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