18
OPERATING INSTRUCTIONS
10. Bucking A Log
Bucking is cutting a log into lengths. It is important
to make sure your footing is rm and your weight is
evenly distributed on both feet. When possible, the
log should be raised and supported by the use of
limbs, logs or chocks. Follow the simple directions
for easy cutting.
WARNING
• Keep a clear-cutting area. Make sure that no
objects can contact the guide bar nose and chain
during cutting; this can cause kickback.
Overbucking
Begin on the top side of the log with the bottom
of the saw against the log; exert light pressure
downward. Note that the saw will tend to pull away
from you.
Underbucking
Begin on the underside of the log with the top of the
saw against the log; exert light pressure upward.
During underbucking, the saw will tend to push
back at you. Be prepared for this reaction and hold
the saw rmly to maintain control.
• When the log is supported along its entire length,
it should be cut from the top (overbucking) (Fig.
10c).
• When the log is supported on only one end,
cut 1/3 the diameter from the underside
(underbucking). Then make the nishing cut by
overbucking to meet the rst cut (Fig. 10d).
10a
Overbucking
10b
Underbucking
10c
Log supported along the entire length
Cut from top (overbuck)
avoid cutting earth
10d
Log supported one end
2nd cut overbuck (2/3 diameter)
to meet 1st cut (to avoid
pinching)
1st cut underbuck (1/3 diameter) to
avoid splintering
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