Troubleshooting - Echo CS-3700ES Bedienungsanleitung

GB
Engine - hard to start
- does not start
Engine Fuel at carburettor
cranks
E
N
G
Fuel at cylinder
L
I
S
H
Spark at end of
plug wire
Spark at plug
Engine
does not
crank
Engine Dies or accelerates
runs poorly
D
E
U
T
S
C
H
NOTE
"ES" START
When starter grip cannot be pulled lightly, the trouble
is diagnosed as failure of engine inside. Please
consult your dealer.
If disassembled inadvertently, it can cause injury.
I
T
A
L
I
A
N
O
CS-3700ES/CS-4200ES

TROUBLESHOOTING

Trouble
No fuel at
carburettor
No fuel at
cylinder
Silencer wet with
fuel
No spark at end
of plug wire
No spark at plug
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
WARNING
• ALL CHAIN SAW 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.
48
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
DANGER