Vito Agro VIR52B - User Manual

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Overview

Technical Specifications
Usage Features
Maintenance Features

The VITO AGRO VIR52B is a 52CC brush cutter designed for clearing dense vegetation, weeds, and small bushes. It is a robust and versatile tool suitable for both domestic and agricultural use, offering a balance of power, efficiency, and ease of handling.

Technical Specifications

The brush cutter is powered by a 2-stroke combustion engine with a displacement of 52CC. It delivers a power output of 1.4 kW (1.88 CV), making it capable of tackling demanding tasks. The engine operates at a maximum rotation speed of 7500 rpm.

Fuel System: The fuel tank capacity is 1 liter, and it uses a mixture of gasoline and 2-stroke oil in a 1:30 ratio. This means for every 30 parts of gasoline, 1 part of 2-stroke oil should be added. The autonomy of the brush cutter on a full tank is approximately 1.5 hours, depending on the intensity of use.

Cutting System: The VIR52B offers two main cutting options:

Nylon line head: The cutting width with the nylon line is between 255 and 305 mm. The nylon line diameter is 2.5 mm. This is ideal for cutting grass and lighter vegetation.
Metal blade: The cutting width with the metal blade is 415 mm. This is suitable for thicker weeds, small bushes, and denser vegetation.

Noise and Vibration Levels:

Sound pressure level (LpA): 97 dB(A)
Sound power level (LwA): 109 dB(A)
Vibration level (m/s²): 6.94 (measured on the main handle)

Weight: The total weight of the brush cutter is 9.3 kg, which contributes to its stability during operation.

Usage Features

The VIR52B is designed for user comfort and safety. It features a right handle with an accelerator trigger and an ON/OFF switch for easy control. The harness clip allows for comfortable carrying and weight distribution during prolonged use. The brush cutter is equipped with a primer bulb for easy starting and a choke lever for cold starts.

Starting the Engine: To start the engine, first ensure the fuel tank is filled with the correct fuel mixture. Press the primer bulb several times until fuel is visible in the carburetor. Set the choke lever to the "CLOSED" position for cold starts. Pull the starter handle firmly until the engine starts. Once the engine starts, move the choke lever to the "OPEN" position. For warm starts, the choke may not be necessary.

Adjusting Engine Speed: The engine speed is controlled by the accelerator trigger on the right handle. Releasing the trigger will stop the engine.

Using Cutting Blades:

Nylon line head: Ideal for cutting grass and light weeds. Ensure the nylon line is properly installed and extended.
Metal blade: Used for tougher vegetation. Always ensure the blade is sharp and correctly mounted. When using the blade, be mindful of potential kickback and flying debris.

Safety Precautions:

Always wear appropriate personal protective equipment (PPE), including safety glasses, hearing protection, gloves, long pants, and sturdy footwear.
Maintain a safe distance from other people, animals, and objects while operating the brush cutter. The safety zone is approximately 15 meters.
Never operate the brush cutter if you are tired, under the influence of alcohol or medication, or in poor health.
Inspect the brush cutter before each use for any damaged parts, loose connections, or fuel leaks.
Avoid contact with hard objects (rocks, stones, tree trunks) as this can damage the cutting attachment and potentially cause injury.
Do not modify the brush cutter or use unauthorized accessories.

Maintenance Features

Regular maintenance is crucial for the longevity and safe operation of the VITO AGRO VIR52B brush cutter.

Daily/Before Each Use:

Check the tightness of all screws and nuts.
Inspect the condition of the cutting accessories (nylon line head or blade) for wear or damage.
Check the fuel line for leaks.
Lubricate the gearbox and output shaft.
Clean the air filter.

Every 1st Month or 20 Hours:

Replace the air filter (if necessary).

Every 3 Months or 50 Hours:

Clean the fuel filter.
Clean the spark plug and adjust the gap between the electrodes.

Every 6 Months or 100 Hours:

Replace the spark plug.
Clean the primer bulb.
Clean the fuel tank.
Check the idle speed.
Check/adjust the intake/exhaust valve clearance.

Every 2 Years (or as needed):

Check the fuel injection system.
Check the combustion chamber (after 500 hours).

Specific Maintenance Tasks:

Sharpening cutting blades: Regularly sharpen the metal blade to ensure efficient cutting and prevent damage to the engine.
Air filter cleaning: Clean the air filter frequently, especially in dusty conditions, to maintain engine performance and prevent premature wear.
Fuel filter cleaning: Clean or replace the fuel filter as needed to prevent fuel system blockages.
Spark plug maintenance: Inspect and clean the spark plug regularly. Replace it if it shows signs of wear or damage.
Storage: When storing the brush cutter for extended periods, drain the fuel tank and carburetor to prevent fuel degradation and blockages. Store it in a dry, well-ventilated place, out of reach of children.

Troubleshooting: The manual provides a comprehensive troubleshooting guide for common issues such as the engine not starting, low performance, irregular smoke, and overheating. It offers solutions ranging from checking fuel levels and spark plugs to cleaning filters and adjusting carburetor settings. For complex issues, it is recommended to contact an authorized service center.

The VITO AGRO VIR52B brush cutter is a reliable tool when used and maintained according to the instructions provided in the manual. Adhering to safety guidelines and regular maintenance will ensure optimal performance and extend the lifespan of the device.