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MAINTENANCE
CS-310
50
X7503275401
© 02/2019 ECHO Inc.
• Drive link serves to remove
sawdust from the groove of the
guide bar. Keep the lower edge of
the drive link sharp where
indicated.
Setting Saw Chain
• For setting saw chain, round file
(4.0 mm [5/32 in.] diam.) and flat
file are used.
• Push file as shown.
• 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.
Sharpen lower edge
30°
Keep this angle
90°
1/5
Depth gauge tool