Echo CS-341

X7503206104
X750009894
04/12
WARNING
Users of this equipment risk injury to themselves and others if the unit is used im-
properly 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.
Chain Saw
Instruction Manual
MODEL : CS-341

Echo CS-341 Specifications

General

Sound Power Level	109 dB(A)
Power Output	1.4 kW
Bar Length	35 cm
Chain Pitch	3/8 in
Chain Gauge	0.050 inch

Summary

RULES FOR SAFE OPERATION

Kickback Safety Precaution for Chain Saw Users

Precautions to prevent kickback, a sudden upward and backward movement of the guide bar.

Other Safety Precautions

General safety guidelines for operating chain saws, including handling, personal protection, and work area.

TECHNICAL DATA

EMISSION DATA

DESCRIPTION

Overview of the product, what's included in the package, and initial checks.

NOMENCLATURE OF PARTS

PREPARATION FOR USE

KICK GUARD TO BAR INSTRUCTIONS

Step-by-step guide for installing the Kick Guard to the guide bar.

GUIDE BAR AND SAW CHAIN-INSTALL REMOVE

Instructions for installing and removing the guide bar and saw chain.

ADJUSTMENT, CHAIN TENSION

FUEL AND LUBRICANT

Handling Fuel

Mixing Instructions

Step-by-step guide for mixing fuel and oil for the chainsaw.

CHAIN LUBRICANT

Information on lubricating the chain and guide bar for optimal performance.

OPERATION

STARTING COLD ENGINE

Step-by-step instructions for starting the engine when it is cold.

WHEN ENGINE IS HARD TO START

Troubleshooting steps for an engine that is difficult to start.

STARTING WARM ENGINE

Instructions for starting the engine when it is already warm.

RUNNING

Guidelines for operating the chainsaw after the engine has started.

STOPPING

Procedures for safely stopping the chainsaw engine.

CUTTING INSTRUCTIONS

GENERAL

General advice and techniques for operating the chain saw while cutting.

FELLING A TREE

LIMBING

Instructions on how to remove branches from a fallen tree.

BUCKING

KICKBACK

Explanation of kickback and warnings about its dangers.

MAINTENANCE AND CARE

SKILL LEVELS

Explanation of skill levels required for maintenance tasks.

MAINTENANCE INTERVALS

Table outlining maintenance tasks and their recommended intervals.

AIR FILTER

AUTOMATIC OILER

Instructions for checking and adjusting the automatic oiler.

OIL STRAINER

Procedure for checking and cleaning the oil strainer.

FUEL STRAINER

Steps for checking and cleaning the fuel strainer.

GUIDE BAR AND OIL HOLES

SPROCKET

Maintenance and inspection of the saw sprocket.

SPARK PLUG

Instructions for checking, gapping, and replacing the spark plug.

COOLING SYSTEM CLEANING

MUFFLER SPARK ARRESTOR

Procedures for cleaning the muffler and spark arrestor screen.

EXHAUST PORT CLEANING

CARBURETOR ADJUSTMENT

Engine Break-In

Guidance on engine break-in period before carburetor adjustments.

High Altitude Operation

Information on engine operation and carburetor adjustment at high altitudes.

LOW ALTITUDE ADJUSTMENT

Steps for adjusting the carburetor for low altitude operation.

HIGH ALTITUDE ADJUSTMENT

Steps for adjusting the carburetor for high altitude operation.

CHAIN AND GUIDE BAR COMBINATIONS

SETTING THE SAW CHAIN

CHAIN TYPE AND SPROCKET PITCH

How to identify chain type and sprocket pitch for compatibility.

TROUBLESHOOTING

ENGINE PROBLEM TROUBLESHOOTING CHART

A chart detailing common engine problems, their causes, and remedies.

STORAGE AFTER USE

CORRECT USE OF CHAIN BRAKE

INSTALLATION

Recommendations for chain brake installation by authorized dealers.

OPERATION

Instructions on how to operate the chain brake during use.

TESTING THE BRAKE

Procedure for testing the functionality of the chain brake.

WARRANTY STATEMENTS

RESIDENTIAL APPLICATION

Warranty terms for residential use of the product.

COMMERCIAL APPLICATION

Warranty terms for commercial, industrial, and rental use.

PURCHASED REPAIR PARTS, SHORT BLOCKS AND ACCESSORIES

ATTENTION TWO-STROKE ENGINE POWER PRODUCT OWNERS

Important information for owners of two-stroke engine products regarding oil and fuel.

ECHO INCORPORATED EMISSION CONTROL WARRANTY STATEMENT

MANUFACTURERS WARRANTY COVERAGE

Details on the manufacturer's warranty coverage for emission control systems.

OWNERS WARRANTY RESPONSIBILITIES

Owner's duties to maintain warranty coverage, including maintenance and proper use.

SERVICING INFORMATION

PARTSSERIAL NUMBER

Information on obtaining parts and identifying the unit's serial number.

SERVICE

Guidance on where and how to get the product serviced.

ECHO CONSUMER PRODUCT SUPPORT

Contact information for consumer product support.

WARRANTY REGISTRATION

Instructions for registering the product for warranty coverage.