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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 firmly to maintain control.
◾
When the log is supported along its
entire length, it should be cut from
the top (overbucking) (Fig. 21).
◾
When the log is supported on only
one end, cut 1/3 the diameter from
the underside (underbucking).
Then make the finishing cut by
overbucking to meet the first cut
(Fig. 22).
◾
When the log is supported on both
ends, cut 1/3 of that diameter from
the top overbuck. Then make the
finished cut by underbucking the
lower 2/3 to meet the first cut
(Fig. 23).
34
56V LITHIUM-ION CORDLESS CHAIN SAW — CS1800/CS1800-FC
21
Log Supported Along the Entire Length
22
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
23
Log Supported Both Ends
1st Cut Overbuck (1/3 Diameter) to Avoid
Splintering
2nd Cut Underbuck (2/3 Diameter) to Meet 1st Cut
(To Avoid Pinching)
Cut From Top (Overbuck)
Avoid Cutting Earth
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