Echo GT-220ES

GT-220ES, SRM-220ES
10-21P-02
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.
1
SERVICE DATA
TRIMMER/BRUSHCUTTER
GT-220ES
SRM-220ES
(Serial nember : 36000001 and after)
STAGE MODEL
(Serial nember : 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 ......................... 4
1-5 Service limits............................................... 5
1-6 Special tools ............................................... 6
2 CARBURETTOR ADJUSTMENT PROCEDURE
...
7
2-1 General adjusting rules ............................... 7
2-2 Initial Idle adjust screw, Idle mixture needle
and Hi speed mixture needle settings ................... 7
2-3 Adjusting carburettor................................... 8
Reference No.
10-21P-02
REVISED: 200901
ISSUED: 200705
INDEX

Echo GT-220ES Specifications

General

Engine Displacement	21.2 cc
Engine Type	2-stroke
Power Source	Gas
Cutting Swath/Width	16 inches
Shaft Type	Straight
Dry Weight	10.1 lbs (4.6 kg)

Summary

SERVICE INFORMATION

1-1 Specifications

Detailed technical specifications for GT-220ES and SRM-220ES models including dimensions and weight.

1-2 Technical data

Technical data for engine, ignition, and carburettor systems, including speeds, gaps, and timings.

1-3 Torque limits

Specified torque values for various bolts, nuts, and screws used in assembly and repair.

1-4 Special repairing materials

Lists recommended thread locking sealant and grease for specific components and locations.

1-5 Service limits

Measurement limits for cylinder bore, piston diameter, ring groove, and other critical engine parts.

1-6 Special tools

Identification and purpose of specialized tools required for maintenance and repair procedures.

CARBURETTOR ADJUSTMENT PROCEDURE

2-1 General adjusting rules

General rules and checks before starting carburettor adjustment, including fuel and unit preparation.

2-2 Initial Idle adjust screw, Idle mixture needle and Hi speed mixture needle settings

Initial settings for idle adjust screw and mixture needles, including limiter plug removal.

2-3 Adjusting carburettor

Step-by-step guide for adjusting idle speed, idle mixture, and high-speed mixture for optimal performance.