Vaderstad NZ Aggressive NZA 1000 Series Скачать руководство пользователя страница 34 | Manualshive

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Instructions and adjustments

34

11.07.2011

ver. 2

3.12 Adjusting the following harrow

Figure 3.25

The following harrow is spring-loaded and features a release mechanism to prevent damage on the
implement when reversing.

The working depth and angle of the tines can be easily adjusted. The harrow should be in the raised
position when making this adjustment.

Adjust the working angle by moving the cotter pin A in the series of holes B.

Adjust the working depth by using the cranks C. Set all the cranks to the same length.

C

A

B

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Содержание NZ Aggressive NZA 1000 Series

Страница 1: ...Original instructions Instructions 902616 en 13 12 2012 ver 1 NZ Aggressive series NZA 600 1000 Manufacturing No 24732 NZA 500ST NZA 600T ...

Страница 2: ...2 13 12 2012 ver 1 ...

Страница 3: ...ions 22 3 4 Adjusting hose length 24 3 5 Adjusting the reverse action valve 24 3 6 Adjusting the turnbuckle 25 3 7 Setting the working depth Master and slave systems NZA 600 1000 26 3 8 Setting the working depth and scale 28 3 9 Setting the working depth NZA 500 ST and 600T 29 3 10 Adjusting the wing section stop screws 29 3 11 Crossboard 30 3 12 Adjusting the following harrow 34 4 Maintenance and...

Страница 4: ...4 13 12 2012 ver 1 ...

Страница 5: ... The ample wheel fitting ensures excellent bearing capacity The front Crossboard crushes clods and levels the field The harrow can be fitted with an optional rear Crossboard for further working of the field The Crossboard at the rear is especially suited for working hard soils The NZA also has a following harrow which levels and pulverises the soil Switching between the work and transport position...

Страница 6: ...er have been manufactured in accordance with the Council Directive 2006 42 EC The above declaration covers the following machines NZA 500ST NZA 600 NZA 600T NZA 700 NZA 800 NZA 900 och NZA 1000 manufacturing no 24732 30000 Väderstad 2010 06 18 Lars Erik Axelsson Legal requirements coordinator Väderstad Verken AB Box 85 590 21 Väderstad The undersigned is also authorised to compile technical docume...

Страница 7: ... and park ing To ensure reliable operation of the automatic lock grease the locking bars periodically C Warning tape pay attention to the danger of crushing and impact injuries Also used on safety components D Never work under the implement when carrying out service or maintenance without ensuring that it is properly supported on stands or standing on some other firm surface Block the lifting ram ...

Страница 8: ...chine implement and the fitted tyres are dimensioned for a maximum speed of 30 km h on a good country road The owner driver has sole responsibility for observing local traffic regulations when driving on a public road Prior to making the hydraulic connections make sure the male couplings on the harrow and the female couplings on the tractor are clean and free from dirt To maintain the high level o...

Страница 9: ...uring No 1 5 2 CE plate Figure 1 6 C Working width D Transport width E Serialnumber CE F Weight kg including following harrow and front and rear Crossboards For the NZA 500ST 600 T the weight indications include the following harrow and the front Crossboard For the NZA 6 the weight indications include the following harrow and the front Crossboard For more information see 5 2 Technical Data on page...

Страница 10: ...e when ordering spare parts and in case of serv icing or warranty claims C Year of manufacture D Working width E Transport width F Tare weight of the basic machine G Maximum total weight H Maximum permitted payload I Maximum permitted axle loading J Maximum coupling load at the tractor hitch Also refer to 5 2 Technical Data on page 47 A B D E I J G C F H ...

Страница 11: ...ding 3 Lower the machine so that the cultivator tines and transport wheels rest on the ground Lock the centre section s lifting ram by using the setting device 4 Secure the machine s transport wheels to prevent rolling using chocks or similar 5 Unhitch the tractor from the machine 6 Secure the wing sections ready for transport using tension straps A or similar see Figure 1 8 7 Secure the machine u...

