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Twose MAXICUT 280 Operator's Manual

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MAXICUT 280
Rotary Topper
Operator Manual
Publication 986
September 2020

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  • Page 1 MAXICUT 280 Rotary Topper Operator Manual Publication 986 September 2020...
  • Page 2 IMPORTANT VERIFICATION OF WARRANTY REGISTRATION DEALER WARRANTY INFORMATION & REGISTRATION VERIFICATION It is imperative that the selling dealer registers this machine with McConnel Limited before delivery to the end user – failure to do so may affect the validity of the machine warranty. To register machines go to the McConnel Limited web site at www.mcconnel.com, log onto ‘Dealer Inside’...
  • Page 4 WARRANTY POLICY WARRANTY REGISTRATION All machines must be registered, by the selling dealer with McConnel Ltd, before delivery to the end user. On receipt of the goods it is the buyer’s responsibility to check that the Verification of Warranty Registration in the Operator’s Manual has been completed by the selling dealer. LIMITED WARRANTIES 1.01.
  • Page 5 1.11. Except as provided herein, no employee, agent, dealer or other person is authorised to give any warranties of any nature on behalf of McConnel Ltd. 1.12. For machine warranty periods in excess of 12 months the following additional exclusions shall apply: 1.12.1.
  • Page 6 MISCELLANEOUS 4.01. McConnel Ltd may waive compliance with any of the terms of this limited warranty, but no waiver of any terms shall be deemed to be a waiver of any other term. 4.02. If any provision of this limited warranty shall violate any applicable law and is held to be unenforceable, then the invalidity of such provision shall not invalidate any other provisions herein.
  • Page 7 DECLARATION OF CONFORMITY Conforming to EU Machinery Directive 2006/42/EC McCONNEL LIMITED, Temeside Works, Ludlow, Shropshire SY8 1JL, UK Hereby declare that: The Product; Tractor Trailed Rotary Mower / Topper Product Code; TOP9 Serial No. & Date ………………………………… Type ………………………… Manufactured in; United Kingdom Complies with the required provisions of the Machinery Directive 2006/42/EC The machinery directive is supported by the following harmonized standards;...
  • Page 8 ROTARY MOWER INSPECTION AND MAINTENANCE A daily equipment inspection of the tractor and mower should be conducted before the equipment is used. You may use the inspection sheets to assist with these daily inspections. Any damaged or missing guards should be repaired or replaced before operating the mower.
  • Page 10 MOUNTED ROTARY MOWER PRE-OPERATION Inspection Mower ID ________________ Date: _______________ Shift: _______________ WARNING Before conducting the inspection, make sure the tractor engine is off, the key removed, all rotation has stopped and the tractor is in park with the parking brake engaged. Make sure the mower is resting on the ground or securely blocked up.
  • Page 11 TRACTOR PRE-OPERATION Inspection Power Arm ID ________________ Date: _______________ Shift: _______________ WARNING Before conducting the inspection, make sure the tractor engine is off, the key is removed all rotation has stopped and the tractor is in park with the parking brake engaged. Any implement attached to the tractor is firmly on the ground.
  • Page 12 MOUNTED ROTARY MOWER PRE-OPERATION Inspection Mower ID ________________ Date: _______________ Shift: _______________ WARNING Before conducting the inspection, make sure the tractor engine is off, the key removed, all rotation has stopped and the tractor is in park with the parking brake engaged. Make sure the mower is resting on the ground or securely blocked up.
  • Page 13 TRACTOR PRE-OPERATION Inspection Power Arm ID ________________ Date: _______________ Shift: _______________ WARNING Before conducting the inspection, make sure the tractor engine is off, the key is removed all rotation has stopped and the tractor is in park with the parking brake engaged. Any implement attached to the tractor is firmly on the ground.

