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Spearhead MULTICUT 

820

 

 

25

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Summary of Contents for MULTICUT 820

Page 1: ...Spearhead MULTICUT 820 1 MULTICUT 820 7th Edition October 2013 Part No 8999026 ...

Page 2: ...chine it relates to please contact the After Sales Department for advice Spearhead Machinery Limited 2004 Please ensure that this manual is handed to the operator before using the machine for the first time The operator must fully understand the contents of this manual before using this machine If the machine is resold the Manual must be given to the new owner Spearhead Machinery Green View Salfor...

Page 3: ...2007 Safety of Machinery Risk Assessment Part 1 Principles Part 2 Practical Guide and Examples of Methods BS EN ISO 12100 1 2010 Safety of Machinery Part 1 Basic Terminology and Methodology Part 2 Technical Principles BS EN 349 1993 A1 2008 Safety of Machinery Minimum Distances to avoid the Entrapment of Human Body Parts BS EN 953 1998 Safety of Machinery Guards General Requirements for the Design...

Page 4: ...nts 8 Attaching To The Tractor 8 Setting Up Your Machine 9 Operation 12 Transportation 13 Machine Protection 14 Servicing Maintenance Safety First 15 Daily 16 Every 8 Hours 17 Torque Settings 17 Regularly 18 Blades 18 Slip Clutch Settings 19 Skids 23 Storage 23 Trouble Shooting Guide 24 ...

Page 5: ...re in place and all tractor windows closed Impact resistant shielding to the tractor is recommended Before leaving the tractor cab always ensures that the wings are firmly on the ground no weight is on the machine s hydraulics and the rotor has stopped spinning Check that all guards are properly fitted and there are no damaged or loose parts Particular attention should be given to the blades to en...

Page 6: ...ood this Handbook and are familiar with the controls Never use a machine that is poorly maintained or has guards that are damaged or missing Never allow an inexperienced person to operate the machine without supervision Never use or fit a machine onto a tractor if it doesn t meet the manufacturer s specification Never use a machine if the hydraulic system shows signs of damage Never attempt to det...

Page 7: ...long as the engine is running Warning Stay clear of mower blade as long as engine is running Warning Stay clear of swinging area of implements Warning Shut off engine and remove key before performing maintenance or repair work Warning Check all nuts are tight every 8 hours Warning Carefully read operator s manual before handling this machine Observe instructions and safety rules when operating ...

Page 8: ... tractor should have a 1 000rpm p t o 1 20 spline Two external hydraulic services are required single acting for height control and double acting for wings with float facility Attaching To The Tractor It is essential to ensure that the tractor lift arms cannot foul the p t o shaft even when the tractor is on full lock It is advisable to remove them altogether if there is any doubt The tractor draw...

Page 9: ... inner and outer sliding profiles by the same length as the guard tubes File all sharp edges and remove burrs Grease sliding profiles To fit the PTO first clean and grease Press pins on the yoke and simultaneously push the PTO drive shaft onto PTO shaft of the tractor until pins engage The PTO shaft is fitted with a non rotating safety guard It should be secured to the machine and tractor with the...

Page 10: ...H RH With the machine in the working position and the wings folded down it may be necessary to alter the height of the wing to ensure each rotor is cutting level Between each axle there is an adjustable link shortening this will raise the cutting height of the wing rotor and blades We recommend the wing is set 12 25mm higher then the centre Warning The machine is set at the factory with the centre...

Page 11: ...ways ensure the machine is on level ground To unfold the wings from transport position first charge pressurise the rams with oil before releasing the locking strap Then power the wings over centre with the aid of the double acting rams Lower both wings on the ground and release the hydraulic pressure by placing the spool in float position Warning Do not pressurise the wing rams out once the wing w...

Page 12: ...e care not to run the rear tractor wheel against the mower draw bar as this will result in serious damage to the tractor the mower and in particular the PTO shaft The constant velocity joint on the input PTO shaft allows the PTO to be left in gear whilst turning out of work e g on the headlands It is important not to turn sharply when the machine is in work as this will over strain and shorten the...

Page 13: ... Never transport along public highways with the wings only supported by the hydraulics Please observe Public Highway Regulations concerning the towing of implements and securely attach a registration and lighting board Warning Avoid transporting machine at high speed over rough ground Maximum speed on highway 20mph 30kph Fig 7 Transportation position ...

Page 14: ... The clutch settings should not be altered without reference to Service and Maintenance Never over tighten the pressure springs on the slip clutches Fig 8 as this could result in severe damage to the gearbox and drive lines as well as invalidating the warranty If the machine has been laid up for any length of time there is a risk of the clutch plates rusting and seizing together Never operate the ...

