Echo shindaiwa 491s Operator's Manual page 39

491 OPERATION
To fell big trees with a diameter
3
exceeding twice the bar length, start
the notching cuts from one side and
draw the saw through to the other
1
side of the notch. Start the back cut
on one side of the tree, pivoting the
saw through to form the desired
2
hinge on that side. Then remove the
saw for the second cut. Insert the
saw in the first cut, very carefully so
as not to cause kickback. The final
cut is made by drawing the saw forward in the cut to reach the hinge.
Limbing
Limbing a fallen tree is much the
same as bucking. Never stand on
the tree that you are limbing. When
limbing, caution is the word. Be
careful of the tip touching other
limbs. Always use both hands.
Don't cut with the saw overhead or
aligned vertically with your body. If
the saw should kick back, you may
not have enough control to prevent
possible injury.
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