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MAINTENANCE
Important points for proper maintenance of saw chain:
• Keep the cutters sharp at all times.
• Keep the left and the right cutters properly aligned.
• Note that blunt or irregular cutters will result in poor cutting
performance, increased vibration of chains and premature
breakage of the saw chain.
• 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.
34
For more information
scan this QR code.
Sharpen lower edge
Keep this angle
90°
1/5
Depth gauge tool
402S
30°
X7503255001
©8/2015 ECHO Inc.
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