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3.
Blade Heels to the Right or Left.
"Heeling"
is a term
used to describe
a condition
where
the saw blade
is not aligned
with
the direction
in which
it is forced
to travel.
This
diagram
shows
the saw blade
"heeling"
to the right.
Results
of "heeling",
even to a
minor
degree,
can be detected
by the tooth
marks
left
on the edge of the saw kerf
(cut
edge)
of the
board.
When
using a hollow
ground
blade,
even a small degree
of "heel"
will
cause
the wood
to smoke
as a result
of
the
frictional
heat
produced.
The
various
effects
of
"heel"
are as follows:
a.
Crosscutting
(1) Heeling
to
the
right
will
tend
to
slide
the
workpiece
toward
the right
along
the rip fence,
as the cut
is being
made,
and make
a square cut
almost
impossible.
(2) Heeling
to the left will tend
to slide the board
to
the left along
the fence.
b.
Miter Cutting
Same
as crosscutting,
except
to a lesser or greater
degree, depending
upon the angle of the cut.
rouo. KERR - --_-_ _......
--_-_
....
_
EDGES
_
DIRECTION
OF
"?"
_
-
"-__
BLADE
TRA.'EL
WIDE
CtJT
'HEELING'
_
_
_z
.
._
t KERF)
TO RIGHT
-_- "
DIRECTIC'r.'
OF
,
-_
__c--
r
ATTEMPTED
c. In-Ripping
(1) Heeling to the right will force the workpiece
against the rip fence.
(2) Heeling to the left will force the workpiece away
from the fence.
d. Out-Ripping
The exact reverse of in-ripping.
e.
Checking the Saw Blade for Heel (Left and Right)
(1) Place a square against the rip fence and the saw
blade. The long leg of the square must be held
firmly
against the rip fence and the short leg
must not touch any "set out" teeth on the saw
blade.
(2) If the square does not touch
the blade at the two
points
shown
by
arrows,
one of two
types
of
heel exists.
The two
types
of heel are illustrated
in views"A"
and "B".
To correct
for either
type
of heel condition,
proceed
as follows-
_EFJCE ._
BLADE
TPA','EL
J
l'_'P
E,L_DE
'_[ELlr_c_'_ll
'IE;'..t,
TC
LEF[
BLADE
TPA.'EL
/FENCE
:_'}
\
T
p
BLADE
mELLIr'JC
_C,
P I ¢_ H _
23
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Troubleshooting
