Major CYCLONE MJ30-920 Operator's Manual & Parts List
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Major CYCLONE MJ30-920 Operator's Manual & Parts List

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Operators Manual & Parts List
CYCLONE
HEAVY DUTY MOWER
MJ30-920
CYCLONE

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Summary of Contents for Major CYCLONE MJ30-920

  • Page 1 Operators Manual & Parts List CYCLONE HEAVY DUTY MOWER MJ30-920 CYCLONE...
  • Page 2 Major reserves the right to modify the machinery and the technical data contained within the manual without prior notice. Further to this, Major assumes no liability for any damages which may result from the use of the information contained within this manual.

  • Page 3: Table Of Contents

    Operating the Machine/Mowing Additional adjustments Roller and skid setup Castor wheel Maintenance Machine storage PTO Shaft Maintenance Transmission Bolts Roller Replacement of wear parts Clearing out a blockage Wing shafts alignment Troubleshooting Lubrication schedule Spinning Undersole Disk (if applicable) www.major-equipment.com...
  • Page 4 MJ30-920 Overview MJ30-920 Body Assembly MJ30-920 WIng Assembly Front Guards assembly MJ30-920 Wheel mounting bracket set (CYC-CW-WGKIT4) Wheel kit assembly (CYC-CW-50) MJ30-920 Blade assemblies Spinning Undersole Disk Assembly (USD-GA1) PTO Shaft (607393) MT301B - 301.058 - 1.35 LF140J-140.886-1 (140.881) www.major-equipment.com...

  • Page 5: Thank You

    (see “Product Specifications” section of this booklet) and driven by an adequate drive-line of the tractor PTO. All other use is strictly prohibited. Major will not be held responsible for any loss or damage caused due to a misuse of the machine.

  • Page 6: Tractor Requirements

    Any exposed, rotating machine component is a potential wrap point. Injuries usually occur when loose clothing or long hair catch on and wrap around rotating parts such as PTO shafts or Drive shafts on the machine. Ensure all guarding is present. www.major-equipment.com...

  • Page 7: Operating Safely

    Operating Safely This MAJOR machine is designed to operate at a PTO rate which is stated in the Product Specifications part of this booklet. Ensure tractor PTO output is set at a correct RPM rate. This MAJOR machine must only be used for purposes outlined in the Intended Use section of this booklet.

  • Page 8: Workstation

    • Trim and chamfer the two cut ends of the PTO and clean off all swarf and shavings. • Grease the two profiles and join the two halves of the PTO together. • Mount the PTO shaft and check that its length is correct as before. www.major-equipment.com...

  • Page 9: Driving Safely On Public Roads

    4. It is mandatory to read all the safety requirements and the operator’s manual of the machine. 5. If you are not sure how to use the machine, please contact the manufacturer or the dealer. www.major-equipment.com...

  • Page 10: Inspections Before Use

    Always ensure the pins lock the PTO shaft yoke ends onto the spline shafts on both the tractor and the implement. An unlocked shaft could slip out of position, causing notable mechanical damage and serious injury to both operator and bystanders. www.major-equipment.com...

  • Page 11: Product Identification

    Machine Serial Numbers If you need to contact MAJOR or your MAJOR dealer for information on servicing or spare parts, always provide the product model and serial numbers. Model and Serial number can be found on the Serial Plate located on the machine.

  • Page 12: Eec Certificate Of Conformity For Machines

    EN ISO 13857 - Safety of machinery: Safety distances to prevent hazard zones being reached by upper and lower limbs. I hereby certify on behalf of Major Equipment Int. Ltd., that this machine when properly installed and operated correctly, complies with all the essential Health & Safety requirements of all legislation referred to above.

  • Page 13: Machine Safety Labels

    Maximum PTO input Moving parts Do not engage drive while in transport position ATTENTION DURING THE OPERATION THE FRONT OF THE MACHINE MUST BE SET HIGHER THAN THE REAR Machine setup Check wheel nuts daily www.major-equipment.com...