  • Page 15: Table Of Contents

    LIST OF CONTENTS OPERATION Page SAFETY SECTION Safety and Warning Information Decal Type and Location Machine Decal Information INTRODUCTION SECTION Topper 9 Mower Introduction ASSEMBLY SECTION Dealer Setup Instructions A-Frame Assembly Driveline Attachment OPERATION SECTION Mower Preparation Tractor Preparation Attaching Mower to Tractor Cutting Height Adjustment Starting and Stopping Mower Cutting Speed...
  • Page 16 LIST OF CONTENTS PARTS SECTION Page Component Location A-Frame Assembly Tailwheel Beam Tailwheel Assemblies PTO Shaft Assembly Slip Clutch Assembly Gearbox (T-Box) Assembly Outer Gearbox Assembly Coupler Shaft Gearbox Mounting Blade Assembly Guarding Shields Chain Guard Assembly Skid Shoe Assembly Decal Kit...
  • Page 18 SAFETY There are obvious and potential hazards in the operation of this mower. REMEMBER! This machine is often operated in rough terrain conditions and brush up to 2” (50mm) diameter. The blades of this mower can propel objects for a great distance at very high speeds. Serious injury or even death may occur unless care is taken to ensure the safety of the operator, bystanders or passersby in the area.
  • Page 19 The operator and all support personnel should wear ‘hard hats’, ‘safety shoes’ and ‘safety glasses’ at all times for protection from injury by falling objects and items thrown by the machine. Operate the mower only with a tractor equipped with an approved ‘roll over protection system (ROPS).
  • Page 20 Never leave the machine in the raised transport position – the machine could fall inadvertently and cause injury or death to anyone who might be under the machine. Never clean or adjust PTO driven equipment with the tractor engine running. Kill the engine and pocket the key before attempting any maintenance on the machine.
  • Page 21 Ensure that a PTO shield is installed when using PTO-driven equipment and always replace the PTO shield if damaged. PROLONGED EXPOSURE TO LOUD NOISE MAY CAUSE PERMANENT HEARING LOSS ! Tractors with or without mowers attached can often be noisy enough to cause permanent or partial hearing loss. We recommend that hearing protection be worn at all times when the noise level experienced in the Operator’s position exceeds 80db.

  • Page 22: Decal Type And Location

    D137 INSTRUCTION CCW BLADE ROTATION D138 INSTRUCTION CW BLADE ROTATION 09.821.29 WARNING EURODECAL 09.821.34 WARNING EURODECAL 09.811.04 WARNING MAX PTO SPEED 540 rpm 00763613 INSTRUCTION SLIP CLUTCH ADJUSTMENT 09.810.03 INSTRUCTION GREASE 100 HRS 09.821.30 WARNING EURODECAL 200.014.04 NAME/LOGO MAXICUT 280...

  • Page 23: Machine Decal Information

    MACHINE DECALS 1. Part Number 200.014.04 4. Part Number D132 Part Number Part Number 7560093 7560155 5. Part Number D137 6. Part Number D138 7. Part Number 09.821.29 8. Part Number 09.821.34 10. Part Number 00763613 Part Number 09.811.04 11. Part Number 09.810.03 12.
  • Page 24 INTRODUCTION This Rotary Mower is designed with care and built with quality materials by skilled workers. Proper assembly, maintenance and operating practices, as described in this manual, will help the owner/operator get years of satisfactory service from the machine. The purpose of this manual is to familiarise and instruct. The Assembly Section instructs the owner/operator in the correct assembly of the Mower using standard and optional equipment.
  • Page 25 INTRODUCTION Maxicut 280 These rugged Mowers are designed for medium-duty work. They can mow pastures, cut brush up to 2” (50 mm) in diameter, and control grass and weeds on highways or industrial sites. For Non-Agricultural use, OSHA, ASAE, SAE and ANSI standards require the use of Chain Guards, Deflectors or Solid Skirts at all times.

  • Page 26: Assembly Section

    ASSEMBLY SECTION The Maxicut 280 will attach to most tractors with Cat. II and Cat. II Quick Hitch. The Topper requires a tractor with 540-rpm PTO with a minimum of 50 HP (37kW). DEALER SET-UP INSTRUCTIONS Assembly of this Mower is the responsibility of the Dealer. The Mower should be delivered to the Owner completely assembled, lubricated, and adjusted for normal cutting conditions.

  • Page 27: Driveline Attachment

    DRIVELINE ATTACHMENT Before starting assembly of the Driveline ensure that all paint, dirt and grease are removed from the Gearbox Shaft (1). To ease assembly, apply a light coat of grease to splines and assemble. DO NOT ASSEMBLE A DRIVELINE WITHOUT A SHIELD. ...

  • Page 28: Operation Section

    OPERATION SECTION The safe operation of this machine is the responsibility of the operator. The operator should be familiar with the machine, the tractor, and all safety practices before attempting to start operation. This Mower is designed primarily for weed and grass control. It is equipped with updraft blades.

  • Page 29: Tractor Preparation

    TRACTOR PREPARATION Ballast Do not operate with less than 20% of the tractor’s gross unballasted mass on the front wheels with the Mower in the transport position. Wheel Spacing Tractor wheel spacing should be increased when working on inclines or rough ground to reduce the possibility of tipping.

