Echo CS-500P Chainsaw User Manual


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CS-500P
TROUBLESHOOTING
WARNING
Fuel vapors are extremely flammable and
MAYCAUSElREANDOREXPLOSION.EVERTEST
for ignition spark by grounding spark plug
near cylinder plug hole, otherwise serious
personal injury may result.
Problem
Engine — hard to start Cause Remedy
—
does not start
Engine
cranks
Fuel at
carburetor
No fuel at
carburetor
s&UELlLTERCLOGGED s#LEANORREPLACE
s&UELLINECLOGGED s#LEAN
s#ARBURETOR s!SKYOUR%#(/DEALER
Fuel at
cylinder
No fuel at
cylinder
s#ARBURETOR s!SKYOUR%#(/DEALER
Muffler wet with
fuel
s&UELMIXTUREISTOORICH s/PENCHOKE
s#LEANREPLACEAIRlLTER
s!DJUSTCARBURETOR
s!SKYOUR%#(/DEALER
Spark at end
of plug wire
No spark at end
of plug wire
s)GNITIONSWITCHOFF s4URNSWITCHON
s%LECTRICALPROBLEM s!SKYOUR%#(/DEALER
Spark at plug No spark at plug s3PARKGAPINCORRECT s!DJUSTTOMM
(0.024 to 0.028 in.)
s#OVEREDWITHCARBON s#LEANORREPLACE
s&OULEDWITHFUEL s#LEANORREPLACE
s3PARKPLUGDEFECTIVE s2EPLACEPLUG
Engine
does not
crank
s)NTERNALENGINEPROBLEM s!SKYOUR%#(/DEALER
Engine
runs
Dies or accelerates poorly s!IRlLTERDIRTY s#LEANORREPLACE
s&UELlLTERDIRTY s#LEANORREPLACE
s&UELVENTBLOCKED s#LEAN
s3PARKPLUG s#LEANANDADJUSTREPLACE
s#ARBURETOR s!DJUST
s#OOLINGSYSTEMBLOCKED s#LEAN
s%XHAUSTPORTSPARK
arrestor screen blocked
s#LEAN
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