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HARDI INTERNATIONAL A/S reserve the right to make changes in design or to add
new features without any obligation in relation to implements purchased before or after
such changes.

LZ

Instruction book

674892-GB-04/2002

Contents

EC Declaration of Conformity .................................................... 2
Operator safety ......................................................................... 3
Description ................................................................................ 4
Function diagram ...................................................................... 5
Connecting the sprayer ............................................................. 6
Operating instructions ............................................................... 8

Adjustment of the controls .................................................. 11

Maintenance ............................................................................ 14

Cleaning the sprayer .......................................................... 14
Lubrication .......................................................................... 17
Re-adjustment of the Boom ................................................ 21
Changing of valves and diaphragms .................................. 26
Changing of ball seat in operating unit ............................... 27
Check of valve cone in distribution valves .......................... 27
Off-season storage ............................................................. 28

Operational problems .............................................................. 29
Technical specifications ........................................................... 33
Assembly ................................................................................. 39

Summary of Contents for LZ Series

Page 1: ...n of Conformity 2 Operator safety 3 Description 4 Function diagram 5 Connecting the sprayer 6 Operating instructions 8 Adjustment of the controls 11 Maintenance 14 Cleaning the sprayer 14 Lubrication 17 Re adjustment of the Boom 21 Changing of valves and diaphragms 26 Changing of ball seat in operating unit 27 Check of valve cone in distribution valves 27 Off season storage 28 Operational problems...

Page 2: ...the laws of the Member States on the safety of machines 89 392 EEC as amended by directives 91 368 EEC and 93 368 EEC with special reference to Annex 1 of the Directive on essential safety and health requirements in relation to the construction and manufacture of machines B was manufactured in conformity with the standards current at that time that implements a harmonised standard in accordance wi...

Page 3: ...ng practices Read and understand this instruction book before using the equipment It is equally important that other operators of this equipment read and understand this book Pressure test with clean water prior to filling with chemicals Wear protective clothing Rinse and wash equipment after use and before servicing Depressurize equipment after use and before servicing Never service or repair the...

Page 4: ...gear The number of revolutions on the P T O must be kept between 300 600 r min With the Self Cleaning Filter the impurities that exist in the spray liquid will by pass the filter and be recirculated back to the tank via the return to tank The LHZ spray boom is fully hydraulic folded and operated Individual folding of right and left outer sections enable alternative boom widths Individual boom tilt...

Page 5: ... filter 2 Pump 3 Self Cleaning Filter 4 Safety valve 5 Pressure agitator 6 On off valve with pressure gauge 7 Pressure control valve with HARDI MATIC 8 Distribution valve with pressure equalization 9 Sprayer boom 2 1 3 4 6 7 8 9 5 ...

Page 6: ...n also be used The hydraulic hoses are marked with an arrow to indicate direction of oil flow The D A H system requires an oil flow between 10 to 90 litres per minute and a min pressure of 130 bar The system has a built in flow regulator that maintains constant speed on hydraulic movements Before operating the hydraulics the clip at the distribution valve situated at front of tank should be set fo...

Page 7: ... EC operating unit the tractor circuit should have a 8 Amp fuse and for the D A H a 16 Amp fuse Use the HARDI Electric distri bution box No 817925 if the tractor has a doubtful power supply Rear lights if fitted Connect plug for rear lights to the tractors 7 poled socket and check that rear lights stop lights and turning indicators function Transmission shaft When connecting the sprayer to the tra...

Page 8: ...driving on public roads and other areas where the highway code applies or areas where there are special rules and regulations for marking and lights on implements you should observe these and equip implements accordingly Operating instructions Operating of the boom WARNING BEFORE UNFOLDING THE BOOM IT IS IMPORTANT THAT THE SPRAYER IS CONNECTED TO THE TRACTOR TO PREVENT OVERBALANCING BE CAUTIOUS WI...

Page 9: ...g of left outer section B Unfolding folding of inner section C Unfolding folding of right outer section D Boom tilt for left side E Boom tilt for right side F Raising and lowering of boom G Slanting of boom Unfolding of boom ENSURE THAT THE BOOMS ARE CLEAR FROM THE TRANSPORT BRACKETS BEFORE UNFOLDING 1 Push switch F upward to lift the boom clear of the rear transport brackets 2 Push switch D and E...

Page 10: ...heck the slanting function is midway G 3 Fold outer sections A and C 4 Raise right and left sections D and E 5 Fold inner sections B 6 Lower boom F until boom rests on rear transport brackets 7 Lower right and left boom sections until they rest the front transport brackets D and E Self Cleaning Filter Function diagram 1 From pump 2 To safety valve operating pressure is 15 bar 3 Double filter scree...

Page 11: ...k one then the white and finally the red one When cleaning the filter remove hose N and the hose at the safety valve and check there are no residues Standard filter size is 80 mesh Sizes of 50 and 100 mesh are available and can be changed by opening the filter top Check the O rings before reassembling the filter and replace if damaged Adjustment of the controls EC operating unit 1 Adjust screw for...

