Advertisement

NZ Aggressive
series
NZA 600-1000
NZA 500ST
Manufacturing No.24732-
NZA 600T
Instructions
902616-en
13.12.2012
ver. 1
Original instructions

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the NZ Aggressive NZA 600 Series and is the answer not in the manual?

Questions and answers

Summary of Contents for Vaderstad NZ Aggressive NZA 600 Series

  • Page 1 NZ Aggressive series NZA 600-1000 NZA 500ST Manufacturing No.24732- NZA 600T Instructions 902616-en 13.12.2012 ver. 1 Original instructions...
  • Page 2 13.12.2012 ver. 1...
  • Page 3: Table Of Contents

    NZA 500-1000 /S/T/ST Safety rules Before using the cultivator ..............7 Warning decals ................... 7 Other safety rules ................8 Location of warning decals on the machine ..........8 Data plates ..................9 Moving the machine when not hitched to a tractor ......... 11 Assembly Instructions Lifting and unloading .................
  • Page 4 13.12.2012 ver. 1...
  • Page 5 NZA 500-1000 /T/ST INTRODUCTION The NZ Aggressive is a rugged sowing bed harrow designed for efficient, heavy-duty working of the soil. The harrow has a tine pitch of 7.5 cm distributed on 5 axles, making it very accommoda- ting. The ample wheel fitting ensures excellent bearing capacity. The front Crossboard crushes clods and levels the field.
  • Page 6 EC DECLARATION OF CONFORMITY FOR THE MACHINE in accordance with the EU Machinery Directive 2006/42/EC Väderstad-Verken AB, P.O. Box 85, SE-590 21 Väderstad, SWEDEN hereby confirms that the cultivation tools hereunder 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...
  • Page 7: Safety Rules

    NZA 500-1000 /T/ST Safety rules Before using the cultivator Figure 1.1 ! Read the instructions carefully and make sure you understand them. ! Always pay extra attention to the instructions or diagram when you see this symbol! ! Learn to handle the implement carefully and correctly! The implement could be dangerous in the wrong hands and if used without taking proper care.
  • Page 8: Other Safety Rules

    Safety rules Other safety rules NZA 500-1000 Figure 1.3 ! Always keep the reversing valve of the wing folding hydraulic ram closed during transport on the road or whenever persons are in close proximity to a folded up wing section, e.g. when re- placing tines.
  • Page 9: Data Plates

    NZA 500-1000 /T/ST Data plates ! The machine is equipped with either a combination of signs 1.5.1, Serial number plate, and 1.5.2, CE plate, or 1.5.3, Machine label. 1.5.1 Serial number plate Figure 1.5 Type No. Manufacturing No. 1.5.2 CE plate Figure 1.6 Working width Transport width...
  • Page 10 Safety rules 1.5.3 Machine label Figure 1.7 Machine type Manufacturing serial number (Always state the serial number of your machine when ordering spare parts and in case of serv- icing or warranty claims.) Year of manufacture Working width Transport width Tare weight of the basic machine Maximum total weight Maximum permitted payload...
  • Page 11: Moving The Machine When Not Hitched To A Tractor

    NZA 500-1000 /T/ST Moving the machine when not hitched to a tractor NOTE! If the machine must be moved when not hitched to a tractor,it must be transported on a ma- chine trailer or lorry flatbed! The machine must be rolled onto and off the transport vehicle using a tractor. Lifting with a crane is prohibited! 1 Set the machine to the transport position;...
  • Page 12 Safety rules 11.07.2011 ver. 2...
  • Page 13: Assembly Instructions

    NZA 500-1000 /T/ST Assembly Instructions Never work under the implement during loading, unloading or installation work. Pay close atten- tion to safety! The implement is very heavy. Only use lifting devices that have sufficient lifting capacity. For weight indications, see ”5.2 Technical Data” on page 47. On delivery, the implement may be incompletely assembled in a state that varies with the method of transport, etc.
  • Page 14: Fitting The Drawbar

    Assembly Instructions Fitting the drawbar Figure 2.3 Fit 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.
  • Page 15: Fitting Supplementary Sections (Option)

    NZA 500-1000 /T/ST Fitting supplementary sections (option) Figure 2.4 Table 2.1 NZA 800 NZA 700 + 0,5 m + 0,5 m NZA 1000 NZA 900 + 0,5 m + 0,5 m 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.
  • Page 16: Fitting The Spring For The Reverse-Action Valve

    Assembly Instructions Fitting the spring for the reverse-action valve 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”...
  • Page 17: Fitting The Rear Crossboard (Option)

    NZA 500-1000 /T/ST Fitting the rear Crossboard (option) Figure 2.6 The Crossboard sections should be screwed onto the brackets on the harrow frame. They can be fitted at two different height positions. The figure shows the standard fitting. NZA 500-600 Figure 2.7 Fit the parallel rods between the lifting arms on the front and rear Crossboards.
  • Page 18: Fitting The Following Harrow

