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1.POWER HEAD - Includes the Engine, Clutch, Fuel System, Ignition System and Recoil Starter.

2.THROTTLE TRIGGER LOCKOUT - This lever must be held during starting. Operation of the throttle trigger is prevented unless throttle trigger lockout lever is engaged.

3.STOP SWITCH - "SLIDE SWITCH" mounted on top of the Throttle Trigger Housing. Move switch FORWARD to RUN, BACK to STOP.

4.THROTTLE TRIGGER - Controls engine speed. Spring loaded to return to idle when released. During accelera- tion, press trigger gradually for best operating technique.

5.DRIVE SHAFT ASSEMBLY - Includes the Rear (right hand) Handle assembly, Gear Housing assembly, Front (loop, left hand) Handle assembly, metal drive shaft and Safety Decal.

6.U-HANDLE- Required for metal blade operation.

7.HIP PAD - Used to protect hip/leg and clothing when using U-handle equipped unit.

8.SHOULDER HARNESS- An adjustable strap that suspends the unit from the operator. Using the strap reduces operator fatigue.

9.BLADE - Circular blade for grass, weed or brush cutting applications. Harness, metal shield & U-handles required for blade operation.

10.METAL BLADE SHIELD - Required when unit is equipped with blades. Do not operate unit without shield.

11.SPARK PLUG - Provides spark to ignite fuel mixture.

12.ARM REST - Provides arm rest during operation and protects arm from the hot engine.

13.Spark arrestor muffler or spark arrestor muffler with catalyst -The muffler or catalytic muffler controls exhaust noise and emission. The spark arrestor screen prevents hot, glowing particles of carbon from leaving the muffler. Keep exhaust area clear of flammable debris.

14.FUEL TANK - Contains fuel and fuel filter.

15.RECOIL STARTER HANDLE - Pull handle slowly until starter engages, then quickly and firmly. When engine starts, return handle slowly. DO NOT let handle snap back or damage to unit will occur.

16.FUEL TANK CAP - Covers and seals fuel tank opening.

17.PURGE BULB - Pumping purge bulb before starting engine draws fresh fuel from the fuel tank, purging air from the carburetor. Pump purge bulb until fuel is visible and flows freely in the clear fuel tank return line. Pump purge bulb an additional 4 or 5 times.

18.AIR CLEANER - Contains replaceable filter element.

19.CHOKE - The choke control is located at the rear of the air cleaner housing. Move choke lever to Cold Start () to close choke for cold start. Move choke lever to "Run" () position to open choke.

20.DECOMPRESSION BUTTON - Push button to assist starting. Automatically resets after engine starts and runs.

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Echo SRM - 410U manual
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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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