CS-4920 MAINTENANCE
X7503352100 55
© 09/2022 ECHO Incorporated
• Properly filed cutters are shown in
illustration.
• When setting of the chain is
finished, soak it in oil and
wash away filings completely
before using.
• When chain has been filed on the
bar, supply sufficient oil to it, move
the chain slowly to wash away the
filings before using again.
• If the chainsaw is operated with
filings clogged in the groove, the
saw chain and the guide bar will be
damaged prematurely.
• If the saw chain becomes soiled
with resin, for instance, clean it with
kerosene and soak in it oil.
To sharpen other chains, follow chain manufacturer’s instructions.
70°
Side plate filing
angle
30°
Top plate filing
angle
0.65 mm (0.025 in.)
Parallel
Depth gauge
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