Related Manuals for Spearhead TWIGA MINI
Summary of Contents for Spearhead TWIGA MINI
- Page 1 8999182EN: v1.0 11/05/2023 Spearhead Machinery Operator Instruction Manual For 2.6m-3.7m 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 8999182EN: v1.0 11/05/2023 (This page is left blank intentionally) Original instructions (ENGLISH) Website: www.spearheadmachinery.com...
- Page 4 8999182EN: v1.0 11/05/2023 Twiga Mini Reach Arm Mower With Cutterbar Attachment This manual covers the Twiga Mini series of tractor mounted reach arm mowers with cutterbar attachments. These machines are available in a: • 2.6m standard arm variants with 1.2m cutterbar attachment (Twiga Mini S26) •...
- Page 5 8999182EN: v1.0 11/05/2023 (This page is left blank intentionally) Original instructions (ENGLISH) Website: www.spearheadmachinery.com...
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Page 6: Table Of Contents
8999182EN: v1.0 11/05/2023 Contents List Introduction ............................. 8 Preliminary Information ......................8 Information About The Manual ....................8 General Features Of The Hedge Cutter ................... 9 Identification ..........................9 Main Components ........................10 Technical Data ........................11 1.6.1 Tractor Requirements ....................11 1.6.2 Hedge Cutter Specification .................. - Page 7 8999182EN: v1.0 11/05/2023 Spare Parts Ordering ......................44 Dealer Network ........................44 Original instructions (ENGLISH) Website: www.spearheadmachinery.com...
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Page 8: Introduction
If the operator identifies possible risks which have not been foreseen by Spearhead, they must stop using the hedge cutter and immediately notify Spearhead Machinery so they can carry out an in-depth assessment of the risk and modify the machine to meet the proper safety requirements. -
Page 9: General Features Of The Hedge Cutter
By utilising a smart phone and scanning the Authorised Representative QR scan code found on the right-hand side of the serial plate (ref 8, Figure 1.2) using a suitable QR scanning App, you can find details for Spearhead Machinery authorised representatives for its various territories. -
Page 10: Main Components
8999182EN: v1.0 11/05/2023 Figure 1.3 – Serial Plate Location WARNING! It is absolutely forbidden to alter and/or erase the data on the identification plate or any data found on the machine parts. Main Components Item No. Description. Item No. Description. Lift Coupling Dipper Ram Universal Three-Point Hitch... -
Page 11: Technical Data
Minimum Power (hp) Minimum Weight (kg) Power Take-off Speed (rpm) Minimum Tractor Width (mm) 1000 1200 1200 Three-point Hitch Category Table 1.1 – Twiga Mini Tractor Requirements 1.6.2 Hedge Cutter Specification Technical Data Model VFR37 Hydraulic System Oil Tank Capacity (litres) -
Page 12: Reach Diagrams
8999182EN: v1.0 11/05/2023 Reach Diagrams 1.7.1 Figure 1.5 – Twiga Mini S26 Reach Diagram Original instructions (ENGLISH) Website: www.spearheadmachinery.com... -
Page 13: S37
8999182EN: v1.0 11/05/2023 1.7.2 Figure 1.6 – Twiga Mini S37 Reach Diagram Original instructions (ENGLISH) Website: www.spearheadmachinery.com... -
Page 14: Vfr37
8999182EN: v1.0 11/05/2023 1.7.3 VFR37 Figure 1.6 – Twiga Mini VFR37 Reach Diagrams Original instructions (ENGLISH) Website: www.spearheadmachinery.com... - Page 15 8999182EN: v1.0 11/05/2023 (This page is left blank intentionally) Original instructions (ENGLISH) Website: www.spearheadmachinery.com...
