22
SRM-2305
Cause
• Fuel filter clogged
• Fuel line clogged
• Carburettor
• Carburettor
• Fuel mixture is too rich
• Ignition switch off
• Electrical problem
• Spark gap incorrect
• Covered with carbon
• Fouled with fuel
• Spark plug defective
• Internal engine problem
• Air filter dirty
• Fuel filter dirty
• Fuel vent plugged
• Spark plug
• Carburettor
• Cooling system plugged
• Exhaust port/silencer
plugged
Trouble
- hard to start
- does not start
Fuel at
carburettor
Fuel at cylinder
Spark at end of
plug wire
Spark at plug
Dies or
accelerates
poorly
TROUBLE SHOOTING
Engine
Engine
cranks
Engine
does not
crank
Engine
runs
No fuel at
carburettor
No fuel at
cylinder
Silencer wet with
fuel
No spark at end
of plug wire
No spark at plug
Remedy
• Clean or replace
• Clean
• Ask your ECHO dealer
• Ask your ECHO dealer
• Open choke
• Clean/replace air filter
• Adjust carburettor
• Ask your ECHO dealer
• Turn switch on
• Ask your ECHO dealer
• Adjust 0.6 to 0.7 mm
• Clean or replace
• Clean or replace
• Replace plug
• Ask your ECHO dealer
• Clean or replace
• Clean or replace
• Clean
• Clean and adjust/replace
• Adjust
• Clean
• Clean
WARNING DANGER
• ALL TRIMMER SERVICE OPERATIONS, OTHER THAN ITEMS LISTED IN THE OPERATOR’S MANUAL,
SHOULD BE PERFORMED BY COMPETENT SERVICE PERSONNEL.
• FUEL VAPORS ARE EXTREMELY FLAMMABLE AND MAY CAUSE FIRE AND/OR EXPLOSION. NEVER
TEST FOR IGNITION SPARK BY GROUNDING SPARK PLUG NEAR CYLINDER PLUG HOLE,
OTHERWISE SERIOUS PERSONAL INJURY MAY RESULT.
SERVICING GUIDE
IMPORTANT
Time intervals are maximum. Actual use and your experience will determine the frequency of required
maintenance.
* Or 50 hours, whichever occurs first.
AREA MAINTENANCE PAGE BEFORE USE MONTHLY
Air Filter Clean/Replace 19 •
Fuel Filter Inspect/Clean/Replace 19 •
Spark Plug Inspect/Clean/Adjust/Replace 20 •
Carburettor Adjust/Replace and adjust 19 •
Cooling System Inspect/Clean 19 •
Silencer Inspect/Tighten/Clean 20 •
Angle Transmission Grease 20 •*
Starter Rope Inspect/Replace - •
Cut off Knife Inspect/Clean - •
Fuel System Inspect 20 •
Screws, Bolts and Nuts Inspect, Tighten/Replace - •
