Rotomec TORNADO Operator's Manual
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Rotomec TORNADO Operator's Manual

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Operator's Manual
TORNADO
Rotary Cutter
RRB-148, RRB-248
The operator's manual is a technical service guide and must always accompany the machine.
MERRBEA
RRB-148, 248

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  • Page 1 Operator’s Manual TORNADO Rotary Cutter RRB-148, RRB-248 The operator’s manual is a technical service guide and must always accompany the machine. MERRBEA RRB-148, 248...

  • Page 2: Signal Words

    SAFETY Take note! This safety alert symbol found throughout this manual is used to call your attention to instructions involving your personal safety and the safety of others. Failure to follow these instructions can result in injury or death. This symbol means: ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED!
  • Page 3 Operator’s Manual TORNADO Rotary Cutter RRB-148, RRB-248 The operator’s manual is a technical service guide and must always accompany the machine. MERRBEA RRB-148, 248...
  • Page 4 INDEX 1 - GENERAL INFORMATION 1.01 - General 1.02 - Model and Serial Number ID 1.03 - Assembly Instructions 2 - SAFETY PRECAUTIONS 2.01 - Preparation 2.02 - Starting and Stopping 2.03 - Messages and Signs 3 - OPERATION 3.01 - Operational Safety 3.02 - Set-up 3.03 - Cutting Height Adjustment 3.04 - Pre-Operational Check...

  • Page 5: General Information

    ’ ORNADO PERATOR ANUAL 1 - GENERAL INFORMATION Thank you and congratulations for having chosen our implement. Your new rotary cutter is a technologically advanced machine constructed of high quality, sturdy components that will fulfil your working expectations. Read this manual carefully. It will instruct you on how to operate and service your mower safely and correctly.
  • Page 6 ’ ORNADO PERATOR ANUAL Carefully read the Warranty section , detailing coverage and limitations of this warranty. Warranty is provided for customers who operate and maintain their equipment as described in this manual. Warranty registration is accomplished by the dealer by completing and forwarding the Warranty Registration form to the Company, along with a copy of the dealer’s invoice.
  • Page 7 ’ ORNADO PERATOR ANUAL too long and needs to be shortened. Contact your local dealer if it is determined that the driveline is too short for your tractor. After having determined that the driveline is of the correct length for your tractor, proceed to step 5. 5.

  • Page 8: Safety Precautions

    ’ ORNADO PERATOR ANUAL 2 - SAFETY PRECAUTIONS Safety is the primary concern in the design and manufacture of our products. Unfortunately our efforts to provide safe equipment can be wiped out by a single careless act of an operator. In addition to the design and configuration of equipment, hazard control and accident prevention are dependent upon the awareness, concern, prudence and proper training of personnel involved in the operation, transport, maintenance and storage of...

  • Page 9: Starting And Stopping

    ’ ORNADO PERATOR ANUAL 8. Ensure that all safety shielding and safety signs are properly installed and in good condition. 2.02 - Starting and Stopping 1. Be sure that no one is near the machine prior to engaging or while the machine is working.
  • Page 10 ’ ORNADO PERATOR ANUAL Additional warning and operating decals are available at no extra charge. Please specify model and serial number when ordering. Fig. 2 - Safety decals - implement; replace immediately if damaged. 1. Read this manual carefully. 2. Before maintenance operations, disengage PTO and shut tractor down. 3.
  • Page 11 ’ ORNADO PERATOR ANUAL Safety decals - driveline; replace immediately if damaged. 1. Danger: Rotating driveline, contact can cause death. Keep away! Do not operate without:  All driveline guards, tractor and equipment shields in place.  Driveline securely attached at both ends. ...

  • Page 12: Operational Safety

    The rotary cutter Tornado RRB, for tractors up to 60 HP, is a standard duty model with working width of 120 cm. (48”). The PTO runs at 540 rpm and the rotor turns at 1042 rpm.
  • Page 13 ’ ORNADO PERATOR ANUAL 2. Do not operate the tractor and rotary cutter when you are tired, sick or when using medication. 3. Keep all helpers and bystanders at least at least 100 meters from a rotary cutter. Only properly trained people should operate this machine. 4.

