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8999145EN: v1 26/02/2020

4

Original instructions (ENGLISH)

Website: www.spearheadmachinery.com

Twiga Carrier

This manual covers the Twiga Carrier, which comes in two versions;

•

Twiga Carrier CF20, which is a fixed arm with no breakout

•

Twiga Carrier CF30, which is a folding arm with hydraulic breakout

Both versions allow the arm to be rotated from 0 to 136 degrees on a ram-equipped unit, or from vertical to
horizontal (with small adjustments either side) on a manual actuated unit.

The arm is attached via a DIN-type mounting plate, using bolt holes or user-supplied brackets, specific to their
prime mover. The prime mover itself can be a tele-handler or a tractor with a front loader attachment

– both

types require hydraulic flow rate of 50 to 80 litres per minute for the saw motor, as well as an additional spool
valve if using the ram-equipped unit.

The arm is designed for vegetation control, to cut and thin all types of hedges, from thin to thick growth, with duty
cycles of 500 hours per annum. It is essential that all guards are fitted to the cutting attachment and the prime
mover’s cab when in use, and that the machine is operated in line with the procedures and practices detailed in
this manual.

IMPORTANT

This operator’s manual should be regarded as part of the machine. Suppliers of both new and second-hand

machines are advised to retain documentary evidence that this manual was provided with the machine.

This machine is designed solely for ground vegetation control and must not be used for any other purpose.

Use in any other way is considered as contrary to the intended use. Compliance with, and strict adherence

to, the conditions of operation, service, and repair, as specified by the manufacturer, also constitute

essential elements of the intended use.

This machine should be operated, serviced, and repaired only by persons who are familiar with its

characteristics and who are acquainted with the relevant safety procedures.

Accident prevention regulations, all other generally recognised regulations on safety and occupational

medicine, and all road traffic regulations must always be observed.

Any arbitrary modifications carried out to this machine may relieve the manufacturer of liability for any

resulting damage or injury.

It is potentially hazardous to fit or use any parts other than genuine

Spearhead

parts.

The company disclaims all liability for the consequences of such use which, in addition, voids the machine

warranty.

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Содержание Twiga Carrier CF20

Страница 1: ...8999145EN v1 26 02 2020 1 Original instructions ENGLISH Website www spearheadmachinery com Spearhead Machinery Operator Instruction Manual For 2 00m fixed and 3 00m folding cut width ...

Страница 2: ...er Name Of Installing Dealer Dealer Address Dealer Signature Date Of Delivery Installation Date Of Warranty Registration IMPORTANT At the point of transfer of ownership record the above information Note the serial number of your machine and always quote it in any communication with us or your dealer The serial number plate is located on the machine mainframe This is particularly important when ord...

Страница 3: ...11 8SW UK In terms of its design method of construction and execution thereof the item of machinery desc ribed above complies with the basic health and safety regulations of the respective EU Directives The Machinery Directive is supported by the following harmonized standards Directive 2006 42 EC Directive 2014 30 EU BS EN ISO 12100 2010 And other national standards associated with its design and...

Страница 4: ...e is operated in line with the procedures and practices detailed in this manual IMPORTANT This operator s manual should be regarded as part of the machine Suppliers of both new and second hand machines are advised to retain documentary evidence that this manual was provided with the machine This machine is designed solely for ground vegetation control and must not be used for any other purpose Use...

Страница 5: ...8999145EN v1 26 02 2020 5 Original instructions ENGLISH Website www spearheadmachinery com This page is left blank intentionally ...

Страница 6: ...er CF20 22 3 6 2 Manual Transport Working Position Operation Folding Arm Twiga Carrier CF30 22 4 Cutting Units 24 4 1 Mounting The Cutting Unit 24 4 2 Connecting The Cutting Unit Motor 24 4 2 1 Checking Cutting Disc Rotation Direction 24 5 Installation Checks 26 5 1 Breakout Checks Twiga Carrier CF30 only 26 5 1 1 Hydraulic Breakout 26 5 2 Hydraulic Hose Checks 27 5 2 1 Twists 27 5 2 2 Sharp Bends...

Страница 7: ...ble Shooting 44 10 Spare Parts 46 10 1 How To Obtain The Correct Spare Part Numbers 46 10 2 Spare Parts Ordering 47 10 3 Dealer Network 47 11 Warranty Policy Information 48 11 1 Limited Warranties 48 11 2 Remedies And Procedures 49 11 3 Limitation Of Liability 49 11 4 Miscellaneous 50 11 5 Registration Of A Demo Machine 50 11 6 Claims Procedure 50 11 7 Damage To New Machines 51 11 8 Reimbursement ...

Страница 8: ...ed from the arm on this version to allow it to be folded forward and locked for transport Both versions allow head angling through the use of a cowl bracket arrangement which can be actuated hydraulically or manually with a two position pin Both versions are also able to be reduced in width for transport purposes Twiga Carrier attaches to tele handlers and loaders arms via a DIN type mounting plat...

