POTILA MAGNUM PLUS 1000 Operating Instructions Manual Download Page 33 | Manualshive

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33

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Open the bolts of the lever assembly and remove the levers.

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Open the body bolts.

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When disassembling the valve, pay attention to the markings
in the valve stem!

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Mark the oil channel directions on the valve stem to the valve
body with, for example, a marker pen.

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The marks must point to the same direction in both valves!

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Open the end nuts.

•

Remove the plastic bushings.

•

Mark the position of the ball before removing it from the housing!

•

Remove the stem by pushing it into the valve housing.

Disassembling the valve

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Summary of Contents for MAGNUM PLUS 1000

Page 1: ...1 POTILA OPERATING INSTRUCTIONS MAGNUM PLUS SEEDBED CULTIVATORS READ THIS MANUAL CAREFULLY BEFORE OPERATING THE SEEDBED CULTIVATOR From serial number 12 1233 onwards 6 2015 ...

Page 2: ...2 Contents 1 INTRODUCTION 4 2 SAFETY GUIDELINES 7 3 SETTING UP 11 4 HARROWING 23 5 MAINTENANCE 25 6 WARRANTY 35 EC DECLARATION OF CONFORMITY 37 ...

Page 3: ...3 1 INTRODUCTION Intended use Technical specifications ...

Page 4: ...me structure of POTILA MAGNUM PLUS seedbed cultivators enables tine spacing that allows unrestricted high flow of soil Level seedbed even on soft soil types is ensured by the tines that keep their working depth accurate working depth control and large high capacity wheels POTILA MAGNUM PLUS seedbed cultivators are available with a wide range of optional equipment to ensure optimal granular structu...

Page 5: ...ES Tine type 1145 cross section of material 11 x 45 mm Tine spacing 8 cm Wheels 340 55 16 diameter 780 mm width 350 mm Lights and reflectors Hydraulically controlled front crossboard as standard OPTIONAL EQUIPMENT Following harrow with a tine diameter of 12 mm Spiral rollers diameter 27 cm Rear crossboard controlled with front crossboard cylinders via linkage bars or individually by the tractor s ...

Page 6: ...6 2 SAFETY GUIDELINES Warnings Transport on roads ...

Page 7: ...perated Never go under the cultivator unless it is supported CRUSHING HAZARD CUTTING HAZARD Crushing and cutting hazard when raising or lowering the wing sections Cutting hazard when adjusting rear equipment Crushing and cutting hazard when hitching or unhitching the seedbed cultivator FALLING HAZARD Climbing on the seedbed cultivator frame is prohibited Do not stay on the cultivator when it is be...

Page 8: ...tions before driving on public roads When driving on public roads with the cultivator exercise caution and obey all traffic rules Before performing any maintenance on the cultivator lower the wing sections and park the cultivator on a firm level surface Before performing any maintenance on the hydraulic system position the cultivator on suitable jack stands on a firm surface Always inspect the fol...

Page 9: ... on a public road Close valve D in the control hose for wing sections before transporting the cultivator on a public road Check that the cultivator is sufficiently clean before driving on a public road Check the condition of the tyres and draw bar assembly Check that the running lights are connected and that they work Pay attention to the transport height Drive carefully and obey all traffic rules...

Page 10: ...aw bar Hitching and hydraulics Adjusting the seedbed cultivator Horizontal adjustment Middle section and wing section adjustment Depth adjustment Working depth indicator Use of the front crossboard Use of the rear equipment Troubleshooting FAQ ...

Page 11: ...itch the cultivator from the tractor tow hook but do not disconnect the hydraulic hoses from the tractor Use the wheel hydraulics control to loosen the draw bar so that the draw bar top link can be detached Disconnect the hydraulic hoses Drive the tractor away from the cultivator Attach the storage bar to the top link mounting point on the draw bar Raise the draw bar using appropriate lifting devi...

Page 12: ...ctor tow hook only Ensure that the tractor tow hook locking is closed Lift the support leg and lock it to the upper position Connect the wheel transport hydraulic hoses red to a double acting hydraulic outlet diameter 19 mm Connect the depth control hydraulic hoses blue to a double acting hydraulic outlet diameter 19 mm Connect the front crossboard wing section hoses green to a double acting hydra...

Page 13: ...n using the cultivator for the first time after a long break fully extend the piston rods of the cylinders connected in series using the wheel circuit hydraulics and keep the pressure on in the wheel circuit with the tractor s hydraulic control lever for 1 3 minutes The cylinders are fully extended when 250 mm of the front crossboard cylinder piston rods are exposed For the wheel hydraulics the co...

Page 14: ...t until they are fully extended All models are equipped with change valve assemblies that control the front crossboard wing section hydraulics Their purpose is to distribute the pressure of the same hydraulic outlet to the front crossboard cylinders or wing section lift cylinders depending on the position of the cultivator work or transport position Horizontal adjustment The cultivator s horizonta...

Page 15: ...d the middle section lowers in relation to the wing sections The end piece must be locked with the lock nut after adjustment No more than 15 mm of thread may be exposed Check this setting in the field before starting to harrow Lower the cultivator on its tines so that the mounting bolts of the cylinders have some play Shut down the tractor Pay special attention when you move between the frame of t...

Page 16: ... adjustment No more than 15 mm of thread may be exposed Also check this setting in the field Lower the cultivator on its tines so that the mounting bolts of the cylinders have some play Shut down the tractor Pay special attention when you move between the frame of the cultivator to access the end piece to be adjusted Never walk or stand on the frame ...

Page 17: ...17 WHEEL HYDRAULICS AND DEPTH CONTROL The hoses for the wheel hydraulics control circuit are marked with red The hoses for the depth control circuit are marked with blue Valve A A Valve B B ...

