rotating Warning sign UH220902 Keep away from the raised chamber top section if unless it is secured Warning sign UH220901 Before performing any work under the chamber top section or in the bale chamber the hydraulic shut off valve should be closed valve is positioned at the front of the machine close to the hydraulic filter Wa...

Page 17: ...17 UH220534 UH220524 UH220543 UH220538 UH220548 UH220532 UH220528 UH220530 UH220900 UH220901 UH220902 UH220903 Safety ...

Page 18: ...have length and position that al low machine to move without causing any damage to the wirings Check the connections between tractor and machine Lubricate the machine according to lubrica tion chart Check wheel bolts torque setting to be 210Nm 155lb ft Cleaning General We recommend the use of pressured air when cleaning the machine Thus there is less risk of damaging the bearings of the machine If...

Page 19: ...blue wire to the battery s negative terminal The power supply should under no circumstances come from the lighter socket Fit control panel in tractor cab Connect panel to machine s driver module Switch on the screen The current time is dis played 2 Tractor require ments The machine is connected to the tractor s drawbar hitch One single acting hydraulic outlet with free return to tank is required A...

Page 20: ...bolt to centre of drawbar coupling upper edge of pending attachment The ring hitch is to be brought into hori zontal position by loosening the ring hitch fastening bolt Ensure that the three fastening bolts are tight 1000 Nm Caution When adjusting the drawbar prevent the bale processor from rolling away by placing parking blocks at the heels 4 Operating the machine 4 1 Connecting machine A single ...

Page 21: ...tubes carefully burr the pipe ends remove shav ings and grease sliding points well 4 1 1 3 Connecting hydraulics Connect the pressure hose to an outlet with possibility to adjust the oil flow Yellow cap connected to the oil filter The return hose should be connected to a free return connection blue cap Operating the machine Connecting through the double acting outlet can cause operation problems o...

Page 22: ...ver the tractor hydraulic s safety valve with a risk of damaging the tractors hydraulic pump The oilflow from the tractor should be adju sted to approx 35 l min See chapter 5 7 12 Excessive oilflow will generate heat in the tractor hydraulics and can cause damage For tractors where it is impossible to adjust the oilflow properly contact your tractor dealer a oilflowdivider kit UH58084 can be suppl...

Page 23: ...t indication oil must flow through the filter Be careful Beware of the moving pre stretcher ring Operating the machine During stand still over a period pressure of vital hydraulic circuits might have been released By simply pushing Select key no 1 while within 5 seconds system is powering up hydraulic pressure will be activated for a short time on film cutters chamber top section and chamber botto...

Page 24: ...set using 2 x 6 borings at the support wheel stem stay b Ensure that the setting at the right and left support wheel is the same 4 3 2 Setting pick up support wheel ground pressure The ground pressure of the pick up support wheels can be set using the right and left hand compensation spring a The springs are compressed by the hydraulic cylinders of the pick up lift The relief can be pre set by pos...

Page 25: ...eaking of shear bolt M8 x 45 8 8 DIN 931 a and pick up stops When shear bolts are being changed only top quality bolts are to be used Operating the machine Spare bolts are stored at the left hand for ward corner of the main frame b OC23 has a torque limiter incorporated in the pick up drive system When overload occurs power is interrupted by an outwardly acting pin type safety clutch causing the p...

Page 26: ...visable to swing out the cutting system for a short time using hydraulic power to allow the crop to pass through more easily When swinging out the cutting system at the end of the baling process a final layer of uncut crop is laid around the bale That will minimise the loss of broken crop and increase bale stability Manual engaging disengaging of knives are done by means of the joystick When movin...

Page 27: ...ght hand sides Undo the hinge screw M10 B on the left and right hand sides Move in the cutting system hydraulically switch off the tractor engine Assemble fixing screws A in the upper position Tighten the fixing and hinge screws A B at the left and right 4 4 2 2 Adjusting the cutting angle from precision to normal cutting Move in the cutting system hydraulically switch off the tractor engine Unscr...

Page 28: ...cutting unit After the foreign object has passed through hydraulic accumulator 4 will extend the ram and the blade returns to cutting position Note A leakage on the single acting hydraulic rams 1 cannot be excluded but does not impair the proper function It is essential to extend the rams before storing the machine Controlling the crop cutting system Blades can be swung in or out during the baling...

