Table Of Contents; Introduction; The Operators Manual; The Safety Manual - Echo SRM - 3100 Operator's Manual

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I
NTRODUCTION
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.
Read rules for safe operation and instructions carefully. ECHO provides an Operator's Manual and a Safety
Manual. Both must be read and understood for proper and safe operation.
THE OPERATOR
contains specifications and information for operation, starting,
stopping, maintenance, storage and assembly specific to this product.

THE SAFETY MANUAL

explains possible hazards involved with the use of Grass Trimmers and
Brush Cutters and what measures you should take to make their use
safer.
T C
ABLE OF ONTENTS
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
- Equipment ............................................................... 5
- Fuel .......................................................................... 5
- Personal Condition and Safety Equipment ............. 6
- Safe Operation ......................................................... 7
- Extended Operation/Extreme Conditions ................ 8
Description ......................................................................... 9
- Contents .................................................................. 9
- Blade Terms and Definitions ................................... 9
- Emission Control ................................................... 10
Specifications .................................................................... 12
Assembly .......................................................................... 13
- Drive Shaft /Powerhead ......................................... 13
- Plastic Shield Installation ...................................... 13
- Nylon Head Installation ........................................ 14
- Blade Installation ................................................... 14
- Harness Clamp Installation ................................... 15
- Throttle Linkage and Ignition Leads ...................... 16
- Front Handle Installation ...................................... 17
- U-Handle Installation ............................................ 17
Pre-Operation ................................................................... 20
- Operation with Blades .......................................... 20
- Fuel ........................................................................ 22
- Equipment Check .................................................. 23
- Determine Operation Area .................................... 24
CopyRight© 1999 By Echo, Incorporated
All Rights Reserved.
WARNING
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S MANUAL
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DANGER
Operation .......................................................................... 24
- Starting Cold Engine .............................................. 25
- Starting Warm Engine ............................................ 26
- Stopping Engine .................................................... 26
Maintenance ..................................................................... 27
- Skill Levels ............................................................ 27
- Maintenance Intervals ........................................... 27
- Air Filter ................................................................ 28
- Fuel Filter .............................................................. 28
- Spark Plug ............................................................. 29
- Cooling System Cleaning ....................................... 29
- Exhaust System ..................................................... 30
- Carburetor Adjustment Emission .......................... 31
- Carburetor Adjustment Non Emission .................. 32
- Lubrication ............................................................ 34
- Nylon Line Replacement ....................................... 34
- Sharpening Metal Blades ....................................... 37
Troubleshooting ................................................................ 38
Storage .............................................................................. 39
Servicing Information ........................................................ 40
- Parts ...................................................................... 40
- Service .................................................................. 40
- ECHO Consumer Product Support ...................... 40
- Warranty Card ....................................................... 40
- Additional or Replacement Manuals ..................... 40
- Manual Ordering Instructions ............................... 40
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.