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Summary of Contents for Spearhead TWIGA FLEX 5000
- Page 2 Spearhead Important information TWIGA Flex Handbook 4. Edition – Dec 2015 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.
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Page 3: Table Of Contents
Spearhead Contents Introduction ........................4 Useful information ......................5 CE Declaration of Conformity ..................6 Vehicle/tractor preparation .................... 7 Vehicle Ballast ......................7 Front weights ......................7 Rear weights ....................... 7 Factors that affect stability ..................8 Suggestions to increase stability ................8 Safety Stickers ....................... - Page 4 Spearhead Operating the head angle float ................40 Arm float ........................41 Operating the arm float ..................41 Automatic vertical control: Auto Flex ..............42 Operating Auto Flex .................... 42 Hydraulic rear roller ....................43 Hedge cutting ....................... 43 Grass cutting ......................43 Auto pilot .........................
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Page 5: Introduction
Spearhead Introduction Dear customer! Your new Greentec machine is constructed with background in more than 20 years experience with tractor mounted machines to maintenance of green areas. This machine is produced by the latest technology and recognized safety regulations, standards and regulations. -
Page 6: Useful Information
Spearhead Useful information Before using the machine for the first time, it’s the seller’s responsibility that the buyer is given this manual, and the seller is sure, that the buyer fully understands the manual’s contents. If the machine is resold, the manual must be transferred to the new owner. -
Page 7: Ce Declaration Of Conformity
Spearhead Merkurvej 25, DK-6000 Kolding, Denmark CE Declaration of Conformity Adapted EEC directive EG Guideline 2006/42/EF, 89/392/EEC & 98/37/EC We, GreenTec A/S, Merkurvej 25, 6000 Kolding, hereby declare that in terms of its design, method of construction and our execution thereof, the item of machinery described below complies with the basic health and safety regulations of the respective EU Directives. -
Page 8: Vehicle/Tractor Preparation
Spearhead Vehicle/tractor preparation We recommend vehicles are fitted with cabs using ‘safety glass’ windows and protective guarding when used with our machines. Fit Operator Guard (See drawing) using the hooks provided. Shape the mesh to cover all vulnerable areas. The driver must be... -
Page 9: Factors That Affect Stability
Spearhead Factors that affect stability Centre of gravity of the tractor/machine combination. Geometric conditions, e.g. position of the cutting head and ballast. Weight, track width and wheelbase of the tractor. Acceleration, braking, turning and the relative position of the cutting head during these operations. -
Page 10: Safety Stickers
Spearhead Safety Stickers Warning Warning Avoid fluid escaping under Stop engine and remove key pressure. Consult technical before performing manual for service maintenance or repair work. procedures Warning Warning Check all nuts and bolts Danger – flying are tight every 8 hours –... -
Page 11: Safety
Spearhead Safety This machine has the potential to be extremely dangerous - in the wrong hands it can kill or maim; it is therefore imperative that both owner and operator of the machine reads and understands the following section to ensure they are fully aware of the dangers that do, or may exist, and their responsibilities surrounding the use and operation of the machine. -
Page 12: Additional Safety Advice
Spearhead Additional Safety Advice Training Operators need to be competent and fully capable of operating this machine in a safe and efficient way prior to attempting to use it in any public place. We advise therefore that the prospective operator make use of relevant training courses available such as those run by the Agricultural Training Board, Agricultural Colleges, Dealers and GreenTec. -
Page 13: Use Of Warning Signs
Spearhead Use of Warning Signs ▲ On two-way roads one set of signs is needed facing traffic in each direction. ▲ Work should be within 1 km of the signs. ▲ Work only when visibility is good and at times of low risk e.g.: NOT during ‘rush-hour’. -
Page 14: Safety Recommendations
Spearhead Safety Recommendations Beware of the following Potential Dangers associated with the use of this machine: • Becoming trapped when hitching or unhitching • Tractor overbalancing when arm is extended • Electrocution due to hitting overhead power lines • Getting caught on rotating power take off (PTO) •... - Page 15 Spearhead machine working in the vicinity. Signs should be placed at both ends of the work site and should be in accordance with Department of Transport recommendations. • Ensure flails are of the type recommended by the manufacturer, are securely fitted and are undamaged.