Page 29: ... 12 or 23 blades Procedure Open both taps 23 Switch on the Autoform control box Engage the hydraulic circuit Swing out the blades moving the joystick to the left Close the tap for the blade group to be engaged Activate the preselected blade group by moving the joystick to the right Possible blade groups 0 All blades swung out 11 Group 1 11 blades engaged approx length of cut 90 mm 12 Group 2 12 bl...

Page 30: ...cutting system hydraulically Open the chamber top section hydraulical ly Secure the top section close the upper lock valve in front of the machine a Switch off the tractor engine Operating the machine Loosen bolts b of scraper beam on both sides Push scraper towards the drum by means of a wooden box or similar Retighten bolts while scrapers are kept in position ...

Page 31: ...e is a risk of injury 4 5 2 Installing the net roll inserting the net Open front panel of the top section Posi tion new net roll on floor underneath the net binding system located with net end underneath roll with end heading back wards Move net brake unit to upper locked posi tion Remove empty net tube with net roll shaft Slide net roll shaft into the new roll of net hook up chain and lift net ro...

Page 32: ...usting the net roll brake Brake springs 8 should be set hard enough to make flex guide 2 be in rear tensioned position during regular feeding of net If the net brake unit starts vibrating espe cially at nearly empty net roll tension the bolts 9 of the lock stabilising bars 7 ...

Page 33: ...oning stay when knife is being re leased Otherwise net cutting is not perform ing well Adjust length of stay if malfunction ing 4 5 5 Resetting net binding system There is a reset function in case of defects in the binding procedure Resetting is basically checking the actuator positioning function Switch on power supply to control panel While Net binding reset icon is shown on select key 4 press t...

Page 34: ...matically monitor ing the prestretchers positions refusing top section to close if there is a risk of damage to the prestretchers This is checked by means of the safe sector sensor a and the cam b The positioning sensor c controls the exact position for cutting and parking The number of pulses required is checked set by means of the control panel 4 9 Film cutter The film cutter collects film and c...

Page 35: ...r force If not adjust cylinder piston length Open cutter Loosen lock nut 3 on piston rod end joint It rod turns with nut open cutter completely and loosen nut while pressure is on cylinder Partly close and adjust by turning piston rod Test and re tension lock nut 4 9 3 Adjusting film grip If film slips from cutter arm grip during start of wrapping or if one of the cutter arms seems to be delayed d...

Page 36: ...nd ing on the selected operation mode Depending on the choice net binding can be started automatically or manually by operat ing the OK switch depending on set up Once the binding process is over chamber top section is lifted automatically Stop PTO shaft when top section is half way raised OBSERVE If PTO clutch can be disen gaged by an external electric signal the bale processor s control system c...

Page 37: ...rners e g when turn ing round make sure that no deviation is greater than 80º on the wide angle of the universal drive shaft on the tractor Other wise there is a danger of breakage during operation or when at a standstill The regular lowering of pick up brings pick up hydraulics into floating position frame around joystick symbol which is important to obtain the best possible ground contour follow...

Page 38: ...to avoid any expan sion of bale When excluding film wrapping net wrapping will automatically be increased by the computer programme Bale density silage requires high density to obtain top quality and minimum loss of nutrition value Reduced forward speed will increase bale density Bale rotation in chamber for very dry brittle straw reduce the baling density or move cutter blades out to prevent a st...

Page 39: ... mode Left hand key Editing number of film wraps Tool mode Selects joystick function group Second from left Editing number of net wraps x x B net only x x BW net film Clears the error code in screen Sets edited value back to the min value allowed Third from left Press to select film wrapping ON OFF When set to OFF net wrap is automatically increased to preset x x BW Auto Continue after interruptio...

Page 40: ...f service func tions Observe PIN code required 4 10 3 4 Setting number of net wraps Start from Process mode Press Select key no 2 Adjust wrap numbers B net only Save settings Adjust wrap numbers BW net wrap with film wrapping Save settings and exit 4 10 3 5 Setting film wraps Start from Process mode Press Select key no 1 Adjust wrap numbers Save settings and exit Recommended number of film wraps 4...