Страница 9: ...y constantly reviews and improves product designs and reserve the right to change this information As a consequence actual machines may vary from specification Contact your Spearhead Machinery Sales representative if you have any queries 2 All dimensions are taken with a SP25 Quadsaw 3 All lateral reach dimensions are taken from the centreline of a notional tractor with a 2030mm overall width Cons...

Страница 10: ...will naturally compress on the working side of the tractor as the arm is deployed and the centre of gravity shifts The amount is affected by tyre construction age inflation pressures and the use of local ballast weight For example a 20mm compression of the cutting side rear tyre will be magnified by the arm reach which will have an effect on the actual cut height Figure 1 3 Reach dimensions Twiga ...

Страница 11: ...5EN v1 26 02 2020 11 Original instructions ENGLISH Website www spearheadmachinery com Figure 1 4 Transport Position Twiga Carrier CF20 Fixed Left CF30 Folding Right Figure 1 5 Shipping Position Lifting point ...

Страница 12: ...ot happen Inspect the working area before commencing Remove all loose wire and obstructions and clearly mark those that are fixed so that you can avoid them Any unusual noise from the cutting unit area indicates that the cutting elements may have been fouled by an obstruction A visual indication that wire is in contact with the cutting elements may be a sudden movement of the vegetation ahead of t...

Страница 13: ...WARNING Extreme care should be taken when operating near loose objects such as gravel rocks wire and other debris Inspect the area before mowing Foreign objects should be removed from the site to prevent machine damage and or bodily injury or even death Any objects that cannot be removed must be clearly marked and carefully avoided by the operator Stop cutting immediately if the cutting elements s...

Страница 14: ...e operating voltage of all Power Lines within the work area Always contact the local Distribution Network Operator DNO who will be able to advise you on the operating voltage exclusion zones the minimum safe working distance and any additional precautions required Never attempt to operate the machine within an exclusion zone Always work with extreme caution and plan your work ahead to avoid high r...

Страница 15: ...cordance with the operating instructions in a generally open environment At equivalent daily noise exposure levels of between 85 and 90dB suitable ear protectors are recommended 2 5 Personal Protective Equipment When working in an unsealed cab or where windows and apertures are open to the environment operators are advised to wear suitable ear protectors see Section 2 4 When handling cutting surfa...

Страница 16: ...mage or wear which could impair their performance 2 7 Stability Due to the design of mowers and the work they undertake it is essential to ensure that the prime mover is stable during work and transport in order to eliminate any risk of loss of directional control imbalance or overturning Before work extend the arms to full reach slowly and ensure that at full reach the rear wheel on the opposite ...

Страница 17: ...when moved at speed Stopping this inertia suddenly can induce overturning reactions DANGER When working on inclined ground avoid high speed hydraulic movements which could cause overturning 2 9 Working On Embankments Sudden potholes at speed can quickly cause the prime mover to change direction At the same time the weight of the implement may try to lift the front axle This is a potentially lethal...

Страница 18: ...8999145EN v1 26 02 2020 18 Original instructions ENGLISH Website www spearheadmachinery com Figure 2 4a Figure 2 5b SP23 HD Cutterbar shown Figure 2 6 ...

Страница 19: ...ze exposure avoid breathing exhaust do not idle the engine except as necessary service your vehicle in a well ventilated area and wear gloves and wash your hands frequently when servicing your vehicle Battery posts terminals and related accessories contain lead and lead compounds chemicals known to the state of California to cause cancer birth defects or other reproductive harm For more informatio...

Страница 20: ...e assembly instructions will be provided with the machine WARNING Only personnel experienced in lift and hoist operation should be involved in lifting machines The lifting points indicated in the Machine general specification in chapter 1 Machine description are for machines without the cutting unit attached Ensure the correct points are used to suit the machine s condition as the centre of gravit...

Страница 21: ...iate quick release coupling on the prime mover If fitted also connect the two BSP hoses for the head angling ram to the appropriate quick release ports on the prime mover Check that the spool valve lever in the prime mover operates the cowl angling in the required direction if necessary swap the ports the hoses are connected to on the prime mover Make sure that the head is clear of objects propert...

Страница 22: ...appy with the position of the head re tighten the lock nuts to 120 Nm When transporting the Twiga Carrier the process is a reversal of the extension loosen locknuts push the arm back in to its stop re tighten locknuts 3 6 2 Manual Transport Working Position Operation Folding Arm Twiga Carrier CF30 Starting with the arm in its folded transport position Figure 3 6 2 1 the process to prepare it for w...