  • Page 14: Cutting Height Adjustment

    ’ ORNADO PERATOR ANUAL 21. When using a unit, a minimum 20% of tractor and equipment weight must be on tractor front wheels. Without this weight, tractor could tip over, causing personal injury or death. The weight may be attained with a front end loader, front wheel weights, ballast in tires or front tractor weights.

  • Page 15: Pre-Operational Check

    ’ ORNADO PERATOR ANUAL IMPORTANT: Very low cutting heights should be avoided. Damaging shock loads occur when the blades strike the ground repeatedly. This can cause damage to the cutter. Fig. 3 - The cutting height is adjustable by moving the wheel arm up or down on the height adjustment brackes.

  • Page 16: Attaching To The Tractor

    ’ ORNADO PERATOR ANUAL 3.05 - Attaching to the Tractor Unit may be used on tractors ranging from 20 to 60 HP equipped with a standard rear PTO and category 1 three point hitch . Never use this rotary cutter with tractors over 60 HP.
  • Page 17 ’ ORNADO PERATOR ANUAL 7. Attach the driveline chains to the tractor and to the rotary cutter to keep the driveline protection from turning. The chains should not be too tight. 3.06 - Start-up DANGER: The rotary cutter must always be lowered to the ground before starting tractor engine or engaging PTO lever.

  • Page 18: Working Speed

    ’ ORNADO PERATOR ANUAL 11. Checking that the PTO shield, belt shields and all other shielding are on the machine and securely in place. 12. Making sure the proper attire is worn. Avoiding loose fitting clothing which can become entangled. Wearing sturdy, tough-soled work shoes and protective equipment for eyes, hands, ears and head.
  • Page 19 ’ ORNADO PERATOR ANUAL 3. Whenever traction or stability is doubtful, first test drive over the terrain with the PTO disengaged. 4. Operate the implement up and down steep slopes, not across slopes, to prevent the tractor from tipping. Avoid sudden stops and starts, and slow down before changing directions on a slope.
  • Page 20 ’ ORNADO PERATOR ANUAL 5. When raising the mower be sure the PTO driveline does not hit either the mower or the tractor. 6. During transport the mower should not be lifted over 35-40 cm. (14”-16”) from the ground. olqljb` PERATION...

  • Page 21: Maintenance Safety

    ’ ORNADO PERATOR ANUAL 4 - MAINTENANCE DANGER: Stop engine, lock parking brake and remove key before performing any service or maintenance. Never rely on the tractor lift system. Install blocks or stands under the rotary cutter deck to prevent it from falling. Always use personal protection devices, such as glasses or gloves when performing maintenance.
  • Page 22 ’ ORNADO PERATOR ANUAL specifications. The company will not claim responsibility for use of unapproved parts and/or accessories and other damages as a result of their use. 14. Unauthorised modifications to the machine may impair the function and/or safety of the machine and reduce its life.

  • Page 23: Blade Maintenance

    ’ ORNADO PERATOR ANUAL 2. Gearbox oil level: Check gearbox oil level, it should be between full. If needed add either SAE 90 wt. or SAE 140 wt. gear oil. Fig. 5 Tail wheel lubrication. Every 25 hours: Check hardware tightness; rotary cutter vibrations can loosen bolts. Check tightness of the hardware periodically, using Table 1 as a guide 4.03 - Blade Maintenance WARNING: To avoid possible injury, wear proper eye and hand protection when...
  • Page 24 ’ ORNADO PERATOR ANUAL Proper blade maintenance is important in order for the cutter to work properly, to always obtain a precision cut and to lower HP requirements thus keeping costs down. Blades must be kept sharp, at their original length and with corners intact. A blade must be replaced if, due to wear or damage, its original shape has been distorted.
  • Page 25 ’ ORNADO PERATOR ANUAL WARNING: Do not substitute blades or any bolt for the blade retaining bolt. Company blades and blade retaining bolts are specially made for this application. Using non original parts can effect the quality of cut and may also cause damage to the rotary cutter.
  • Page 26 ’ ORNADO PERATOR ANUAL 4.05 - Driveline DANGER: Only use the original driveline supplied with this machine and always with the safety shielding. Carefully read and file away the driveline operator’s manual supplied by the manufacturer. The following does not substitute the information found in the driveline manual.
  • Page 27 ’ ORNADO PERATOR ANUAL 6. Reassemble the driveline halves and connect to tractor and rotary cutter. Raise and lower rotary cutter again to be sure driveline does not bottom out in its shortest position and has a minimum overlap of 15 cm. (6”) in the longest position. 7.
  • Page 28 ’ ORNADO PERATOR ANUAL Fig. 10 shear bolt ½"x3½", grade 2 4.07 - Safety Slip Clutch (Option) IMPORTANT: To install the driveline with the optional slip clutch: Install the metal clutch shield onto gearbox using two bolts M08x20, lock washers and nuts. Slide slip clutch onto gearbox input shaft and secure with bolt M12-1.25x80 class 8.8, lock washer and nut M12-1.25.
  • Page 29 ’ ORNADO PERATOR ANUAL CAUTION: Check the tractor master shield over the PTO stub shaft. Make sure it is in good condition and fastened securely to the tractor. Purchase a new shield if old shield is damaged or missing. When you are using a driveline equipped with a slip clutch, ensure that the metal slip clutch shield is properly mounted to the gearbox and in good condition.
  • Page 30 ’ ORNADO PERATOR ANUAL TABLE 1 - TORQUE SPECIFICATIONS Metric (ISO) Inch (SAE) treaded treaded bolts head bolts head marking marking Class 5.8 Class 8.8 Class 10.9 Grade 2 Grade 5 Grade 8 Bolt Bolt Thread Thread size ft-lb ft-lb ft-lb size inch...

