Stihl 090 User Manual

16
24
A'iways keep to the side of the f8Jling tree. When the tree
starts to fall, shut off the engine. WIthdraw the bar and walk
away on the pre-planned escape path. Watch out for failing
limbs.
Warning! :
Be extremely careful with partially fallen trees which are
poorly supported.
When the tree h~;or 19r ~ other reason does not
fall' completelY, set"the saw asfde'and pull the tree down
with a cabIe·wlnch,btockand tackle or tJactor.lf you try
to cut it down with your saw, you may be injured.
Sectioning Method
warning!
.
Felling a tree that has a diameter greater than the length
of the guide bar requl~ use of either the sectioning or
plunge-cut
method. These methods' are extremely
dangerous because they InvolVe the use of the nose of
the guide bar and can result In kickback. Only property
trained professionals should attempt· these techniqueS.
25
Forthe tteeHOriing methOd (HI. 24) make the first cut with the
guide bar fanning tn toWard the· hinge. Then,usmgthe
bumper spike
as a pivot, reposition the saw for the next cut.
Avoid reposftioning the saw more than necessary. When
r8poSltiori!rig fci the 11Et~ ~ ic8ep 'the guide ~r .i¥!Iy
engaged in the kerr to keep the fettlng cut strafght If the
saW begins to pinCh. inSert a w8dge to open the cut. On the
~ cut. dO not cut the hinge.'
Plunge-Cut ~
Tmber haVIng a diameter more than tWice the !ength Of
the gUKJe bar reqUires the use of the plunge-(x.it method
before making th.e f8lHngcUt . .
First. cUt a large. wide nOtch. Make a plunge- cut In the
center of the notCh. . . .
The- plunge cut is made with the guide' ~ nose. BegIn
the plunge. cUt by 'applylitg the lower portiOn of the guide
bei nose to the tree at an angle (ill. 25)~ Cut until the dePth
of the kerf Is about the same as the width of the guide bar

Stihl 090 Specifications

General

Brand	Stihl
Model	090
Category	Chainsaw
Language	English