Page 15: ...e carried out before the first operation after the first hour then after 4 hours These checks are 1 Wheel nuts and tyre pressure 60psi 2 Gearbox bolts including the splitter box 3 Oils in all the 6 gearboxes 4 Blade bolts are fully tightened and in particular the 5 castle headed nuts on the 5 blade rotors 5 Retaining bolts on the drive shafts 6 Grease all points including drive shaft tubes 7 After...

Page 16: ...heck condition of blades and blade bushes ensure all retaining bolts are fully tight Check wheel nuts are tight Check tyre pressures 60 P S I Check gearbox oil replenish with EP90 gear oil as necessary to the correct level line on the dipsticks provided with each gearbox Fig 9 Greasing points A Rear axle pivot point B Wheel arm pivot point C Axle adjuster D Height stop E Hydraulic rams F Drawbar G...

Page 17: ...ened to the correct Torque Fig 11 Torque Settings The Torque figures given below are recommended maximum settings only Size Tensile strength Description Torque setting Nm M16 8 8 Gearbox bolts 280 M24 8 8 Axle clamps 750 M24 8 8 Blade bolts 540 800 Wheel nuts 270 For maximum life and performance the CV body must be greased regularly Lubricate with the driveline in a straight position up to 30 pump...

Page 18: ...portant Blades Caution When carrying out maintenance work on or near the blades be careful of free swinging blades over centering and falling It is recommended that protective clothing including hardhat and goggles are worn The blades can be re sharpened by grinding the cutting edges care must be taken that the blades are of the same weight and length after grinding Do not overheat when grinding a...

Page 19: ...asonal use unload the spring tension and stone clutch assembly in a dry place Check condition of friction linings and reset spring compression to original height before use Should the assembly overheat due to frequent or prolonged clutch slipping dismantle for inspection The original thickness of the lining is 3 2mm replace them when worn to 2 5mm Clean up all contact surfaces and replace any dama...

Page 20: ...periods of storage Release the tension from the spring turn the clutch while holding the P T O to ensure hub is not seized to linings Clutch settings below are for reference only Measured spring lengths should be used first Position Part No Setting L Machine Centre 5770441 35 0 mm 820 Centre 5770468 38 1 mm 820 Inner wing 5770442 37 8 mm 820 Outer wing 5770443 37 5 mm 820 ...

Page 21: ...LUTCH FUNCTION AFTER LONG PERIODS ON INACTIVITY FRICTION CLUTCHES SHOULD BE RUN IN TO PREVENT OXIDATION BUILD UP THE CLUTCHES ARE SET TO THE PROPER TORQUE SETTING FROM THE FACTORY USING THE FOLOWING PROCEDURE WILL PROVIDE THE MOST ACCURATE TORQUE SETTING 1 TIGHTEN THE FOUR NUTS ON THE INNER CIRCLE WITH A 13MM SPANNER THE NUTS SHOULD COMPRESS THE BELLEVILLE SPRING AND RELIEVE THE PRESSURE OFF THE F...

Page 22: ...edel snummer Newtons Indstilling L Belaegninger Maskine K90 4T Midtersektio n 5770500 1200 Nm 18 00mm 4 500 730 K90 4T Inder vinge 5770503 1200 Nm 21 00mm 4 730 K90 4T Vinge 5770501 1200 Nm 18 00mm 4 500 K90 4T Yder vinge 5770502 1600 Nm 20 90mm 4 730 Type Position Teile nummer Newtons Einstellung L Reibscheiben Maschine K90 4T Mitte 5770500 1200 Nm 18 00mm 4 500 730 K90 4T Innen Flugel 5770503 12...

Page 23: ...tored under cover Smear grease on the chrome ramrods for protection After Storage Disassemble clutches and with an emery cloth remove all traces of rust on the metal clutch plates Check condition of the friction plates if there is any sign of over heating wear or cracking replace with new Do not attempt to use the machine with damaged slip clutch plates Reassemble the clutch units and tighten the ...

Page 24: ...rive with too much power revs 4 Turning too sharp 5 Not enough overlap 6 Lack of grease 7 Build up of Debris under drive shaft Gearbox overheating 1 Incorrect oil level 2 Incorrect grade of oil 3 Incorrect operating speed 4 Machine overloaded 5 Rubbish around the gearbox reducing air circulation Slip clutches overheating 1 Machine overloaded 2 Incorrect operating speed 3 Incorrect setting 4 Blades...

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Page 26: ...Spearhead MULTICUT 820 26 ...

Page 27: ...Spearhead MULTICUT 820 27 Spearhead Machinery Green View Salford Priors Evesham Worcestershire WR11 8SW Tel 01789 491860 Fax 01789 778683 www spearheadmachinery com enquiries spearheadmachinery com ...

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