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
.................................................................................................................................... 5
International Symbols ................................................................................................. 5
Equipment ................................................................................................................ 12
Description ........................................................................................................................ 15
Contents............................................................................................................................ 16
Assembly........................................................................................................................... 17
Operation .......................................................................................................................... 17
Operation With Blades.............................................................................................. 18
Blade Selection......................................................................................................... 19
Fuel........................................................................................................................... 21
Starting Cold Engine................................................................................................. 24
Starting Warm Engine .............................................................................................. 25
Stopping Engine ....................................................................................................... 27
Applications .............................................................................................................. 27
Operating Techniques .............................................................................................. 28
Reaction Forces ....................................................................................................... 28
Blade Cutting Problems............................................................................................ 29
Maintenance...................................................................................................................... 30
Skill Levels................................................................................................................ 30
Maintenance Intervals .............................................................................................. 31
Air Filter .................................................................................................................... 32
Fuel Filter.................................................................................................................. 33
Spark Plug ................................................................................................................ 34
Cooling System ........................................................................................................ 34
Exhaust System........................................................................................................ 36
Carburetor Adjustment ............................................................................................. 37
Lubrication ................................................................................................................ 38
Nylon Line Replacement .......................................................................................... 40
Sharpening Metal Blades ......................................................................................... 42
Troubleshooting ................................................................................................................ 43
Storage.............................................................................................................................. 45
Specifications .................................................................................................................... 46
Product Registration.......................................................................................................... 48
2
SRM-3020
X7502350002
© 2/20 ECHO Incorporated