UK - Page 23
BUCKING LOGS UNDER STRESS
Make the first bucking cut one-third of the way through the
log and finish with a two-thirds cut on the opposite side.
As you cut the log, it will tend to bend. The saw can
become pinched or hung in the log if you make the first cut
deeper than one-third of the diameter of the log.
Give special attention to logs under stress to prevent the
bar and chain from pinching.
OVERBUCKING
See Figure 38.
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
See Figure 38.
Begin on the under side 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 firmly
to maintain control.
LOAD
FINISHING CUT
1ST CUT 1/3 DIA
LOG SUPPORTED AT ONE END
LOG SUPPORTED AT BOTH ENDS
FINISHING CUT
1ST CUT 1/3 DIA
LOAD
OVERBUCKING
UNDERBUCKING
Fig. 38
Fig. 37
OPERATION
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