Page 18: ...d working depth is reached You can check the working depth from the working depth indicator The working depth is now set You do not need to use the depth control valve B B unless you want to adjust the working depth The cultivator is lifted and lowered with the wheel circuit valves A and A The line is indicated in red in the figure Hose markings Red A A Wheel hydraulics Blue B B Depth control The ...

Page 19: ...or Loosen the screws indicated with a in the figure Turn the assembly until the indicator shows the measured value Tighten the screws Check the movement of the bar Use of the front crossboard The front crossboard control only functions when the cultivator is in the working position i e the tines are in the ground The front crossboard must be adjusted so that it levels the ploughed soil and transfe...

Page 20: ...roller is used the harrowing speed can be slightly higher than when using a rear crossboard i e 8 12 km h The spiral roller and following harrow can also be used simultaneously If necessary the following harrow can be turned up and locked with a pin Suitable harrowing speed for this combination is 8 10 km h Control with a linkage bar Control with a dedicated hydraulic circuit The rear crossboard c...

Page 21: ...rs by extending the piston rods fully and keeping the pressure on for 15 seconds for a couple of times with the wheel circuit hydraulics Fully extend the piston rods of the wheel cylinders and disconnect the hoses from the tractor If the cultivator lowers over 10 mm there is an internal leak in the cylinders If this is the case please contact the manufacturer The front crossboard rear crossboard i...

Page 22: ...22 4 HARROWING a General b Driving lines ...

Page 23: ...ial attention must be paid on any obstacles in the field or field edges Drive around the obstacles or lift the cultivator and drive carefully over them If the soil surface is especially hard adjust the cultivator for the first harrowing pass so that the front crossboard levels the soil and that the working depth is only 1 2 cm Otherwise hard lumps protruding from the uneven surface can cause a tin...

Page 24: ...24 5 MAINTENANCE Key values Instructions Lubrication points Tine Bogie beam Wheel hub Hydraulics ...

Page 25: ...ning torque of the wheel bolts clearance of the wheel and bogie bearings tightening torque of the lock nuts of the cylinder end pieces Weekly maintenance Check the mounting of the tines and wheels Lubricate the hinges of the wing sections Lubricate the slide bearings of the transport axle Lubricate the joints of the wing section wheels Check for oil leaks signs of abrasion on hoses Check the calib...

Page 26: ...the hydraulic cylinders must be positioned so that a minimum amount of chromed piston rod is exposed Any exposed piston rod sections must be protected with petroleum jelly or suitable oil If necessary the draw bar assembly of the cultivator can be raised to reduce the space needed for storage If the cultivator is to be stored for a longer period of time it must be placed in a suitable shed or shel...

Page 27: ...27 Lubrication points One time in a season Every week Two times in a week ...

Page 28: ...contacts the tine axle Tighten the nut to 110 Nm Retighten the mounting bolt of the tine point after the first day of operation Replacing a tine point Tine points can be reversed and attached with the old bolt and nut if this is done before the bolt head becomes excessively worn Always replace the bolts and nuts when replacing the tine points with new ones Never hold the bolt head with your hands ...

Page 29: ...e rear end of the cultivator Use 2 jack stands per section Lower the cultivator so that it is supported by the jack stands and tow hook Lift the wheels fully up Open the lock washer tab and open the outer nut Remove the outer nut and lock washer Tighten the inner axial nut to 40 Nm Hit the bogie beam against the limiter 2 3 times Tighten the axial nut again to 40 Nm Repeat this procedure until the...

Page 30: ...remove the dust cap 12 by tapping Remove the castle nut pin 11 and tighten the castle nut 10 while rotating the wheel until you feel light resistance in the bearing Open the nut until the pin can be installed in the next slot in the nut If a nut slot is already aligned with the pin hole open the nut to align the hole with the next slot Tap the dust cap in place Press petroleum jelly into the hub u...

Page 31: ... hydraulics are connected in series ensuring that all functions controlled by these cylinders take place accurately at the same rate Rear crossboard cylinders Wing section lift cylinders Depth control cylinders Quick coupling B Depth control Quick coupling A Wheel hydraulics Quick coupling C Quick coupling DD Change valve Lock valve Front crossboard cylinders ...

Page 32: ...e of the change valve is about 90 degrees 45 degrees in both directions To adjust the control rod lift the cultivator on its wheels so that the turning lever assembly of the control valve is turned backwards Open the lock nuts of the control rod ball joint Detach the ball joint from the change valve turning lever and adjust extend or retract the control rod as necessary Attach the ball joint to th...

Page 33: ...ve stem Mark the oil channel directions on the valve stem to the valve body with for example a marker pen The marks must point to the same direction in both valves Open the end nuts Remove the plastic bushings Mark the position of the ball before removing it from the housing Remove the stem by pushing it into the valve housing Disassembling the valve ...

Page 34: ...34 6 WARRANTY ...

Page 35: ...ranty does not cover damages caused by improper use insufficient maintenance unauthorised alterations to the equipment traffic accidents or other reasons beyond the scope of inspection The warranty does not cover damages caused by using the machine with a clearly oversized tractor 4 If any defect found during the warranty period is repaired by an outside party the manufacturer shall compensate the...

Page 36: ...7 EC Declaration of Conformity ...

Page 37: ...eet the machine structure requirements provided in machine directive 2006 42 EY Furthermore the following harmonized standards were used in engineering the machine ISO 4254 1 2013 Loimaa 11th of January 2016 Vesa Mäkelä Kotimäentie 1 FI 32210 Loimaa Finland The undersigned is also qualified to compile technical documentation for the machines mentioned above This document in Finnish is the original...

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