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TABLE OF CONTENTS
SRM-225U
TABLE OF CONTENTS
Table of Contents .............................................................................................................................. 2
Introduction ........................................................................................................................................ 4
The Operator’s Manual ................................................................................................................ 4
The Safety Manual....................................................................................................................... 4
Servicing Information ......................................................................................................................... 4
Parts/Serial Number..................................................................................................................... 4
Service ......................................................................................................................................... 4
Echo Consumer Product Support ................................................................................................ 4
Warranty Registration .................................................................................................................. 4
Additional or Replacement Manuals ............................................................................................ 5
Safety................................................................................................................................................. 5
Manual Safety Symbols and Important Information ..................................................................... 5
International Symbols .................................................................................................................. 6
Personal Condition and Safety Equipment .................................................................................. 6
Equipment.................................................................................................................................... 9
Emission Control (Exhaust & Evaporative)...................................................................................... 10
EPA 2010 and Later and/or C.A.R.B. TIER III ........................................................................... 10
Description....................................................................................................................................... 11
Contents .......................................................................................................................................... 13
Assembly ......................................................................................................................................... 14
Plastic Shield Installation ........................................................................................................... 14
Nylon Line Head Installation ...................................................................................................... 14
To Advance Trimmer Line.......................................................................................................... 15
Remove Nylon Line Head .......................................................................................................... 15
Blade Installation........................................................................................................................ 15
U-Handle Installation.................................................................................................................. 17
Throttle Linkage and Ignition Leads........................................................................................... 17
Balance and Adjust Unit............................................................................................................. 18
Operation ......................................................................................................................................... 19
Operation With Blades ............................................................................................................... 19
Blade Selection .......................................................................................................................... 20
Fuel ............................................................................................................................................ 21
Starting Cold Engine .................................................................................................................. 23
Starting Warm Engine................................................................................................................ 24
Stopping Engine......................................................................................................................... 24
Maintenance .................................................................................................................................... 25
Skill Levels ................................................................................................................................. 25
Maintenance Intervals................................................................................................................ 25
Air Filter...................................................................................................................................... 26
Fuel Filter ................................................................................................................................... 26
Spark Plug ................................................................................................................................. 27
Cooling System.......................................................................................................................... 27
Exhaust System ......................................................................................................................... 28
Carburetor Adjustment............................................................................................................... 29
Lubrication ................................................................................................................................. 30
Nylon Line Head Disassembly Instructions................................................................................ 31
Nylon Line Replacement............................................................................................................ 31
Sharpening Metal Blades........................................................................................................... 32
Troubleshooting ............................................................................................................................... 34