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18 WWW.SENIXTOOLS.COM
A
B
C
D
Cutter
Length
Depth Gauge
Setting 0.025 in.
A - Top Plate
B - Cutting Tip
C - File Position
D - Ridge
Fig. 16
Fig. 17
Fig. 18
Fig. 19
To sharpen the chain:
1. Using protective gloves, ensure the chain is
correctly tensioned on the guide bar.
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the cutting tooth depth. Make sure 20% of
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plate (Fig. 17).
3. File at an angle perpendicular to the bar,
and at an angle of 25° to the direction of
travel (Fig. 18).
4. File each tooth from the inside towards
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then turn the saw around and repeat the
process.
• Sharpen each tooth equally by using the
same number of strokes.
• Keep all cutter lengths equal (Fig. 19).
Each time the cutting tip is sharpened the
cutting length is reduced. When the cutter
length is reduced to 0.16 inch (4 mm), the
chain is worn out and should be replaced.
• The depth gauge setting is also reduced
with each sharpening. Every 5 sharpenings
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chainsaw retailers and is the easiest way to
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B
A
A - Top Plate
B - Side Plate
use a depth gauge measuring tool to check
the height between the cutting tip and the
ridge (Fig. 16). When necessary, use a
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the .025 inch depth gauge setting. Depth
gauge measuring tools are available from
most chainsaws retailers.
• If the saw is not functioning properly, take
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have the saw inspected. Use only identical
parts as listed in this manual.
25°
A
SAW CHAIN DIRECTION
Sharpening Angle
FILE
DIRECTION
Outside
Inside
A - Left-hand Cutter
A
B
C
D
A - Right-hand Cutter
B - Left-hand Cutter
C - Bumper Drive Link
D - Tie Strap
SAW CHAIN DIRECTION
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