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Exhaust Port Cleaning

Level 2.

Tools required: 4 & 5 mm Hex Wrench, Wood or plastic scraper

Parts Required: As needed: Heat Shield

1.Remove spark plug lead from spark plug, and remove muffler

cover (2 screws).

A

B

 

 

2.Place piston at top dead center. Remove muffler (A) and heat shield

(B).

3.Use a wood or plastic scraping tool to clean deposits from cylinder exhaust port.

IMPORTANT

Never use a metal tool to scrape carbon from the exhaust port. Do not scratch the cylinder or piston when cleaning the exhaust port. Do not allow carbon particles to enter the cylinder.

4.Inspect heat shield, and replace if damaged.

5.Install heat shield and muffler.

6.Tighten muffler mounting bolts (or nuts) to 95-130 in•lbf (110-150 kgf•cm).

7.Attach spark plug lead and install muffler cover.

8.Start engine, and warm to operating temperature.

9.Stop engine, and re-tighten mounting bolts (or nuts) to specifica- tions.

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Echo SRM-410U manual Exhaust Port Cleaning, Cover 2 screws

SRM-410U specifications

The Echo SRM-410U is a powerful and reliable string trimmer designed to meet the demands of both residential and commercial landscapers. Engineered for exceptional performance and durability, this model has gained popularity among users who require a dependable tool for maintaining lawns, gardens, and outdoor spaces.

One of the standout features of the SRM-410U is its robust 41.5 cc professional-grade, 2-stroke engine. This engine not only delivers impressive power but also ensures efficient fuel consumption, allowing users to tackle tougher grass and weeds with ease. The engine’s design incorporates Echo’s innovative ES-Start system, which reduces the effort required for starting, making it user-friendly even for those inexperienced with power equipment.

The SRM-410U is equipped with a high-capacity fuel tank, which minimizes downtime during operations. The large tank capacity allows for extended use without frequent refueling, thereby improving productivity for users on larger properties or job sites. Additionally, the lightweight design of the unit enhances maneuverability, making it easier to navigate tight spaces, corners, and uneven terrain.

Another significant aspect of the SRM-410U is its advanced cutting system. The trimmer features a professional, heavy-duty bump head that allows for quick line adjustments. The dual-line design provides a wider cutting path, which drastically reduces the time spent trimming. This efficiency is further enhanced by the unit's ability to accommodate various cutting attachments, including brush blades and mulching kits, offering versatility for different landscaping tasks.

The ergonomic construction of the SRM-410U contributes to user comfort during extended periods of use. The handle is designed to reduce vibration, minimizing user fatigue. The unit also features a comfortable shoulder strap which distributes weight evenly, allowing more accessible handling during longer sessions.

In terms of build quality, the Echo SRM-410U is made with durable materials that ensure longevity in harsh working environments. The chassis is constructed to withstand regular wear and tear, making it a dependable choice for professionals who rely on their tools daily.

Overall, the Echo SRM-410U is a powerful, efficient, and versatile string trimmer that caters to the needs of both casual users and landscape professionals. Its combination of advanced technology, robust performance, and user-friendly design makes it a top choice for anyone looking to tackle outdoor trimming tasks effectively.