MAINTENANCE CS-4920
44 X7503352100
© 09/2022 ECHO Incorporated
Maintenance Intervals
Units equipped with a Momentary STOP Switch automatically
return to RUN position. Engine can start unintentionally. Always
remove spark plug lead from spark plug before assembling or
performing maintenance procedures, otherwise serious
personal injury can result.
COMPONENT OR SYSTEM
MAINTENANCE
PROCEDURE
REQUIRED
SKILL
LEVEL
Daily Or Before Use
Air Filter Inspect / Clean * 1
Automatic Oiler Inspect / Adjust 1
Oil Filter Inspect 1
Fuel System Inspect 1
Guide Bar and Sprocket
Nose
Inspect / Clean * 1
Saw Chain
Inspect / Sharpen / Replace /
Tensioning *
2
Sprocket Inspect / Replace * 2
Cooling System Inspect / Clean 2
Recoil Starter Rope Inspect / Clean * 1
Screws / Nuts / Bolts Inspect / Tighten / Replace * 1
Every Refuel
Fuel System Inspect 1
Guide Bar and Sprocket
Nose
Inspect 1
3 Months
Air Filter Replace * 1
Oil Filter Inspect / Replace * 1
Fuel Filter Inspect * 1
Fuel Cap Gasket Inspect * 1
Spark Plug Inspect / Clean / Replace * 1
Muffler Spark Arrester Inspect / Clean / Replace * 2
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