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Page 16: Safety
18 who hold a driving license, are experienced, qualified and trained to operate it. Never use this machine is you are tired, ill or under the influence of alcohol, drugs or medicine. Spearhead Machinery will not be held responsible for accidents caused by negligence on the part of the operator or by the non-observance of the safety rules. -
Page 17: Transport
Tie the hedge cutter to the truck/trailer to ensure it does not slip during transportation. Figure 2.2 – Twiga Mini Lifting Point Locations (S26 model shown) If the hedge cutter is transported while still attached to the tractor, lift it by means of the tractor’s hydraulic lifting system until its lowest point is at least 30 cm off the ground. -
Page 18: Installation
8999182EN: v1.0 11/05/2023 The flashing light on the tractor must be working; The repeated indicators must have their own switch; The hedge cutter control board must be protected by a frame to prevent the levers accidentally being activated; The tractor’s PTO must be disengaged and its lever locked; The cutterbar rotor (cutterbar shaft) must not be moving, even for short distances;... -
Page 19: Tractor Balancing
The following steps must be taken to check the balancing of the tractor. Check the lifting capacity and longitudinal stability of the tractor using the following formula (referring to the drawing) and, if necessary, apply ballast. Figure 2.3 – Twiga Mini Lifting Point Locations (Ms) – (0.2Ti) Ms ≤ 0.2Ti + Z(d+i) M ≤... -
Page 20: Use
Failure to comply with this rule will result in the warranty becoming null and void and Spearhead Machinery being immediately released of any liability. Before starting the tractor, always perform the daily maintenance operations (described in Section 2.2.1) and... - Page 21 8999182EN: v1.0 11/05/2023 Never work with the boom arm extended when on sloping ground and check the tractor’s stability every time; Do not leave the tractor with the engine running and when stopping the machine, take all steps to guarantee safety and stability. Figure 2.7 Stop working immediately if: There are hard objects such as manholes, pits, guardrails, railway tracks etc.
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Page 22: Personal Safety
Never tamper with, remove or disable the guards and safety devices which have been fitted to the machine to ensure the safety of the operator and other people and/or objects. Spearhead Machinery shall not be liable if: •... -
Page 23: Noise Level
8999182EN: v1.0 11/05/2023 With reference to Figure 2.8, the safety rules illustrated on the stickers on the hedge cutter are: • Always read or consult the instruction and maintenance manual (A); • Danger of serious bodily injury. The operator must prevent people from entering the working area because of the movement of the arm and cutterbar (B);... -
Page 24: Installation
8999182EN: v1.0 11/05/2023 Installation Preliminary Information The hedge cutter can be attached to any tractor which has a universal three-point hitch. To do this, the machine must be placed on flat, level ground in an area which has been set aside for the purpose. The person who attaches the hedge cutter must be familiar with the safety rules for this particular operation and proceed with the utmost care and attention. -
Page 25: Hedge Cutter With Independent Hydraulic System
NOTE: make sure that there are no oil leaks or bleeding; make all necessary repairs. Hedge Cutter Without Independent Hydraulic System (Standard) Twiga Mini hedge cutters can directly exploit the tractor’s auxiliary circuit. In this case, quick-coupling hoses connect the hedge cutter hydraulic circuit to the tractor’s auxiliary hydraulic circuit. -
Page 26: Tractor Balancing
8999182EN: v1.0 11/05/2023 WARNING! Run the hedge cutter no load for a few minutes after installation. Activate all hydraulic rams to allow for air purging from the hydraulic circuit. Figure 3.3 With reference to Figure 3.3, if not indicated, it is important to know which is the SUPPLY position for the tractors double-acting control spool. -
Page 27: Removal
In extreme cases and only during operation, lock the front axle articulation by inserting a spacer between the frame and the axle, as illustrated in Figure 3.5. It is recommended you contact your local Spearhead dealer or Spearhead Machinery when carrying out this operation. -
Page 28: Operation And Use
(S26/S37 control system shown) With reference to Figure 4.1, on Twiga Mini S26 and S37 models, the control levers (1, 2, and 3) can be shifted from the neutral “0” position to A or B and they automatically return to the neutral “0” position once they are released. - Page 29 In the VFR model, a lever has been added to control the forward and rearward movement of the cutterbar. In this case, the functions of levers 1 and 2 remain unchanged to the Twiga Mini S26/S37, while the third lever controls the VFR function.
