MSA 160 C, MSA 200 C
English
42
The chain pitch marking (a) is embossed
in the area of the depth gauge of each
cutter.
Use only special saw chain files! Other
files are unsuitable in terms of shape
and type of cutting.
The diameter of file to be used depends
on the chain pitch – see table
"Sharpening tools".
The angles of the cutter must be
maintained during resharpening.
A Sharpening angle
B Side plate angle
When the specified files and/or
sharpening tools and the proper setting
are used, the specified values for angles
A and B will be attained automatically.
The angles must be identical for all
cutters in the saw chain. Varying angles:
Rough, uneven running of the saw
chain, increased wear – even to the
point of saw chain breakage.
Because these requirements can be met
only after sufficient, constant practice:
N Use a file holder
Always use a file holder (special
accessory, see table "Sharpening tools")
when sharpening saw chains by hand.
File holders have markings for the
sharpening angle.
To check the angles
STIHL filing gauge (special accessory,
see table "Sharpening tools") – a
universal tool for checking sharpening
and side plate angles, depth gauge
setting, and tooth length, as well as
cleaning grooves and oil inlet holes.
Proper sharpening
N Remove the battery from the
machine
N Select sharpening tools in
accordance with chain pitch
N Clamp guide bar if necessary
N To advance the saw chain, set the
chain saw hand guard to ‚ – chain
brake is released
N Sharpen frequently, removing little
material – two or three strokes of the
file are usually sufficient for simple
resharpening
Marking (a) Chain pitch
Inches mm
7 1/4 P 6.35
Chain type Angle (°)
AB
Picco Micro (PM) 30 75
Tooth shapes
Micro = semi-chisel tooth
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