Page 41: ...y the frame around the icon See even paragraph 4 10 3 15 4 10 3 8 Operating cutting knives Press joystick keys right hand left hand Note Lock valve at rh side behind the pickup need to be open in order to operate the knives When joystick is moved to KNIVES IN rh position directional valve will remain in floating position in order to allow knives to be pressed in by the springs Floating mode is ind...

Page 42: ...g sequence 3 5 wraps of film will be automatically added to the preset number in order to compensate for film tear or film roll exchange 4 10 3 12 Continuing after interruption Press 4 10 3 13 Counter setting Reset selected counter Operating the machine View active counter 4 10 3 14 Automatic dis and re engagement of cutting knives When this function is activated knives automatically move out when...

Page 43: ...17 Correcting film wraps at interruption of wrapping sequence Operating the machine When interrupting the wrapping sequence see paragraph 4 10 3 11 4 10 3 12 3 5 wraps will be added automatically in order to compensate for the film break or film roll exchange 4 10 3 15 Automatic lifting and lowering of pick up With this function activated pick up is automatically lifted when net binding starts Pic...

Page 44: ...lutch disconnects the PTO torque If the blockage can not be cleared by restarting the PTO shaft at a speed below 200 rpm the conveying channel is to be freed of blocked crop by reversing the feed drum Proceed as follows to reverse 1 Move the knives out of the conveying channel hydraulically 2 Shut off the PTO shaft stop the tractor engine and remove the ignition key 3 Disconnect the claw coupling ...

Page 45: ... all other steps follow the procedure as described in section 4 10 4 1 4 11 Parking Lower and secure the parking leg Discon nect command panel and store protected from moisture and aggressive chemicals Thoroughly clean and lubricate the machine according to paragraph Maintenance Leave cylinders in inner position Store control panel in a dry place at ambient temperature Store machine under cover 4 ...

Page 46: ... situation Light at STOP key is on b Process mode Bale processor can be operated manually or automatically Light at Stop key is off c Edit mode Operator can change parameters set up of the machine Indicated by flashing parameter in screen and flashing light at OK switch The keyboard is used for operating the ma chine and to determine if fully automatic or partly automatic operation The various key...

Page 47: ...lete by operating the C switch to clear and OK to confirm Repeat to clear prestretcher running time 5 2 1 3 Stop key Emergency stop key Stops the machine process mode immediately in any case and all outputs will be disabled 5 2 1 4 Select keys Select key no 1 in Process mode Access to editing of number of film wraps Current wraps and programmed wraps are in upper left corner of screen The computer...

Page 48: ... the minimum value allowed for that parameter The computerised control system 5 2 1 7 Enter OK switch Process mode 1 Starts the next process sequence if Manual mode is se lected 2 When an automatic cycle has been interrupted by the stop key the system will go the idle mode When restarted enter ing the process mode again the light next to the Enter switch will flash to indicate that the interrupted...

Page 49: ... to decrease using a using a larger step size 5 2 1 10 Joystick left Process Mode in Auto or Manual Cutting knives in Process Mode in Tool Depending on selected joystick function group Edit Mode Step to the previous screen or the previous variable in a screen when editing in User Functions dealer Functions or Service Functions screens When editing a variable this action can be used to escape the c...

Page 50: ...ealer level 5 2 2 2 Joystick function Joystick down Idle mode Activates the service functions Give access to programma ble parameters which are at the service level 5 2 2 3 Joystick function Info switching the control systen ON Power up Reset all parameters to default values Make a note of the values to be able to go back to your own adjustments 5 2 2 4 Stop key OK switch switching the control sys...

Page 51: ...been established graphical images in the control panel are checked If not OK or if a new version of the machine box soft ware is installed the system starts to upload the graphics to the control box The following screen indicates this 5 4 Idle mode From this screen the user can access the User functions PROG the Dealer functions or the Service functions When this screen is shown all outputs are di...

Page 52: ...he next screen stepping to the previous screen is done by moving the joystick to the left When a pa rameter has to be changed edited activate any of the four edit switches clear C switch plus joystick up minus joystick down or enter OK switch Pressing the STOP key in any step of this mode will finish the editing monitoring and return to Idle mode screen 5 5 1 User functions activated Shows that us...

