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DALBO MEGAROLL 2130 Manual

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MEGAROLL
EN
2130 and 2430
Series no.: 100000-XXXXXX

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Summary of Contents for DALBO MEGAROLL 2130

  • Page 1 MEGAROLL 2130 and 2430 Series no.: 100000-XXXXXX...
  • Page 3 Congratulations on your new MEGAROLL. For safety reasons and to achieve the best possible use out of your machine, you should read through these user instructions carefully before using the machine. © Copyright 2010. All rights reserved DALBO A/S. Your MEGAROLL information: Type no.: Serial no.:...

  • Page 4: Table Of Contents

    MEGAROLL Table of Contents Safety ....................................4 General ..................................4 Hydraulics .................................. 5 Installation ................................. 5 Maintenance and repair ............................5 Driving on roads ................................. 6 Correct use ................................. 6 Technical Data ................................7 How to Read this Instruction Manual ........................... 8 Delivery ..................................
  • Page 5 MEGAROLL Hydraulics ................................26 Replacements and Repairs ............................27 Hydraulics ................................27 Replacement of cylinders ........................... 27 Replacement of the gaskets ..........................29 Uninstalling/installing of wheels ........................... 30 Replacing the bearings ............................30 Dismantling the roller shafts ..........................31 Replacement of the shafts on the three outermost side sections on either side ......... 31 Replacement of shafts on the three middle sections ..................

  • Page 6: Safety

    MEGAROLL Safety This symbol is used throughout the instruction manual each time advice is given concerning your safety, the safety of other users or the safe use of the machine. All safety instructions must be observed and made available to all users of the machine.

  • Page 7: Hydraulics

    MEGAROLL Hydraulics Prior to any repair work on the hydraulics unit, the machine must be lowered to the ground, the pressure must be removed from the unit, the engine must be switched off and the ignition key must be removed. Hydraulic connections must be cleaned thoroughly before connecting.

  • Page 8: Driving On Roads

    MEGAROLL Driving on roads When driving on public roads, all safety arrangements and warnings required by law must be installed and tested. The driver is responsible for the correct use of lights and compliance with traffic signs in accordance with the relevant country’s applicable traffic laws. With regards to the dimensions of the machinery, the driver must enquire with the relevant traffic authorities to ensure that the MEGAROLL may be transported on public roads.

  • Page 9: Technical Data

    MEGAROLL Technical Data MEGAROLL Size (cm) 2130 2430 HP (recommended) Min. 250–350 Min. 300–400 Gross weight in kg: Cambridge Snowflake 20750 21690 Sections (pieces) Hydraulic requirements: 3 DV Extra equipment Air brakes It is possible for a smaller tractor to pull the roller, if it is able to make firm contact with the ground and complies with the weight requirements for the steering wheels.

  • Page 10: How To Read This Instruction Manual

    MEGAROLL How to Read this Instruction Manual It is possible that the order in which the topics are listed may not appear as logical. Please refer to the table of contents, where the headings for the relevant topics can be found. The main points contained in this instruction manual are divided into 13 key sections: Safety Technical Data...

  • Page 11: Use

    MEGAROLL The MEGAROLL is a heavy roller, specifically designed to follow the surface of the ground, in the best possible way, across the entire working width. Fig. 1 The MEGAROLL is a nine-piece roller, whereby the sections move independently of each other. The machine is equipped with hydraulic weight distribution, which ensures even distribution across all the sections, even over slightly uneven terrain.

  • Page 12: Connecting And Disconnecting

    MEGAROLL Connecting and Disconnecting Connecting Fig. 2 1. The MEGAROLL is connected to the tractor’s fixed drawbar, whereby the towing eye (A) must be between the drawbar’s forks. 2. The tow bar pin must be inserted and secured with a linchpin 3.

  • Page 13: Hose Markings

    MEGAROLL Hose markings Cylinder name Colour Outlet Function El. control box, no switches Together with the accumulator, they are activated - Hydraulic stone White to dampen the pendle frames in order to Single-acting protector 5 innermost none prevent impact and breakage to the sections frames.

  • Page 14: Settings

    MEGAROLL Settings The MEGAROLL is factory-set upon delivery, but fine tuning will always be necessary before usage. Different adjustment options make your MEGAROLL more versatile and allow for optimal use of the machine. Towing height adjustment Fig. 4 In order to achieve a unified compression of the field, the main frame/tow bar and the middle section must be horizontal to the surface in the working position.

  • Page 15: Adjustment Of The Central Section

    MEGAROLL Adjustment of the central section Fig. 6 With the MEGAROLL unfolded on an even surface (see "Driving and operating"), you must check that the middle frame (A) is horizontally aligned with the tow bar and the surface, in the direction of driving. This must be performed after the tow bar has been adjusted and with the MEGAROLL connected to the tractor.

  • Page 16: Driving And Operating

    MEGAROLL Driving and Operating Proper operation is important in order to get optimal performance from your MEGAROLL. This applies not only to working in the field but also in terms of safety. It is therefore crucial that you are thoroughly familiar with the safety precautions relating to the machine.
  • Page 17 MEGAROLL Fig. 9 3. Activate the tilt cylinder and lower the roller to the ground (hose marked with white → activated by switch 2). Fig. 10 4. Activate the cylinders for unfolding and folding of the outermost side frames and unfold the side sections completely (hose marked with white →...

