Stihl MSA 200 C-BQ Instruction Manual - Page 44

BA025 KN

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001BA203 KN English a 689BA027 KN The chain pitch marking (a) is embossed in the area of the depth gauge of each cutter. Marking (a) 7 Chain pitch Inches mm 1/4 P 6.35 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 689BA021 KN B A Sharpening angle B Side plate angle Chain type Picco Micro (PM) Angle (°) AB 30 75 Tooth shapes Micro = semi-chisel tooth 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. 689BA025 KN 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 42 MSA 160 C, MSA 200 C

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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 (°)
A
B
Picco Micro (PM)
30
75
689BA027 KN
a
A
B
689BA021 KN
Tooth shapes
Micro = semi-chisel tooth
689BA025 KN
001BA203 KN