Page 53: ...continues to rotate until STOP is pressed by the user When film break is solved go back to operating screen restart wrapping again with OK 2 Film break sensor is activated Film break is notified by audio signal and the satellite stops If the operator wants to continue wrapping with one film roller only reset error message with the C key and activate the pro cess with OK The system will automatical...

Page 54: ...e read and adjusted in this user screen 5 5 11Beeper volume Allows editing of the beeper volume During editing the beeper volume changes according to the current value in the screen 5 5 12 Battery voltage The actual battery voltage is presented in the screen This screen can be used by the operator to check and monitor the battery condition 5 5 13 Exit User functions This screen indicates the final...

Page 55: ...r left part of the screen shows the current number of laps done and the programmed number of laps The pro grammed number of laps can be edited by pressing the left hand Select key and add deduct numbers by operating the joystick function The computerised control system 5 6 2 Automatic process screen The automatic process screen is indicated by the text AUTO in the upper right corner of the screen ...

Page 56: ... 09 Top section down error Too long time without any signal of top section having reached lower position 10 Bottom section open ring up error Too long time without any signal of bot tom section having reached upper posi tion 12 Cutter down error Cutter has not activated Cutter closed sensor 13 Top section position sensor not acti vated One of the sensors is faulty 14 Voltage drop Occurs when volta...

Page 57: ... knives are engaged Mode Tool Automatic and Manual 5 6 5 4 Cutter knives out The cutter knives are disengaged Mode Tool Automatic and Manual 5 6 5 5 Prestretcher ring rotates The prestretcher ring is controlled forwards Mode Tool Automatic and Manual 5 6 5 6 Prestretcher ring reverses The prestretcher ring is controlled backwards Mode Tool Automatic and Manual 5 6 5 7 Film cutters up The film cutt...

Page 58: ... bottom section up The bottom section is raised and the ring is lowered Mode Tool Automatic and Manual The computerised control system 5 6 5 12 Chamber bottom section down The bottom section is lowered and the ring is raised Mode Tool Automatic and Manual 5 6 5 13 Automatic wrapping The satellite rollers are rotating in regular direction No of ap plied layers of film and aatellite speed is display...

Page 59: ... 7 2 Simulating mode To be used at stationary demonstration of the machine functions The net running sensor is not considered for one cycle 5 7 3 Automatic disengaging of PTO In this screen time controlling automatic disengaging of PTO is set Timer starts when chamber top section is leaving the Top section closed sensor 5 7 4 Ring start stop parameters This screen displays parameters for speed and...

Page 60: ...ues for closed and opened top section have to be defined Adjustment is to be made first with closed and then with opened bale chamber Use the manual hydraulic function to close and open the bale camber Confirm each final position with the key and then store ith the key 5 7 9 Screen information RPM 0 no info 1 show ring RPM in the screen 2 show filmbreak pulses in the screen ERR 0 normal display of...

Page 61: ...adjust the oilflow from the tractor until the RPM just starts to drop If the RPM in the display is under 50 adjust the oilflow from the tractor gradually up until the RPM is not increasing anymore The oilflow from the tractor is then correct adjusted to 35 litres min and you can press softkey 1 to stop the ring rotation 5 7 14 Control panel version This screen shows the version of the control pane...

Page 62: ...ut23 system only 23in Duration of hydraulic pressure when blades are swung in recommended value 4 0 s 23out Duration of hydraulic pressure when blades are swung out recommended value 9 0 s 5 8 4 Sensor time out This parameter configures the overall sensor timeout value In the automatic or manual cycle sensors are used to detect certain posi tions or conditions If due to e g a sensor failure this s...

Page 63: ...C switch The second value shows the total counter of the machine This value can not be reset See description of Info key regarding selection of counter 5 8 9 Ring rotation time Shows the total rotation time for the ring 5 8 10 Bale density Not in use 5 8 11Pulse width modulation Not in use The computerised control system 5 8 13 Exit Service functions This screen indicates the final Service functio...

Page 64: ...e depends on the baler speed 540 RPM correspond to approx 3 turns When the binding process is completed the control system will automatically pass to the next icon Opening the top section of the bale chamber When the sensor gives the top section open message the control system will automatically pass to the next icon Starting the film wrapping cycle The preselected number of turns is applied to th...

