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Spearhead Twiga Carrier CF20 Operator's Instruction Manual

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8999145EN: v1 26/02/2020
Spearhead Machinery
Operator Instruction Manual For
2.00m fixed and 3.00m folding cut width
1
Original instructions (ENGLISH)
Website: www.spearheadmachinery.com

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Summary of Contents for Spearhead Twiga Carrier CF20

  • Page 1 8999145EN: v1 26/02/2020 Spearhead Machinery Operator Instruction Manual For 2.00m fixed and 3.00m folding cut width Original instructions (ENGLISH) Website: www.spearheadmachinery.com...
  • Page 2 Verification Of Warranty Registration Dealer Warranty Information & Registration Verification It is imperative that the selling dealer registers this machine with Spearhead before delivery to the end user. Failure to do so may affect the validity of the machine warranty.
  • Page 3 8999145EN: v1 26/02/2020 EC DECLARATION OF CONFORMITY Conforming to EU Directive 2006/42/EC & ISO 9001:2015 Of SPEARHEAD MACHINERY LIMITED, Station Road, Salford Priors, Evesham, Worcestershire, WR11 8SW, UK. Declare that under our sole responsibility the product (type); Flail Mower Product Code...
  • Page 4 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.
  • Page 5 8999145EN: v1 26/02/2020 (This page is left blank intentionally) Original instructions (ENGLISH) Website: www.spearheadmachinery.com...

  • Page 6: Table Of Contents

    Controls Overview ........................20 DIN Mounting To The Prime Mover ..................20 Setting Arm Configurations ..................... 22 Manual Shift Operation - Fixed Arm – Twiga Carrier CF20 ........22 3.6.1 Manual Transport / Working Position Operation – Folding Arm - Twiga Carrier 3.6.2...
  • Page 7 8999145EN: v1 26/02/2020 Disposal ........................... 40 Maintenance ............................42 Hydraulic components ......................42 8.1.1 Valves ........................42 8.1.2 Rams.......................... 42 8.1.3 Hoses ......................... 42 Structural Components ......................43 8.2.1 Pins ..........................43 8.2.2 Greasing ........................43 Trouble Shooting........................... 44 Spare Parts ............................46 10.1 How To Obtain The Correct Spare Part Numbers ..............

  • Page 8: Machine Description

    Machine Description Intended Usage Twiga Carrier arms intended to be used exclusively with Spearhead attachments, and no other unit should be fitted. There are two versions of the Twiga Carrier: 1. a 2.0m basic fixed arm that can slide out sideways for reach and transportation;...

  • Page 9: General Arrangement

    Loader hydraulics Notes: (1) Spearhead Machinery 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.
  • Page 10 8999145EN: v1 26/02/2020 (6) All dimensions are determined from computer models. As a result actual measurements may vary as a result of deflections due to weight. Tractor tyres will naturally compress on the working side of the tractor as the arm is deployed and the centre of gravity shifts.
  • Page 11 8999145EN: v1 26/02/2020 Figure 1.4 Transport Position – Twiga Carrier CF20 Fixed (Left), CF30 Folding (Right) Lifting point Figure 1.5 Shipping Position Original instructions (ENGLISH) Website: www.spearheadmachinery.com...

  • Page 12: Safety

    8999145EN: v1 26/02/2020 Safety Safety Warnings The operator must read, understand and follow all of the Safety instructions. Serious injury or death may occur unless care is taken to follow the warnings and instructions provided. The level of safety is indicated in three levels and the following notation is used throughout this operator instruction book;...

  • Page 13: Emergency Stop

    There are significant dangers involved when working in the vicinity of Overhead Power Lines (OHPL’s). Be aware that some Spearhead machines are capable of reaches in excess of 8 metres (26’) and have the potential to well exceed; (by possibly 3 metres (9’ 9”); the lowest legal minimum height of 5.2 metres from the ground for 11,000 and 33,000 volt power lines, see Figure 2.1 - Minimum Heights For Overhead Power Lines...

  • Page 14: Risk Assessment

    8999145EN: v1 26/02/2020 WARNING! Fatal electrocution can occur without contacting a power line. Due to the high electrical potential between the conductors and the ground a flash over can occur from the power line to any conducting medium within range. Steel cutting machines are ideal conductors. Wherever possible the safest option is always to avoid working in areas close to OHPL’s.

  • Page 15: Noise

    8999145EN: v1 26/02/2020 Figure 2.2 - Absolute Minimum Exclusion Zones For Specific Overhead Power Lines Figure 2.3 - Definitions Of Exclusion Zones Noise The equivalent daily personal noise exposure from this machine, measured at the operator's ear, is within the range of 80-85dB when used in conditions where the load fluctuates between zero and maximum.

  • Page 16: Cab Guarding

    Spearhead Machinery disclaim all responsibility for any damage or injury arising as a result of guards being removed, or of guards other than of Spearhead manufacture having been fitted, or of operation of the machine other than in accordance with these instructions.

