Echo SRM-520ES, Operator'S Manual, Page: 27 / 132

25
Maintenance and care
Problem Diagnosis Cause Solution
The engine does
not start 1. There is no fuel in the fuel tank
2. The stop switch is in the Stop position
3. Excess fuel suction
4. Electrical fault
5. Carburettor malfunction or internal stick-
ing
6. Internal engine malfunction
1. Fuel supply
2. Move to the Start po-
sition
3. Start the engine after
servicing
4. Consult your dealer
5. Consult your dealer
6. Consult your dealer
Engine is difficult to
start, fluctuating ro-
tation Fuel is entering the overflow
pipe 1. Fuel degradation
2. Carburettor problem
1. Replace with new fuel
2. Consult your dealer
No fuel is entering the over-
flow pipe 1. Fuel filter is clogged
2. Fuel system is clogged
3. Internal carburettor parts sticking
1. Clean or replace
2. Consult your dealer
3. Consult your dealer
The spark plug is dirty or
damp 1. Fuel degradation
2. Incorrect electrode gap
3. Carbon deposits
4. Electrical fault
1. Replace
2. Replace
3. Replace
4.
Consult your dealer
Engine starts but
no acceleration is
possible 1. Dirty air filter
2. Dirty fuel filter
3. Blocked fuel passage
4. Carburettor
adjustment problem
5. Blocked exhaust vent or silencer vent
1. Clean or replace
2. Clean or replace
3. Consult your dealer
4. Adjust
5. Clean
The engine stops 1. Carburettor adjustment problem
2. Electrical fault
1. Adjust
2.
Consult your dealer
The engine fails to
stop 1. Stop switch malfunction 1. Perform an emergen-
cy stop and consult
your dealer
Cutting attachment
rotates when the
engine is idling 1. Carburettor adjustment problem
2. Damaged clutch spring
1. Adjust
2.
Consult your dealer
Œ
Consult your dealer in the event of a problem that is not covered in the table above, or other such concerns.
Œ
Please contact your dealer in order to dispose of the product or its parts in compliance with national laws.
Manufacturer:
YAMABIKO CORPORATION
7-2 SUEHIROCHO 1-CHOME, OHME, TOKYO 198-8760, JAPAN
Authorized Representative in Europe:
Atlantic Bridge Limited
Atlantic House, PO Box 4800, Earley, Reading RG5 4GB, United Kingdom