Stihl MS 170 User Manual

29MS 170, MS 180, MS 180 C
English / USA
: Unscrew the nuts and take off the
chain sprocket cover.
: Turn screw (4) counterclockwise
until the tensioner nut (5) butts
against left end of housing slot.
: Disengage the chain brake: Pull
hand guard (6) toward front handle.
Wear work gloves to protect your
hands from the sharp cutters.
: Fit the chain – start at the bar nose.
: Fit the guide bar over the studs (7) –
cutting edges on top of bar must
point to right – and engage the
peg of the tensioner slide in locating
hole (8) –- place the chain over
sprocket (9) at the same time.
: Now turn tensioning screw (10)
clockwise until there is very little
chain sag on the underside of the
bar –- and the drive link tangs are
located in the bar groove.
: Refit the sprocket cover –
and screw on the nuts only finger-
tight.
: Go to “Tensioning the Saw Chain”.
143BA034 KN
4
5
001BA0110 KN
001BA108 KN
6
143BA003 KN
10
7
7
8
9
001BA111 KN

Stihl MS 170 Specifications

General

Idle speed	- RPM
Chain pitch	3/8 \
Blade length	350 mm
Product color	Black, Orange, White
Automatic oiling	Yes
Oil tank capacity	0.145 L
Fuel tank capacity	0.25 L
Engine displacement	30.1 cm³
Engine power	1.7 hp
Power source	Gasoline

Weight and Dimensions

Weight	3900 g