Grass Trimmer/Brush Cutter

 

 

Operator's Manual

33

Specifications

 

 

MODEL ----------------------------------------------------

SRM-280U

 

Length -------------------------------------------------------

1805 mm (71.1 in.)

 

Width --------------------------------------------------------

700 mm (27.6in.)

 

Height -------------------------------------------------------

515 mm (20.3 in.)

 

Weight (dry) w/Cutter Head------------------------------

6.38 kg (14.1 lb.)

 

Engine Type ------------------------------------------------

Air cooled, two-stroke, single cylinder gasoline engine

 

Bore----------------------------------------------------------

34.0 mm (1.34 in.)

 

Stroke--------------------------------------------------------

31.0 mm (1.22 in.)

 

Displacement -----------------------------------------------

28.1 cc (1.71 cu. in.)

 

Exhaust ------------------------------------------------------

Spark arrestor muffler or spark arrestor muffler with catalyst

 

Carburetor---------------------------------------------------

Diaphragm model w/purge pump

 

Ignition System --------------------------------------------

Flywheel magneto, capacitor discharge ignition type

 

Spark Plug --------------------------------------------------

NGK BPM-8Y (Gap 0.65 mm (0.026 in.)

 

Fuel ----------------------------------------------------------

Mixed (Gasoline and Two-stroke Oil)

 

Fuel/Oil Ratio ----------------------------------------------

50 : 1 Power Blend X™ ISO-L-EGD (ISO/CD 13738) and

 

 

J.A.S.O. M345- FD, two-stroke, air-cooled engine oil.

 

Gasoline -----------------------------------------------------

Use 89 Octane unleaded. Do not use fuel containing methyl

 

 

alcohol, more than 10% ethyl alcohol or 15% MTBE. Do not use

 

 

alternative fuels such as E-15 or E-85.

 

Oil------------------------------------------------------------

Power Blend X TM Premium Universal 2-Stroke Oil

 

Fuel Tank Capacity ----------------------------------------

0.61 lit. (20.6 US fl. oz.)

 

Starter System ----------------------------------------------

Automatic Rewind Starter

 

Clutch--------------------------------------------------------

Centrifugal Type

 

Vibration Isolated System --------------------------------

Rubber cushion on engine mount (heavy duty). Rubber grip on

 

 

front handle.

 

Operating Rod----------------------------------------------

25.0 mm aluminum Tube

 

Drive Shaft--------------------------------------------------

6.35 mm (1/4 in.) flexible shaft

 

Gear Case Ratio --------------------------------------------

1.4:1 Reduction

 

Rotating Direction -----------------------------------------

Counter Clockwise; viewed from top

 

Cutter Head -------------------------------------------------

Nylon line head (2-line) with .095 Crossfire™ Line capacity

 

 

12m (40 ft.)

 

Handle -------------------------------------------------------

U-Handle

 

Shoulder Harness ------------------------------------------

Standard

 

Idle Speed---------------------------------------------------

2,800 RPM

 

Clutch Engagement Speed--------------------------------

3,800 RPM

 

Wide Open Throttle Speed (W.O.T.)

 

 

with Nylon Line Head ------------------------------------

9,700 rpm

 

Wide Open Throttle Speed (W.O.T.) with Blade ------

11,000 RPM

 

Page 33
Image 33
Echo SRM - 280U manual Grass Trimmer /Brush Cutter Operator s Manual, Specifications

SRM - 280U specifications

The Echo SRM-280U is a robust and versatile string trimmer designed to meet the demands of both residential users and professional landscapers. Its innovative features and cutting-edge technologies make it a standout option in the market for those seeking efficiency, durability, and exceptional performance in a lightweight package.

One of the key characteristics of the SRM-280U is its powerful engine. Equipped with a 28.1 cc, 2-stroke, air-cooled engine, this trimmer delivers reliable power and impressive torque, allowing users to tackle thick grass and dense weeds with ease. The engine is designed with a sophisticated fuel system that promotes better fuel efficiency and reduced emissions, contributing to a lower environmental impact while providing strong performance.

The SRM-280U also features an ergonomic design that enhances user comfort during extended usage. Its lightweight construction, combined with a well-balanced frame, allows for reduced operator fatigue, ensuring that users can complete their trimming tasks without strain. The curved shaft design adds to the ease of maneuverability, making it perfect for reaching tight spaces and navigating around obstacles.

Another notable feature of the SRM-280U is its advanced Easy Start system, which significantly reduces the amount of effort needed to start the engine. This system is particularly beneficial for users who may find traditional pull-start systems challenging. The ignition coil produces a strong spark, facilitating quick starts and providing confidence even in cold weather.

The trimmer is also equipped with a high-capacity, 0.095-inch diameter cutting line, optimized for durability and cutting efficiency. The dual-line head allows for quicker trimming, enabling users to cover larger areas in a shorter amount of time. Additionally, the SRM-280U supports a range of attachments, transforming it into a versatile tool capable of performing multiple landscaping tasks, from edging to brush clearing.

Durability is a hallmark of the Echo SRM-280U, as it is built with high-quality materials designed to withstand rigorous use. The trimmer’s components are constructed to resist wear and tear, ensuring that the tool remains reliable over the years. Coupled with Echo’s renowned customer service and support, the SRM-280U offers peace of mind with every purchase.

In summary, the Echo SRM-280U string trimmer is an excellent choice for users seeking a blend of power, comfort, and versatility. With its robust engine, ergonomic design, advanced starting system, and durable construction, it represents a smart investment for both home and professional gardening needs. Whether for routine yard maintenance or tackling tough landscaping challenges, the SRM-280U stands out as a top-performing solution.