  • Page 17: Working On Inclined Ground

    When working on top of embankments it is very important to have sufficient forward stability to ensure rapid steerage control. Spearhead recommend 20% forward stability. This means that at least 20% of the total vehicle weight is acting on the steering axle under normal level conditions.
  • Page 18 8999145EN: v1 26/02/2020 Figure 2.4a Figure 2.5b (SP23-HD Cutterbar shown) Figure 2.6 Original instructions (ENGLISH) Website: www.spearheadmachinery.com...

  • Page 19: Proposition 65

    8999145EN: v1 26/02/2020 2.10.1 Proposition 65 Operating, servicing and maintaining this equipment can expose you to chemicals including gasoline, diesel fuel, lubricants, petroleum products, engine exhaust, carbon monoxide, and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. To minimize 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.

  • Page 20: Machine Preparation

    Spearhead does not endorse the use of water ballast within tyres as this can have adverse effects on fore aft stability at speed.
  • Page 21 8999145EN: v1 26/02/2020 The plates shown are supplied with the loader arms, and are then bolted to the Twiga Carrier DIN plate – this is easiest with the Twiga Carrier stood on its transport legs, at a comfortable height to work on. Once the fasteners are tightened up (to the torque specified in Section 4, the arm is ready to be mounted on the loader.

  • Page 22: Setting Arm Configurations

    8999145EN: v1 26/02/2020 Setting Arm Configurations Manual Shift Operation - Fixed Arm – Twiga Carrier CF20 3.6.1 In order to move the fixed arm variant between cutting and transport positions, a spanner or socket set with extension will be required.
  • Page 23 8999145EN: v1 26/02/2020 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 Original instructions (ENGLISH) Website: www.spearheadmachinery.com...

  • Page 24: Cutting Units

    8999145EN: v1 26/02/2020 Cutting Units Mounting The Cutting Unit With the machine assembled, the cutting unit can now be fitted to the end of the arms. To do this; The Twiga Carrier includes a cowl interface bracket that mates to the cutting units bolt holes. The cutting unit itself will typically be stored on a pallet, on the ground, with its blades flat to the pallet.
  • Page 25 8999145EN: v1 26/02/2020 Start the tractor and engage the Hydraulic drive service. Switch on the rotor control from the prime mover cab. Check the direction of rotation of the rotor. Stop the rotor and the tractor. If the rotor has run in the wrong direction, reverse the large hoses on the motor. Figure 4.1.1.5 –...

  • Page 26: Installation Checks

    To monitor on going capability Spearhead Machinery endorses the maintenance of operator training records. There are several types of breakout employed 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.

  • Page 27: Hydraulic Hose Checks

    As a general guideline hoses should not be bent round a radius smaller than ten times the hose diameter. This will vary with hose construction and any queries about specific hoses should be addressed to the Spearhead Machinery service department. Figure 5.3 Original instructions (ENGLISH) Website: www.spearheadmachinery.com...

  • Page 28: Chafing Hoses

    8999145EN: v1 26/02/2020 5.2.3 Chafing Hoses It is important that hoses are fitted and clamped so that hose chafing is avoided. Always give plenty of clearance around sharp edges see Figure 5.4. Figure 5.4 BSP SWIVEL FEMALE TORQUE VALUES Thread Metric (Nm) Imperial (lbf.ft) Diameter...
  • Page 29 8999145EN: v1 26/02/2020 (This page is left blank intentionally) Original instructions (ENGLISH) Website: www.spearheadmachinery.com...

  • Page 30: General Operation

    Section 6.2.2 below offers a pro-forma for an inspection record sheet which can be used when inspecting a Spearhead Twiga Carrier. This form can be photocopied from the manual. When completed and filed in a machine log these records together with the operator training records and service records can accumulate to a useful machine ownership record.
  • Page 31 8999145EN: v1 26/02/2020 (This page is left blank intentionally) Original instructions (ENGLISH) Website: www.spearheadmachinery.com...
  • Page 32 8999145EN: v1 26/02/2020 Select Pre-delivery inspection: MACHINE INSPECTION Select RECORD Installation inspection: (For Twiga Carrier CF20/30) Select Daily pre-work inspection: Model: Serial No: Inspector name (print): Inspection date: Company/Position: Inspector signature: Visual Checks Comments Check that an operator’s instruction manual in the correct language for the working territory is in the machine document holder.
  • Page 33 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.

  • Page 34: Basic Machine Controls

    8999145EN: v1 26/02/2020 Basic Machine Controls Check that the prime mover is equipped to deliver the correct hydraulic flow and pressure for the fitted cutting unit. Refer to the operator manuals for the fitted cutting unit and the prime mover. The Twiga Carrier attachment is a very basic system that can be ordered without any additional control of the attachment, other than turning the hydraulic motor on and off for the blades.

