TABLE OF CONTENTS
TABLE OF CONTENTS
Introduction ........................................................................................................................................ 3
Servicing Information ......................................................................................................................... 3
Parts and Serial Number.............................................................................................................. 3
Warranty Registration .................................................................................................................. 3
Service ......................................................................................................................................... 3
Safety................................................................................................................................................. 4
International Symbols .................................................................................................................. 5
Equipment.................................................................................................................................... 8
Description....................................................................................................................................... 10
Contents .......................................................................................................................................... 11
Assembly ......................................................................................................................................... 12
Shield Installation....................................................................................................................... 12
To Advance Trimmer Line.......................................................................................................... 13
Remove Nylon Line Head .......................................................................................................... 13
Operation ......................................................................................................................................... 14
Fuel ............................................................................................................................................ 14
Starting Cold Engine .................................................................................................................. 16
Starting Warm Engine................................................................................................................ 17
Stopping Engine......................................................................................................................... 18
Applications................................................................................................................................ 18
Reaction Forces......................................................................................................................... 20
Blade Cutting Problems ............................................................................................................. 21
Maintenance .................................................................................................................................... 22
Skill Levels ................................................................................................................................. 22
Maintenance Intervals................................................................................................................ 22
Air Filter...................................................................................................................................... 23
Fuel Filter ................................................................................................................................... 23
Spark Plug ................................................................................................................................. 24
Cooling System.......................................................................................................................... 24
Exhaust System ......................................................................................................................... 26
Carburetor Adjustment............................................................................................................... 27
Lubrication ................................................................................................................................. 28
Nylon Line Replacement............................................................................................................ 30
Troubleshooting ............................................................................................................................... 32
Storage ............................................................................................................................................ 33
Specifications................................................................................................................................... 34
Specifications................................................................................................................................... 35
2
SRM-225
X7732278503
© 01/22 ECHO Incorporated