Operator's Manual
Table Of Contents
- Table of Contents
- IIntroduction 3
- Servicing Information 3
- Parts/Serial Number 3
- Service 4
- ECHO Consumer Product Support 4
- Product Registration 4
- Additional Literature 4
- Safety 5
- Manual Safety Symbols and Important Information 5
- International Symbols 6
- Personal Condition and Safety Equipment 8
- Equipment 12
- Emission Control
- (Exhaust & Evaporative) 14
- CARB And EPA Emissions Control Information 14
- Description 15
- Contents 16
- Assembly 17
- Support Handle Installation 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 38
- Lubrication 39
- Nylon Line Replacement 40
- Sharpening Metal Blades 41
- Troubleshooting 43
- Storage 45
- Long Term Storage (Over 30 Days) 45
- Specifications 46
- Product Registration 48
- Introduction
- Servicing Information
- Parts/Serial Number
- Service
- ECHO Consumer Product Support
- Product Registration
- Additional Literature
- Safety
- Manual Safety Symbols and Important Information
- International Symbols
- Personal Condition and Safety Equipment
- Equipment
- Emission Control
- (Exhaust & Evaporative)
- CARB And EPA Emissions Control Information
- Description
- Contents
- Assembly
- Support Handle Installation
- Operation
- Operation With Blades
- Blade Selection
- Fuel
- Starting Cold Engine
- Starting Warm Engine
- Stopping Engine
- Applications
- Operating Techniques
- Reaction Forces
- Blade Cutting Problems
- Maintenance
- Skill Levels
- Maintenance Intervals
- Air Filter
- Fuel Filter
- Spark Plug
- Cooling System
- Exhaust System
- Carburetor Adjustment
- Lubrication
- Nylon Line Replacement
- Sharpening Metal Blades
- Troubleshooting
- Storage
- Long Term Storage (Over 30 Days)
- Specifications
- Product Registration
- Notes
MAINTENANCE SRM-225
38 X7732273804
© 11/19 ECHO Incorporated
Exhaust Port Cleaning
Level 2.
1. Remove spark plug lead from spark plug, and remove engine cover.
2. Place piston at top dead
center. Remove muffler (A)
and heat shield (B).
3. Use a wood or plastic
scraping tool to clean deposits
from cylinder exhaust port (C).
Never use a metal tool to scrape carbon from the exhaust port. Do
not scratch the cylinder or piston when cleaning the exhaust port. Do
not allow carbon particles to enter the cylinder.
4. Inspect heat shield, and replace if damaged.
5. Install heat shield and muffler.
6. Tighten muffler mounting bolts (or nuts) to 90-110 kgf•cm (80-95
in•lbf).
7. Install engine cover and attach spark plug lead.
8. Start engine, and warm to operating temperature.
9. Stop engine, and re-tighten mounting bolts (or nuts) to specifications.
Parts Required: As needed: Heat Shield
A
B
C
C










