-15-
Model D4902 (For Machines Mfd. Since 11/18)
SETUP
In this procedure you will adjust the back support
perpendicular to the saw table, then set the 90°
positive stop so the back support can be returned to the
perpendicular position after an angle cut.
To adjust back support, do these steps:
1. DISCONNECT TABLE SAW FROM POWER!
2. Completely lower saw blade so that it will not
interfere with measurements.
3. Clean away any debris from table or tenoning jig
that could affect measurements, then insert jig all
the way into miter slot.
4. Loosen jam nut on positive stop set screw, then back
off set screw to allow adjustment of back support
(see Figure 13).
5. Position machinist's square flat on table and up
against back support, as shown in Figure 13.
6. Loosen back support lock lever (see Figure 13),
position back support flat against machinist's square,
then, without moving back support, re-tighten lock
lever.
7. Remove square and re-tighten positive stop set
screw until it just meets resistance, then re-tighten
jam nut to secure setting. The 90° positive stop is
now set for quick perpendicular positioning of back
support.
Adjusting Back Support
Figure 13. Adjusting back support
perpendicular to saw table.
Machinist's
Square
Back
Support
Back
Support
Lock
Lever
Positive Stop
Set Screw
& Jam Nut
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