Page 12: ...activated against green 4 All distribution valves switches V are activated against green 5 Pressure regulation switch C is activated until emergency handle 3 stops rotating minimum pressure 6 Put the tractor in neutral and adjust the P T O and thereby the number of revolutions of the pump corresponding to the intended travelling speed Remember the number of revolutions on the P T O must be kept be...

Page 13: ...ution valve V to off position The pressure equaliza tion ensures that the pressure does not rise in the sections which are to remain open In case of power failure it is still possible to activate all functions of the operating unit See section Emergency operation of the sprayer When the sprayer is put aside the control box and the multiplug must be protected against moisture and dirt A plastic bag...

Page 14: ... given follow them closely Be familiar with local legislation regarding disposal of pesticides washings mandatory decontamination methods etc Contact the appropriate body eg Dept of Agriculture Pesticide washings can usually be sprayed out on a soakaway This is an area of ground that is not used for cropping You must avoid seep age or run off of residues into streams water courses ditches wells sp...

Page 15: ...les 1 5 bar minimum For 1553 nozzles 3 0 bar minimum 2 Select and use the appropriate protective clothing Select detergent suitable for cleaning and suitable deactivating agents if necessary 3 Rinse and clean sprayer and tractor externally Use detergent if necessary 4 Remove tank and suction filters and clean Be careful not to damage the mesh Replace cap for suction filter Replace filters when the...

Page 16: ...f tank again letting the pump run dry 9 Stop the pump If the pesticides used have a tendency to block nozzles and filters remove and clean them now Check also for sediment on the pressure side of the safety valve for the Self Cleaning Filter 10 Replace all the filters and nozzles and store the sprayer If from previous experiences it is noted that the solvents in the pesticide are particularly aggr...

Page 17: ...and lubricated Lubrication Recommended lubrication is shown in following tables Use ball bearing grease lithium grease No 2 NOTE If the sprayer is cleaned with a high pressure cleaner or corro sive products have been sprayed out we recommend lubrication of all sections Position of the sprayer Oil Grease Hours See further details on page Winter storage 1 2 6 9 8 7 4 5 6 3 ...

Page 18: ...1 x 40 2A x 12 B x 40 3 x 20 4 x 40 18 26 7 8 7 11 12 27 33 22 23 ...

Page 19: ...5 x 40 6 x 40 19 21 ...

Page 20: ...7 A x 40 B x 40 8 x 20 9 x 40 20 23 ...

Page 21: ...wn when the lift ram is actuated 1 Unfold the boom 2 Loosen counter nuts K and adjust the screws J so the glide pads are just touching at all points in both directions Tighten counter nuts Trapeze suspension For the trapeze to function it must not be overtight If it is to loose the boom will yawn forward and back movement This results in a poor spray distribution 1 With the boom unfolded check the...

Page 22: ...ns until the folding rams are at minimum length and carefully place the boom in the transport brackets NOTE The following is best done without pressure in the hydraulic rams 2 Loosen counter nut C and adjust the length of the rod F until the boom rests against G at the transport bracket H G 3 Now move the boom stop H on the transport bracket up to the boom Tighten counter nuts ...

Page 23: ...and adjust the length of the rod until the outer and inner sections are parallel Tighten counter nut Linear adjustment of inner sections 12 to 21 m NOTE The following is best done without pressure in the hydraulic rams 1 Unfold the boom 2 Loosen counter nut B Adjust the threaded bushing D until the boom is at right angle to the tank frame Tighten counter nut ...

Page 24: ...screw if not so 3 Midway on the wire of the inner section check the tension A 10 kg force the wire should move a maximum of 3 mm Adjust rigging screw if necessary 4 Midway on the wire of the intermediate section check the tension A 10 kg force the wire should move a maximum of 10 mm Adjust rigging screw if necessary 5 Fold the boom ...

Page 25: ...he wire should move a maximum of 3 mm Adjust rigging screw if necessary 7 Midway on the wire of the intermediate section check the tension A 10 kg force the wire should move a maximum of 20 mm Adjust rigging screw if necessary REMEMBER TO TIGHTEN ALL COUNTER NUTS AFTER ADJUSTMENT ...

Page 26: ...iaphragm Model Nm bolt Nm 361 70 60 1 Nm 0 74 ft lb Level indicator Depending on products used it can become difficult to see the red sphere inside the level indicator tube Note that the tube can be replaced when necessary Valves Remove valve cover 1 Before changing the valves 2 note the orientation of the valves so that they are replaced cor rectly Important Note valve with white flap 2A is place...

Page 27: ...at for cracks and wear replace if necessary Check of valve cone in distribution valves Periodically check the distribution valves for proper sealing Run the sprayer with clean water and open on off and all distribution valves Cautiously remove clip A and hose B for the pressure equalization device When the housing is drained there should be no liquid flow through the pressure equalization device I...

Page 28: ...ed ALL THE WAY ROUND before fitting on to the nozzle tube For axial connections a little mechanical leverage may be used Off season storage When the spraying season is over you should devote some extra time to the sprayer before it is stored Hoses Check that none of the hoses are caught or have sharp bends A leaky hose can give an annoying delay in the middle of the spraying job Therefore check al...

