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Echo CS-370ES User Manual

Echo CS-370ES
69 pages
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Ord. No. 401-29

Table of Contents

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Echo CS-370ES Specifications

General IconGeneral
Engine Displacement36.3 cc
Engine Type2-stroke
Chain Pitch3/8 in
Bar Length35 cm
Chain Gauge0.050 inch

Summary

Service Information

Service Limits

Maximum allowable wear and tolerance values for engine parts.

Starter System

Disassembling Starter Assembly

Step-by-step instructions for taking apart the starter mechanism.

Assembling Starter

Instructions for reassembling the starter assembly after service.

Ignition System

Testing Spark

Procedure to check for spark presence and quality using a spark tester.

Inspecting Ignition Coil Resistance

How to measure the resistance of the ignition coil.

Replacing Ignition Coil

Steps for removing and installing the ignition coil.

Setting Pole Shoe Air Gaps

How to adjust the air gap between the ignition coil and flywheel.

Fuel System

Adjusting Carburetor: General Rules

Pre-adjustment checks and general guidelines for carburetor tuning.

Presetting Carburetor Adjustments

Initial settings for idle screw, L and H mixture needles.

Adjusting Carburetor

Detailed procedure for fine-tuning the carburetor settings.

Testing Carburetor

Procedure to test the carburetor for leaks and proper function.

Inspecting Metering Lever Height

How to measure and adjust the metering lever height in the carburetor.

Inspecting Inlet Needle Valve

Checking the inlet needle valve for wear or sticking.

Inspecting Diaphragm

How to inspect the carburetor diaphragms and gaskets for damage.

Installing Carburetor

Procedure for reinstalling the carburetor onto the engine.

Clutch System

Inspecting Clutch Parts

How to inspect clutch shoes, springs, drum, and bearings.

Installing Clutch Assembly

Procedure for installing the clutch assembly onto the crankshaft.

Saw Chain Lubrication System

Disassembling Auto-Oiler Assembly

Procedure for taking apart the auto-oiler mechanism.

Assembling Auto-Oiler Parts

Procedure for reassembling the auto-oiler mechanism.

Engine

Testing Cylinder Compression

How to measure engine cylinder compression pressure.

Testing Crankcase and Cylinder Sealing

Procedure to test the crankcase and cylinder seals for leaks.

Removing Engine Block

Steps to remove the engine block assembly from the unit.

Chain Brake System

Rear Handle and Control System

Maintenance Guide

Troubleshooting Guide

A guide to diagnose and fix common engine and system problems.

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