2TABLE OF CONTENTSIntroduction ........................................................................ 2- The Operator's Manual ............................................... 2- The Safety manual ....................................................... 2Manual Safety Symbols and Important Information ......... 3Safety .................................................................................. 3- Decals .......................................................................... 3- International Symbols ................................................. 4Safety Instructions ............................................................. 5- Personal Condition and Safety Equipment ................. 5- Extended Operation/Extreme Conditions ................... 5- Equipment .................................................................. 6- Safe Operation ............................................................ 7Emission Control ................................................................ 7Description ......................................................................... 8- Contents ..................................................................... 8Specifications .................................................................... 11Assembly .......................................................................... 12- Plastic Shield Installation .......................................... 12- Nylon Head Installation ........................................... 12- Front Handle Installation .......................................... 13Pre-Operation ................................................................... 13- Operation with Blades .............................................. 13- Fuel ........................................................................... 16Operation .......................................................................... 17- Starting Cold Engine .................................................. 17- Starting Warm Engine ................................................ 18- Stopping Engine ........................................................ 19Maintenance ..................................................................... 19- Skill Levels ................................................................ 19- Maintenance Intervals .............................................. 20- Air Filter ................................................................... 21- Fuel Filter ................................................................. 21- Spark Plug ................................................................. 22- Cooling System Cleaning .......................................... 22- Exhaust System ........................................................ 23- Carburetor Adjustment ............................................. 24- Lubrication ................................................................ 26- Nylon Line Replacement .......................................... 27- Sharpening Metal Blades .......................................... 28Troubleshooting ................................................................ 29Storage .............................................................................. 30Servicing Information ........................................................ 32- Parts .......................................................................... 32- ECHO Consumer Product Support .......................... 32- Service ....................................................................... 32- Warranty Card .......................................................... 32- Additional or Replacement Manuals ........................ 32Specifications, descriptions and illustrative material inthis literature are as accurate as known at the time ofpublication, but are subject to change without notice.Illustrations may include optional equipment andaccessories, and may not include all standard equipment.Copyright© 2004 By Echo, IncorporatedAll Rights Reserved.INTRODUCTIONWelcome to the ECHO family. This ECHO product was designed and manufactured to provide long life and on-the-jobdependability. Read and understand this manual and the SAFETY MANUAL before operation. You will find both easyto use and full of helpful operating tips and SAFETY messages.THE OPERATOR 'S MANUALContains specifications and information for operation, starting, stop-ping, maintenance, storage, and assembly specific to this product. Keepit in a safe place for future reference.THE SAFETY MANUALExplains possible hazards involved with the use of Grass Trimmers andBrush Cutters and what measures you should take to make their usesafer. Keep it in a safe place for future reference.