Echo CS-4200ES

CS-3700ES, CS-4200ES01-36C-01
1
INTRODUCTION
We are constantly working on technical
improvement of our products. For this reason,
technical data, equipment and design are
subject to change without notice. All
specifications, illustrations and directions in
this SERVICE DATA are based on the latest
products information available at the time of
publication.
ECHO SERVICE MANUAL Ord. 401-
21(Model : CS-4200, CS-4400) contains lots
of information for servicing this model.
Introduction of primer and carburettor change
on CS-3700ES are informed by Technical
Information No. 2006-324.
0
CONTENTS
page
1 SERVICE INFORMATION ............................. 2
1-1 Specification ............................................... 2
1-2 Technical data ............................................ 3
1-3 Torque limits ............................................... 4
1-4 Special repairing materials ......................... 4
1-5 Service limits .............................................. 5
1-6 Special tools ............................................... 6
2 EMISSION ADJUSTMENT GUIDE ............... 7
2-1 General adjusting rules .............................. 7
2-2 Presetting idle adjust screw, L mixture needle
and H mixture needle ....................................... 8
2-3 Adjusting carburettor .................................. 9
Reference No. 01-36C-01
R E V I S E D : 2 0 0 6 0 7
INDEX
ISSUED: 200409

Echo CS-4200ES Specifications

General

Weight (without bar and chain)	4.6 kg
Starter System	ES-Start
Vibration Damping	Yes
Automatic Oiler	Yes
Bar Length	40 cm (16 inches)
Fuel Tank Capacity	0.41 L
Chain Gauge	0.050 inches
Ignition System	CDI
Chain Pitch	0.325 inches

Summary

SERVICE INFORMATION

Specifications

Detailed technical specifications for the CS-3700ES and CS-4200ES chainsaw models.

Technical Data

Engine, ignition, carburettor, and other technical parameters for both models.

Torque Limits

Torque specifications for fasteners and components during assembly and repair.

Special Repairing Materials

Recommended adhesives, sealants, and greases for servicing and repair procedures.

Service Limits

Wear limits for critical engine and component parts, presented with measurement illustrations.

Special Tools

List of specialized tools required for maintenance and repair procedures, including part numbers.

EMISSION ADJUSTMENT GUIDE

General Adjusting Rules

Pre-adjustment checks and guidelines for ensuring proper emission control adjustments.

Presetting Idle Adjust Screw, L Mixture Needle and H Mixture Needle

Initial setting procedures for idle speed and mixture needles prior to fine-tuning.

Adjusting Carburettor

Step-by-step procedure for fine-tuning the carburettor for optimal performance and emissions.