Echo CS-550

INTRODUCTION
We are constantly working on technical im-
provement of our products. For this reason,
technical data, equipment and design are
subject to change without notice. All speci-
fications and directions in this SERVICE
DATA are based on the latest product infor-
mation available at the time of publication.
ECHO SERVICE MANUAL Ord. 401-31
(Model : CS-600) contains additional infor-
mation for servicing this model.
SERVICE DATA
CHAIN SAW
ECHO:
CS-550
STAGE MODEL
(Serial number : 37000001 and after)
CONTENTS
page
1 SERVICE INFORMATION
.............................. 2
1-1 Specifi cation ............................................... 2
1-2 Technical data ............................................. 3
1-3 Torque limits................................................ 4
1-4 Special repairing materials ......................... 5
1-5 Service limits............................................... 6
1-6 Special tools ............................................... 7
2
CARBURETTOR ADJUSTMENT PROCEDURE
.. 8
2-1 General adjusting rules ............................... 8
2-2 Presetting Idle adjust screw, L mixture needle
and H mixture needle ....................................... 8
2-3 Adjusting carburettor................................... 9
Reference No.
01-54B-00
ISSUED: 201102
CS-550
01-54B-00
1
0

Echo CS-550 Specifications

General

Brand	Echo
Model	CS-550
Category	Saw
Language	English

Summary

Service Information

1-1 Specifications

Detailed technical specifications of the chainsaw.

1-2 Technical Data

Performance metrics, ignition, and carburettor data.

1-3 Torque Limits

Specified torque values for various components.

1-4 Special Repairing Materials

Recommended adhesives, greases, and sealants.

1-5 Service Limits

Critical wear limits for engine components.

1-6 Special Tools

List of specialized tools for servicing.

Carburettor Adjustment Procedure

2-1 General Adjusting Rules

Pre-adjustment checks and safety notes for carburettor tuning.

2-2 Presetting Idle Adjust Screw, L Mixture Needle and H Mixture Needle

Initial settings for idle and mixture screws.

2-3 Adjusting Carburettor

Step-by-step guide for fine-tuning carburettor settings.