Stihl MS 390 Instruction Manual page 22

Drive wedges into the felling cut where
necessary to control the fall.
!
Warning!
If the tip of the bar contacts a wedge, it
may cause kickback. Wedges should be
of wood or plastic - never steel, which
can damage the chain.
MS 290, MS 310, MS 390
E
E
E = Hinge
: Helps control the falling tree.
: Do not cut through the hinge – you
could lose control of the direction of
the fall.
English / USA
Felling cut for small diameter trees:
simple fan cut
Engage the bumper spikes of the
chainsaw directly behind the location of
the intended hinge and pivot the saw
around this point only as far as the
hinge. The bumper spike rolls against
the trunk.
21