  • Page 14: Key To Main Parts

    Key to Main Parts Body Transmission cover A-Frame Gearbox PTO cover Rear roller Strap/Chain Roller height indicator Skid Rubber skirt Guards Wheel Wing Blade www.major-equipment.com...

  • Page 15: Blade Rotation

    THE INFORMATION CONTAINED IN THIS DRAWING IS THE PROPERTY MAJOR OF MAJOR EQUIPMENT INTL. LTD. Vendor: ANY REPRODUCTION IN PART OR A WHOLE WITHOUT THE WRITTEN www.major-equipment.com PERMISSION OF MAJOR EQUIPMENT INTL. LTD. IS PROHIBITED. Quantity Date Stock Code: Rev. Drawing No.

  • Page 16: Blade System

    2 Gearbox output shaft 8 Blade pivot bush 3 Gearbox split pin 9 Blade 4 Blade back 10 Undersole disk 5 Blade back bolt 11 Overlap Blade 6 Blade back spacer Drive-line gearboxes Rotor gearbox Oil filler plug Oil level plug www.major-equipment.com...

  • Page 17: Operating The Machine

    4. Check the PTO shaft for length as described previously. Connect the PTO shaft. Ensure PTO check chains are anchored to prevent PTO guarding from rotating. 5. Connect the hydraulic hoses to the appropriate connections (selected models only). www.major-equipment.com...

  • Page 18: Transport Position

    During transport move the Ram Stops up and secure with pins. During transport make sure that the Transport Lock Bar is positioned as shown (front and back on each wing). www.major-equipment.com...

  • Page 19: Operating The Machine/Mowing

    6. Start up the tractor PTO at a low RPM. 7. Build up to operating speed, select a suitable forward gear & proceed to cut grass. Move Ram Stops down for mowing. Ram Stops limit the wing lift and prevent damage to wing PTO shafts and gearboxes. www.major-equipment.com...

  • Page 20: Additional Adjustments

    Lift the tractors arms about 3 to 4 inches upwards so the front of the deck is at a higher pitch then the rear. Roller Skid Skid adjustment slots Roller height adjustment slots Roller pivot arm GROUND LINE NOTE: Front of the machine must be at a higher pitch than the rear. www.major-equipment.com...

  • Page 21: Castor Wheel

    Repeat the steps for all other wheels on the machine. Castor wheel arm Castor wheel yoke Castor wheel Castor wheel arm mounting bolts Castor wheel yoke mounting bolts www.major-equipment.com...

  • Page 22: Maintenance

    Maintenance In order to keep your Major machine in a good working order it is necessary to conduct maintenance on a regular basis. Only competent and skilled persons who have fully read and understood this operator’s manual are allowed to carry out maintenance on this machine. It is important to replace worn parts immediately with genuine Major spare parts.

  • Page 23: Transmission Bolts

    Blades, blade backs, blade bushing, blade bolts and nuts must be checked on a regular basis for wear and defection. MAJOR recommends to visually check the blade assemblies every 40 hours of operation. This interval may change depending on the operational conditions.

  • Page 24: Troubleshooting

    Check PTO rate & adjust as necessary Noisy machine Rotors bent / broken Replace bent or missing blades Check PTO shafts are aligned correctly Bent PTO shaft Check output shaft on gearboxs are not bent Check driveline between gearboxes is aligned. www.major-equipment.com...
  • Page 25 Replace seal or use a sealant on outside diameter Gearbox leaking Oil seal not sealing in the housing of seal Oil level too high Drain oil to proper level Hole in gearbox Replace the gearbox Gasket damaged Replace gasket Bolts loose Tighten bolts www.major-equipment.com...

  • Page 26: Lubrication Schedule

    • Remove the assembled Spinning Undersole Disk (USD-GA1) from the machine; • Remove seal (Item 7); • Tighten up the lock nut (Item 8) if required; • Place the seal back in position; • Bolt the assembled unit (USD-GA1) back to the machine. USD-GA1 www.major-equipment.com...

