Spearhead TWIGA CLASSIC S51, Handbook

Page 1: ...TWIGA CLASSIC 0 TWIGA CLASSIC S51 S55 S60 T65 December 2020 8999133...

Page 2: ...rvice Department on 01789 491867 Registration Verification Dealer Name Dealer Address Customer Name Date of Warranty Registration Dealer Signature NOTE TO CUSTOMER OWNER Please ensure that the above s...

Page 3: ...BONDED SEALS BSP Setting Metric BSP Setting Metric 1 4 18 Nm 19 mm 1 4 34 Nm 19 mm 3 8 31 Nm 22 mm 3 8 47 Nm 22 mm 1 2 49 Nm 27 mm 1 2 102 Nm 27 mm 5 8 60 Nm 30 mm 5 8 122 Nm 30 mm 3 4 80 Nm 32 mm 3 4...

Page 4: ...aching your Machine to the Tractor Using 3 Point Linkage 13 Attaching your Machine to the Tractor Using Axle Mounting 17 Running up your Machine 19 Removing from the Tractor 20 Hydraulic Proportional...

Page 5: ...intenance Daily Grease Points 45 Torque Settings 46 Hydraulic Hoses 47 Oil Supply 48 Filtration Maintenance 48 Pin Bushes 49 Storage 49 Regular Service Chart 50 Diagnostics Pump Motor Failure Preventi...

Page 6: ...ation contained in this manual is correct at the time of publication However in the course of constant development changes in specification are inevitable Should you find the information given in this...

Page 7: ...1380 1540 Weight of head Kg 300 300 300 Tractor horse power 85 120 95 120 100 140 Min tractor weight Kg 3500 3750 4000 Oil tank capacity ltr 230 230 230 Reach A m 5 4 5 9 6 4 Reach B m 4 9 5 3 5 9 Re...

Page 8: ...ards are properly fitted and there are no damaged or loose parts Particular attention should be given to the flails to ensure they are not damaged cracked or missing Inspect work area for wire steel p...

Page 9: ...at 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 N...

Page 10: ...icity can flashover when machinery gets close to it WARNING All operators must read the following information and be aware of the risks and dangers involved when working in the vicinity of Overhead Po...

Page 11: ...as If doubt exists do not work in the area never risk the safety of yourself or others Emergency Action for Accidents Involving Electricity Never touch an overhead line even if it has been brought dow...

Page 12: ...each direction Work should be within 1 mile of the signs Work only when visibility is good and at times of low risk e g NOT during rush hour Vehicles should show an amber flashing light Vehicles shou...

Page 13: ...the machine firmly Do not operate without checking chains and stabilisers are tight Spearhead particularly recommend turn buckle type stabiliser Set linkage lift rods to an equal length Certain machin...

Page 14: ...links 2 Fit stabiliser bracket into top link clevis and fit top link The standard link comes with a Cat III hole plus a Cat III to Cat II reducing bush a 28mm bracket is available on request 3 Fit sta...

Page 15: ...ance 5 Adjust the top link so that the machine sits vertically 6 Fit locking pins to stabiliser tubes then the linkage can be lowered so that the weight of the machine is taken by the stabilisers It i...

Page 16: ...supplied with every machine if additional brackets are required contact your local dealer A 12v 30Amp power supply will be required 8 Ensure the engine is switched off and then fit the P T O shaft If...

Page 17: ...ew flail head in any operating position Mesh can be retained by springs and clips supplied but it is the operator s responsibility to ensure guarding is firmly in place Warning Avoid raising the tract...

Page 18: ...Mount axle brackets as instructed on separate fitting sheet specific to your tractor type 2 Detach tractor draft links 4 Assemble sub frame to suit axle width 1m or 1 1m mount sub frame assembly to yo...

Page 19: ...original Attach tractor lift links to frame with suitable pins Note The hole sizes may not match the tractor links this will not matter as the machines weight will be carried on the stabilisers 7 Ensu...

Page 20: ...l amount of travel check all movements are functioning correctly 5 Place flail head near ground in a safe position and with tractor revs low idle select start position for the flail motor 6 Once rotor...

Page 21: ...ain assembly to the rear 3 Ensure head float is discharged and turned off 4 The arms must be slewed back into transport position and the locking pin fitted to slew post Fig 1 5 Disengage PTO 6 Slightl...

Page 22: ...per Out Autopilot Cancel Power ON OFF Power Indicator Head Crowd LH Head Out RH Head In Head Crowd LH Head In RH Head Out Reverse Rotor Hydraulic Roller Slew LH Slew In RH Slew Out Slew LH Slew Out RH...

Page 23: ...TWIGA CLASSIC 22 Cable Controls Lift Lower Out In Head In Head Out Float Transport Work Rotor Forward Rotor Back Neutral...

Page 24: ...wd LH Head In RH Head Out Slew LH Slew In RH Slew Out Slew LH Slew Out RH Slew In Tele LH Tele Out RH Tele In Tele LH Tele In RH Tele Out Head Float On Dipper LH Dipper Out RH Dipper In Dipper LH Dipp...

Page 25: ...result in severe damage i e greatly increased oil temperature risk of rotor going out of balance as well as reduced machine life and could cause expensive repairs Failure to start and stop the rotor a...