Страница 23: ...ry com Figure 3 6 2 5 Insert Pin Ensure that the hydraulic hoses have not been trapped or pinched in a joint The machine is now ready for operation When folding the arm for transport purposes the process is a removal of extension remove the stowage pin fold the arm re insert stowage pin ...

Страница 24: ...s and approach the cutting unit slowly using the lowest gear selection possible Once the arm set is as close as possible to the cutting unit the final adjustment can be made by the operator once they have dismounted from the prime mover Drag the pallet along the ground to accurately line the holes up Figure 4 1 1 5 Insert the set screws and tighten to 80Nm torque Connect the motor hoses from the T...

Страница 25: ... the tractor If the rotor has run in the wrong direction reverse the large hoses on the motor Figure 4 1 1 5 Line Up Holes On Cutting Unit Insert the set screws and tighten to 80Nm torque Connect the motor hoses from the Twiga Carrier Arm to the cutting unit using the male male adaptors included Re check all hydraulic connections and ensure all fasteners are secure and tight The Twiga Carrier Arm ...

Страница 26: ...ployed on Spearhead machines depending on the duty cycle envisaged for the machine Take time to familiarise yourself with the breakout supplied with your machine Make sure you are familiar with its capability before commencing work The different types are 5 1 1 Hydraulic Breakout On Twiga Carrier CF30 machines with hydraulically driven arm slewing capability there is a hydraulic breakout which ope...

Страница 27: ...ed fittings first ensuring it is in the right position for its intended run Now tighten the straight end It is possible that as the nut is tightened the hose may twist slightly If this happens slacken off the nut and turn the hose in the opposite direction to that caused by tightening Then re tighten the nut bringing the hose back to the central position Otherwise tighten the fitting fully Torque ...

Страница 28: ...81 121 68 1 1 4 210 140 280 154 87 103 24 206 49 1 1 2 290 215 365 213 86 158 55 269 17 METRIC SWIVEL FEMALE TORQUE VALUES Thread Metric Nm Imperial lbf ft Diameter mm x pitch nominal Min max nominal Min max M 16x1 5 26 25 28 19 18 18 44 20 65 M 18x1 5 37 35 39 27 29 25 81 28 76 M 22x1 5 47 45 50 34 67 33 19 36 88 M 26x1 5 89 85 94 65 64 62 69 69 33 M 30x2 0 116 110 121 85 56 81 13 89 25 M 36x2 0 ...

Страница 29: ...8999145EN v1 26 02 2020 29 Original instructions ENGLISH Website www spearheadmachinery com This page is left blank intentionally ...

Страница 30: ...ront cover of this manual The serial number is stamped on the mainframe of the arm mower and on the cowl of the cutting unit Always quote these numbers in any correspondence with a dealer The parts manual supplied with the machine is specific to the construction of the machine It will already contain the machine serial number on each page Upon delivery always confirm that the parts book serial num...

Страница 31: ...8999145EN v1 26 02 2020 31 Original instructions ENGLISH Website www spearheadmachinery com This page is left blank intentionally ...

Страница 32: ...Road lighting is clean and in working order Review the control mount in the cab for security and ease of use Check hoses for damage kinks twists chafing or weeping Check that the prime mover is equipped to supply the correct hydraulic flow and pressure Mechanical Checks Comments OK All mounting fasteners to tractor need to be checked for tightness and integrity This may require the machine being t...

Страница 33: ...tor maintenance operative has fully read and understood the specific operators manual for the given model of machine and follows the guidance and safety precautions described within it Spearhead claims no responsibility to any machine and or physical harm caused by anything other than the practice guidelines stated in its specific machine model operators manual Spearhead Machinery Ltd Station Road...

Страница 34: ...it is under load Always free the cutting attachment from any obstructions first 6 3 4 Transportation To Work Site Normally the machine will need to be driven to the work site before commencing work To keep the tractor and machine width to a minimum it is necessary to fold the arms to the transport position which is illustrated in the Machine general specification in Section 1 On Twiga Carrier CF30...

Страница 35: ...viously been cut by machine tend to have denser growth and although they can be cut to any desired shape it is advisable to trim to the same shape and height as before Cutting causes the new growth to tiller spread out and thicken up the hedge Therefore it is advisable to cut the hedge side at a slight angle rather than straight otherwise the hedge may eventually die at the bottom due to lack of l...

Страница 36: ... a pressure gauge in the circuit Using a hydraulic pressure source power pack tractor spool valve etc slowly add oil into the system until the gauge reads 90 bar 1305 PSI Vent any pressure in the system the breakout circuit will seal itself Detach the quick release fitting and gauge assembly cleaning up any spilt oil Check the breakout function in operation If after recharging the breakout does no...

Страница 37: ...8999145EN v1 26 02 2020 37 Original instructions ENGLISH Website www spearheadmachinery com This page is left blank intentionally ...

