TABLE OF CONTENTS
TABLE OF CONTENTS
Table of Contents.......................................................................................................................... 2
Introduction ................................................................................................................................... 3
Servicing Information .................................................................................................................... 3
Parts/Serial Number ............................................................................................................ 3
Service................................................................................................................................. 4
Product Registration ............................................................................................................ 4
Additional Literature............................................................................................................. 4
Safety............................................................................................................................................ 4
International Symbols .......................................................................................................... 5
Equipment.......................................................................................................................... 12
Description .................................................................................................................................. 15
Contents...................................................................................................................................... 16
Assembly .................................................................................................................................... 17
U-handle Installation .......................................................................................................... 17
Blade Installation ............................................................................................................... 18
To Advance Trimmer Line ................................................................................................. 21
Balance and Adjust Unit .................................................................................................... 22
Operation .................................................................................................................................... 22
Operation With Blades....................................................................................................... 23
Blade Selection.................................................................................................................. 24
Fuel.................................................................................................................................... 26
Starting Cold Engine.......................................................................................................... 29
Starting Warm Engine........................................................................................................ 30
Stopping Engine ................................................................................................................ 32
Applications ....................................................................................................................... 32
Operating Techniques ....................................................................................................... 33
Reaction Forces................................................................................................................. 33
Blade Cutting Problems ..................................................................................................... 34
Maintenance ............................................................................................................................... 35
Skill Levels......................................................................................................................... 36
Maintenance Intervals........................................................................................................ 36
Air Filter ............................................................................................................................. 37
Fuel Filter........................................................................................................................... 39
Spark Plug ......................................................................................................................... 40
Cooling System.................................................................................................................. 40
Exhaust System................................................................................................................. 42
Carburetor Adjustment....................................................................................................... 43
Lubrication ......................................................................................................................... 44
Nylon Line Replacement.................................................................................................... 46
Sharpening Metal Blades................................................................................................... 48
Storage ....................................................................................................................................... 49
Specifications.............................................................................................................................. 50
Product Registration ................................................................................................................... 52
Notes........................................................................................................................................... 54
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SRM-3020U
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