Jonsered GTA850-28 2018 Parts Manual

Jonsered GTA850-28 Trimmer 2018 manual cover

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Year 2018

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Jonsered GTA850-28 Trimmer 2018 Specification

The Jonsered GTA850-28 Trimmer, released in 2018, is a robust and efficient tool designed for both residential and professional use. It is equipped with a powerful 28cc two-stroke engine, delivering reliable performance and sufficient power to tackle dense grass and overgrown areas. The engine's design emphasizes fuel efficiency and reduced emissions, aligning with environmental standards. The trimmer features a straight shaft, which is particularly beneficial for extended reach and precision in trimming hard-to-access areas.

The GTA850-28 is engineered with user comfort in mind, incorporating an ergonomic handle design that minimizes fatigue during prolonged use. It includes a vibration-dampening system to improve user comfort and lessen strain. The trimmer head supports a dual-line cutting system, which enhances cutting efficiency, and the bump feed mechanism allows for easy line advancement during operation. With a cutting width of 17 inches, the trimmer provides an optimal balance between power and maneuverability, making it suitable for various garden maintenance tasks.

Durability is a key aspect of the Jonsered GTA850-28, constructed with high-quality materials to ensure longevity and reliability under demanding conditions. The air purge system facilitates easier starting by removing air from the carburetor and fuel system, reducing the number of pulls needed to start the engine. Maintenance is straightforward, thanks to the easily accessible air filter and spark plug. Overall, the Jonsered GTA850-28 Trimmer stands out as a versatile and dependable tool, offering excellent performance for users seeking efficiency and comfort in their landscaping activities.

Jonsered GTA850-28 Trimmer 2018 F.A.Q.

How do I properly start the Jonsered GTA850-28 Trimmer?

To start the Jonsered GTA850-28 Trimmer, first ensure the trimmer is on a flat surface. Press the primer bulb 6 times, set the choke to the full position, and pull the starter rope briskly until the engine fires. Once it starts, move the choke to the half position, let it warm up, then set it to run.

What type of fuel mix should I use for the Jonsered GTA850-28 Trimmer?

The Jonsered GTA850-28 Trimmer requires a 50:1 fuel to oil mix ratio. Use unleaded gasoline with a minimum octane rating of 89 and high-quality 2-stroke engine oil.

How do I replace the trimmer line on the Jonsered GTA850-28?

To replace the trimmer line, first turn off the trimmer and disconnect the spark plug. Remove the spool cover, take out the old line, and cut 15 feet of new line. Insert one end into the spool and wind it evenly. Secure the line, reattach the cover, and reconnect the spark plug.

What maintenance should I perform regularly on my Jonsered GTA850-28 Trimmer?

Regular maintenance includes checking and cleaning the air filter, inspecting the spark plug, tightening any loose screws, and checking the fuel system for leaks. Clean the trimmer head and replace the line as needed.

Why is my Jonsered GTA850-28 Trimmer running rough?

A rough-running trimmer may be caused by a dirty air filter, old spark plug, or incorrect fuel mix. Clean or replace the air filter, inspect the spark plug, and ensure the fuel mix is correct.

How do I adjust the idle speed on the Jonsered GTA850-28 Trimmer?

To adjust the idle speed, locate the idle adjustment screw on the carburetor. Turn the screw clockwise to increase the idle speed or counterclockwise to decrease it, ensuring the trimmer head does not rotate at idle.

What safety precautions should I take when using the Jonsered GTA850-28 Trimmer?

Always wear protective eyewear, gloves, and sturdy footwear. Keep bystanders and pets at least 50 feet away. Inspect the trimmer for damage before use, and never operate it indoors or in poorly ventilated areas.

How can I prevent my Jonsered GTA850-28 Trimmer from overheating?

To prevent overheating, ensure the air vents are clean and unobstructed. Use the correct fuel mix and avoid running the trimmer continuously for long periods. Allow it to cool down if it becomes excessively hot during operation.

What should I do if the Jonsered GTA850-28 Trimmer won't start?

If the trimmer won't start, check for fuel, ensure the spark plug is connected and clean, and inspect the air filter. Verify the choke is set correctly and that the fuel is not stale.

How do I store my Jonsered GTA850-28 Trimmer during the off-season?

For off-season storage, empty the fuel tank and run the engine to clear the carburetor. Clean the trimmer thoroughly, remove the spark plug, and add a few drops of oil into the cylinder. Store in a dry, well-ventilated area away from direct sunlight.