Spearhead Trisaw Series Operator's Instruction Manual

Vegetation control hydraulic drive saw blade attachment
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8999146EN: v1 26/02/2020
Spearhead Machinery
Operator Instruction Manual For
1.50m, 2.00m and 2.50m cut width
1
Original instructions (ENGLISH)
Website: www.spearheadmachinery.com

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Summary of Contents for Spearhead Trisaw Series

  • Page 1 8999146EN: v1 26/02/2020 Spearhead Machinery Operator Instruction Manual For 1.50m, 2.00m and 2.50m 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 8999146EN: 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); Attachment 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.
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  • Page 6: Table Of Contents

    8999146EN: v1 26/02/2020 Contents List Machine Description ..........................8 Intended Usage......................... 8 General Arrangement ....................... 9 Machine General Specification....................9 Machine Identification ......................10 Safety ..............................12 Safety Warnings ........................12 Emergency Stop ........................13 Dangers Due To Overhead Power Lines ................13 2.3.1 Risk Assessment .......................
  • Page 7 8999146EN: v1 26/02/2020 Transporting The Sawblade ....................41 Maintenance ............................44 Belts ............................44 5.1.1 Access ........................44 5.1.2 Tensioning ......................... 44 Replacing Blades ........................50 Hoses ............................51 Machine Inspection Record ....................52 Machine Storage ........................54 5.5.1 Preparing The Machine For Storage & Reintroduction Into Work ......54 Troubleshooting ............................
  • Page 8: Machine Description

    Machine Description Intended Usage. Spearhead heavy-duty Trisaw and Quadsaws are hydraulic boom mounted sawblade attachments for the cutting of trees and branches. Available in three working widths, the 1.5m Trisaw is the smallest machine in the range equipped with three belt-driven tungsten carbide tipped sawblades capable of cutting materials up to 150mm diameter.
  • Page 9: General Arrangement

    255kg (562lbs) Table 1.1 Notes: (1) Spearhead constantly reviews and improves product designs and reserve the right to change this information. Actual machines may vary from the above specification. Contact your Spearhead Sales representative if you have any queries. (2) All dimensions are determined from computer models, so actual measurements may vary slightly.
  • Page 10: Machine Identification

    Model Year Figure 1.3 – Serial Plate Data on the Spearhead manufacturer’s plate should always be referred to when requesting assistance and/or requiring replacement spare parts. This data can identify the machine and its characteristics and specification for its particular time of manufacture, certifying that it responds to current regulations.
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  • Page 12: Safety

    8999146EN: 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

    Dangers Due To Overhead Power Lines 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 Original instructions (ENGLISH)
  • Page 14: Risk Assessment

    8999146EN: v1 26/02/2020 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. DANGER! All operators must read the following information and be aware of the risks and dangers involved when working in the vicinity of Overhead Power Lines (OHPL’s).
  • Page 15 8999146EN: v1 26/02/2020 Figure 2.1 - Minimum Heights For Overhead Power Lines Figure 2.2 - Absolute Minimum Exclusion Zones For Specific Overhead Power Lines Figure 2.3 - Definitions Of Exclusion Zones Original instructions (ENGLISH) Website: www.spearheadmachinery.com...
  • Page 16: Noise

    Always replace guards that have damage or wear which could impair their performance The sawblade itself is a unique way to cut compared to the rest of the Spearhead range. The sawblades run in the cowl with very little guarding due to the way the discs are designed to operate.
  • Page 17: Stability

    8999146EN: v1 26/02/2020 When using the machine on a loader frame or a forward reach reach arm, the machine attachment is in front and above the driver’s cab. This makes it necessary to always work with guarding fixed around the front and side of the cab, a typical installation is shown below.
  • Page 18: 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 19: Working In Public Places

    IMPORTANT: Always use genuine Spearhead parts when carrying out repairs and maintenance with thoughts to longevity and reliability of the machine and personnel safety.
  • Page 20 Ensure that when the machine inspection is carried out that the machine is stationary and not running. Where parts are broken, damaged and deemed not fit for use; replace with genuine Spearhead parts using the online Dealer Inside facility at: http://dealerinside.spearheadmachinery.com/partsmanuals/manual.aspx...
  • Page 21: Safety Distances

    8999146EN: v1 26/02/2020 2.13 Safety Distances Never allow any bystanders within a 90 metre radius of the machine when operating. Stop the machine immediately if this safety area is entered and do not restart the machine until the bystanders have escaped the area sufficiently and the working area has been reassesed.
  • Page 22: Safety Decals

    8999146EN: v1 26/02/2020 Figure 2.7 2.15 Safety Decals Safety decals are located in various points on the machine; see Figures 2.8 and 2.9. They can be identified in yellow with the upper panel depicting the hazard, and the lower panel indicating means of avoidance or precautions to be taken.
  • Page 23: The Machine & The Environment

