SERVICING GUIDE

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

-

•

 

 

 

 

 

 

IMPORTANT

Time intervals are maximum. Actual use and your experience will determine the frequency of required maintenance.

* Or 50 hours, whichever occurs first.

TROUBLE SHOOTING

 

 

 

 

 

Trouble

 

 

 

 

 

Engine

-

hard to start

 

 

Cause

 

Remedy

 

 

 

 

-

does not start

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Engine

Fuel at

No fuel at

•

Fuel filter clogged

•

Clean or replace

cranks

 

 

carburettor

 

carburettor

•

Fuel line clogged

•

Clean

 

 

 

 

 

 

 

 

 

•

Carburettor

•

Ask your ECHO dealer

 

 

 

 

Fuel at cylinder

No fuel at

•

Carburettor

•

Ask your ECHO dealer

 

 

 

 

 

 

 

 

cylinder

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Silencer wet with

•

Fuel mixture is too rich

•

Open choke

 

 

 

 

 

 

 

 

fuel

 

 

•

Clean/replace air filter

 

 

 

 

 

 

 

 

 

 

 

•

Adjust carburettor

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

•

Ask your ECHO dealer

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Spark at end of

No spark at end

•

Ignition switch off

•

Turn switch on

 

 

 

 

plug wire

 

of plug wire

•

Electrical problem

•

Ask your ECHO dealer

 

 

 

 

 

 

 

 

 

Spark at plug

No spark at plug

•

Spark gap incorrect

•

Adjust 0.6 to 0.7 mm

 

 

 

 

 

 

 

 

 

•

Covered with carbon

•

Clean or replace

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

•

Fouled with fuel

•

Clean or replace

 

 

 

 

 

 

 

 

 

•

Spark plug defective

•

Replace plug

 

 

 

 

 

 

 

 

 

 

 

 

 

Engine

 

 

 

 

 

•

Internal engine problem

•

Ask your ECHO dealer

does not

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

crank

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Engine

Dies or

 

•

Air filter dirty

•

Clean or replace

runs

accelerates

 

•

Fuel filter dirty

•

Clean or replace

 

 

 

 

poorly

 

•

Fuel vent plugged

•

Clean

 

 

 

 

 

 

 

 

 

•

Spark plug

•

Clean and adjust/replace

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

•

Carburettor

•

Adjust

 

 

 

 

 

 

 

 

 

•

Cooling system plugged

•

Clean

 

 

 

 

 

 

 

 

 

•

Exhaust port/silencer

•

Clean

 

 

 

 

 

 

 

 

 

 

plugged

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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.

SRM-2305

22