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Page 16: Overhead Power Lines
Spearhead Overhead Power Lines It cannot be stressed enough the dangers involved when working in the vicinity of Overhead Power Lines (OHPLs). Some of our machines are capable of reach in excess of 8 metres (26’); they have the potential to well exceed, by possibly 3 metres (9’... - Page 17 Spearhead Definitions of Exclusion Zones Risk Assessment Before starting to work near OHPLs you should always assess the risks. The following points should be observed; Know the risks of contacting OHPLs and the risk of flashover. Find out the maximum height and maximum vertical reach of your machine.
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Page 18: Specifications
Spearhead Specifications Type 4000 Flex 5000 Flex 6000 Flex 6000 T Flex A range m B range m (with LRS 2001) C range m D range m E range m Type 7000 Flex 7000 LR Flex 7000T Flex 7000 LRT Flex... -
Page 19: Attaching Machine To The Tractor - 3 Point Linkage
Spearhead Attaching Machine To The Tractor – 3 Point Linkage 1. Reverse tractor to machine and attach lower 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. - Page 20 Spearhead 4. Raise machine to required height. Both P.T.O. shafts should be roughly in-line, an upward angle of up to 17° is acceptable to ensure adequate clearance. 5. Adjust the top link so that the machine sits vertically. 6. Fit locking pins to stabiliser tubes,...
- Page 21 Spearhead 7. It is recommended that the controls are mounted in-place of the seat armrest on the side of the cutting head. A pivoting bracket is supplied with every machine, if additional brackets are required contact your local dealer. A 12v/30Amp power supply will be required.
- Page 22 Spearhead 9. Raise leg stands to ensure they don't get damaged. Adjust check chains ensure the machine is secure and cannot swing from side to side. 10. Use only tractors with safety glass. If windows are not laminated safety glass, polycarbonate glazing must be fitted between operator and cab meshing.
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Page 23: Attaching Machine To The Tractor - Axle Mounting
Spearhead Attaching Machine To The Tractor – Axle Mounting Mount axle brackets as instructed on separate fitting sheet specific to your tractor type. 2. Detach tractor draft links. 3. Fit lift-in hitch assembly 4. Assemble sub frame to suit axle width 1m or 1.1m, mount sub frame assembly... - Page 24 Spearhead 5. Offer up frame to tractor and adjust to give required length. Distance “X” to be kept to the minimum ensuring the machine is close coupled, as a guide set the same as original. Attach tractor lift links to frame with suitable pins.
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Page 25: Running Up Your Machine
Spearhead Running Up Your Machine 1. First ensure the rotor is in the ‘off’ position and P.T.O. drive is disengaged, and then start the tractor. 2. Engage P.T.O. into gear and run machine up to half revs allowing oil to circulate for about 5 minutes before operating arms 3. -
Page 26: Removing From The Tractor
Spearhead Removing from the tractor The following steps MUST be followed in exactly the same order in which they appear, with removal of the top link being the last action before driving the tractor away. Do not attempt to operate machine controls through the rear cab window whilst standing on or amongst the linkage. -
Page 27: Settings For Daily Use
Spearhead Settings for daily use Joystick-type: STD 2010-2012 Power On / Off Head Float Arm Float (Option Autopilot) Available (Option Hydr. parallel handling) Turn Head Available (Option Telescope) Rotor On / Off Turn arm Vertical control Tip head Option: Oversteering Autopilot... -
Page 28: Joystik-Type: Std. Auto Flex 2013
Spearhead Joystik-type: STD. Auto Flex 2013 Power On / Off Head Float Arm Float (Option Autopilot) Auto Flex Vertical control Available (Option Telescope) Rotor On / Off Turn arm Turn head Tip head Option: Oversteering Autopilot Twiga Flex... -
Page 29: Adjusting The Flail Head
Spearhead Adjusting the Flail Head A flail head with direct flow gives the advantage of minimizing the weight at the end of a long arm thanks to the compact shaping and in the form of reduced maintenance. Runs with a fixed speed of 2800 rpm. -
Page 30: Rotation Settings
Spearhead Rotation settings High Speed Low Speed Twiga Flex... -
Page 31: Hedge Trimming Set-Up
Spearhead Hedge trimming set-up Recommended set-up 1.2m or 1.5m rotor Rear roller T” flails or “L” flails Rear flap Rear roller settings Raise to just clear the top of the hedge. The adjustable front hood should be adjusted as low as possible without hindering the hedge getting into the flail head. -
Page 32: Grass Cutting
Spearhead Grass cutting Recommended for grass cutting • • 1.2 rotor ”C” flails or ”Y” flails • • Rear roller Front and rear flap • • Cowl wear plate Head float • • Option – “L” flails Auto Pilot Note: 1.5 m head is not recommended for grass cutting... -
Page 33: Operational Warnings
Spearhead Operational Warnings • Never drive the tractor with arm out stretched (except when cutting). When moving at work always first retract arms. Transport with care. Metal fatigue is always caused by careless transportation and misuse. If the ground is uneven or bumpy slow down. -
Page 34: Moving Into Transport Position
Spearhead Moving into transport position Warning Always transport machine with the slew-locking pin fitted and the arms closed in the transport position on the bump stops. Avoid high transport speeds, which will cause unnecessary strain on machine and tractor. Never travel with 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. - Page 35 Spearhead Slowly raise the main arm. Be careful not to hit the cabin – make sure the gap is at least 300 mm. Make sure the tool is hanging as protected as possible. The transport position may vary according to machine and tractor.
