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Stihl MS170 User Manual

Stihl MS170
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MS 170, MS 170 C, MS 180, MS 180 C
English
20
Felling Instructions
When felling, maintain a distance of at
least 2 1/2 tree lengths from the nearest
person.
When felling in the vicinity of roads,
railways and power lines, etc., take extra
precautions. Inform the police, utility
company or railway authority before
beginning to cut.
WARNING
The noise of your engine may drown any
warning call.
Escape Path
First clear the tree base and work area
from interfering limbs and brush and
clean its lower portion with an ax.
Then, establish two paths of escape (B)
and remove all obstacles. These paths
should be generally opposite to the
planned direction of the fall of the tree
(A) and about at a 45° angle. Place all
tools and equipment a safe distance
away from the tree, but not on the
escape paths.
Buttress Roots
If the tree has large buttress roots, cut
into the largest buttress vertically first
(horizontally next) and remove the
resulting piece.
Gunning Sight
When making the felling notch, use the
gunning sight on the shroud and housing
to check the desired direction of fall:
Position the saw so that the gunning
sight points exactly in the direction you
want the tree to fall.
001BA088 LÄ
2
/
1
2
1 1
/
1
2
B
001BA040 KN
A
45°
45°
B
001BA146 KN
001BA153 KN

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Stihl MS170 Specifications

General IconGeneral
Displacement30.1 cc
Powerhead Weight3.9 kg (8.6 lbs)
Sound Pressure Level100 dB(A)
Engine Power1.7 bhp
Weight8.6 lbs
Fuel Capacity8.5 oz
Chain Oil Capacity145 ml (4.9 fl oz)
Oilomatic Chain Pitch3/8 in
Chain Pitch3/8 in
Guide Bar Length30-35 cm (12-14 in.)

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