Dewalt DW718 TYPE112" Double Bevel Sliding Compound Miter Saw

INSTRUCTION MANUAL - Page 12

For DW718.

PDF File Manual, 51 pages, Read Online | Download pdf file

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INSIDE CORNER:
Left side
1. Miter left 45 °
2. Save left side of cut
Right side
1. Miter Right 45 °
2. Save right side of cut
OUTSIDE CORNER:
Left side
1. Miter right at 45 °
2. Save left side of cut
Right side
1. Miter left at 45 °
2. Save right side of cut
Material up to 6.5" (159mm) can be cut as described
above.
CUTTING CROWN MOLDING
Your miter saw is better suited to the task of cutting
crown molding than any tool made. In order to fit properly,
crown molding must be compound mitered with extreme
accuracy.
The two flat surfaces on a given piece of crown molding
are at angles that, when added together, equal exactly 90
degrees. Most, but not all, crown molding has a top rear
angle (the section that fits flat against the ceiling) of 52
degrees and a bottom rear angle (the part that fits flat
against the wall) of 38 degrees.
Your miter saw has special pre-set miter latch points at
31.62 degrees left and right for cutting crown molding at the
proper angle and bevel stop pawls at 33.85 ° left and right.
There is also a mark on the Bevel scale at 33.85 degrees.
The chart below gives the proper settings for cutting crown
molding. (The numbers for the miter and bevel
settings are very precise and are not easy to accurately set
on your saw.) Since most rooms do not have angles of pre-
cisely 90 degrees, you will have to fine tune your settings
anyway.
PRETESTING WITH SCRAP MATERIAL
IS EXTREMELY IMPORTANT!
INSTRUCTIONS FOR CUTTING CROWN MOLDING
LAYING FLAT AND USING THE COMPOUND FEATURES
1. Molding laying with broad back surface down flat on
saw table (Figure 17).
2. The settings below are for All Standard (U.S.) crown
molding with 52 ° and 38 ° angles.
BEVEL SETTING
33.85 ° Left
TYPE OF CUT
LEFT SIDE, INSIDE CORNER:
1. Top of molding against fence
2. Miter table set right 31.62 °
3. Save left end of cut
FIG. 17
FENCE
TABLE
\
CROWN MOLDING FLAT ON TABLE
AND AGAINST FENCE
FIG. 18
BOTTOM SIDE
OF MOLDING
DW 7084 CROWN
MOLDING FENCE
TABLE
CROWN MOLDING BETWEEN FENCE AND TABLE
RIGHT SIDE, INSIDE CORNER:
33.85 ° Right 1. Top of molding against fence.
2. Miter table set at left 31.62 °
3. Save right end of cut
LEFT SIDE, OUTSIDE CORNER:
33.85 ° Right 1. Top of molding against fence.
2. Miter table set at left 31.62 °
3. Save left end of cut
RIGHT SIDE, OUTSIDE CORNER:
33.85 ° Left 1. Top of molding against fence
2. Miter table set right 31.62 °
3. Save right end of cut
When setting bevel and miter angles for all compound
miters, remember that:
The angles presented for crown moldings are very
precise and difficult to set exactly. Since they can
easily shift slightly and very few rooms have exact-
ly square corners, all settings should be tested on
scrap molding.
FIG. 19
FENCE
RIGHT
BLADE
FIG. 20
FENCE
PRETESTING WITH SCRAP MATERIAL IS
EXTREMELY IMPORTANT!
ALTERNATIVE METHOD FOR CUTTING
CROWN MOLDING
Place the molding on the table at an angle between the
fence and the saw table, as shown in Figure 18. Use of the
crown molding fence accessory (DW7084) is highly
recommended because of its degree of accuracy and
convenience. The crown molding fence accessory is avail-
able for purchase from your local dealer.
The advantage to cutting crown molding using this method
is that no bevel cut is required. Minute changes in the miter
angle can be made without affecting the bevel angle. This
way, when corners other than 90 degrees are encountered,
the saw can be quickly and easily adjusted for them. Use
the crown molding fence accessory to maintain the angle
at which the molding will be on the wall.
11
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