Echo CS-270WES User Manual

00-26C-01
1
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, illustrations and directions in this
SERVICE DATA are based on the latest
products information available at the time
of publication.
ECHO SERVICE MANUAL Ord.
401-22(Model : CS-2600) contains lots of
information for servicing this model.
0
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 ................................ 10
Reference No.
00-26C-01
REVISED: 200804
ISSUED: 200703

Echo CS-270WES Specifications

General

Engine Displacement	26.9 cm³
Power Output	0.9 kW
Bar Length	30 cm, 35 cm
Weight	3.1 kg (dry weight without bar and chain)
Fuel Tank Capacity	0.24 l
Displacement	26.9 cm³
Dry Weight	3.1 kg
Chain Oil Capacity	0.16 liters
Oil Tank Capacity	0.16 liters
Chain Oil Tank Capacity	0.16 liters

Summary

Service Information

1-1 Specifications

Detailed technical specifications for CS-260TES and CS-270WES chainsaw models.

1-2 Technical data

Key performance data including engine, ignition, and carburetor parameters for model comparison.

1-3 Torque limits

Specified torque values for assembly of various components, ensuring correct tightness.

1-4 Special repairing materials

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

1-5 Service Limits

Critical dimensional tolerances for engine parts to ensure proper function and wear.

1-6 Special tools

List of specialized tools with part numbers required for specific maintenance tasks.

Carburettor Adjustment Procedure

2-1 General adjusting rules

Pre-adjustment checks and general guidelines for safe and effective carburetor tuning.

2-2 Presetting idle adjust screw, L mixture needle and H mixture needle

Initial settings for idle screw, L, and H mixture needles before fine-tuning.

2-3 Adjusting carburettor

Step-by-step process for fine-tuning the carburetor for optimal idle and high-speed operation.