MAINTENANCE
PPT-226LA
42
X7712090701
© 06/21 ECHO Incorporated
Always stop engine and disconnect spark plug wire before
servicing guide bar and saw chain. Always wear gloves when
filing saw chain, otherwise serious personal injury may result.
1.
Use a 4.5 mm round file for a 0.043 in. gauge saw chain. Use a
5/32 in. round file for 5/32 in. gauge saw chain.
2.
Set round file in cutter at 30°
angle. One fifth (1/5) of the file
should be exposed above top
cutter edge.
3.
Keep file horizontal in cutter and
file in one direction.
4.
File until cutter top and side
bevel edges are sharp without
nicks.
5.
Place depth gauge tool 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.
30°
Keep this angle
1/5
90°
Depth gauge tool