  • Page 30: Cutting Height Adjustment

    CUTTING HEIGHT ADJUSTMENT Avoid personal injury! Ensure the engine is switched off and the key removed. WAIT UNTIL BLADES HAVE STOPPED TURNING before dismounting to make adjustments. IMPORTANT: Avoid very low cutting heights – striking the ground with blades causes the most damaging shock waves a Mower can encounter and will cause damage to the Mower and drive.

  • Page 31: Cutting Speed

    Avoid personal injury. When attempting to stop a tractor that does not have live PTO, the momentum created by the blade carrier of a rotary mower can cause the tractor to be pushed forward. DO NOT operate this Mower unless tractor has live or independent PTO.

  • Page 32: Detaching And Storing Mower

    DETACHING AND STORING YOUR MOWER  Lower the Mower to the ground and park the Tractor with brakes on, kill the engine, remove and pocket the key.  Wait until the PTO has stopped rotating before dismounting the Tractor.  Disconnect the Driveline from the Tractor PTO. ...
  • Page 33  Re-attach the Driveline to the PTO shaft, ensuring balls are correctly seated in the groove on shaft.  Raise Mower to full transport height or until Driveline just touches deck at front. If distance between coloured tape and outer shield is 1⅝” (40mm) or less, drive tubes should be shortened (see diagram below).
  • Page 34 TROUBLESHOOTING – GENERAL PROBLEM POSSIBLE CAUSE REMEDY NOT CUTTING CLEAN Blades dull. Sharpen or replace Blades. Blade rotation incorrect. Use correct Blade carrier. Using straight blades. Use Fan Blades in grass. Carrier rpm too low. Increase PTO to recommended rpm Mower not leveled.

  • Page 35: Pto Shaft Troubleshooting

    TROUBLESHOOTING – PTO SHAFTS PROBLEM POSSIBLE CAUSE REMEDY BROKEN CROSS Load too high for joint. Use protective device with joint. OR CUPS Check joint angles and phasing. Slow down or raise Mower. Check Slip Clutch is not frozen or seized. (See Clutch Maintenance). END GALLING OF Speed too high during Reduce PTO speed.
  • Page 36 OIL BLOWING OUT Flat bottomed Vent Plug Replace with proper Vent Plug, VENT PLUG or shallow cavity Plug. cavity in Oil Plug should be approximately ⅝” (16mm). Oil level too high. Lower Oil level to Plug. GEARBOX LEAKING Damaged Oil Seal. Replace Seal.

  • Page 37: Lubrication Information

    MAINTENANCE Before operating your Rotary Mower ensure it is properly lubricated and thoroughly inspected. The time and effort is required to regularly lubricate and maintain your Mower is minimal, but necessary, to provide long life and trouble free operation of your machine. Always disengage the PTO before raising the Mower for transporting or making adjustments.

  • Page 38: Gearbox Lubrication

    GEARBOX The Gearbox has been filled with lubricant to the Test Plug Level prior to shipment. However, as a precaution you should check the oil level at the Test Plug before operating the Mower and frequently thereafter (Daily during normal use). The Gearbox should not require additional lubricant unless the box is cracked, or a seal is leaking.

  • Page 39: Driveline Lubrication

    DRIVELINE LUBRICATION Grease Fittings are located on the Cross Assembly of each U-Joint and on the telescoping tubes. Grease the U-Joint after every 8 hours of use. Do not force grease through the Needle Cup Assemblies. Grease the telescoping tubes after every 16 hours of use. On some PTO to Hitch connections, it may be necessary to cut a hole in the shields to facilitate alignment of the Grease Fittings for lubrication.

  • Page 40: Blade Servicing

    BLADE SERVICING Blades should always be inspected prior to work each time you use the Mower to ensure they are in good working condition and correctly installed. Replace any Blade that is bent, excessively nicked, worn or otherwise damaged. Small nicks can be ground out when sharpening.

  • Page 41: Blade Removal

    BLADE REMOVAL To remove blades for sharpening or replacement, remove the cover plate on the deck of the Mower near the gearbox and remove the lock nut from the blade bolt. NOTE: Inspect lock nut after removal and replace if threads are damaged. Always replace lock nut when replacing blade bolt.

