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Alignment
of the Blade
The blade
of your radial arm saw must be
aligned
properly
for two reasons:
to make
cuts accurate,
and to prevent
binding
of the
blade and workpiece
which can cause jams or
thrown workpieces.
These
adjustments
must be done in order,
before
using your saw for the first time.
If
they are not done in order
the saw will not
cut accurately.
If you miss an adjustment,
you
must go back to the adjustment
you missed
and repeat
all steps from that point on.
These adjustments
are like fine tuning a
piece of equipment.
Often a series of steps
must be repeated
more than once in order to
get the adjustment
just right.
41&WARNING:
Plugging
the saw in
during alignment
can result in electrical
shock or your fingers,
hand, or arm
being cut off from blade contact.
Do not
plug in the saw at any time during align-
ment. The saw should
only be plugged
in when it is to be used.
Make sure that the blade and blade guard are
removed
from the arbor shaft before
begin°
ning to align your saw. Do not install
the
blade or blade guard until you are instructed
to do so.
Adjusting
Elevation
The goal of this adjustment
is to make up-
ward and downward
movement
of the radial
arm smooth
and firm. If the column
that sup-
ports the arm is too tight it will be difficult
to
move the arm up and down and to get ac-
curate
depth
of cut. If the column
is loose the
blade may "walk" on the workpiece
and stall
the motor,
or cause a heel in bevel and com-
pound
cuts.
1. Loosen
the four screws
in the front of the
column
support.
(Figure
96)
Four Socket
Head Screws
Fig. 96
2. Raise and lower the radial arm by turning
the handwheeI
a few turns in each direction.
It should take about
the same amount
of ef-
fort to lower the arm as to raise it.
3. If movement
seems smooth
and the
column
does not rock back and forth, go to
the next section,
or
If movement
seems
difficult,
loosen
the four
bolts in the back of the column
slightly
(Figure
97) and go back to step 2, or
If column rocks back and forth, tighten the
four bolts in the back of the column slightly
(Figure 97) and go back to step 2.
35
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