Страница 12: ...Safety rules 12 11 07 2011 ver 2 ...

Страница 13: ...ng positions are marked with lifting symbols Carefully unload the draw bar following harrow section and when applicable the Crossboard sections and related parallel rods from the frame The following harrow thills are packed on a pal let 2 2 Mounting the tines Figure 2 2 Prior to delivery and to minimise the transport dimensions all tines on the fifth tine shaft have been dismantled To facilitate e...

Страница 14: ... the draw bar on the centre section using the draw bar bolts Connect the post on the draw bar with the parallel rod on the turn buckle Do not tighten the castle nut of the parallel rod fully leave a small amount of play to allow later adjustment Fit the hose holder on the draw bar ...

Страница 15: ...y sections option Figure 2 4 Fit the front bolt first following which the other mounting plates can be bolted together It is extremely important to retighten all bolts after about five hours of use Table 2 1 NZA 800 NZA 700 0 5 m 0 5 m NZA 1000 NZA 900 0 5 m 0 5 m ...

Страница 16: ...ve Figure 2 5 Applies to NZA 500 1000 Upon delivery from the factory the reversing valve spring of the harrow may in some cases not be installed Fit the spring as shown in the figure and lock it in place with the pins For valve adjustment see 3 5 Adjusting the reverse action valve on page 24 ...

Страница 17: ... and rear Crossboards Fit the rods in the rear hole on the rear lifting arms see position B The rods must be parallel in the longitudinal direction of the harrow The grease nipple next to the crank must point upwards Fit the rods on the correct side of the lifting arms to avoid that the rods touch the hoses and con nectors on the Crossboard hydraulic rams See position A Note that the screws act as...

Страница 18: ...hat the screws act as joints and thus must not be tightened When assembling the extensions see Figur 2 9 2 8 Fitting track eradicators option The track eradicators should be fitted on the front beam or the draw bar as shown in Figure 2 10 Lateral positioning depends on the tread of the tractor NOTE When folding up the wing section on a harrow with track eradicators on both the centre and wing sect...

Страница 19: ...00 T ST 11 07 2011 ver 2 19 2 9 Fitting the connecting drawbar option Figure 2 12 NOTE When hitching an implement to the draw bar make sure the original cotter A or another cotter with the same diameter is used A ...

Страница 20: ...of the wing folding ram from the reversing valve and connect the T pipe A to the nipple Fit the ram hoses to the nipple facing to the front Fit the connecting draw bar hoses B to the nipple facing up 2 9 2 Fitting the draw bar hoses onto the NZA 700 800 Figure 2 14 2 9 3 Fitting the draw bar hoses onto the NZA 900 1000 Figure 2 15 A B ...

Страница 21: ...c hoses are correctly connected to the hydraulic couplings on the tractor The hoses are marked with colours From mftg no 24732 the following markings apply NZA 500 600 Hoses with yellow markings Lifting and lowering of the harrow Hoses with blue markings Wing folding and Crossboard operation If the harrow is equipped with draw bar connectors these hoses can also be connected to the hydraulic conne...

Страница 22: ...t for wing folding and Crossboard operation In the raised position the circuit controls wing folding while in the lowered position the circuit controls Crossboard operation A reversing valve ensures that the correct function is active The harrow features automatic locking and unlocking of the wings 3 3 1 Switching to the work position 1 Completely raise the harrow 2 Make sure the Crossboard is not...

Страница 23: ...ow is in the work position Always check that the catches have been locked prior to transport or parking 3 3 4 Securing the wing section prior to transport To prevent involuntary unfolding of the wings e g by accidental operation of a hydraulic lever in the tractor cab the reversing valve spring can be unfastened to position 0 Always apply this set ting prior to transport on the road or allowing an...

Страница 24: ...he hydraulics between the wing folding action and Crossboard When the harrow is lowered into the work position the hydraulics are engaged to the Crossboard when the harrow is raised onto its wheels the hydraulics operate the wing folding action Lever A should always be in the end position for transport and harrowing This is adjusted by slid ing valve bracket B forwards or rearwards and also by cha...

