Echo CS-490 - Air Filter; Check Fuel System; Spark Plug; Fuel Filter

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CS-490
Fuel filter
Fuel tank cap
0.6 to 0.7 mm
Cleaner cover knob
Air filter
Air cleaner cover
AIR FILTER
• Checkbeforeeveryuse.
• Closechoke( ).
• Turncleanercoverknobcounterclockwiseby
hand and remove air cleaner cover and air filter.
• Brushoffdustlightly,orcleanwithcompressed
air, or replace the air filter.
• Reinstallairlterandcover.
CHECK FUEL SYSTEM
• Checkbeforeeveryuse.
• Afterrefueling,makesurefueldoesnotleak
from around fuel pipe, fuel grommet or fuel tank
cap.
• Incaseoffuelleakagethereisadangerofre.
Stop using the machine immediately and request
your dealer to inspect or replace.
SPARK PLUG
• Checkperiodically.
• Thestandardsparkgapis0.6to0.7mm.
• Correctthesparkgapifitiswiderornarrower
than the standard gap.
• Fasteningtorque: 15to17N·m
(150 to 170 kgf·cm).
FUEL FILTER
• Checkperiodically.
• Donotallowdusttoenterfueltank.
• Acloggedlterwillcausedifcultyinstarting
engine or abnormalities in engine performance.
• Pullthefuellteroutthroughfuelinletportwith
a piece of steel wire or the like.
• Whenthelterisdirty,replaceit.
• Whentheinsideofthefueltankisdirty,rinsing
the tank out with gasoline can clean it.
OIL FILTER
• Checkperiodically.
• Donotallowdusttoenterintooiltank.
• Acloggedoillterwillaffectthenormal
lubricating system.
• Washtheoiltankandlterelementwithan
approved solvent.
• If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