Mounting The Bar And Chain - Stihl MS 381 Instruction Manual

Mounting the Bar and Chain

1
a
t = a : 2
You can run chains of different pitches
on this chainsaw – depending on the
chain sprocket (see "Specifications"):
The chain pitch (1) must match the pitch
of the sprocket and the guide bar (for
Rollomatic). The drive link gauge (2)
must match the bar groove width (3).
The pitch is marked on the chain
sprocket and guide bar in inches
(e.g. 3/8 or .325). The groove width
is marked on the guide bar in
millimeters (e.g. 1.6).
If non-matching components of the
wrong pitch or drive link gauge are
run together on the same machine
they may be damaged beyond
repair after a short period of
operation.
MS 381
2
3
: Unscrew the nuts and take off the
chain sprocket cover.
: Turn screw (4) counterclockwise
until the tensioner slide (5) butts
against left end of housing slot.
4
5
: 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.
English
6
17