Страница 25: ...llel with the ground while driving Adjust longitudinal inclination of the centre section by adjusting the parallel adjustment screw A The front is lowered when turning the parallel adjustment screw clockwise See position B The front is raised when turning the parallel adjustment screw counter clockwise See position C To enable later adjustment ensure that the parallel adjustment screw always is pr...

Страница 26: ...edure for a few seconds when hitching the seed drill to the tractor before adjusting the seed drill after extending and a few times during the working day NOTE Do not screw on any fitting in order to release air After any work such as replacing a seal in a ram air must be bled from the system as described above but for a period of approx 1 5 minutes Adjustment must be carried out without any of th...

Страница 27: ...ensure first class results Make a habit of bleeding the hydraulic system each time the cultivator is hitched to the tractor be fore you start using it and also a few times during the day when you are using the cultivator Bleeding the system takes only 10 15 seconds Memory ram function A Piston rod for lifting and lowering the machine The piston rod is regulated by the hydraulic circuit with hoses ...

Страница 28: ...e help of the memory ram the machine returns to its previous work ing depth 3 8 2 Setting the scale Position the machine on a flat surface and adjust the height so that pins and wheels are both in the ground together In this position the scale should start to indicate To adjust the scale to the desired zero value undo the screws A that hold the scale in the turnbuckle Remember that small ad justme...

Страница 29: ...les E Then tighten the bout marker The bout marker has now been adjusted and should not require any further adjustment in the future 3 9 1 Changing the working depth Raise the cultivator and move the adjuster until the marker shows the desired figure Set the cranks for the outer wheels to the same figure Lower the cultivator against the adjuster Changing the set figure by a whole number will chang...

Страница 30: ... hydraulic ram raises the Crossboard and vice versa Do not screw out the piston rod end more than 20 mm On the ram on which the depth scale is mounted the piston rod should not be screwed out more than 12 mm Make a habit of bleeding the hydraulic system each time the cultivator is hitched to the tractor be fore you start using it and also a few times during the day when you are using the cultivato...

Страница 31: ...on of the front and rear Crossboards towards each other can be adjusted using the cranks on the rods Adjust using the cranks until the rear Crossboard has the same angle behind the entire work width of the harrow The harrow should be in the raised position when making this adjustment Cleaning and lubricating parallel grip cranks Figure 3 22 For best function the parallel grip cranks should be clea...

Страница 32: ... locking devices on the wings are set in place Close the cock on the wing folding hydraulics See Figure 4 5 or Raise the harrow from the ground until the Crossboard tines do not touch the ground Fit the stabiliser rods onto the centre section Fold down the harrow to the work position Install the stabiliser rods in the wing sections making sure they point in the direction of the harrow centre On th...

Страница 33: ...NZA 500 1000 T ST 11 07 2011 ver 2 33 3 11 4 Quick Change System accessories does not apply to model ST and T Figur 3 24 Single Knife Double Knife ...

Страница 34: ...chanism to prevent damage on the implement when reversing The working depth and angle of the tines can be easily adjusted The harrow should be in the raised position when making this adjustment Adjust the working angle by moving the cotter pin A in the series of holes B Adjust the working depth by using the cranks C Set all the cranks to the same length C A B ...

Страница 35: ...Never work under the implement when carrying out service or maintenance without ensuring that the machine is properly supported on stands or the like on a firm and level surface Also block the lifting ram of the centre section as explained below Figure 4 2 shows the recommended placement of the trestles Figure 4 2 ...

Страница 36: ...locking pins Check that the locking pins are not defective Replace the pins if they are found to be defec tive When for example replacing the tines on the wings with the implement folded down the cock for the wing folding action should be set to position 0 Figure 4 5 In connection with service or repair work on the hydraulic system the wings must be lowered and the cultivator lowered to the ground...

