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SRM-225
MAINTENANCE
X7702092207
25
© 2/2017 ECHO Inc.
ENGLISH
2.
Remove guide bar cover (C).
3.
Gently brush debris from inside
guide bar cover and from
around sprocket.
4.
Hold the bar nose up. Install
guide bar cover (C). Install the
guide bar nuts (A). Tighten the
rear nut first, then tighten the
front nut. Install and tighten the
guide bar cover screw (B).
Filing Standard Saw Chain
Level 2
Power Pruner Bar and Chain Combinations
BAR P/N
CHAIN P/N
CHAIN
TYPE
LINKS PITCH
GUAGE
Narrow Kerf
254 mm (10 in.)
narrow bar
P/N 10A4CD3739
90PX39CQ
90
39
9.5 mm
(0.375 in.)
0.043
305 mm (12 in.)
narrow bar
P/N 12A4CD3744
90PX44CQ
44
C
A
B
C
C
C
A
B