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13 Operating the Saw
WARNING
■ The risk of kickback is increased if you use the
chainsaw with one hand. If kickback occurs,
the saw may be thrown up in the direction of
the operator. The operator can lose control of
the chainsaw and be seriously or fatally
injured.
► Do not cut with the upper quadrant of the
bar nose.
► Never support yourself on the limb being
cut.
► Never attempt to hold falling limbs.
13.3
Sawing
WARNING
■ If kickback occurs, the chainsaw can be
thrown up in the direction of the operator. This
may result in serious or fatal injury to the user.
► Always cut with the chain running at full
speed.
► Do not cut with the upper quadrant of the
guide bar nose.
► Begin the cut with the chain running at full
speed and keep the guide bar vertical.
► Engage the spiked bumper and use it as a ful‐
crum.
► Guide the full width of the guide bar into the
wood and reposition the spiked bumper as
required.
► Pick up the weight of the chainsaw at the end
of the cut.
For optimum performance, observe the recom‐
mended temperature ranges,
13.4
Limbing
► With the chain running a full speed, pivot the
guide bar downward against the limb.
0458-007-9602-A
► Make a relieving cut (1) in the compression
► Make the last cut (3) close to the trunk without
13.5
13.5.1
A Felling notch
B Hinge
C Felling cut
13.5.2
The felling notch determines the direction that
the part of the tree being removed will fall. Coun‐
try-specific standards for making the felling notch
must be observed.
21.6.
2
1
3
side (A) first, then perform a bucking (2) cut at
the tension side (B) from above, directly above
the first cut.
damaging the bark.
Felling
Basic information on felling cut
B
C
A
The felling notch determines the direction of
fall.
The hinge controls the part of the tree being
removed as it drops to the ground. The width
of the hinge is 1/10 of the trunk diameter.
The tree is felled with the felling cut.
Cutting a felling notch
1
English
B
A
A
B
C
90°
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