    Assembly Instructions Fitting the following harrow Figur 2.8 Figur 2.9 The following harrow thills should be screwed into the brackets on the harrow frame or in the brackets on the rear Crossboard. They can be fitted at two different height positions. In the stand- ard configuration, the thills should be set in the lower positions.
  • Page 19: Fitting The Connecting Drawbar (Option)

    NZA 500-1000 /T/ST 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! 11.07.2011 ver.2...
  • Page 20 Assembly Instructions 2.9.1 Fitting the draw-bar hoses onto the NZA 500-600 Figure 2.13 Remove the hydraulic hoses 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.
  • Page 21: Instructions And Adjustments

    NZA 500-1000 /T/ST Instructions and adjustments NOTE! All basic settings and adjustments must always be made on a level surface with the culti- vator hitched to the tractor and the wing sections lowered. Hitching the cultivator Figure 3.1 Hitch the harrow to the tractor. Lift and secure the support leg. Connect the hydraulic hoses.
  • Page 22: Verifying The Drawbar Eye Of The Implement

    Instructions and adjustments Verifying the drawbar eye of the implement Min. 24 mm Min. 24 mm Figure 3.2 The implement has a reversible and replaceable drawbar eye. Side A of the drawbar eye is intend- ed for connecting a hitch hook, while side B is intended for connecting an agricultural drawbar. Be sure to replace the drawbar eye when excessively worn.
  • Page 23 NZA 500-1000 /T/ST 3.3.3 Automatic locking devices NZA 500-800 NZA 900-1000 Figure 3.3 It is important for the locking device to be well greased at the indicated points to be sure that it will operate efficiently. Check to make sure the folding ram(s) is(are) completely extended when the harrow is in the work position.
  • Page 24: Adjusting Hose Length

    Instructions and adjustments Adjusting hose length Figure 3.5 Figure 3.6 The cultivator is equipped with an adjustable hose clamp. Adjust the hoses to a suitable length and tighten the wingnuts. When the work is completed, attach the quick connectors to the upper holes or slots in the hose holder.
  • Page 25: Adjusting The Turnbuckle

    NZA 500-1000 /T/ST Adjusting the turnbuckle Figure 3.8 Adjusting the parallel adjustment screw is done when the harrow is lowered into the work position in the field. Check that the harrow is parallel 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.
  • Page 26: Setting The Working Depth, Master And Slave Systems, Nza 600-1000

    Instructions and adjustments Setting the working depth, Master and slave systems, NZA 600-1000 Figure 3.9 After adjustment of the cultivator's longitudinal inclination by means of the turnbuckle, the master and slave system will have to be adjusted. The cultivator must be hitched to the tractor and the wing sections folded out. The working depth (for cultivating) is controlled by three hydraulic rams coupled in series in a Master and Slave system.
  • Page 27 NZA 500-1000 /T/ST Important! Figure 3.12 After fine adjustment in the field, the soil windrows in front of the Crossboard should be evenly distributed along the entire width of the cultivator. As described earlier, this fine adjustment is car- ried out by screwing in or out the piston rods on the slave rams. This adjustment is extremely important and must be carried out with great care to ensure first-class results.
  • Page 28: Setting The Working Depth And Scale

    Instructions and adjustments Setting the working depth and scale. Figur 3.14 Figur 3.15 3.8.1 Setting the working depth. The desired working depth in the field is obtained by first fully lowering the machine (hoses marked yellow), and then adjusting it with the harrow depth function (hoses marked red). When turning, for instance, the machine is raised and lowered with the normal raising/lowering function (hoses marked yellow).
  • Page 29: Setting The Working Depth, Nza 500 St And 600T

    NZA 500-1000 /T/ST Setting the working depth, NZA 500 ST and 600T Figure 3.16 Figure 3.17 Set adjuster A on the lifting ram to the position corresponding to a working depth of a few centi- metres. Cultivate with ram bracket C resting against the adjuster. Now adjust the outer wheels by means of cranks D until the tines are working at the same depth across the entire width of the cul- tivator.
  • Page 30: Crossboard

