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Spearhead TWIGA 500 - User Manual

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Spearhead TWIGA 500
0
TWIGA Reach Mower
500/500FR
Edition 1.4 – November 2017
Part No. 8999005

Table of Contents

Questions and Answers

  • M
    Michael StricklandAug 17, 2025
    Why is my Spearhead TWIGA 500 Tractor Accessories gearbox overheating?
    • C
      Cindy BeltranAug 17, 2025
      If your Spearhead Tractor Accessories gearbox is overheating, several factors could be the cause. It may be due to an incorrect oil level, so check the oil level. The oil grade might also be incorrect, so verify the oil grade. Overloading the implement or using the wrong PTO speed can also lead to overheating. In these cases, reduce forward speed or ensure the tractor PTO speed matches the implement's requirements.
  • J
    Jennifer RollinsAug 20, 2025
    How to prevent excessive belt wear on Spearhead TWIGA 500?
    • S
      Steven ReyesAug 20, 2025
      Excessive belt wear on your Spearhead Tractor Accessories can stem from a few issues. Start by checking the condition of the belt and pulley; replace them if necessary. Ensure proper pulley alignment. Incorrect belt tension can also cause wear, so tension the belts to the specified level. Finally, overloading the implement can contribute to this problem; reduce forward speed or increase the height of cut.
  • A
    Andrea SchultzAug 22, 2025
    What to do if Spearhead TWIGA 500 Tractor Accessories oil tank is overheating?
    • M
      Maria BaldwinAug 22, 2025
      If your Spearhead Tractor Accessories oil tank is overheating, several factors could be the cause. It may be due to an incorrect oil level, so fill the tank to the correct level. The oil grade might also be incorrect, so drain and refill the tank with the correct grade oil. If the PTO speed is too fast, ensure the tractor's PTO speed matches the implement. High ambient temperature or an overloaded machine can also cause overheating. Try reducing the work rate or installing an oil cooler; reduce forward speed or increase the height of cut.
  • L
    Lauren HaneyAug 25, 2025
    Why does my Spearhead TWIGA 500 Tractor Accessories break-back operate frequently?
    • G
      George MeyerAug 26, 2025
      Frequent break-back operation in your Spearhead Tractor Accessories can occur due to several reasons. The machine might be overloaded, so reduce forward speed or increase the height of cut. Using the machine on an excessive incline can also trigger this; switch off auto reset. If the weight of the machine is being carried upon the rear roller, use Autopilot or head float. Also, ensure the machine is set vertical by shortening the top link.
  • A
    Alexandra MeyerAug 27, 2025
    What causes P.T.O. wear U.J. failure in Spearhead TWIGA 500?
    • G
      Garrett BaileyAug 27, 2025
      P.T.O. wear or U.J. failure in your Spearhead Tractor Accessories can be attributed to a few reasons. If the working angle is too great, reduce the offset of implements. An incorrect shaft length, such as the shaft bottoming out, can also cause this; resize the PTO shaft as recommended. Lack of maintenance is another factor; grease the PTO shaft as recommended.
  • K
    kara24Aug 30, 2025
    What to do if Spearhead TWIGA 500 Tractor Accessories hydraulics are not responding?
    • M
      Misty WilliamsAug 30, 2025
      If the hydraulics on your Spearhead Tractor Accessories are not responding, start by checking the oil level and fill it to the correct level if it's low. A blocked oil pump suction filter can also cause this issue, so replace the filter element. Look for any oil leaks in the pressure line. Finally, ensure the pump is rotating, as a broken driveline could be the problem.
  • S
    scottklineSep 1, 2025
    What causes rotor vibration in Spearhead TWIGA 500?
    • M
      martinkristiSep 2, 2025
      Rotor vibration in your Spearhead Tractor Accessories can arise from several causes. Check for broken or missing flails and replace them. Worn or damaged bearings can also lead to vibration, so replace them. A bent rotor needs to be re-balanced or replaced. The build-up of debris and incorrect speed can also cause vibration; remove debris and check rotor R.P.M.
  • M
    Marissa RodriguezSep 4, 2025
    How to improve cut quality of Spearhead Tractor Accessories?
    • C
      crobinsonSep 4, 2025
      Several factors can affect the cut quality of your Spearhead Tractor Accessories. Worn flails can cause a poor cut, so replace them. Check the tractor PTO speed because rotor speed/direction influences cut quality. Finally, crop condition can play a role; look for suitable conditions.
  • D
    Dawn NicholsSep 6, 2025
    What causes rotor bearing failure in Spearhead TWIGA 500?
    • T
      tylerhaleySep 7, 2025
      Rotor bearing failure in your Spearhead Tractor Accessories can occur due to several reasons. If the rotor is out of balance, see rotor vibration solutions. Wire or string in the bearing can cause failure, so remove any wire or string. Lack of maintenance is another factor; grease bearings to schedule. Water in the bearing can also lead to failure; expel water with grease.
  • S
    Sharon OwensSep 9, 2025
    Why is my Spearhead TWIGA 500 joystick control sluggish?
    • J
      Justin SmithSep 9, 2025
      If the joystick control on your Spearhead Tractor Accessories feels sluggish, it might be due to air in the pilot lines from the joystick. To resolve this, slacken off each line of the pilot circuit individually at the spool valve while operating. When all air is expelled, retighten the line.