Страница 38: ...oval In the parked position the machine is on its stands with the cutting attachment on the floor If possible the cutting attachment should be placed in such a way that the stands and cutting attachment form a triangle with the bulk of the machine between them This then forms a stable tripod which can withstand inadvertently applied forces during storage and better resist toppling forces See examp...

Страница 39: ...rrier must then be lowered onto level ground Once the machine has firmly settled any locking mechanism that the prime mover employs can be retracted to leave the machine free Reverse the prime mover away from the Twiga Carrier The process is now complete For units with the hydraulic breakout fitted Twiga Carrier CF30 The arm must be folded into the transport position see Section 3 6 2 for moving t...

Страница 40: ...ith all applicable regulations Material Typically found in Disposal guideline Steel Structural components fixed guards fasteners and driveline Can be dismantled and recycled Take care when handling heavy and or sharp objects Aluminium Pump and gearbox housings serial number plates Can be dismantled and recycled Take care when handling heavy and or sharp objects Take appropriate actions for oil con...

Страница 41: ...8999145EN v1 26 02 2020 41 Original instructions ENGLISH Website www spearheadmachinery com This page is left blank intentionally ...

Страница 42: ...reduce the risk of this happening and ensure a long life from the hoses follow the guidelines below On a weekly basis Check that all hoses and their connections are in good condition and that there are no leaks or damage Pay particular attention to the rotor drive circuit Replace any hose that is leaking or damaged Check to see that hoses are not and have not been chafing against sharp edges If ev...

Страница 43: ... may be used for lubrication of pivot pins and bearings METRIC SWIVEL FEMALE TORQUE VALUES Thread Metric Nm Imperial lbf ft Diameter mm x pitch nominal Min max nominal Min max M 16x1 5 26 25 28 19 18 18 44 20 65 M 18x1 5 37 35 39 27 29 25 81 28 76 M 22x1 5 47 45 50 34 67 33 19 36 88 M 26x1 5 89 85 94 65 64 62 69 69 33 M 30x2 0 116 110 121 85 56 81 13 89 25 M 36x2 0 137 130 143 101 05 95 88 105 47 ...

Страница 44: ...e too low A dealer technician will need to check the breakout pressure c Blown ram seals Add a tap to line switch off and test If still weak then replace ram seals b Loss of gas charge nitrogen Switch off tap and hold attachment at full reach about 2m from ground Switch tap on head should drop about 0 5m If solid replace accumulator Accumulators are not serviceable 9 5 Poor cutting performance a B...

Страница 45: ...8999145EN v1 26 02 2020 45 Original instructions ENGLISH Website www spearheadmachinery com This page is left blank intentionally ...

Страница 46: ... You will need to enter the machine serial number Enter the serial number Figure 10 1 Type In Serial Number After entering the serial number a specification for the machine will appear Click on the serial number see Figure 10 2 Figure 10 2 Click On Serial Number After clicking on the serial number a full parts breakdown specific to the machine serial number will appear showing the various parts an...

Страница 47: ... only be carried out through a Spearhead dealer Spearhead does not accept direct customer parts orders over email fax or telephone For guidance on finding your local Spearhead dealer see Section 10 3 10 3 Dealer Network Spearhead has an extensive dealer network which can offer genuine replacement parts In order to make it easier to find your local Spearhead dealer the Spearhead website has a Deale...

Страница 48: ...t extend to any product from which Spearhead s serial number plate has been removed or altered This warranty does not apply to any part of the goods which has been subjected to improper or abnormal use negligence alteration modification fitment of non genuine parts accident damage or damage resulting from contact with overhead power lines damage caused by foreign objects e g stones iron material o...

Страница 49: ...arhead Please note that failure by the customer to release the machine for repair will not be accepted as a reason for delay in repair or submitting warranty claims All claims must be submitted by an authorised Spearhead Service Dealer within 30 days of the date of repair Following examination of the claim and parts Spearhead will pay at their discretion for any valid claim the invoiced cost of an...

Страница 50: ...ed at the point of first demonstration C Warranty available when retailed will be Standard warranty period plus 6 months minus the demonstration period No retail extension beyond standard warranty period D Should the machine remain as a demonstration unit beyond the standard warranty period warranty will be considered to expire at the end of the standard warranty period Example Machine With Standa...

Страница 51: ...ailure shall be accepted Not to submit to Spearhead fraudulent or intentionally misleading claims and if such claims are submitted Spearhead will charge the reasonable costs of investigating such claims and an appropriate reasonable hourly charge rate 11 7 Damage To New Machines All goods must be examined on receipt please examine all machines and packages if there is any damage or short shipment ...

Страница 52: ...8999145EN v1 26 02 2020 52 Original instructions ENGLISH Website www spearheadmachinery com Notes ...

Страница 53: ...8999145EN v1 26 02 2020 53 Original instructions ENGLISH Website www spearheadmachinery com Notes ...

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