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1. Dadoing is cutting a rabbet or wide groove into the
work. Most dado head sets are made up of two
outside saws and four or five inside cutters, (Fig.
48A). Various combinations of saws and cutters are
used to cut grooves from 1/8" to 13/16" for use in
shelving, making joints, tenoning, grooving, etc. The
cutters are heavily swaged and must be arranged
so that this heavy portion falls in the gullets of the
outside saws, as shown in Fig. 49. The saw and
cutter overlap is shown in Fig. 50, (A) being the
outside saw, (B) an inside cutter, and (C) a paper
washer or washers, used as needed to control the
exact width of groove. A 1/4" groove is cut by using
the two outside saws. The teeth of the saws should
be positioned so that the raker on one saw is beside
the cutting teeth on the other saw.
2. Attach the dado head set (D) Fig. 51, to the saw
arbor.
NOTE: THE OUTSIDE ARBOR FLANGE CAN NOT BE
USED WITH THE DADO HEAD SET, TIGHTEN THE
ARBOR NUT AGAINST THE DADO HEAD SET BODY.
DO NOT LOSE THE OUTSIDE ARBOR FLANGE. IT
WILL BE NEEDED WHEN REATTACHING A BLADE TO
THE ARBOR.
THE ACCESSORY DADO HEAD SET
TABLE INSERT (E) FIG. 51, MUST BE
USED IN PLACE OF THE STANDARD
TABLE INSERT.
THE BLADE GUARD AND SPLITTER
ASSEMBLY CANNOT BE USED WHEN
DADOING AND MUST BE REMOVED
OR SWUNG TO THE REAR OF THE
SAW. AUXILIARY JIGS, FIXTURES,
PUSH STICKS AND FEATHER BOARDS
SHOULD ALSO BE USED.
3. Fig. 52, shows a typical dado operation using the
miter gage as a guide.
NEVER USE THE DADO HEAD IN A
BEVEL POSITION.
ALWAYS INSTALL BLADE GUARD
AFTER OPERATION IS COMPLETED.
Fig. 49
D
22
Fig. 48A
A
Fig. 50
Fig. 51
Fig. 52
B
C
E
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