Summary

CE Declaration of Conformity

WARRANTY REGISTRATION VERIFICATION

Dealer Warranty Information

Details for dealers to register machines and verify customer registration.

TORQUE SETTINGS FOR HYDRAULIC FITTINGS

WARRANTY POLICY

WARRANTY REGISTRATION

Requirements for registering the machine for warranty coverage.

LIMITED WARRANTIES

Details on what is covered and for how long.

REMEDIES AND PROCEDURES

Steps and procedures for reporting faults and making warranty claims.

LIMITATION OF LIABILITY

Manufacturer's disclaimers and limitations of liability.

MISCELLANEOUS

General clauses and provisions related to the warranty.

General Information

Introduction

Provides background and context for the reach mower.

Specification

Technical data and dimensions of the TWIGA 500 models.

Safety

Safety Recommendation

General safety advice and potential dangers associated with machine use.

Over Head Power Lines

Hazards and safety procedures when working near overhead power lines.

Safety Decal

Explains the meaning and importance of various safety decals on the machine.

Warning Signs

Guidance on using warning signs in public places for hazard awareness.

Roadwork Guidelines

Procedures and recommendations for working safely on roads.

Training

Information on operator training and its importance for safe operation.

Lifting Point

Identifies the designated lifting points for the machine.

Tractor Requirements

Specifies the necessary tractor specifications and attachments for safe operation.

Installing and Removing the Machine

Attaching Your Machine to The Tractor

Detailed guide for connecting the machine to a tractor's three-point linkage.

Running up your Machine

Procedure for initial machine start-up and checks before full operation.

Removing from the Tractor

Step-by-step guide for safely detaching the machine from the tractor.

Hydraulic Controls

Hydraulic Proportional Controls - 2 SV

Details the functions of the 2-spool valve proportional control joystick.

Hydraulic Proportional PRO PILOT Controls - 3 SV

Describes the 3-spool valve PRO PILOT control system functions.

Electric Proportional PRO PILOT Controls - 3 SV

Outlines the functions of the electric PRO PILOT control system.

PRO PILOT Switch Box

Identifies the components and functions of the PRO PILOT switch box.

Cable Controls

Explains the operation of the cable-based control system.

MULTIPILOT Controls

Details the functions of the MULTIPILOT control system.

Operational Warnings

Moving into Transport Position

Operation

Transport to Work Position

Steps to move the machine from transport to operational position.

Engaging Head Drive

Procedure for starting and warming up the head drive system.

Disengage Head Drive

Procedure for safely shutting down the head drive system.

Options

Oil Cooler

Information on the optional oil cooler and its maintenance.

Head Float

Explanation and operation of the head float feature for ground contour following.

Arm Float

Explanation and operation of the arm float feature for verge mowing.

Debris Blower

Details on the hydraulically driven debris blower attachment.

Hydraulic Rear Roller

Description of the hydraulic rear roller and its height control.

Autopilot

Explanation of the automatic control system for ground cutting.

Quad Saw

Information on the Quad Saw attachment, its operation, and specifications.

Cutter Bar

Description, operation, and safety for the optional cutter bar attachment.

Forward Reach (FR)

Explanation of the forward reach feature for improved visibility.

Autopilot

Introduction to The Autopilot

Overview of the Autopilot system's function and benefits.

Set-Up: Correct position of micro switches

Instructions for setting up the Autopilot's micro switches for proper function.

Autopilot Switch Alignment

Guidance on aligning switches and alternative settings for the Autopilot.

Operation of The Autopilot

Transport of the machines with Autopilot

Procedures for safely transporting the machine when the Autopilot is fitted.

Quad Saw

Quad Saw Operating Instructions

Specific instructions for operating the Quad Saw attachment safely and effectively.

Technical Data & Description

Belt Diagram - Quad Saw

Diagram illustrating the belt configuration and tensioning for the Quad Saw.

Mounting the Quad Saw

Instructions for correctly mounting and connecting the Quad Saw attachment.

Cutter Bar

Description

Details the construction and suitability of the cutter bar.

Operation

Guidance on how to operate the cutter bar attachment safely.

Maintenance

Recommended maintenance tasks for the cutter bar.

Safety

Safety precautions specific to operating the cutter bar.

Forward Reach (FR)

Description

Describes the utility of the forward reach feature.

Operating the Forward Reach

Instructions for using the forward reach mechanism.

Transporting the Forward Reach

Guidance on safely transporting the machine with the forward reach extended.

Service and Maintenance

Daily grease points

Identifies all daily lubrication points on the machine.

Washing your machine

Gearbox

P.T.O.

Oil Requirements

Torque Settings

Hydraulic Hoses

Oil Supply

Filtration Maintenance

Procedures for maintaining the machine's hydraulic filtration system.

Pins & Bushes

Cables

Storage

Regular Services Chart

Pump & Motor Failure Prevention

Key preventative measures to avoid pump and motor damage.

Trouble Shooting

Spearhead TWIGA 500 Specifications

General IconGeneral
BrandSpearhead
ModelTWIGA 500
CategoryTractor Accessories
LanguageEnglish