  • Page 27: Spare Parts - Cyclone

    THE INFORMATION CONTAINED IN THIS DRAWING IS THE PROPERTY MAJOR OF MAJOR EQUIPMENT INTL. LTD. Vendor: ANY REPRODUCTION IN PART OR A WHOLE WITHOUT THE WRITTEN www.major-equipment.com PERMISSION OF MAJOR EQUIPMENT INTL. LTD. IS PROHIBITED. Quantity Date Rev. Drawing No. Route:...

  • Page 28: Mj30-920 Body Assembly

    MJ30-920 Body Assembly www.major-equipment.com...
  • Page 29 www.major-equipment.com...
  • Page 30 WING PIVOT EYE 18 CYC-USLK08 CHAIN MOUNT 8 MJ30-920-ROLB20 BUFFER AXLE BODY ROLLER 19 CYC-USLK20 EXTENDED CAT 3 LINKAGE 9* MJ30-920-STRP01 920 CHAIN SLING 20 CYC-USLK21 EXTENDED CAT 3 LINKAGE 10 MOT75-75 MOT75x75 BUFFER 21 DRV-RC-423 5500MT WING DRIVE TUBE www.major-equipment.com...
  • Page 31 M8 SP NORDLOCK 70 1x6FBZP 1"x6" FINE BOLT 122 S8861 SHEAR PIN DIA 28x123mm 71 3026 TOP LINK PIN (CAT 3, 32 x 125mm) *- Further breakdown provided 72 57316B1 M16 AXLE STUD NUT 73 73 CAT 1 PIN DIA 19x76mm www.major-equipment.com...

  • Page 32: Mj30-920 Wing Assembly

    MJ30-920 WIng Assembly Right hand wing shown www.major-equipment.com...
  • Page 33 Right hand wing shown www.major-equipment.com...
  • Page 34 M20 SP NORDLOCK 39 1/2F 1/2" FINE NYLOC NUT 81 NL8SP M8 SP NORDLOCK 40 111047 DIA 40 (1-3mm) INSERT 82 OB253230 PLAIN OILITE BEARING BUSH 41 1/2HEX10.9 1/2HEX10.9 83 S77 CAT 1 PIN DIA 19x127mm *- Further breakdown provided www.major-equipment.com...

  • Page 35: Front Guards Assembly Mj30-920

    THE INFORMATION CONTAINED IN THIS DRAWING IS THE PROPERTY MAJOR OF MAJOR EQUIPMENT INTL. LTD. Vendor: ANY REPRODUCTION IN PART OR A WHOLE WITHOUT THE WRITTEN www.major-equipment.com PERMISSION OF MAJOR EQUIPMENT INTL. LTD. IS PROHIBITED. 3 MJ30-920-GRD14 GUARD RUBBER CLAMP Route: Quantity Date Stock Code: Rev.
  • Page 36 THE INFORMATION CONTAINED IN THIS DRAWING IS THE PROPERTY MAJOR OF MAJOR EQUIPMENT INTL. LTD. Vendor: ANY REPRODUCTION IN PART OR A WHOLE WITHOUT THE WRITTEN www.major-equipment.com PERMISSION OF MAJOR EQUIPMENT INTL. LTD. IS PROHIBITED. 5411001 DIA 55xDIA100.5mm WIPE SEAL Rev. Drawing No. Route:...

  • Page 37: Wheel Mounting Bracket Set (Cyc-Cw-Wgkit4)

    THE INFORMATION CONTAINED IN THIS DRAWING IS THE PROPERTY MAJOR WEIGHT = 90.4 kg OF MAJOR EQUIPMENT INTL. LTD. Vendor: ANY REPRODUCTION IN PART OR A WHOLE WITHOUT THE WRITTEN www.major-equipment.com PERMISSION OF MAJOR EQUIPMENT INTL. LTD. IS PROHIBITED. Rev. Drawing No. Scale Route: Drawn Title...