  • Page 35: Cutting Guidelines

    8999145EN: v1 26/02/2020 loads into the mainframe which is rigidly attached to the tractor. Spearhead Machinery will not warrant damage bought about by abuse of the machines intended use or neglectful handling. Cutting Guidelines 6.4.1 The Work Area Examine the piece of work to be cut. It is very important that the work site is inspected before cutting and all hidden obstructions removed or their position clearly marked so that they may be avoided.
  • Page 36 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 not operate correctly, please contact your nearest Spearhead authorised dealership. Figure 6.5.1.1 – BSP Fitting Original instructions (ENGLISH) Website: www.spearheadmachinery.com...
  • Page 37 8999145EN: v1 26/02/2020 (This page is left blank intentionally) Original instructions (ENGLISH) Website: www.spearheadmachinery.com...

  • Page 38: Removal, Storage And Disposal

    8999145EN: v1 26/02/2020 Removal, Storage And Disposal Before removing the machine from the tractor a thorough check of the machine should be made. Preparation For Storage Thoroughly clean all moving parts, particularly the cutting unit. Check that all blades are in place and that they are in good condition.

  • Page 39: Mounting The Twiga Carrier

    For units without the hydraulic breakout (Twiga Carrier CF20): The arm must be retracted into the transport position (see Section 3.6.1 for moving the fixed arm in...

  • Page 40: Disposal

    In most instances Spearhead machines can be broken into its constituent parts with the use of basic workshop equipment. Figure 7.2 contains a typical list of constituent materials, together with disposal guidelines.
  • Page 41 8999145EN: v1 26/02/2020 (This page is left blank intentionally) Original instructions (ENGLISH) Website: www.spearheadmachinery.com...

  • Page 42: Maintenance

    8999145EN: v1 26/02/2020 Maintenance For routine maintenance or repair spare parts may be obtained from the Spearhead parts department. To obtain correct part numbers; use the Spearhead on-line parts books. These are available at dealerinside.spearheadmachinery.com/partsmanuals/manual.aspx. You will need to enter the machine serial number.

  • Page 43: Structural Components

    8999145EN: v1 26/02/2020 METRIC SWIVEL FEMALE TORQUE VALUES Thread Metric (Nm) Imperial (lbf.ft) Diameter nominal Min - max nominal Min - max (mm x pitch) M 16x1.5 25 -28 19.18 18.44 - 20.65 35 – 39 25.81 – 28.76 M 18x1.5 27.29 45 –...

  • Page 44: Trouble Shooting

    Machinery shaft reconditioning service a) Forward cutting speed too Reduce forward cutting speed fast Blades continually stall If a worn motor is suspected, take b) Worn motor machine to a Spearhead dealer for a full hydraulic diagnostic check Original instructions (ENGLISH) Website: www.spearheadmachinery.com...
  • Page 45 8999145EN: v1 26/02/2020 (This page is left blank intentionally) Original instructions (ENGLISH) Website: www.spearheadmachinery.com...

  • Page 46: Spare Parts

    Spare Parts 10.1 How To Obtain The Correct Spare Part Numbers For correct part numbers; use the Spearhead interactive online parts books. These are available at http://dealerinside.spearheadmachinery.com/partsmanuals/manual.aspx. You will need to enter the machine serial number. Enter the serial number.

  • Page 47: Spare Parts Ordering

    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 Dealer Locator facility. http://www.spearheadmachinery.com/dealer-locator/ To find your local Spearhead dealer enter your location or postcode into the “Your location” box and then press “Search”;...

  • Page 48: Warranty Policy Information

    Warranty Policy Information All machines must be registered, by the selling dealer with Spearhead, before delivery to the end user. On receipt of the goods it is the buyer’s responsibility to check that the Verification of Warranty Registration in the Operator’s Manual has been completed by the selling dealer.

  • Page 49: Remedies And Procedures

    Any fault must be reported to an authorised Spearhead dealer as soon as it occurs. Continued use of a machine, after a fault has occurred, can result in further component failure for which Spearhead cannot be held liable.

  • Page 50: Miscellaneous

    11.4 Miscellaneous Spearhead may waive compliance with any of the terms of this limited warranty, but no waiver of any terms shall be deemed to be a waiver of any other term. If any provision of this limited warranty shall violate any applicable law and is held to be unenforceable, then the invalidity of such provision shall not invalidate any other provisions herein.

  • Page 51: Damage To New Machines

    When the above time scales are not adhered to Spearhead reserves the right to reduce the value or reject the claim. No request to re-assess or investigate a warranty claim previously validly submitted and processed by Spearhead after a period of 12 months from the date of failure shall be accepted.
  • Page 52 8999145EN: v1 26/02/2020 Notes Original instructions (ENGLISH) Website: www.spearheadmachinery.com...
  • Page 53 8999145EN: v1 26/02/2020 Notes Original instructions (ENGLISH) Website: www.spearheadmachinery.com...

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