  • Page 31: Repair Procedures

    ’ ORNADO PERATOR ANUAL 5 - REPAIR PROCEDURES CAUTION: All repair procedures must be done by authorised dealerships. It is not recommended that untrained individuals perform any repair work. The following operations are detailed for qualified personnel only. 5.01 - Gearbox To remove the gearbox from the frame do the following: 1.
  • Page 32 ’ ORNADO PERATOR ANUAL 5. Cover the rotary cutter from the elements in order to have it in perfect condition for the start of the next season. 6. Do not permit children to play on or around the stored unit. 7.

  • Page 33: Troubleshooting

    ’ ORNADO PERATOR ANUAL 6 - TROUBLESHOOTING WARNING: Be sure tractor engine is off, parking brake is locked, and key is removed before making any adjustments. PROBLEM POSSIBLE CAUSE SOLUTION Irregular cut. Cutter is not hooked up level. Adjust three point hitch to level out the cutter.

  • Page 34: Pre-Delivery Checklist

    ’ ORNADO PERATOR ANUAL 7 - PRE-DELIVERY CHECKLIST To the dealer: Inspect the machine thoroughly after assembly to assure it is functioning properly before delivering it to the customer. The following checklist is a reminder of points to cover. Check off each item as it is found satisfactory or after proper adjustment is made.

  • Page 35: Warranty

    ’ ORNADO PERATOR ANUAL 8 - WARRANTY The Company warrants its machine from defects in material and workmanship. The machines are warranted from the invoice date for the following periods. 1. 24 months for private use. 2. 12 months for commercial, contractual and public use. 3.

  • Page 36: Ec Declaration Of Conformity

    ’ ORNADO PERATOR ANUAL The Company reserves the right to modify or update machines without the obligation of modifying or updating previously sold machines. Venue: any judgements will be decided by the Verona Court. EC Declaration of Conformity according to Directive 2006/42/EC olqljb` =ëé~ sá~=jçäáåç=Çá=pçéê~I=RS...

  • Page 37: Warranty Registration

    Operator’s Manual and literature published by Rotomec. Inspected by: Date: Date: Dealer’s Signature: Customer’s Signature: This registration along with a copy of the invoice must be sent to Rotomec spa within 14 days of date of purchase.
  • Page 38 Place stamp here olqljb`=ëé~ Via Molino di Sopra, 56 37054 Nogara (VR) ITALY...
  • Page 39 Use only original spare parts All rights reserved. It is unlawful to copy, reprint or use any of the information or details in this manual without the expressed written permission of the Company. Technical information provided in this manual is approximate, the Company reserves the right to modify or improve the models shown for technical or commercial purposes.
  • Page 40 olqljb` ëé~ sá~=jçäáåç=Çá=pçéê~I=RS PTMRQ=kçÖ~ê~=EsoFI=fí~äó qÉäKW=HPVKMQQOKRNMQMM=J=c~ñW=HPVKMQQOKRNMMPU ïïïKêçíçãÉÅKÅçã...

This manual is also suitable for:

Rrb-148Rrb-248

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