Echo CS-620PW - Manual (Page 31)

29 CS-620PW
TROUBLESHOOTING
WARNING
Fuel vapors are extremely flammable and
MAY
Problem
Engine — hard to start Cause Remedy
— does not start
Engine
cranks Fuel at
carburetor No fuel at
carburetor s s
s s
s s
Fuel at
cylinder No fuel at
cylinder s s
Muffler wet with
fuel s s
s
s
s
Spark at end
of plug wire No spark at end
of plug wire s s
s s
Spark at plug No spark at plug s s
(0.024 to 0.028 in.)
s s
s s
s s
Engine
does not
crank s s
Engine
runs Dies or accelerates poorly s s
s s
s s
s s
s s
s s
s
arrestor screen blocked
s