Страница 37: ...mally require any maintenance but check that hoses and cou plings have not been damaged To preserve the high quality of the cultivator always use genuine Väderstad spare parts 4 3 The stretching screw of the turn buckle Figure 4 7 Applies to NZA 700 1000 When the harrow is used for the first time the stretching screw A between the turn buckle and the ram bracket on the centre section must be tight...

Страница 38: ...lies to NZA 900 1000 A Release the pressure in the hydraulic hoses B Detach the hydraulic hoses connected to the valve block C Unscrew the valve block from the piston support D Dismantle the entire valve block and clean all parts in paraffin or similar solvent Blow dry with compressed air E Lubricate all the internal parts with oil Check that the slide in the valve moves freely without binding Ass...

Страница 39: ...t season and at regular intervals after that regelbundet 1 Lift the wheel off the ground 2 Feel the wheel the wheel must be tensioned if you can you feel any play 3 Remove the hub cap 4 Slacken the tension pin 5 Tighten the castle nut carefully with a hand tool 6 Feel that the wheel rolls easily without any play 7 Lock using the roll pin 8 Mount the hub cap 9 Lubricate until grease comes out 2 3 5...

Страница 40: ...12 A Loosen and screw out the piston rod guide A using the caliper spanner B B Withdraw the piston rod The seal can now be changed NOTE Take great care to ensure that the seals face the right way round C Carefully check that tubular casing C is not scratched or scored D Fit in reverse order When changing the ram seals the overbleed groove or holes should always be cleaned with fine emery cloth alo...

Страница 41: ...se action valve on page 24 4 9 1 If the wing sections change relative to the centre section D Check the couplings for leakage E Check that there is no air in the hydraulic system F If necessary change the seals on the master ram see 4 8 Changing the ram seals on page 40 4 10 Bleeding the hydraulic system for depth control To bleed the hydraulic system it is not necessary to unscrew any couplings Y...

Страница 42: ...es When the first ram has been filled with fluid the fluid is pressed further via an overbleed valve to the other ram which is then filled with fluid The fluid is then pressed further to the third ram and so on NOTE Do not use the float position of the tractor s double acting hydraulic system If the float po sition is used air could be sucked into the cultivator s hydraulic system Make a habit of ...

Страница 43: ...NZA 500 1000 T ST 11 07 2011 ver 2 43 4 12 Lubrication points Figure 4 13 x 2 x 2 x 2 x 3 x 2 x 2 NZA 500 600 ...

Страница 44: ...Maintenance and service 44 11 07 2011 ver 2 Figure 4 14 x 4 x 4 x 1 x 3 x 2 NZA 700 1000 ...

Страница 45: ...NZA 500 1000 T ST 11 07 2011 ver 2 45 5 Attachment 5 1 Hydraulic schematic diagram Figure 5 1 NZA 500 ST Figure 5 2 NZA 600 600 T ...

Страница 46: ...Attachment 46 11 07 2011 ver 2 Figure 5 3 NZA 700 800 Figure 5 4 NZA 900 1000 ...

Страница 47: ...port height m 2 45 2 95 2 95 Weight kg 2050 2880 2400 Number of harrow tines 65 79 79 Power requirement kW approx 65 95 75 Mounted implement weight of tractor kg 160 180 180 Table 5 2 Machine NZA 700 NZA 800 NZA 900 NZA 1000 Work width m 7 0 8 0 9 0 10 0 Transport width m 3 60 3 60 3 90 3 90 Transport height m 3 15 3 65 3 95 4 45 Weight kg 3400 4200 4400 4900 Number of harrow tines 93 105 121 133 ...

Страница 48: ...Attachment 48 11 07 2011 ver 2 ...

Страница 49: ......

Страница 50: ...590 21 VÄDERSTAD S 590 21 VÄDERSTAD SWEDEN Telefon 0142 820 00 Telephone 46 142 820 00 Telefax 0142 820 10 Telefax 46 142 820 10 www vaderstad com ...

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