Echo SRM-280

Specifications, descriptions and illustrative material in this literature are as accurate as known at the time
of publication, but are subject to change without notice. Illustrations may include optional equipment and
accessories, and may not include all standard equipment.
Operator’s Manual
X7502310207
© 5/2013 ECHO Inc.
x7722271404 / x772000164
SRM-280/S
GRASS TRIMMER /
BRUSH CUTTER
Burn Hazard
The muffler or catalytic muffler and surrounding cover may become extremely hot.
Always keep clear of exhaust and muffler area, otherwise serious personal injury may
occur.
The engine exhaust from this product contains chemicals known to the State of California to cause
cancer, birth defects or other reproductive harm.
Users of this equipment risk injury to themselves and others if the unit is used
improperly and/or safety precautions are not followed. ECHO provides an operator’s
manual and a safety manual. Both must be read and understood for proper and safe
operation. Failure to do so could result in serious injury.

Echo SRM-280 Specifications

General

Engine Type	2-stroke
Starting System	Recoil
Cutting Width	17 inches (43 cm)
Line Diameter	2.4 mm
Cutting Swath	17 inches (43 cm)

Summary

INTRODUCTION

The Operators Manual

Contains specifications and information for safety, operation, maintenance, storage and assembly.

The Safety Manual

Explains possible hazards and measures to take for safe operation.

SERVICING INFORMATION

Parts and Serial Number

Locating model and serial numbers for service and support needs.

Service and Support

Information on authorized service dealers and consumer product support.

Warranty Registration

Steps to register your product for trouble-free warranty coverage.

SAFETY

Additional or Replacement Manuals

Information on obtaining additional operator or safety manuals.

Manual Safety Symbols and Important Information

Explanation of safety alert symbols (DANGER, WARNING, CAUTION, NOTICE).

International Symbols

Meaning of common symbols used on the product and in the manual.

Personal Condition and Safety Equipment

Guidelines on operator's physical state and required safety gear.

Vibration and Cold Health Effects

Precautions against Raynaud's Phenomenon from vibration and cold.

Repetitive Stress Injuries (RSICTS)

Preventing and mitigating risks of Repetitive Stress Injuries.

Electrical and Environmental Hazards

Warnings about overhead wires, enclosed areas, and hot surfaces.

Safe Work Area and Operation Practices

Ensuring a clear work area and maintaining a firm stance.

Equipment Safety Checks

Pre-operation checks for loose parts, shields, and attachments.

EMISSION CONTROL (EXHAUST & EVAPORATIVE)

EPA 2010 and Later C.A.R.B. TIER III Standards

Emission control system information for specific engine models.

Emission Control Label Information

Locating and understanding the emission control information label.

DESCRIPTION

Unit Component Identification

Diagram and list of major parts of the SRM-280/S unit.

Detailed Component Descriptions

Explanation of the function of each numbered component.

ASSEMBLY

Plastic Shield Installation

Instructions for installing the plastic debris shield.

Nylon Line Head Installation

Steps for attaching the nylon trimmer line head.

Advancing Trimmer Line

Method for extending trimmer line during operation.

Removing Nylon Line Head

Procedure for detaching the nylon trimmer line head.

Support Handle Installation

Adjusting the support handle for comfortable operation.

OPERATION

Operation With Blades

Configuration and safety requirements for using cutting blades.

Blade Selection Guide

Choosing the correct blade for different cutting tasks.

Fuel Requirements and Handling

Specifications for gasoline, oil, and safe fuel handling practices.

Fuel Mixing Instructions

Proper ratio and method for mixing fuel and oil.

Starting Cold Engine Procedure

Step-by-step guide to start a cold engine.

Starting Warm Engine Procedure

Step-by-step guide to start a warm engine.

Stopping Engine Procedure

How to safely shut down the engine.

MAINTENANCE

Skill Levels for Maintenance Tasks

Grading of maintenance tasks by difficulty and required skill.

Maintenance Intervals Summary

Table outlining recommended maintenance frequencies.

Air Filter Maintenance

Cleaning or replacing the air filter for optimal engine performance.

Fuel Filter Maintenance

Procedure for inspecting and replacing the fuel filter.

Spark Plug Maintenance

Inspection, cleaning, and gapping of the spark plug.

Cooling System Maintenance

Ensuring proper airflow to prevent engine overheating.

Exhaust System Maintenance

Maintenance of the spark arrestor screen and exhaust components.

Exhaust Port Cleaning

Cleaning carbon deposits from the exhaust port.

Carburetor Adjustment

Adjusting the carburetor for optimal engine performance.

Lubrication Procedures

General guidance on lubricating moving parts.

Gear Housing Lubrication

Checking and adding grease to the gear housing.

Drive Shaft Lubrication

Lubricating the flexible drive shaft cable.

Nylon Line Head Disassembly

Instructions for taking apart the nylon line head.

Nylon Line Replacement

Procedure for refilling the trimmer head with new line.

Sharpening Metal Blades

Guide to sharpening metal cutting blades for balance and sharpness.

TROUBLESHOOTING

Engine Cranks but Doesnt Start

Diagnosing and fixing issues when the engine won't start.

Engine Runs but DiesHesitates

Troubleshooting issues with engine performance after starting.

Engine Does Not Crank

Resolving problems when the engine fails to turn over.

STORAGE

Long Term Storage (Over 30 Days)

Steps for preparing the unit for extended storage.

SPECIFICATIONS

Model SRM-280 vs SRM-280 S

Comparison of specifications between the two models.

Technical Specifications Table

Detailed technical data including dimensions, engine, and performance.

WARRANTY STATEMENTS

Echos and Owners Responsibilities

Outlines duties for both the manufacturer and the owner.

Residential Application Warranty

Warranty terms for non-commercial, personal use.

Commercial Application Warranty

Warranty terms for professional, income-producing use.

Rental Application Warranty

Warranty terms specific to units used for rental purposes.

Purchased Parts, Blocks, Accessories Warranty

Warranty coverage for replacement parts and accessories.

Two-Stroke Engine Oil Warranty Exclusions

Critical information on using the correct oil to maintain warranty.

Warranty Exclusions and Limitations

List of conditions and actions that void the warranty.

NOTES