Homelite UT10510A Operator's Manual page 20

OPERATION
BUCKING LOGS UNDER STRESS
LOG SUPPORTED AT ONE END
Make the first bucking cut 1/3 of the way through the log
and finish with a 2/3 cut on the opposite side. As you cut
the log, it will tend to bend. The saw can become pinched
LOAD
FINISHING CUT
or hung in the log if you make the first cut deeper than 1/3
of the diameter of the log.
Give special attention to logs under stress to prevent the
bar and chain from pinching.
OVERBUCKING
See Figure 31.
Begin on the top side of the log with the bottom of the saw
1ST CUT 1/3 DIA
against the log; exert light pressure downward. Note that
the saw will tend to pull away from you.
UNDERBUCKING
LOG SUPPORTED AT BOTH ENDS
See Figure 32.
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
1ST CUT 1/3 DIA
prepared for this reaction and hold the saw firmly to
maintain control.
LOAD
FINISHING CUT
Fig. 31
OVERBUCKING
UNDERBUCKING
Fig. 32
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