    Instructions and adjustments 3.11 Crossboard 3.11.1 Adjusting the front Crossboard Figure 3.19 Figure 3.20 Adjust while the harrow is lowered to its work position in the field. Bleed the system prior to ad- justment. See ”4.11 Bleeding the hydraulic system for the Crossboard” on page 42. Adjust the piston rod ends until the Crossboard is at the same height across the entire harrow work width.
  • Page 31 NZA 500-1000 /T/ST 3.11.2 Adjusting the rear Crossboard (option) Figure 3.21 The working angle of the rear Crossboard is adjusted using the same hydraulic system as the front Crossboard, but in this case by way of a parallel rod. The relation of the front and rear Crossboards towards each other can be adjusted using the cranks on the rods.
  • Page 32 Instructions and adjustments 3.11.3 Stabiliser rod Upon delivery of the implement, the stabiliser rods are fitted on the Crossboards. The stabiliser rods should only be disassembled in exceptional cases, such as when driving on extremely light soil or in very humid conditions. Fitting the rods Figure 3.23 Fold up the harrow.
  • Page 33 NZA 500-1000 /T/ST 3.11.4 Quick Change System (accessories, does not apply to model ST and T) Double Knife Single Knife Figur 3.24 11.07.2011 ver.2...
  • Page 34: Adjusting The Following Harrow

    Instructions and adjustments 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.
  • Page 35: Maintenance And Service

    NZA 500-1000 /T/ST Maintenance and service Securing the implement for service Figure 4.1 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.
  • Page 36 Maintenance and service 4.1.1 Securing the centre section lifting ram NZA 600-1000 NZA 500 ST Figure 4.3 Figure 4.4 NZA 600-1000: Block the lifting ram of the centre section with the yellow locking device. NZA 500 ST-600T: Pull out the lifting ram stopper as far as it will go and lock it with the locking pins.
  • Page 37: No Machine Is Better Than The Service It Receives

    NZA 500-1000 /T/ST No machine is better than the service it receives! Figure 4.6 Before using the machine, check that all nuts and bolts have been tightened (this does not apply to bolts in moving joints, such as at Crossboard, hydraulic rams, etc.). During the season, check periodically that the nuts and bolts have not worked loose.
  • Page 38: Unsynchronized Wing Folding

    Maintenance and service Unsynchronized wing folding Figure 4.8 Applies to NZA 900-1000 In the case of unsynchronized wing folding on NZA 900-1000 cultivators, the probable cause is binding of the slide inside the valve block. See ”4.5 Valve block cleaning” on page 38: Valve block cleaning Figure 4.9 Applies to NZA 900-1000...
  • Page 39: Check And Adjustment Of Play In Wheel Bearings

    NZA 500-1000 /T/ST Check and adjustment of play in wheel bearings Figure 4.10 It is of utmost importance that the play in the wheel bearings is checked and possible adjusted after the first season and at regular intervals after that.regelbundet. 1 Lift the wheel off the ground.
  • Page 40: Wheel Changing

    Maintenance and service Wheel changing Figure 4.11 Release the hydraulic pressure. Undo the nut and bolt round the uprights on the rocker tube and twist the hydraulic ram towards the drawbar. Pass a chain round the wheel axle and raise it by means of a loader or jack.
  • Page 41: Troubleshooting The Master And Slave System

    NZA 500-1000 /T/ST Troubleshooting the master and slave system If the hydraulic master and slave system for depth control of the wheels or Crossboard should start to give trouble, test the system and trace the fault as follows: Check that cultivator's snap-on coupling fits the coupling on the tractor and that neither are damaged.
  • Page 42: Bleeding The Hydraulic System For The Crossboard

    Maintenance and service 4.11 Bleeding the hydraulic system for the Crossboard To bleed the hydraulic system it is not necessary to unscrew any couplings. You quite simply use the tractor's hydraulic system. Lower the cultivator to the working position. Press out the rams. Keep the tractor's hydraulic lever in this position so that the fluid continues to be pressed out into the rams (about 1-2 minutes).
  • Page 43: Lubrication Points

    NZA 500-1000 /T/ST 4.12 Lubrication points NZA 500-600 Figure 4.13 11.07.2011 ver.2...
  • Page 44 Maintenance and service NZA 700-1000 Figure 4.14 11.07.2011 ver. 2...
  • Page 45: Attachment

    NZA 500-1000 /T/ST Attachment Hydraulic schematic diagram Figure 5.1 NZA 500 ST Figure 5.2 NZA 600, 600 T 11.07.2011 ver.2...
  • Page 46 Attachment Figure 5.3 NZA 700-800 Figure 5.4 NZA 900-1000 11.07.2011 ver. 2...
  • Page 47: Technical Data

    NZA 500-1000 /T/ST Technical Data Table 5.1 Machine 500ST 600T Work width (m) Transport width (m) Transport height (m) 2,45 2,95 2,95 Weight (kg)* 2050 2880 2400 Number of harrow tines Power requirement (kW), approx.* ** Mounted implement weight of tractor (kg)* * With mounted front and rear Crossboards and following harrow ** Power requirement indications are given in kilowatts (kW) for the tractor PTO Table 5.2...
  • Page 48 Attachment 11.07.2011 ver. 2...
  • Page 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...

Table of Contents

Save PDF