Sapwood Cuts - Stihl MS 211 C Safety Manual

Sapwood cuts

Sapwood cuts in long-fibered softwood
help prevent sapwood splintering when
the tree falls. Make cuts at both sides of
the trunk at same height as bottom of
felling notch to a depth of about 1/10 of
trunk diameter. On large diameter trees,
cut to no more than width of guide bar.
Do not make sapwood cuts if wood is
diseased.
Chain Saw Safety Manual
Felling
D
Shout a warning before starting the
felling cut.
Make the felling cut (D) slightly
N
higher than bottom of the felling
notch.
Cut horizontally.
–
Leave approx. 1/10 of the tree
–
diameter uncut between the felling
cut and the felling notch. This is the
hinge.
Drive wedges into the felling cut in good
time. Use only wooden, aluminum or
plastic wedges. Never steel, which can
damage the chain and cause kickback.
D
The hinge (E) helps control the falling
tree.
Do not cut through the hinge – you
–
could lose control of the direction of
fall – this could result in an accident.
Leave a broader hinge on rotten
–
trees.
Shout a second warning immediately
before the tree falls.
English
E
E
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