Table Of Contents; Introduction; The Operator's Manual; The Safety Manual - Echo SRM-231U 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.
THE OPERATOR
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 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
Safety Instructions ............................................................. 5
- Personal Condition and Safety Equipment ................. 5
- Extended Operation/Extreme Conditions ................... 5
- Equipment .................................................................. 6
- Safe Operation ............................................................ 7
Emission Control ................................................................ 7
Description ......................................................................... 8
- Contents ..................................................................... 8
Specifications .................................................................... 11
Assembly .......................................................................... 12
- Plastic Shield Installation .......................................... 12
- Nylon Line Head Installation ................................... 12
- Accessory Installation .............................................. 13
- Metal Shield Installation ........................................... 13
- U-Handle Installation ............................................... 14
Pre-Operation ................................................................... 15
- Operation with Blades .............................................. 15
- Fuel ........................................................................... 18
Copyright© 2003 By Echo, Incorporated
All Rights Reserved.
'
S MANUAL
Operation .......................................................................... 19
- Starting Cold Engine ................................................. 19
- Starting Warm Engine ............................................... 20
- Stopping Engine ........................................................ 21
Maintenance ..................................................................... 21
- Skill Levels ................................................................ 21
- Maintenance Intervals .............................................. 22
- Air Filter ................................................................... 23
- Fuel Filter ................................................................. 23
- Spark Plug ................................................................. 24
- Cooling System Cleaning .......................................... 24
- Exhaust System ........................................................ 25
- Carburetor Adjustment ............................................. 26
- Lubrication ................................................................ 27
- Nylon Line Replacement .......................................... 28
- Sharpening Metal Blades .......................................... 29
Troubleshooting ................................................................ 30
Storage .............................................................................. 31
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
publication, but are subject to change without notice.
Illustrations may include optional equipment and
accessories, and may not include all standard equipment.