
402S
MAINTENANCE
X7503256304
53
© 11/23 ECHO Incorporated
• Hold the file horizontally.
• Place 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.
• Be sure 1/5th of the file diameter
remains above cutter edge.
• Be sure to round off the front edge
of the depth gauge.
90°
Depth Gauge Tool
1/5th