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MAINTENANCE
CS-400
52
X7503256004
© 08/2020 ECHO Incorporated
• To keep correct position and
correct angle, use a file holder.
• Hold the file horizontally.
• Place the depth gauge tool firmly
on guide bar so that depth gauge
protrudes. Then file top of depth
gauge with the flat file until flat with
top of the depth gauge tool.
• One fifth of the file diameter
remains above cutter edge.
• Be sure to round off the front edge
of the depth gauge.
• 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.
90°
1/5
Depth gauge tool
55°
Side plate angle
30°
Top plate
filing angle