  • Page 18: Folding

    MEGAROLL Folding It is important to raise the rear/middle section before folding of side frames is started, in order not to overload the section and its cylinder. Fig. 13 1. Activate the cylinders for the hydraulic weight distribution and release the pressure so the manometers (A and B) show 0, or close to it (hoses marked with red and yellow).
  • Page 19 MEGAROLL Fig. 16 4. Activate the tilt cylinder and raise the roller from the ground (hose marked with white → activated by switch 2). Fig. 17 5. Activate the cylinders for unfolding and folding of the innermost side frames and fold the side sections in (hose marked with red).

  • Page 20: Adjustment Of The Hydraulic Suspension Of The Pendle Frames

    MEGAROLL Adjustment of the hydraulic suspension of the pendle frames The hydraulic suspension of the five middle pendle frames is designed to relieve rings and frames from hard impacts and loads, which might occur during driving in fields from stones and undulations. Fig.

  • Page 21: Adjustment Of The Hydraulic Weight Transfer

    MEGAROLL Adjustment of the hydraulic weight transfer The hydraulic weight transfer distributes the weight evenly across all of the nine sections of the roller. This also applies to the five middle sections, where hydraulic suspension is mounted. After the roller is unfolded, and resting on the ground in the working position, release the out of the unfolding and folding cylinders (hose marked with red), after which activate the operating levers for the unfolding and folding cylinders, as well as the cylinder for the outermost weight distribution in the opposite direction (hose marked with yellow).

  • Page 22: Driving Speed

    All accumulators in the machine must, at least once a year, be checked for leaks, and that the preloading pressure is correctly adjusted. Contact an authorised DALBO dealer for further information. Driving speed It is recommended to drive the machine at 6–10 km/h, but driving should always be carried out according to prevailing conditions.

  • Page 23: Troubleshooting

    MEGAROLL Troubleshooting Problem Cause Trouble-shooting Activate the hydraulic lever for Too little pressure is unfolding/folding in such a way that it creates being transferred to the more pressure on the side sections (see side sections “Driving and operating”). The central section is pressing too much Adjust the drawbar and mid-section (see The drawbar is too high...

  • Page 24: Maintenance

    MEGAROLL Maintenance Good maintenance ensures a long life for the MEGAROLL and therefore optimal use of the machine. Grease nipples have therefore been installed in places where the wear is greatest. All screw connections must be tightened after the first day of work. Cotter pins and bolts should be checked to avoid mechanical failure.
  • Page 25 MEGAROLL Fig 22 Fig 23...
  • Page 26 MEGAROLL Fig. 24...

  • Page 27: Adjustments

    MEGAROLL Adjustments Adjustment of the rings During adjustment of the rings, gloves and hearing protection must be used After the first season, the rings will have worked themselves slightly loose on the shaft. By moving the stop rings on the shaft, the rings can be clamped together to remove any slack in the rings. Adjustment of the three middle sections is performed differently than the remaining roller sections, as these are suspended differently.

  • Page 28: Wheels

    MEGAROLL Wheels When changing the wheels, gloves that are approved for pressurised grease must be used, if exposure to such is likely. The wheel bearing must be lubricated and adjusted once a year. Also, ensure that tyres are inflated to the correct pressure (see tyres).

  • Page 29: Replacements And Repairs

    MEGAROLL Replacements and Repairs Safety is crucial with regard to all repair work on the MEGAROLL. The following points must therefore be observed at all times, as well as the safety points previously mentioned at the beginning of this instruction manual. All maintenance and repair work on the MEGAROLL must be conducted only when the machine is lowered to the ground or, is set in transport mode, the tractor's break is engaged, the engine is switched off and the ignition key is removed, so that the...
  • Page 30 MEGAROLL 6. Refit the hoses. After fitting, ensure that there is no risk of tearing or clamping of the the hoses. 7. Before using the machine again, the replaced cylinder(s) must be vented by moving them from outer position to outer position. For cylinders with a manometer in the circuit, you must ensure that no pressure is displayed on the manometer before the replacement is carried out.

  • Page 31: Replacement Of The Gaskets

    MEGAROLL Replacement of the gaskets Fig. 27 General diagram of a cylinder 1. To dismount a cylinder, see “Replacement of cylinders”. 2. Empty the cylinder of oil by moving the piston back and forth carefully. 3. Move the piston into the middle position, then unscrew the end cap (pos. 3) from the cylinder tube (pos.

  • Page 32: Uninstalling/Installing Of Wheels

    MEGAROLL Uninstalling/installing of wheels 1. Dismounting and mounting of wheels must be carried out with the MEGAROLL folded. 2. Lift and support the wheel to be replaced from the ground, so there is no risk of the bogie falling down when the wheel is removed 3.

  • Page 33: Dismantling The Roller Shafts

    MEGAROLL Dismantling the roller shafts Carry out the repair on a flat surface with the MEGAROLL connected to a tractor and unfolded with the rings resting on the ground. It would be a great help to have a crane or something similar available for both the disassembly and installation.

  • Page 34: Three Middle Sections

    MEGAROLL Fig. 31 1. Loosen the set screws in the bearings and pull off the bearings (A) from the shaft. 2. Loosen the bolts in the stop rings and pull off the stop rings (B). 3. The roller rings can now be pulled off the shaft. 4.

  • Page 35: Disposal

    MEGAROLL Disposal The MEGAROLL must be unfolded. It is crucial to release the pressure from all the cylinders. With disassembly/dismounting, attention should be directed towards the weight of the part concerned. It is therefore important that this part is supported or lifted up, so there is no risk of collapse.

  • Page 36: Hydraulics Diagram

    MEGAROLL Hydraulics Diagram...

  • Page 37: Spare Parts

    MEGAROLL Spare Parts...
  • Page 38 MEGAROLL...

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Megaroll 2430

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