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29.
BASE MOLDING CUTTING INSTRUCTIONS
LOCATION OF Molding in Vertical Position: Molding in Horizontal Position:
MOLDING Back of molding is Back of molding is flat
ON SAW against the fence on the table
Molding Piece Being Cut To left of corner To right of corner To left of corner To right of corner
Inside Miter Angle Left at 45° Right at 45° 0° 0°
corner of wall Bevel Angle 0° 0° 45° left 45° right
Position of Bottom Bottom Top against Top against
molding on Saw against table against table fence fence
Finished Keep left Keep right Keep left Keep right
side side of cut side of cut side of cut side of cut
Outside Miter Angle Right at 45° Left at 45° 0° 0°
corner of wall Bevel Angle 0° 0° 45° right 45° left
Position of Bottom Bottom Top against Top against
molding on Saw against table against table fence fence
Finished Keep left Keep right Keep left Keep right
side side of cut side of cut side of cut side of cut
Left
Right
Left
Right
Cutting Base Molding
• Base molding can be cut vertical against fence or
flat on the table. The maximum size that can be ver-
tical on the fence is 4-1/4", flat on table is 8".
• Follow the table for helpful hints on cutting base
molding for corners that have 90° angles.
Cutting Crown Molding
• Crown molding cuts must be positioned properly to
fit exactly.
• There are two ways to cut crown molding: flat on
table or angled to table and fence.
• Crown molding’s “spring angle” is the angle
between the back of the molding and the bottom flat
surface that fits against the wall.
• This miter saw has special miter detents at
31.6° and bevel detents at 33.9°. These
detents allow you to easily position most crown
moldings flat on the table and make precise cuts
for 90° corners. (These detents are only for use
with crown moldings that have a 38° “spring
angle”.) NOTE: These detents cannot be
used with 45° crown molding.
• See also pages 25 and 26 for miter and bevel angle
charts for cutting crown moldings that have
38° and 45° spring angles (and the material is
laid flat on the miter saw base).
• Even though these angles are standards, most
rooms do not have angles of exactly 90°, therefore,
you will often need to fine tune your settings.
The optional Bosch DWM40L MiterFinder
Digital Anglefinder/Protractor measures spring
angles and corner angles, then automatically deter-
mines the exact miter and bevel settings
necessary to make each crown molding cut fit
perfectly.