    In most instances Spearhead machines can be broken into its constituent parts with the use of basic workshop equipment. Table contains a typical list of constituent materials, together with disposal guidelines.
  • Page 24: Proposition 65

    8999146EN: v1 26/02/2020 2.17 Proposition 65 Figure 2.10 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.
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  • Page 26: 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 27: Controls Overview

    Controls Overview Your Spearhead machine will be supplied without a control system and will rely on the auxiliary controls available with the tractor and reach arm. The operator must make sure he is familiar with the use of the tractor and reach arm auxiliary controls.
  • Page 28: Attaching To The Reach Arm

    8999146EN: v1 26/02/2020 Attaching To The Reach Arm Equipment Required • 24mm spanner • 24mm socket • Torque wrench The sawblade attaches to the pivot flange of the reach arm and is secured with four bolts and locknuts; torque locknuts evenly to 203Nm (150 ft.lb). Figure 3.3 With the sawblade located on a firm level site, operate the reach arm to position the pivot flange adjacent to the mounting flange of the sawblade;...
  • Page 29: Blade Cutting Direction

    8999146EN: v1 26/02/2020 Blade Cutting Direction Figure 3.4 WARNING! Blades must cut downwards on the leading edge in the direction of tractor travel Hydraulic Installation CAUTION! Relieve hydraulic pressure before disconnecting lines or working on the system. This can be done by pushing and pulling/pushing the selected tractor lever/button. Only once this has been completed and suitable safety glasses and impenetrable gloves have been put on can the hydraulic hoses be removed from the tractor.
  • Page 30: Hydraulic Hose Checks

    8999146EN: v1 26/02/2020 LH Models RH Models Figure 3.5 Hose Pressure Return Drain Line Run the machine to confirm that the blade rotation direction is correct. Switch machine off and inspect the hoses and connections for signs of leaks. Check belt tension before using the machine for work, refer to belt tensioning section. Disconnecting IMPORTANT: The machine should be secure at all times when left unattended so it doesn’t move.
  • Page 31: Sharp Bends

    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 3.7 Original instructions (ENGLISH) Website: www.spearheadmachinery.com...
  • Page 32: Chafing Hoses

    8999146EN: v1 26/02/2020 3.9.3 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 3.8. Figure 3.8 BSP SWIVEL FEMALE TORQUE VALUES Thread Metric (Nm) Imperial (lbf.ft) Diameter...
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  • Page 34: Usage Instruction

    Section 2.14. The connecting tractor and reach arm will also have them as well with information given in the operator’s manual. If any part of the operation safe use of the machine is not completely understood, consult a local Spearhead dealer or Spearhead for complete explanation.
  • Page 35: Work Site Assessment

    8999146EN: v1 26/02/2020 Work Site Assessment 4.2.1 Foreign Debris Hazards The destined work site to use the machine should be thoroughly checked and familiarised following the guidance given in Section 2.11 to assess the working area for hazards; removable and fixed. Items should be assessed, removed or clearly marked (e.g.
  • Page 36: Bystanders

    8999146EN: v1 26/02/2020 4.2.2 Bystanders DANGER! Sawblades are capable under adverse conditions of throwing objects for great distances 90m (300 ft) or more and causing serious injury or death. Follow safety messages carefully. It is of upmost importance that the tractor and reach arm and attachments are stopped immediately if a bystander comes within 90m (300 ft) while operating.
  • Page 37 8999146EN: v1 26/02/2020 WARNING! Great care must be taken when attempting to clear debris from the blade and/or belt area of the machine; sharp components and numerous pinch risk points exist in these locations. Safety gloves and safety eyewear should be worn and wherever possible the use of a suitable tool should be used to remove any debris to ensure hands and fingers are kept clear of any risk areas.
  • Page 38 8999146EN: v1 26/02/2020 Figure 4.6 The machine should NEVER cut horizontally. Debris and items will get thrown towards the tractor. Figure 4.7 The machine should NEVER be used to cut grass. Figure 4.8 Original instructions (ENGLISH) Website: www.spearheadmachinery.com...
  • Page 39: Beginning Work

    8999146EN: v1 26/02/2020 The machine should NEVER be used at angles which could cause debris to get thrown towards the tractor or other bystanders, vehicles or buildings. Figure 4.9 Beginning Work 4.4.1 Pre-start Checks IMPORTANT: Starting the machine should only be carried out once the machine and work site has been inspected and deemed safe and all other safety cautions have been adhered to.
  • Page 40: Stopping The Machine In An Emergency

    8999146EN: v1 26/02/2020 4.4.4 Stopping The Machine In An Emergency DANGER! If the machine hits an object, becomes jammed, suddenly develops vibration or any other potentially harmful change happens to the machine. Stop the machine immediately! If you hit a solid object or foreign debris: Return the tractor to idle engine speed immediately.
  • Page 41: Transporting The Sawblade

