The Hyundai Wheeled Trimmer, model HYWT5080, is a robust and versatile machine designed for trimming grass and weeds. It is powered by a single-cylinder, 2-stroke, air-cooled engine (1E43F-B) with an engine size of 50.8CC. This wheeled trimmer is engineered for efficient and effective landscape maintenance, offering a blend of power and user-friendly features.
Function Description:
The primary function of the HYWT5080 is to trim grass and weeds in various outdoor environments. Its wheeled design allows for easier maneuverability compared to traditional handheld trimmers, reducing user fatigue during prolonged operation. The machine utilizes a nylon cutting head, which is effective for clearing overgrown areas. The engine's power output and cutting width make it suitable for both domestic and light commercial use.
Important Technical Specifications:
- Engine Type: Single cylinder, 2-stroke, air-cooled engine, 1E43F-B
- Engine Size: 50.8CC
- Fuel Tank Capacity: 800ml
- Noise Level: 119 DB
- Rated Power: 1.56kw
- Rated Speed: 7500rpm
- Start Method: Recoil
- Clutch Type: Centrifugal type
- Fuel Ratio/Fuel Type: 40:1 Semi-Synthetic - Unleaded petrol (25:1 for first-time use only)
- Cutter Head: Designed for 400-450mm cutting width/length/diameter
- Minimum Cutting Height: 45.00mm
- Gross Weight: 15.96kg
- Dry Weight: 14.06kg
- Box Dimensions (L x W x H): 580 x 420 x 420mm
Usage Features:
The HYWT5080 is designed with user convenience and safety in mind.
- Handle Assembly: The handle assembly is foldable, allowing for compact storage and transport. It features a lower handle, a fold-out handle, and a top handle, secured with three supplied knobs.
- Shaft Assembly: The shaft connects to the engine's PTO (Power Take-Off) via a spline gear, ensuring a secure and aligned connection.
- Guard and Head Assembly: The machine includes a guard that aligns with the shaft head, secured by a protection ring and three screws. The cutting head is screwed onto the shaft in an anti-clockwise direction for secure attachment and removed in a clockwise direction.
- Trimmer Line: The trimmer uses a nylon cutting line with a maximum diameter of 3.0mm and a length of 255mm. It is crucial to maintain equal lengths of cord to prevent imbalance and undue vibrations. The cord can be easily inserted into the reel without removing the head. The machine features an automatic line release mechanism, and a knife edge on the shield cuts off excessive line.
- Fueling: The trimmer requires a mixture of fresh unleaded fuel and 2-stroke engine oil. The initial mixing ratio is 25:1 for optimal lubrication, subsequently changing to 40:1. Fueling should always be done in a well-ventilated area with the engine cool and off, avoiding open flames or sparks.
- Starting and Stopping: The machine features a recoil start method. For a cold start, the power switch is turned to 'on', the primer bulb is pressed 8-10 times, and the choke lever is moved to the upper (closed) position. The starter rope is then pulled firmly and continuously. For a warm start, the choke lever is moved to the lower (open) position. To stop the machine, the throttle lever is released, and the start-stop switch on the handle is pressed to the 'off' position.
- Trimming Techniques: Users are advised to trim with high engine speeds, keeping the cutting deck parallel with the ground and avoiding tilting the nylon cutting head. It is recommended to clear the work area of any objects that could be flung by the cutting head. The machine should not be used on slopes or uneven ground where stability might be compromised. For trimming around trees, the nylon cord should not come into contact with the tree trunk.
Maintenance Features:
Regular maintenance is crucial for the longevity and safe operation of the HYWT5080. A detailed maintenance schedule is provided, outlining tasks and their frequencies.
- Air Filter: The air filter should be checked and cleaned regularly. It can be removed by releasing clips and washed with soap and water, then air-dried. The engine should never run without the air filter.
- Spark Plug: The spark plug should be checked, adjusted, and cleaned periodically. The spark plug gap should be maintained between 0.6-0.7mm and kept free of carbon deposits. It must be fully tightened to prevent engine overheating.
- Cooling Fins: The cooling fins need to be checked and cleaned to ensure proper engine cooling.
- Connections: All nuts, bolts, and screws should be checked and tightened as required.
- Coupling: The coupling should be examined regularly.
- Idle and Valve Clearance: These settings require periodic checking and adjustment.
- Spark Arrester: The spark arrester should be checked and cleaned every 300 hours.
- Fuel Tank and Pipes: The fuel tank should be examined, and fuel pipes replaced as required with each use.
- Bevel Gear: The bevel gear requires filling after 100 hours of use.
- Trimmer Blade Sharpening: The cutting blade can be removed from the shield and sharpened with a suitable flat file, ensuring the original cutting angle is maintained. Safety precautions, such as wearing protective gear, should be observed during sharpening.
- Storage: Before storing the machine, all general maintenance should be performed. The machine should be cleaned, and all fuel removed from the tank and carburetor to prevent deposits. After cooling, a small amount of 2-cycle oil should be poured into the combustion chamber, and the starter rope pulled to coat internal components. The machine should be stored in a cool, dry, well-ventilated area away from ignition sources. During transport, care must be taken to prevent fuel leaks and ensure the trimmer cutter does not come into contact with people, animals, or property.
The HYWT5080 is certified under various directives, including 2006/42/EC Machinery, 2004/108/EC EMC, 2000/14/EC Noise Emissions, and 97/68/EC NRMM Emissions, indicating its compliance with European safety and environmental standards.
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