Boring With The Nose; Avoiding Kick-Back; Stressed Log And Limb Situations - Homelite 150 Owner's Manual

BOR,NG WTTH TI]E 'I'OSE
Do not att'empt to bore with the nose of the bar until you
have become prolicient in operating the saw and are
sure of your own capabilities as well as those of the saw.
Boring is something resorted to only when there is no
better way to make a cut. lt may be necessary to bore
when some obstruction -
another tree or log, a rock or
the ground -
prevents you from placing the long edge
of the bar against the wood. Boring is also employed to
cut "blind holes" such as holes in fenceposts or cut-outs
for log-cabin windows. One way to minimize the danger
of the saw kicking back, is to begin with an angular cut,
making contact with the wood as far back from the bar
nose as possible; when lhis cut is deep enough to be-
come a guide, exert downward pressure lo bring lhe bar
gradually into the line for boring. Then bore into the
wood.
ANGLE THE BAR AND CUT
INTO THE LOG AS IN #2
SITUATIONS CAUSING SAW BLADE TO KICK
BACK TOWARD THE OPERATOR
BORE STRAIGHT INTO LOG THEN
CUT UP OR DOWN AS REOUIRED
D U R I N G R E I N S E R T I O N I N T O A P R E V I O U S L Y
BEGUN CUT, WHEN TOP OR NOSE OF BLADE
HITS BOTTOM OR SIDE OF THE KERF (the cut)
AVOIDING KICK.BACK
lf you are cutting wilh the nose of the bar, you must be
extra careful to protect against the possibility that saw
may kick back. The saw will kick back any time the top
section or upper nose section of the rotating chain hits
any solid object such as the bottom of an incompleted
previous cut, the side of the saw kerf as blade is being
withdrawn, or wood when you are trying to start a boring
cut, or other material next to lhe log you are cutting.
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WHEN INCORRECTLY STARTING TO BORE
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Remember wood is heavy and that it bends or flexes. As
in such a way that the cut will open instead ol closing
you cut through a log, you weaken it at the cut and it will
on the bar. In addilion, you may wish to avoid splitting
bend there unless it is lying flat on the ground and under the wood or stripping off the bark. This can all be done
no stress. To avoid closingof the cut and pinching ol the as shown below. NOTE: Wilh large logs, insert a wedge
saw blade, therefore, you must cut a stressed log or limb into the cut to hold it open.
STRESSED LOG AND LIMB SITUAT'O'i'S
STRESSED LOG AND LIMB SITUATIONS REOUIRING
TWO CUTS TO AVOID SPLITTING WOOD. STRIPPING
BARK, OR PINCHING SAW BLADE.
STRESS DIRECTION
+
/3'
1sl CUT )t, dia'
LIMBS AND LOGS SUSPENDED
WITH END IN THE AIR
F I N I S H I N G C U T : U N D E R B U C K
STAND ON UPHILL SIDE WHEN CUTTING
BECAUSE LOG MAY ROLL.
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