  • Page 38: Mj30-920 Blade Assemblies

    17 DSW34 DISC SPRING 34x16.3x2 18 M16 M16 NYLOC NUT 19 M16x50BZP M16x50 BOLT 20 M20 M20 NYLOC NUT 21 M20x70BZP M20x70 BOLT 22 SC509008 SEAL 50x90x08 23 SC509008 SEAL 50x90x08 * - further breakdown provided 5 off MJ30-920 www.major-equipment.com...
  • Page 39 17 DSW34 DISC SPRING 34x16.3x2 18 M16 M16 NYLOC NUT 19 M16x50BZP M16x50 BOLT 20 M20 M20 NYLOC NUT 21 M20x70BZP M20x70 BOLT 22 SC509008 SEAL 50x90x08 23 SC509008 SEAL 50x90x08 * - further breakdown provided 5 off MJ30-920 www.major-equipment.com...

  • Page 40: Spinning Undersole Disk Assembly (Usd-Ga1)

    DIA 90 INT CIRCLIP DK90-10 DUST CAP 90x10 KM10 M50x1.5P LOCK NUT M10 NYLOC NUT 10 M10x30SKBH M10x30 SK BTN HD 12.9 11 MB10 DIA 50mm LOCK TAB 12 USD-002 UNDERSOLE SAUCER 13 USD-003 BEARING SHAFT FAB 14 USD-010 BEARING HOUSING www.major-equipment.com...

  • Page 41: Pto Shaft (607393)

    22 153207 Drive-in type lubrication fitting 91 117291 Prohibitive decal - 23 168279 Inboard yoke 1 RG2600-S5 high-pressure cleaner 24 304578 Spring-type straight pin 2 ISO8752-13x95 25 691436 Plug 1 S5 26 135883 Profile tube; hardened 1 S5H-1000 www.major-equipment.com...

  • Page 42: Mt301B - 301.058 - 1.35

    0.301.1300.00 EXTENSION 8.6.5.00006 PLUG EXTERNAL 3/8"GAS 0.301.1302.00 COVER 8.6.5.00203 PLUG 1/2"GAS 0.301.2000.00 SHAFT 1"3/4 Z6 8.7.3.00331 OIL SEAL 45x85x10 NBR 0.301.3004.00 SHAFT 1"3/8Z6 8.7.3.01296 OIL SEAL 55X90X10 0.301.5001.00 PINION Z20 M7 0.301.6001.00 CROWN WHEEL Z27 M7 www.major-equipment.com www.major-equipment.com Page 38...

  • Page 43: Lf140J-140.886-1 (140.881)

    SNAP RING HOLE 72 UNI7437 23 8.0.1.00870 BALL BEARING 6207 10 8.7.1.00152 DUST LIP SEAL 35X72X10 251 8.4.7.00146 COTTER PIN B6X60 11 0.140.2007.00 SHAFT 1" 3/8 252 8.6.7.00269 BREATHER PLUG 1/2"GAS 12 0.132.7107.00 CASTLE NUT M40X1.5 13 0.132.6002.00 GEAR Z18 M6.15 www.major-equipment.com...
  • Page 44 Notes: www.major-equipment.com...
  • Page 45 All MAJOR machines must be registered when sold, to ensure that you receive the correct warranty cover and service bulletins. To register your machine for warranty, please go to the SALES & SUPPORT section of our website www.major-equipment.com and enter your details.
  • Page 46 Ballyhaunis, Co. Mayo, F35 C891, Ireland Tel: + 353 (0) 9496 30572 info@major-equipment.com UK Office Major Equipment Ltd Major Ind. Estate, Heysham, Lancs, LA3 3JJ, UK Tel: + 44 (0) 1524 850501 ukinfo@major-equipment.com Netherlands Office Major Equipment Intl Ltd (EU)

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