Page 29: ...ne filled pressure gauge and store it frost free in vertical position The anti freeze solution also hinders the O rings and gaskets from drying out Operational problems In cases where breakdowns have occurred the same factors always seem to come into play Minor leaks on the suction side of the pump will reduce the pump capacity or stop the suction completely A clogged suction filter will hinder or...

Page 30: ...Air in system Suction pressure filters clogged Incorrect assembly Pump valves blocked or worn Defect pressure gauge Filters clogging Check if red suction lid O ring are sealing Check suction tube and fittings Check tightness of pump diaphragm and valve covers Fill suction hose with water for initial prime Clean filters Check yellow suction pipe is not obstructed or placed too near the tank bottom ...

Page 31: ...n all filters Check by turning agitation off on Check tightness gaskets O rings of all fittings on suction side Turn agitation off Reduce pump r min Check safety valve for Self Cleaning Filter is tight Ensure returns inside tank are present Use foam damping additive Replace See Changing of valves and diaphragms Check mechanical function of microswitches Use cleaning lubricating agent if the switch...

Page 32: ... Dismantle and clean Emergency operation of the sprayer The boom In case of power failure the boom can be operated manually by pressing the individual buttons on the solenoid valves This is done by locking the distribution valve as is done when using tractors with closed centre hydraulics Remove the protection box of the sole noid valves at the boom The boom can now be operated by pressing the ind...

Page 33: ...s Fuse type T 500 mA HARDI ref no 261125 Technical specifications Measure and weight Tank Spraying Measure Weight size width a b c kg l m cm 12 310 255 300 753 15 410 255 330 782 16 410 255 330 797 800 18 430 255 350 867 20 450 255 370 891 21 450 255 370 917 24 420 255 345 1010 12 310 255 300 783 15 410 255 330 812 16 410 255 330 827 1000 18 430 255 350 897 20 450 255 370 921 21 450 255 370 947 24...

Page 34: ... green 1 3 4 5 2 r min 300 400 500 540 600 bar l min kW l min kW l min kW l min kW l min kW 0 95 0 92 127 1 33 158 1 56 171 1 69 189 1 85 5 92 1 49 123 1 93 151 2 38 165 2 63 183 2 98 10 91 2 22 120 2 89 148 3 69 163 4 02 180 4 74 15 89 3 03 119 3 92 148 4 90 160 5 40 177 6 15 Rotation per min r min Capacity l min Suction height 0 0 m Power consumption kW Max pressure 15bar Weight 54 0 kg 361 9 5 ...

Page 35: ...35 Electric and hydraulic diagram Boom raise lower ...

Page 36: ...36 Electric and hydraulic diagram Distribution box ...

Page 37: ...37 Electric and hydraulic diagram hydraulic system ...

Page 38: ...on of Conformity Description Function Connection Warning Operation Service adjustment Liquid flow Pressure Cleaning Lubrication Winter off season storage Operational problems Technical specifications Pictorial symbols ...

Page 39: ... information Materials used for packaging are environmentally compatible They can be safely deposited or they can be burnt in an incinerator Recycling Cardboard Can recycle up to 99 and therefore should be put into the waste collection system Polystyrene foam Can be recycled Fluorocarbons CFC not used in foam production Polyethylene Can be recycled Materials Tank HDPE Pressure hose PVC Suction hos...

Page 40: ... mounting the D A H control box must not be too long max 12 mm as they may cause a short circuit 2 Mount the boom wings A crane or forklift will be needed It will help to fully extend the tilt rams so the boom wings do not have to be raised as much WARNING Remember to secure the sprayer from over balancing ...

Page 41: ...tube A The rest can slide lengthwise B allowing for extension and contrac tion 4 Tubes and hoses are connected Fit tubes using synthetic nut Press down 1 turn 2 Do not over tighten Fit filter and COLOR TIPS Lubricate O rings with non mineral oil to aid assembly B A ...

Page 42: ...42 24 m LHZ 20 m LHZ 21 m LHZ 18 m LHZ 16 m LHZ 15 m LHZ 12 m LHZ ...

Page 43: ...43 5 Secure feed and connecting hoses with plastic straps approx every 30 cm Check that the hoses do not catch or pinch during folding and unfolding ...

Page 44: ...44 A13 ...

Page 45: ...45 B104 ...

Page 46: ...B105 ...

Page 47: ...B205 ...

Page 48: ...48 C208 ...

Page 49: ...49 C209 ...

Page 50: ...50 D203 ...

Page 51: ...51 D300 ...

Page 52: ...52 D301 ...

Page 53: ...53 D302 ...

Page 54: ...54 D303 ...

Page 55: ...55 D304 ...

Page 56: ...56 D904 ...

Page 57: ...57 E11 ...

Page 58: ...58 E109 ...

Page 59: ...59 K604 HARDI INTERNATIONAL A S HELGESHØJ ALLÉ 38 DK 2630 TAASTRUP DENMARK HARDI 0396 EN 1152 ISO 5674 978389 rpm kW Nm 540 12 210 1000 18 172 POS A X 8 B X 40 ...

Page 60: ...60 Notes ...

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