Filing standard saw chain – Echo 99944200532 User Manual
Page 19
99944200532
MAINTENANCE
X7702092204
19
© 10/2013 ECHO Inc.
2. Remove guide bar cover (D).
3. Gently brush debris from inside guide bar cover and from
around sprocket.
4. Install guide bar cover (D), install and tighten guide bar nuts,
and install guide bar cover screw (B).Tighten both guide bar
nuts with nose held up. Tighten rear nut first.
Filing Standard Saw Chain
Check bar Part Number on your Power Pruner. Chain and guide bar gauge size must be identical. Use
Bar/Chain combinations shown in table above.
Dull or damaged cutters will result in poor cutting performance, increased vibration, and premature saw
chain failure.
Level 2
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.
Power Pruner B&C Combinations
BAR P/N
CHAIN P/N
CHAIN TYPE
LINKS
PITCH
GUAGE
Narrow Kerf
10" narrow bar P/N
10A4CD3739
90PX39CQ 90
39
3/8”
0.043
12" narrow bar P/N
12A4CD3744
90PX44CQ 90
44
3/8”
0.043
Regular
10" regular bar P/N
10A0CD3739
91VXL39CQ 91
39
3/8”
0.050
12" regular bar P/N
12A0CD3744
91VXL44CQ 91
44
3/8”
0.050
B
D
A
C
30
°
1