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Page 36: Operation
Spearhead Operation • Remove locking pin from slew post. • Ensure rotor/motor switch is “OFF”. • Engage PTO low revolutions • Position head 45˚ compared to the dipper arm. • Extend main lift hydraulic cylinder until main arm is upright. -
Page 37: Break Back
Spearhead Break Back Manual - Yellow Switch “Off” The Twiga Flex has as standard a slew ram to position the machine from transport to work 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. -
Page 38: Collision Safety Function Range
Spearhead Collision safety Function Range Forward Normal working position for cutting grass. Can be used for hedgecutting.. Break-Back device works 100% while driving forward. 0% when reversing while the ram is completely out . Forward Normal working position for hedge cutting. -
Page 39: Tractor Forward Speed
Spearhead Tractor forward speed Too high a forward speed will impair the finish, leaving it looking ragged and cause over frequent use of the break back, Possible overloading of the motor which will overheat the oil. A slower forward speed improves the standard of the finish. -
Page 40: Wire Trap
Spearhead Wire trap This is located under the front hood. It must not be interfered with in any way. Any wire must be removed immediately. Lower rotor to ground, select rotor control lever to “OFF” and wait until rotor stops spinning. -
Page 41: Extra Equipment
Spearhead Extra equipment Angle float This extra equipment allows the cutting head to follow the contours of the ground without it being necessary to check the angle of the head regularly. Head float Operating the head angle float Lower the cutting head to the ground and engage the head angle float control. -
Page 42: Arm Float
Spearhead Arm float This is only to be used in verge mowing set up, it will reduce weight on the rear roller allowing head to move more easily, following small changes in ground contours in a forward motion, with the aid of a pre-... -
Page 43: Automatic Vertical Control: Auto Flex
Spearhead Automatic vertical control: Auto Flex This equipment gives you advantages when cutting both grass and hedges. The automatic vertical control constantly monitors that ”Rotor-Flex” remains vertical, enabling you to drive your Twiga Flex more effectively. Rotorflex in vertical position... -
Page 44: Hydraulic Rear Roller
Spearhead Hydraulic rear roller Hedge cutting Grease daily The settings for cutting hedges have large gaps between the positions at the bottom of the adjustment point. Grass cutting The settings for cutting grass have small gaps between the positions. The hydraulic rear roller is controlled by a switch on the control panel. The control of the rear roller is either raised or lowered;... -
Page 45: Autopilot
Spearhead Auto pilot The Autopilot is an automatic control system for use when cutting on the ground. It operates by sensing the weight on the rear roller and maintaining this within a narrow band without the attention of the operator. When the angle of the area being mown is more than 45°... -
Page 46: Set-Up: Correct Position Of Micro Switches
Spearhead Set-Up: Correct position of micro switches Bolt “A” Screw “B” Fig. 2 1. Place rear roller on the ground 2. Ensure the locking pins (fig.1) are installed into the Auto-pilot with the arm fully lowered 3. Engine turned off, key removed and PTO disengaged. - Page 47 Spearhead 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. Fig. 3 Slacken this bolt before adjusting the position of cams, increase sensitivity by moving the cam peaks together reduce auto pilot sensitivity by moving them apart.
