Echo SRM-266/S

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
X7502026002
© 3/2013 ECHO Inc.
x7722271404 / x772000164
SRM-266/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-266/S Specifications

General

Brand	Echo
Model	SRM-266/S
Category	Trimmer
Language	English

Summary

Safety Guidelines

Understanding Safety Symbols and Alerts

Explains safety alert symbols, keywords, and their significance for user safety.

Operator Physical Condition and Gear

Emphasizes operating the unit only when physically and mentally fit, and wearing proper safety gear.

Hand and Arm Protection

Recommends gloves for grip and vibration reduction, and keeping hair secured.

Appropriate Work Clothing

Guidelines for wearing snug, durable clothing, avoiding loose items and open-toed footwear.

Preventing Repetitive Stress Injuries (RSI)

Maintaining a Safe Work Area

Importance of clearing the area and keeping bystanders, children, and pets at a safe distance.

Secure Operator Grip

Stable Stance and Balance

Avoiding Hot Surfaces and Debris

Equipment Safety Checks

Operating the Trimmer

Safe Blade Operation Configuration

Details required shields, handles, and harnesses for safe blade operation.

Selecting the Correct Cutting Blade

Guidance on matching blades to material type and size for safety and efficiency.

Fuel Requirements and Types

Specifies approved gasoline and two-stroke oil, warning against improper fuel.

Safe Fuel Handling Practices

Crucial safety steps for mixing, storing, and refueling to prevent fires and injuries.

Fuel Mixing Procedure (50:1 Ratio)

Step-by-step instructions for accurately mixing fuel and oil for the engine.

Fuel Storage and Handling

Starting a Cold Engine

Detailed steps for starting the engine from a cold state, including choke and purge bulb use.

Starting a Warm Engine

Procedure for starting the engine when it is already warm, with specific choke settings.

Safely Stopping the Engine

Instructions on how to properly shut down the engine using the stop switch.

Maintenance Procedures

Scheduled Maintenance Intervals

Chart detailing maintenance tasks, required skills, and frequency for unit upkeep.

Air Filter Maintenance

Fuel Filter Inspection and Replacement

Spark Plug Service

Cooling System Maintenance

Exhaust Port Cleaning Procedure

Carburetor Adjustment and Operation

Replacing Trimmer Line

Sharpening Metal Blades

Troubleshooting Engine Problems

Common Issues and Solutions Chart

A table listing engine problems, causes, and recommended remedies for diagnosis.

Storage Procedures

Long Term Storage (Over 30 Days)

Steps for preparing the unit for extended storage, including fuel draining and engine protection.

Product Specifications