olqljb`
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 1: ...olqljb 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: ...have been selected using the following guidelines DANGER Indicates an imminently hazardous situation that if not avoided will result in death or serious injury WARNING Indicates a potentially hazardou...
Page 3: ...olqljb 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: ...afety 21 4 MAINTENANCE 19 3 10 Transport 19 3 09 Removing Rotary Cutter from the Tractor 18 3 08 Uneven Terrain 18 3 07 Working Speed 17 3 06 Start up 16 3 05 Attaching to the Tractor 15 3 04 Pre Oper...
Page 5: ...and direction of rotation Do not operate this implement at a PTO speed or direction of rotation other than that shown on the implement Serious damage can occur to the machine and or the operator CAUT...
Page 6: ...ch of the rotary cutter is shipped unassembled CAUTION Stand clear of bands when cutting as they could be under sufficient tension to cause them to fly loose Take care in removing bands and wire They...
Page 7: ...e slip clutch onto gearbox input shaft and secure with bolt M12 1 25x70 class 8 8 lock washer and nut M12 1 25 7 Install both driveline safety chains One should be hooked in a hole on the outer drivel...
Page 8: ...proper use WARNING Because of possible injury from thrown objects all rotary cutters are potentially dangerous Any rotary cutter intended for use along roadways or other locations where people may be...
Page 9: ...e disengage the PTO shut the tractor down and thoroughly inspect for damage before restarting 8 Never engage the PTO until the cutter is in the down position and resting on the ground Never raise the...
Page 10: ...ing driveline 5 Keep away objects can be thrown 6 Never allow passengers 7 Keep all shields in place 8 Keep away from rotating blades 9 Keep shields in place moving parts 10 Do not stand between tract...
Page 11: ...cause death Keep away Do not operate without All driveline guards tractor and equipment shields in place Driveline securely attached at both ends Driveline guards that turn freely on driveline 2 Dang...
Page 12: ...rom 2 5 to 23 5 cm 1 to 9 The RRB 148 comes with a standard stump jumper to protect the blade holder rotor 3 01 Operational Safety CAUTION Our rotary cutters are designed considering safety as the mos...
Page 13: ...by thrown objects 10 Before backing up disengage the rotary cutter and look behind carefully 11 Install and secure all guards and shields before starting or operating 12 Keep hands feet hair and cloth...
Page 14: ...r loss of control 3 02 Set up Notice to dealer Pre delivery set up and service including lubrication is the responsibility of the authorised dealer It is up to him to assure that the machine is in per...
Page 15: ...orqued5 6 All hardware is tight6 7 The tractor to ensure correct direction of PTO and rpm speed 8 All safety shields and guards are in place and tightly attached 9 No people or animals are in the work...
Page 16: ...ce with the lynch pins Failure to ensure a secure coupling of the implement to the tractor can cause injury and damage to the implement or tractor 2 Adjust the tractor sway blocks or chains to remove...
Page 17: ...ection of rotation other than that shown on the rotary cutter Serious damage can occur to the machine and or the operator Before starting to mow never forget that the operator is responsible for the f...
Page 18: ...g ground speed always use gear selection not engine speed This will maintain the constant maximum blade speed necessary for a clean cut WARNING Never operate without all shields on the machine and sec...
Page 19: ...tary cutter for transport the tractor top link must be adjusted so when lifted the rear of the machine is higher than the front the mower s nose is tilted downward To do this shorten the tractor top l...
Page 20: ...he 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 OPERATION 20 olqljb TORNADO RRB OP...
Page 21: ...moving parts on attachment have come to a complete stop before attempting to perform maintenance 6 Never work under equipment unless it is blocked securely 7 Always use personal protection devices su...
Page 22: ...ase for all locations shown Be sure to clean fittings thoroughly before using grease gun Use 90 wt or 140 wt gear oil in gearbox Hourly 1 Check the condition of cutter blades for nicks or dull edges 2...
Page 23: ...periodically using Table 1 as a guide13 4 03 Blade Maintenance WARNING To avoid possible injury wear proper eye and hand protection when servicing cutter blades MAINTENANCE 23 olqljb TORNADO RRB OPERA...
Page 24: ...th a wrench and remove the blade bolt nut 3 Remove the blade bolt and blade 4 Check the bolt for wear Replace if necessary 5 Place the new blade making sure that the cutting edge is towards the direct...
Page 25: ...or do the following see fig 8 1 Position the rotor bar on the stump jumper so the holes line up 2 Attach the blades making sure the cutting edge is towards the direction of rotation see fig 7 3 Torque...
Page 26: ...halves should be approximately 15 cm 6 see fig 9 If determined that the driveline is too long follow these procedures to adjust the length 1 Separate the two driveline halves Connect one half to the t...
Page 27: ...olt CAUTION When this machine is equipped with a shear bolt driveline for the protection of the PTO and gearbox never replace the shear bolt with anything harder than a grade 2 bolt All warranties wil...
Page 28: ...erly The slip clutch delivered with your machine is set at a specific torque for normal working conditions If while working the clutch slips frequently the spring nuts need to be tightened turn Check...
Page 29: ...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 prope...
Page 30: ...195 98 133 62 84 2 M14 120 163 85 115 55 75 20 1 2 98 133 66 90 44 59 1 25 M12 106 144 75 102 48 66 13 1 2 94 128 64 87 41 56 1 5 M12 78 106 55 75 36 48 20 7 16 91 123 62 84 40 54 1 75 M12 70 95 49 67...
Page 31: ...lace internal parts be sure to replace any oil seals or gaskets to ensure a tight fit when reassembling To replace the gearbox reverse the above operations making sure the castle nut see 6 fig 8 secur...
Page 32: ...for long periods of time Damage and livestock injury could result 8 Make sure all parked machines are on a hard level surface and engage all safety devices WARNING Be sure to store the implement on a...
Page 33: ...lades Vibrations Check tractor PTO speed Cutter is not working at the proper PTO rpm speed High wear on blade mounting holes blade bolts Raise cutting height Blades hitting ground High wear on blades...
Page 34: ...ion or overheating of bearings Operator s Manual Review the Operator s Manual with the customer Explain the following Warranty Safe operation and service Correct machine installation and operation Dai...
Page 35: ...anty does not apply to and excludes drivelines and driveline related safety devices shear pin yokes shear pins slip clutches clutch discs tires belts blades and other wear items At no time will the re...
Page 36: ...responds to the relevant basic safety and health requirements of the Directive 2006 42 EC For the relevant implementation of the safety and health requirements mentioned in the Directives the followin...
Page 37: ...nty and understand clearly that there were and are no other representations of warranties either expressed or implied made by anyone I have been advised on proper operation maintenance and lubrication...
Page 38: ...Cut along this line Sender Fold here Place stamp here olqljb Via Molino di Sopra 56 37054 Nogara VR ITALY...
Page 39: ...tails 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...
Page 40: ...olqljb s j p I RS PTMRQ k EsoFI f q KW HPVKMQQOKRNMQMM J c W HPVKMQQOKRNMMPU K K Rotomec RRB 148 UK Printed in Italy March 27 2010...