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Page 48: Auto Pilot Switch Alignment
Spearhead Auto Pilot Switch Alignment Bend lever arm of switch to align with the middle of each cam, ensure they don’t overlap onto the adjacent cam. Alternative Settings Move the cams apart to increase amount of weight carried on the... -
Page 49: Operation Of The Autopilot
Spearhead Operation Of The Autopilot To activate Autopilot first slew the head into work position and lower the head horizontally onto the ground. Remove the 2 transport pins. Raise the head 300 - 400mm off the ground and ensure AHS is switched on, engage rotor drive and then switch on Autopilot. -
Page 50: Quad Saw
Spearhead Quad Saw • Never operate the machine with other people present, as it is possible for debris to be thrown from the saw blades in all directions. • Always ensure all cab safety guards are in place and all tractor windows are closed. -
Page 51: Technical Data
Spearhead Technical Data Quadsaw for mounting on hydraulic hedge cutters. Frame with 4 shafts. 500 mm or 590 mm saw blades. Depending on model. Each shaft is driven by vee belts, and the whole unit is powered by a hydraulic motor. -
Page 52: Belt Diagram
Spearhead Belt diagram LRS 2001 LRS 2401 Tool for belt tension control Part no. 200155.0 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. -
Page 53: Quad Saw Operating Instructions
Spearhead Quad Saw Operating Instructions It is recommended to travel forward slowly when starting work in order to maintain the correct speed of the blades. Adjust the angle of the saw to present the branches approx 90° to the blades. Always ensure the blades are vertical to allow cut branches to fall away. -
Page 54: Service And Maintenance
Spearhead Service and maintenance Greasing Daily grease points Twiga Flex Head rotor & roller Optional – Auto pilot Grease 1.2m head every 8 hours (min. 10 pumps). Weekly grease it with 40-50 pumps so grease are comming out at the Rotor. -
Page 55: Lubrication Chart
Spearhead Lubrication chart Daily Weekly Monthly Rotorbearings Grease 10 pumps Grease 40-50 pumps PTO bearings Grease PTO shaft tubes Grease Pivot pins Grease Roller bearings Grease Grease Oil tank Check Gearbox Check Flail head Grease After washing your machine Grease all your machine and optional parts after each wash. -
Page 56: Hydraulic Hoses
Hoses with damaged metal braid should be replaced. The Spearhead hydraulic system works at very high pressure, when replacing hoses use only genuine hoses, a burst hose could be very dangerous. -
Page 57: Oil Supply
Spearhead Oil Supply • Daily before starting up check oil level in tank reservoir. • It is a good practice to constantly keep an eye on the tank level gauge, (this can be seen from the tractor seat) as a pipe burst could empty the tank within minutes. - Page 58 Spearhead Twiga Flex with Danfoss PVG 32 2006 Fig. 1 P171741 Filter liner 2 K040675 High pressure filter kpl Twiga Flex is cleaned to 10 My or below before deliverance. Twiga Flex...
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Page 59: Flail Head
Spearhead Flail head • Grease all bearings daily. Grease rotor bearing daily with at least 10 pumps. Additional greasing will increase the lifespan. Grease rotor bearings weekly until grease shows, at least 40-50 pumps. • Check for strings, plastic, grass or other debris around the rotor shaft and rear rollers. -
Page 60: Pins & Bushes
Spearhead Pins & Bushes All main pivot points are furnished with replaceable bushes. If there are any signs of wear, these must be replaced. All bushes are available from the GreenTec Parts Department. Warning Do not use grease containing Molybdenum disulphide on nylon bushes and wear... -
Page 61: Trouble Shooting
Spearhead Trouble shooting Problem Cause Solution Gearbox overheating Oil level incorrect Check oil level Oil grade incorrect Check oil grade Implement overloaded Reduce forward speed Wrong PTO speed Ensure PTO speed matches Excessive belt wear Belt and pulley condition Replace if necessary... -
Page 62: Regular Services Chart
Spearhead Regular Services Chart Service Hours Service points 1-4 hrs Bolts are fully tightened Condition of flails Condition of hoses especially for chafing Flail bolts are fully tightened Flail head retaining bolts are fully tightened Gearbox seals (If oil is leaking replace... -
Page 63: Hydraulic And Electrical Diagrams
Spearhead Hydraulic and electrical diagrams Twiga Flex... - Page 64 Spearhead Twiga Flex...
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Page 67: Greentec Warranty
Spearhead GreenTec Warranty GreenTec warrants that the GreenTec machine referred to in the Warranty Registration Form will be free from defects in materials and workmanship for a period of 12 months from the date of sale. This warranty does not affect your statutory rights, but merely adds to them.
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