    Angle the attachment in order to take up the least amount of space. For Spearhead machines with slewing ability the reach arm should be slewed behind the tractor. Be mindful, if the reach arm is lifted to the transportation stop that it doesn’t hit the cab of the vehicle or will hit the cab during transportation.
  • Page 42 It is of upmost importance that safety decals are kept clean and replaced if they are no longer legible, damaged or lost completely. Safety decals can be purchased readily from a local Spearhead dealer. After work and all debris is swept away from footpaths and highways ensure that the work site is tidied.
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  • Page 44: Maintenance

    It is important for both optimal machine performance and long-lasting belt life that belts are correctly tensioned at all times. The belts must be tensioned manually and should be re-checked periodically. Spearhead Machinery recommends using a belt tension gauge as an easy way to measure the correct belt tensions on sawblade machines.
  • Page 45 8999146EN: v1 26/02/2020 The Optikrik III belt tension gauge is supplied with the machine to easily carry out the tensioning of the various belts. WARNING! Checking of belts and drive components should only be carried out with the tractors engine switched off, starting key removed and the PTO shaft disconnected.
  • Page 46 8999146EN: v1 26/02/2020 Figure 5.3 With reference to Figure 5.3: To tension a belt: release the adjuster locknut and rotate adjuster bolt clockwise to increase tension or anti- clockwise to decrease tension. Re-tighten the adjuster locknut when the belt tension is correct – refer to Figure 5.4 to 5.9 for correct belt tension settings.
  • Page 47 8999146EN: v1 26/02/2020 Belt Tension Settings – SP15 Trisaw – LH Build Figure 5.4 Reference Part Number Belt Gauge Tension Setting Sonic Tension Meter Setting New Belt Used Belt New Belt Used Belt Belt 1 24159.03 1720 - 1850 N 1480 - 1600 N 105.0 - 108.0 Hz 97.4 - 101.0 Hz...
  • Page 48 8999146EN: v1 26/02/2020 Belt Tension Settings – SP20 Quadsaw – LH Build Figure 5.6 Reference Part Number Belt Gauge Tension Setting Sonic Tension Meter Setting New Belt Used Belt New Belt Used Belt Belt 1 182187 1710 - 1775 N 1470 - 1530 N 91.3 - 94.5 Hz 84.5 - 88.0 Hz...
  • Page 49 8999146EN: v1 26/02/2020 Belt Tension Settings – SP25 Quadsaw – LH Build Figure 5.8 Reference Part Number Belt Gauge Tension Setting Sonic Tension Meter Setting New Belt Used Belt New Belt Used Belt Belt 1 182187 1710 - 1775 N 1470 - 1530 N 91.3 - 94.5 Hz 84.5 - 88.0 Hz...
  • Page 50: Replacing Blades

    Distortion • Cracks • Teeth missing For safety and performance only use genuine Spearhead blades. When replacing blades it is recommended that new blade bolts (Part No. 9300185) are fitted. Trisaw/Quadsaw SP15/20 Quadsaw SP25 490mm Trisaw/Quadsaw Blade 620mm Quadsaw Blade...
  • Page 51: Hoses

    8999146EN: v1 26/02/2020 WARNING! Always check tightness of blade bolts prior to using the machine. WARNING! Blades must be mounted to cut in a downward direction only. Left-hand (LH) build Right-hand (RH) build Figure 5.12 Hoses It is false economy to try and make a damaged hose last a bit longer, because a failure can spill a lot of oil on the road endangering traffic, the environment and costing money.
  • Page 52: Machine Inspection Record

    8999146EN: v1 26/02/2020 Machine Inspection Record Select Pre-delivery inspection: MACHINE INSPECTION Select RECORD Installation inspection: (For Trisaw/Quadsaw) 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 53 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 54: Machine Storage

    So as not to invalidate the warranty and to avoid problem, use only genuine Spearhead parts and make sure the machine is not driven at excess speed (3 mph/5 kmh). Original instructions (ENGLISH)
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  • Page 56: Troubleshooting

    Replace the blade. Cuttings are thrown towards the Attachment is angled so the Only operate as recommended by blades are facing the cab Spearhead Machinery. A rotor stops Belt tension incorrect Adjust to correct tension. Original instructions (ENGLISH) Website: www.spearheadmachinery.com...
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  • Page 58: Spare Parts

    8999146EN: v1 26/02/2020 Spare Parts 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 59: Spare Parts Ordering

    For guidance on finding your local Spearhead dealer; see Section 7.3. 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”...
  • Page 60: 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 61: 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 62: Miscellaneous

    8999146EN: v1 26/02/2020 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 63: 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 64 8999146EN: v1 26/02/2020 Notes Original instructions (ENGLISH) Website: www.spearheadmachinery.com...
  • Page 65 8999146EN: v1 26/02/2020 Notes Original instructions (ENGLISH) Website: www.spearheadmachinery.com...

This manual is also suitable for:

Quadsaw seriesSp15 trisawSp20 quadsawSp25 quadsaw

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