Grass Trimmer/Brush Cutter 27 Operator's Manual

CARBURETOR ADJUSTMENT

Engine Break-In

New engines must be operated a minimum of two tanks of fuel before carburetor adjustments can be made. During the break-in period your engine performance will increase and exhaust emissions will stabilize. Idle speed can be adjusted as required.

High Altitude Operation

This engine has been factory adjusted to maintain satisfactory starting, emission, and durability performance up to 1,100 feet mean sea level (MSL) (96.0 kPa and below). To maintain proper engine operation and emission compliance above 1,100 feet MSL the carburetor may need to be adjusted by an authorized ECHO service dealer.

Important

If the engine is adjusted for operation above 1,100 feet MSL, the carburetor must be re-adjusted when operating the engine below 1,100 feet MSL, otherwise severe engine damage can result.

Level 2.

Tools required: Screwdriver, Tachometer (ECHO P/N 99051130017).

Parts required: None.

1.Before adjusting carburetor clean or replace air filter and muffler,

“Spark Arrestor Screen”.

2.Make sure the cutting attachment such as hedge clipper blades or circular saw are properly adjusted. Trimmer line should be extended to cut-off knife.

3.Start engine and run several minutes to bring to operating tempera- ture. Flash choke twice during warm-up to clear any air from the fuel system.

4.Idle Speed Adjustment

•Start engine, turn “idle” speed adjustment screw clockwise

(CW) until the cutting attachment begins to turn, then turn screw out counterclockwise (CCW) until attachment stops turning. Turn screw out, CCW, an additional 1/4 turn.

WARNING

Cutting attachment must not turn or move when unit is idling.

caution

When starting, idling adjustment speed should be adjusted not to rotate the cutting attachment. Correct idle speed is adjusted 2300 to 2700 r/min. Or 1/4 turn CCW from the point the cutting attachment stops moving. When there is some trouble with the carburetor, refer to your dealer.

Idle speed adjustment screw (T)

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Echo SRM - 410U manual Grass Trimmer/Brush Cutter 27 Operators Manual, Engine Break-In, High Altitude Operation
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SRM - 410U specifications

The Echo SRM-410U is a powerful and reliable tool designed for professional landscapers and homeowners seeking advanced cutting performance. This trimmer stands out in the market due to its robust features, ergonomic design, and cutting-edge technologies.

One of the key features of the Echo SRM-410U is its potent 41.5cc, 2-stroke engine. This engine delivers impressive power and efficiency, making it capable of handling even the toughest trimming tasks. The engine is engineered for optimal performance, providing a balance of torque and speed to cut through thick grass, weeds, and brush effortlessly.

The SRM-410U incorporates a high-capacity fuel tank, allowing for extended runtime without frequent refueling. This feature is particularly beneficial for users who require longer operating periods on large properties or commercial sites. Additionally, Echo’s innovative purge bulb design facilitates easier starting, reducing the effort needed to get the trimmer running.

Another remarkable characteristic of the SRM-410U is its lightweight design, which enhances maneuverability and reduces user fatigue during prolonged use. Weighing in at just over 10 pounds, it allows operators to navigate various terrains and reach tight spots without compromising control.

Ergonomics play a crucial role in the SRM-410U's design, featuring an adjustable handle for customized comfort. This flexibility helps to minimize strain on the user, further enhancing the trimmer's usability. The unit is equipped with a professional-grade, bump-feed trimmer head that allows for quick line advancement, ensuring that users can continue working without interruption.

The trimmer also features an innovative vibration-dampening system designed to reduce operator fatigue. By absorbing vibrations generated by the engine, this system enhances comfort and improves the overall experience during prolonged use.

For durability, the SRM-410U uses high-quality materials and construction techniques. Consequently, it ensures long-lasting performance in demanding environments. The trimmer is also designed for easy maintenance, with accessible components that simplify tasks like spark plug replacement and air filter cleaning.

In conclusion, the Echo SRM-410U is a premium trimmer that combines power, comfort, and durability. Whether you are a professional landscaper or a dedicated homeowner, its advanced features and technologies make it an invaluable tool for maintaining a pristine landscape. With its balance of performance and user-friendly design, the SRM-410U is undoubtedly a top choice in the market for outdoor power equipment.
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