SRM-225
MAINTENANCE
X7702092207
27
© 2/2017 ECHO Inc.
ENGLISH
2.
Keep file horizontal in cutter
and file in one direction.
3.
File until cutter top and side
bevel edges are sharp without
nicks.
4.
Place depth gauge tool (B)
firmly on top of cutter with
0.635 mm (0.025 in.) slot and
end against front cutter raker.
File cutter raker with flat file
until flush with top of depth
gauge.
5.
Finish cutter sharpening by
rounding front raker edge (C)
with flat file.
6.
Properly filed cutter is as
shown.
7.
Apply clean oil and rotate saw
chain slowly to wash away fil-
ings.
8.
If saw chain is coated or
clogged with resin, clean in ker-
osene, then soak in oil.
2
90
°
3
°
4
5
6
55
Top Plate Angle
Top Plate Cutting Angle
Depth Gauge
