Page 1
MJ31-200, MJ31-250, MJ31-280, MJ31-300, MJ30-420DW, MJ30-350 (HR20617+), MJ30-420 (HR20617+), MJ30-560 (HR20617+), Operator’s Manual MJ30-630, MJ30-720 CYCLONE and Parts List WARNING Read this instruction manual thoroughly before using your machine and follow all safety precautions. www.major-equipment.com...
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.
(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.
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...
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.
• 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...
Maximum transport speed of the implement is limited to 25-30km/h depending on the model of the machine (observe safety labels on the machine). Trailed Machines only (if applicable) The shaft must not reach the end of the tube or project from this. Ensure the PTO does not bottom when turning www.major-equipment.com...
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...
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.
• 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.
CHECK TIGHTNESS OF TRANSMISSION Grease points BOLTS AFTER FIRST 8 HOURS OF WORK Check bolts ATTENTION! Do not engage drive while in transport position Maximum PTO input Moving parts Do not engage drive while in transport position www.major-equipment.com...
MAJOR VIEWED FROM UNDERSIDE OF MAJOR EQUIPMENT INTL. LTD. Vendor: Forward MJ30-420DW 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. Scale Route:...
3. Connect the machine to the tractor. Ensure no one is standing between the tractor and 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...
Doing this removes pressure from the hydraulic system. Failure to use the safety equipment can cause mechanical as well as physical damage. Transport Speed of Trailed models should not exceed 25 km/h. Top Link Position Transport Position Transport Position Transport Position www.major-equipment.com...
Adjust the top link so the pin (1) is located in the middle of the slot (2). Lock the position by tightening the lock nut (3). Top links limit the wing lift and prevent damage to wing PTO shafts and gearboxes. Mowing Position Mowing Position Mowing Position www.major-equipment.com...
Adjust the length as necessary by using chain adjuster to suit your tractor. Parking stand leg must be fitted and secured with the pin before detaching machine from the tractor. D-shackle Top link Check chains Chain adjusters Parking stand Parking stand pin www.major-equipment.com...
If required, connect Check chains and adjust the check chains as described previously. Lock tractor arms in position if check chains are not used. Chain adjusters C:\VaultCAD\Designs\Cyclone\MJ30-350\MJ30-350-GA1.iam Roller Skid Skid adjustment slots Roller height adjustment slots Roller pivot arm GROUND LINE www.major-equipment.com...
Maintenance 061120 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.
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.
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...
• 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...
THE INFORMATION CONTAINED IN THIS DRAWING IS THE PROPERTY WEIGHT = 2163.6 kg 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. Stock Code: Rev. Drawing No. Scale Route: Drawn...
Page 51
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.
MAJOR OF MAJOR EQUIPMENT INTL. LTD. Vendor: ANY REPRODUCTION IN PART OR A WHOLE WITHOUT THE WRITTEN www.major-equipment.com 3 DSR-5-8 5/8" RATED 'D' SHACKLE PERMISSION OF MAJOR EQUIPMENT INTL. LTD. IS PROHIBITED. Rev. Drawing No. Scale Route: Drawn Title Sheet...
THE INFORMATION CONTAINED IN THIS DRAWING IS THE PROPERTY MAJOR MJ30-720 Rear+Front Mount 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. 15 EMMMT14 1/4" M/M/M CONNECTOR Route: Quantity Date Stock Code: Rev.
OF MAJOR EQUIPMENT INTL. LTD. Vendor: ANY REPRODUCTION IN PART OR A WHOLE WITHOUT THE WRITTEN 1 CYC-USLK01 CAT 3 LOWER LINK MOUNT www.major-equipment.com PERMISSION OF MAJOR EQUIPMENT INTL. LTD. IS PROHIBITED. Route: Quantity Date Stock Code: Rev. Drawing No.
Page 74
M16x50 BOLT M16x60BZP M16x60 BOLT M16x60BZP M16x60 BOLT 12-17-20 BS-2510-01 THREADED BUSH DIA 25 12-17-20BS-2510-01 THREADED BUSH DIA 25 2 off MJ31-250 & MJ30-250 2 off MJ31-250 & MJ30-250 2 off MJ31-200 & MJ30-200 1 off MJ31-200 & MJ30-200 www.major-equipment.com...
Page 75
4 off MJ30-560 3 off MJ30-420/420DW 3 off MJ30-420/420DW 2 off MJ30-350 After HR20617 3 off MJ30-350 After HR20617 3 off MJ30-350 Before HR20617 2 off MJ30-350 Before HR20617 2 off MJ31-280 & MJ30-280 2 off MJ31-280 & MJ30-280 www.major-equipment.com...
Page 76
4 off MJ30-560 3 off MJ30-420/420DW 3 off MJ30-420/420DW 2 off MJ30-350 After HR20617 3 off MJ30-350 After HR20617 3 off MJ30-350 Before HR20617 2 off MJ30-350 Before HR20617 2 off MJ31-280 & MJ30-280 2 off MJ31-280 & MJ30-280 www.major-equipment.com...
Page 77
4 off MJ30-560 3 off MJ30-420/420DW 3 off MJ30-420/420DW 2 off MJ30-350 After HR20617 3 off MJ30-350 After HR20617 3 off MJ30-350 Before HR20617 2 off MJ30-350 Before HR20617 2 off MJ31-280 & MJ30-280 2 off MJ31-280 & MJ30-280 www.major-equipment.com...
Page 78
4 off MJ30-560 3 off MJ30-420/420DW 3 off MJ30-420/420DW 2 off MJ30-350 After HR20617 3 off MJ30-350 After HR20617 3 off MJ30-350 Before HR20617 2 off MJ30-350 Before HR20617 2 off MJ31-280 & MJ30-280 2 off MJ31-280 & MJ30-280 www.major-equipment.com...
Page 87
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 88
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)
Need help?
Do you have a question about the Cyclone MJ31-200 and is the answer not in the manual?
Questions and answers