Page 65: ...on Closing up the top section of the bale chamber When the top section closed sensor is activated the control system will automatically pass to STOP mode Press the STOP key to finish PIA in any step of this mode NOTE The display will not pass to the next function if one of the functions should not be operated properly In this case the function of the sensor concerned must be checked ...

Page 66: ...he machine Ø Material 8 8 Material 8 8 M5 5 7 Nm 50 5 lb in M6 9 9 Nm 7 3 lb ft M8 24 Nm 17 7 lb ft M10 48 Nm 35 4 lb ft M12 85 Nm 62 7 lb ft M16 210 Nm 155 lb ft M20 400 Nm 295 lb ft M24 1000Nm 737 lb ft 6 1 3 Chain tensioning All drive chains are tightened elastically by spring loaded chain tensioners The chain tensioners are to be assembled in the chain row so that they can move freely with no ...

Page 67: ...ales Daily 4 Main drive shaft rh 4000 bales 2000 bales Daily 5 Idle sprocket on chain transmission of top section drive lh side front 4000 bales 2000 bales Daily 6 Idle sprocket on top section roller drive lh side 4000 bales 2000 bales Daily 7 Pivoting point of rear roller unit on top section both sides 4000 bales 2000 bales Daily 8 Lower end lifting cylinders of top section 4000 bales 2000 bales ...

Page 68: ...ns 4000 bales 2000 bales daily and after cleaning with high pressure cleaner before winter storage Oil 1 3l gear oil SAE90 after first season and thereafter at repairs Oil daily Every 4000 bales in all conditions Optional extra When this block is not fitted rh bearings of chamber rollers of top section have nipples fitted to the bearing housings 12 pcs ...

Page 69: ...n the cutting system switch off the engine and wait for the machine to come to a complete standstill Close the cut ting system hydraulics with the lock valve Always wear protective gloves when working with the blades and never touch the blades on the cutting edge Move out the cutting system hydraulically Open the chamber top section hydraulical ly Secure the top section close the upper lock valve ...

Page 70: ... Close tap 1 to lock the top section Swing out the cutting unit using hydraulic power Close both taps for the variable blade engagement in groups on the right hand machine side Turn the blade shaft by moving lever d down Grip blade at the end pull out upwards clear of the blade shaft and then remove to the bottom When necessary turn the feed drum to alter the position of the tines Sharpen the blad...

Page 71: ...correct indication oil must flow through the filter Be careful Beware of the rotating pre stretcher satellite Filter exchange intervals Check the filter element every 3000 bales or at least once a season The filter element should be replaced for every 8000 bales be ing wrapped and always once a season Caution Release pressure in the system before open ing the filter housing 6 2 2 Hydraulic tractor...

Page 72: ...etcher ring reverse 2 Cutter knives disengaged Cutter knives engaged Pick up down Pick up up 3 Film cutter closed Film cutter released 4 Bottom chamber section lowered Bottom chamber section raised 5 Top chamber section lowered Top chamber section raised All valves may be manually operated by the lever included with the machine Fit lever on the valve casing Be aware of moving parts Pour la command...

Page 73: ...ck for any short circuit on the sensor ca bles 7 1 Troubleshooting hydraulics d Contaminated oil Badly contaminated oil is extremely detrimen tal to the hydraulic system Bear in mind the timed intervals for checking and replacing filter and oil see sections 6 2 1 and 6 2 2 Contaminated oil can contain large amounts of particles which cannot be filtered but can nevertheless cause wear to the motor ...

Page 74: ...f prestretchers C Rh side at top section joint Indicating top section completely raised C Rh side at top section joint Indicating top section completely lowered E Rh side at chamber lock Indicating chamber full F Rh side at net feeding roller Indicating net feeding G Rh side at net knife releaser Indicating net cutting knife release H Rh side at ring support Indicating bottom roller section raised...

Page 75: ...75 ...

Page 76: ...76 Operator s manual BIO bale processor B4000 Notes Notes ...

Page 77: ...77 ...

Page 78: ...ts in the world The Group is a family of strong brands enabling us to provide both the farmer and dealer with a unique and complete range of high quality products for soil preparation grass treatment seeding spreading spraying potato cultivation and grape harvesting www kvernelandgroup com ...

Reviews: