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INTRODUCTION
Welcome to the ECHO family. This ECHO product was designed and manufactured to provide long life and on-the-job
dependability. Read and understand this manual and the SAFETY MANUAL you found in the same package. You will
find both easy to use and full of helpful operating tips and SAFETY messages.

THE OPERATOR'S MANUAL

Read and understand this manual before operation. Keep it in a safe
place for future reference. Contains specifications and information for
operation, starting, stopping, maintenance, storage and assembly
specific to this product.

THE SAFETY MANUAL

Read and understand this manual before operation. Keep it in a safe
place for future reference. Explains possible hazards involved with the
use of Edgers and the measures you should take to make their use
safer.
Copyright© 2003 By Echo, Incorporated
All Rights Reserved.
TABLE OF CONTENTS
Introduction ........................................................................ 2
- The Operator's Manual .............................................. 2
- The Safety manual ......................................................2
Manual Safety Symbols and Important Information ......... 3
Safety.................................................................................. 3
- Decals ......................................................................... 3
- International Symbols................................................. 4
Safety Instructions ............................................................. 5
- Personal Condition and Safety Equipment................. 5
- Extended Operation/Extreme Conditions ................... 5
- Equipment .................................................................. 6
- Safe Operation ............................................................7
Emission Control ................................................................7
Description ......................................................................... 8
- Package Contents........................................................ 8
- SRM-340 Parts........................................................... 9
- SRM-340 Part Descriptions..................................... 10
Specifications.................................................................... 11
Assembly.......................................................................... 12
- Drive Shaft /Power Head ..........................................12
- Plastic Shield Installation.......................................... 12
- Nylon Head Installation ........................................... 13
- Blade Installation ......................................................13
- Front Handle/Barrier Bar Installation
and Adjustment ........................................................ 14
- Throttle Linkage and Ignition Leads .........................15
- Balance and Adjust Unit........................................... 15
Pre-Operation ................................................................... 16
- Operation with Blades.............................................. 16
- Fuel ........................................................................... 18
Operation.......................................................................... 19
- Starting Cold Engine ................................................. 19
- Starting Warm Engine ............................................... 20
- Stopping Engine........................................................ 20
Maintenance ..................................................................... 21
- Skill Levels................................................................ 21
- Maintenance Intervals .............................................. 21
- Air Filter ...................................................................22
- Fuel Filter ................................................................. 22
- Spark Plug................................................................. 23
- Cooling System Cleaning ..........................................23
- Exhaust System ........................................................ 24
- Carburetor Adjustment Emission ............................. 25
- Lubrication................................................................ 26
- Nylon Line Replacement ..........................................26
- Sharpening Metal Blades ..........................................28
Troubleshooting................................................................ 29
Storage .............................................................................. 30
Servicing Information........................................................ 32
- Parts.......................................................................... 32
- Service ....................................................................... 32
- ECHO Consumer Product Support.......................... 32
- Warranty Card ..........................................................32
- Additional or Replacement Manuals ........................32
Specifications, descriptions and illustrative material in this
literature are as accurate as known at the time of publica-
tion, but are subject to change without notice. Illustrations
may include optional equipment and accessories, and may
not include all standard equipment.