CS-400
MAINTENANCE
X7503256004
43
© 08/2020 ECHO Incorporated
For information about maintenance kits.
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 / SYSTEM
MAINTENANCE PROCEDURE
REQ’D
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 & Sprocket Nose Inspect / Clean *
1
Saw Chain
Inspect / Sharpen / Replace / Ten-
sioning *
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 & 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 Arrestor
Inspect/Clean/Replace *
2