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Page 30: Joystick Controls
The valve intervenes, stopping the oil flow and forcing it back into the tank, whenever there is an increase or a drop in pressure in the hydraulic system. Only Spearhead Machinery can calibrate or correct the values. To prevent tampering, the valve is sealed with red paint. -
Page 31: Automatic Cutterbar Direction (Option)
Guidance for operating the automatic cutterbar direction can be found in Figure 4.2 (H)/Table 4.3 (H). If it should be necessary to re-calibrate the inclinometer, we recommend calling local Spearhead dealer or Spearhead Machinery, which will take care of sending the calibration manual. -
Page 32: Vfr Model
8999182EN: v1.0 11/05/2023 At the end of operation, before the tractor is driven back to its usual parking space, secure the hedge cutter in the transport position. See Section 3.7 for instructions on how to store the hedge cutter. 4.2.2 VFR Model The VFR model has, in addition to the same functions in the other models, a variable forward reach mechanism that allows the cutterbar to be brought to the operator’s side to provide improved visibility of the work area and... - Page 33 8999182EN: v1.0 11/05/2023 (This page is left blank intentionally) Original instructions (ENGLISH) Website: www.spearheadmachinery.com...
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Page 34: Maintenance
Always order new nuts and bolts together with the knives from a genuine Spearhead Machinery dealer. The operator must use the appropriate personal protective equipment and follow the general rules for safety in the workplace. If there are any anomalies and/or strange noises after the knives have been replaced, please contact your local Spearhead dealer or Spearhead Machinery. -
Page 35: Monthly Checks Or After 150 Hours Of Operation
Make sure all bolts locking the different parts of the hedge cutter are tight; • Check the condition of the entire frame of the machine; • Have a workshop authorised by Spearhead Machinery check the operation and safety of the hydraulic system, as well as checking for suspicious noises. Lubrication 5.3.1 Grease Supply Points Before pumping grease into the corresponding nipples, it is necessary to remove any dust. -
Page 36: Checking The Oil Level In The Gearbox (If Fitted)
• Spearhead Machinery recommends HD 46 or equivalent grade oil. Tank (Changing The Oil) • Take a sufficiently large container and place it under the outlet cap of the tank. Unscrew the filling cap and then the outlet cap and let the hydraulic oil drain out completely. -
Page 37: Checking And Replacing The Oil Filter
8999182EN: v1.0 11/05/2023 • Spearhead Machinery recommends EP80-90/GL-4, GL-5 or equivalent grade oil. When topping up, never mix oils of different types but always use the same type as the one in the tank or gearbox housing; when changing the hydraulic oil, it is possible to use a different brand, provided it has the same characteristics as the one recommended by Spearhead Machinery. -
Page 38: Troubleshooting
8999182EN: v1.0 11/05/2023 Troubleshooting Problems Causes Solutions None of the hedge cutter arms The pump/tractor is not delivering Check the pump/tractor is working move properly: • Check oil delivery using a fluid oil flow meter; • Check pressure with a manometer;... - Page 39 8999182EN: v1.0 11/05/2023 Rotor bearings broken Replace the bearings Arms and joints are too loose The pins are worn out Replace the pins Hydraulic oil overheating (over Check the hydraulic system Get it checked at a specialised 80°) workshop Original instructions (ENGLISH) Website: www.spearheadmachinery.com...
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Page 40: Demolition
8999182EN: v1.0 11/05/2023 Demolition Separation Of Waste Material And Disposal When the hedge cutter is taken out of service, any parts which may be harmful to people or the environment must be properly disposed of. The following materials, which are part of the machine, must be disposed of separately: •... - Page 41 8999182EN: v1.0 11/05/2023 (This page is left blank intentionally) Original instructions (ENGLISH) Website: www.spearheadmachinery.com...
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Page 42: Spare Parts
Spearhead Machinery interactive parts manual system and find correct replacement parts. It is important to state that Spearhead Machinery does not sell directly to end users but instead uses an extensive dealer network to provide to its customer base. Section 7.4 gives guidance to find your nearest Spearhead Machinery dealer. -
Page 43: How To Obtain The Correct Spare Part Numbers
8999182EN: v1.0 11/05/2023 How To Obtain The Correct Spare Part Numbers For correct part numbers; use the Spearhead interactive online parts books. These are available at https://my.spearheadmachinery.com/parts/public-interactive-parts-database/ You will need to enter the machine serial number; see Figure 1.2. Enter the serial number. - Page 44 For guidance on finding your local Spearhead dealer; see Section 7.4. 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 45 8999182EN: v1.0 11/05/2023 Notes Original instructions (ENGLISH) Website: www.spearheadmachinery.com...
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