Page 26: ...the reach arm away from bump stop on the main arm failure to adhere to this warning will cause damage to ram seals and arms 1 Disengage head motor drive Ensure that the lift and head float are discha...

Page 27: ...m Warning Bracket must be in correct position or main boom may move over centre and damage cab roof if positioned too close 5 Fit transport link between lift frame and slew post 6 Fit slew locking pin...

Page 28: ...ve ground Engaging Head Drive Select 540rpm PTO and run with low engine revs With flail head in safe position switch rotor control to ON Cold start it is important not to run at full speed with cold o...

Page 29: ...or any position midway for narrow lane cutting This ram also acts as the break back ram for machine protection should an obstacle be encountered while travelling forward The break back will operate i...

Page 30: ...e of the hydraulic oil and components in hot and arduous conditions It is important to connect the power lead to the control box directly to the tractor battery It is essential to keep the radiator cl...

Page 31: ...ead Float Place flail head on the ground and switch on head float control this opens the head ram to tank and allows the ram to float in or out maintaining full contact with the ground automatically N...

Page 32: ...ler This is important as too little weight on the rear roller will leave uncut areas of grass too much weight on the roller will cause scalping in places and increase flail wear and damage We strongly...

Page 33: ...flow connection i e filler plug Avoid quick release couplings Operating the Debris Blower The fan is suitable for clearing cuttings off the highway we recommend the Blower is used on final cut only a...

Page 34: ...on the control panel The control of the rear roller is either raised or lowered there is no in between height control Height is set as above for either hedge or grass cutting Note To ensure the rolle...

Page 35: ...he green switch will allow angle float without autopilot Autopilot will only operate when the cutting head rear roller is in contact with the ground If the machine is going to be used for long periods...

Page 36: ...pposite switch has risen up the other cam and the switch has made a circuit 7 Remove the fuse mounted in the control panel and start the machine turn on the rotor switch the rotor should not spin and...

Page 37: ...rdance to the cam position Autopilot When both switches are open the main arm will hold position this is neutral or mid position when they rest in the valley between both cam peaks Slacken this bolt b...

Page 38: ...spring length is 200mm Bend lever arm of switch to align with the middle of each cam ensure they don t overlap onto the adjacent cam Move the cams apart to increase amount of weight carried on the rea...

Page 39: ...ary to temporarily lift with the main ram using hydraulic joystick and the red isolator button If you approach larger areas not to be mown i e road junction bridges and crash barriers it will be neces...

Page 40: ...ignition key never stop the engine with the PTO engaged Before leaving the tractor cab always ensure that the saw head is firmly on the ground no weight is on the tractors hydraulics and blades have...

Page 41: ...uestions Mounting the Quad Saw The blades must be mounted in a downward cut rotation Always use the blades vertically positioned in relation to the direction of travel The hydraulic hoses must be conn...

Page 42: ...ch In the event of small twigs or debris jamming the saw blades stop the machine immediately and clear the blockage with a suitable tool Ensure there is a skid mounted on the bottom of the saw attachm...

Page 43: ...nd security of all nuts and bolts Sharpen or replace worn or damaged blades and fingers Safety When cutting material take care as the branches may fall towards the tractor always using appropriate gua...

Page 44: ...ating the Telescopic Arm Use the electric switch to adjust the length of the extending telescopic dipper arm to suit working conditions and use dipper ram to vary reach as required Over frequent use o...

Page 45: ...the ground and at least two metres away from the tractor To operate the arm press rocker switch This will push the head forward Likewise press the rocker switch opposite the head will retract backward...

Page 46: ...TWIGA CLASSIC 45 Service and Maintenance Daily Grease Points TWIGA machine Optional Quad saw Head Rotor Roller Grease 1 2m head every 8 hours 5 10 pumps Optional Autopilot...

Page 47: ...ntle clean the input drive shaft sliding surfaces and re grease failure to do this will result in serious damage to the gearbox Grease both U J joints every 8 hours Oil Requirements Fill the tank to c...

Page 48: ...very high pressure when replacing hoses use only genuine hoses a burst hose could be very dangerous When replacing hoses to avoid twisting fitting use two spanners to slacken and tighten Warning Hose...

Page 49: ...is your responsibility to maintain a long reliable working life When tightening fittings always use two spanners when necessary and do not over tighten If a fitting leaks it will need to be replaced...

Page 50: ...o the paintwork Use steam cleaners with caution be sure to remove all detergents to avoid any discolouring or damage to paint Grease all grease points until fresh grease shows It is important where po...

Page 51: ...ranty will not be considered if fault is due to misuse Never cause severe sudden movements to arms Pressure will peak and will transmit back to pump resulting in failure Service Hours Service points G...

Page 52: ...bration Flails broken or missing Replace flails Bearings worn or damaged Replace bearings Rotor bend Re balance replace rotor Build up of debris Remove debris Incorrect speed Check rotor R P M Oil tan...

Page 53: ...using Check spool is free moving Broken spring in spool valve Check spring Failed ram seals Repair ram Electrically operated valve not responding Faulty wiring Check wiring and switches Dirt in valve...

Page 54: ...TWIGA CLASSIC 53 Spearhead Machinery Ltd Station Road Salford Priors Evesham Worcestershire WR11 8SW Tel 01789 491860 Fax 01789 778683 www spearheadmachinery com enquiries spearheadmachinery com...