  • Page 42: External Coil Slip Clutch

    ATTENTION! Do not engage PTO or attempt to start mowing until ALL Slip Clutches are properly adjusted and checked to make certain that NONE ARE FROZEN and that ALL WILL SLIP under excessive load. Refer to Operator’s Section for complete details EXTERNAL COIL SLIP CLUTCH (Driveshaft 00761322CE) DISK REPLACEMENT TO DISASSEMBLE EXTERNAL COIL SPRING CLUTCH (Refer to diagram ‘A’...
  • Page 43 NOTE: EXCESSIVE SLIPPING WILL BURN UP DISKS AND SLIP CLUTCH TO THE POINT WHERE THE CLUTCH IS NOT REPAIRABLE. HOWEVER, EXCESSIVE TIGHTENING WILL PREVENT THE CLUTCH FROM SLIPPING AND CAN LEAD TO FAILURES OF DRIVETRAIN COMPONENTS WITH RESULTING DOWNTIME. TO REPLACE SHIELDS ...

  • Page 44: Frozen Clutches

    SLIP CLUTCH PRECAUTIONS If MOWER is stored outside for 30 DAYS or more and be exposed to rain or humid air, the CLUTCHES should be removed and STORED IN A DRY AREA. However, if CLUTCHES are left outside for 30 days or more, ensure that you follow the BREAK-A-WAY INSTRUCTIONS stated below.

  • Page 45: Torque Settings For Fasteners

    TORQUE SETTINGS FOR FASTENERS The Chart below lists the correct tightening torque for fasteners. The Chart should be referred to when tightening or replacing bolts to determine the grade of bolt and the correct torque except where specific torque values are assigned in the text of this manual. Recommended torque is quoted in Foot-Pounds and Newton-Metres within this manual.

  • Page 46: Gearbox Maintenance

    GEARBOX MAINTENANCE Disassembly and assembly of the ‘T’ Gearbox requires the following tools. 1. Caulking Gun/Silicon Sealant 2. Torque Wrench 3. Sockets – 10mm & 14mm 4. 3/16” Punch 5. Impact Wrench 6. Retaining Ring Pliers 7. Ball Pin Hammer Ensure Gearbox and Sub-Assemblies are clamped or securely supported to prevent injury to hands and feet due to inadvertent dropping or falling over.

  • Page 47: T-Box Disassembly And Assembly

    T-BOX DISASSEMBLY AND ASSEMBLY The disassembly and assembly procedure for the T-Box is as follows. (The diagram below illustrates the location of components in the T-Box by numbers, which are referred to in the procedure instructions). REF. QTY. DESCRIPTION REF. QTY.
  • Page 48 STEP II. Remove cotter pin (14) and adjusting nut (13). STEP III. Remove gear (17). Tap on threaded end of shaft (16) to remove from hub. STEP IV. Press bearing cone (8) from shaft (16). STEP V. Remove bearing cups (8) from hub housing. STEP VI.

  • Page 49: Gearbox Disassembly And Assembly

    GEARBOX DISASSEMBLY AND ASSEMBLY The disassembly and assembly procedure for the Gearbox is as follows. (The diagram below illustrates the location of components in the Gearbox by numbers, which are referred to in the procedure instructions). REF. DESCRIPTION CAP BEARING RETAINER OIL SEAL (OUTPUT) SHIM BEARING RETAINER CUP BEARING (OUTPUT)
  • Page 50 INPUT SHAFT DISASSEMBLY AND ASSEMBLY  Remove bearing (11) nearest input shaft bearing housing by tapping end on a solid surface. Shock force will remove bearing (11) and gear (13). Remove bearing (8) from opposite end of shaft. Note presence and location of any shims or spacers so they may be reassembled in the same position.
  • Page 51 3. Check shaft – remove surface nicks, burrs and grooves and lubricate with a hard- fibrous grease. NOTE: Wrap plastic tape around irregular shaft surfaces such as splines to protect seal during assembly. 4. Use correct installation tool – Always use a pipe or a tube with approximately the same outside diameter as the seal and press the seal by striking the tube.
  • Page 52 Remove ½” pipe plug and fill gearbox with the correct recommended lubricant.  Install pipe plug and gearbox assembly is complete. STEP VI. Input Hub Assembly Press bearing cups into hub ensuring they are fully seated. Press bearing cone onto the shaft ensuring it is properly seated against the shaft shoulder.
  • Page 53 FOR NOTES...
  • Page 54 McConnel Limited, Temeside Works, Ludlow, Shropshire SY8 1JL. England. Telephone: 01584 873131. Facsimile: 01584 876463. www.mcconnel.com...

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