25 CS-500P
Fuel filter
Fuel tank cap
0.65 mm (0.026 in.)
Cleaner cover knob
Air filter
Air cleaner cover
AIR FILTER
s #HECKBEFOREEVERYUSE
s #LOSECHOKE ).
s 4URNCLEANERCOVERKNOBCOUNTERCLOCKWISEBY
hand and remove air cleaner cover and air filter.
s "RUSHOFFDUSTLIGHTLYORCLEANWITHCOMPRESSED
air, or replace the air filter.
s 2EINSTALLAIRlLTERANDCOVER
CHECK FUEL SYSTEM
s #HECKBEFOREEVERYUSE
s !FTERREFUELINGMAKESUREFUELDOESNOTLEAK
from around fuel pipe, fuel grommet or fuel tank
cap.
s )NCASEOFFUELLEAKAGETHEREISADANGEROFlRE
Stop using the machine immediately and request
your dealer to inspect or replace.
SPARK PLUG
s #HECKPERIODICALLY
s 4HESTANDARDSPARKGAPISMM
(0.026 in.).
s #ORRECTTHESPARKGAPIFITISWIDERORNARROWER
than the standard gap.
s &ASTENINGTORQUE TO.qM
(130 to 145 in. lb.).
FUEL FILTER
s #HECKPERIODICALLY
s $ONOTALLOWDUSTTOENTERFUELTANK
s !CLOGGEDlLTERWILLCAUSEDIFlCULTYINSTARTING
engine or abnormalities in engine performance.
s 0ULLTHEFUELlLTEROUTTHROUGHFUELINLETPORTWITH
a piece of steel wire or the like.
s 7HENTHElLTERISDIRTYREPLACEIT
s 7HENTHEINSIDEOFTHEFUELTANKISDIRTYRINSING
the tank out with gasoline can clean it.
OIL FILTER
s #HECKPERIODICALLY
s $ONOTALLOWDUSTTOENTERINTOOILTANK
s !CLOGGEDOILlLTERWILLAFFECTTHENORMAL
lubricating system.
s 7ASHTHEOILTANKANDlLTERELEMENTWITHAN
approved solvent.
s )FDAMAGEORDETERIORATIONISNOTEDONTHEOIL
suction line, the saw must be removed from
service until it can be inspected by a ECHO-
trained service technician.
Spark plug
Choke control knob