Bosch 3915 User Manual download pdf (Page 27)

BASE MOLDING CUTTING INSTRUCTIONS

SETTINGS Vertical Position Horizontal Position

/ Back of molding is Back of molding is flat

INSTRUCTIONS against the fence on the table

Bevel Angle 0° 45°

Molding position Left Side Right Side Left Side Right Side

Inside Miter Angle Left at 45° Right at 45° 0° 0°

corner of wall

Molding Bottom Bottom Top against Bottom

position against table against table fence against fence

Finished Keep left Keep right Keep left Keep left

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

Molding Bottom Bottom Bottom against Top against

position against table against table fence fence

Finished Keep left Keep right Keep right Keep right

side side of cut side of cut side of cut side of cut

27.

— Crown molding must be cut exactly to fit properly.

— There are two ways to cut crown molding:

flat on table or

angled to table and fence.

— Your miter saw has special miter detents of

31.6° left and right and a bevel detent of 33.9°

for cutting crown molding flat on the table.

— These special detents angles have been

designed into your compound miter saw for the

standard crown molding used in the United

States with the following angles:

52° between the back of the molding and the

top flat surface that fits against the wall.

38° between the back of the molding and the

bottom flat surface that fits against the wall.

NOTE: These detents cannot be used with 45° crown

molding.

— Even though these angles are standards, most

rooms do not have angles of exactly 90°, there-

fore, you will need to fine tune your settings

using the detent override.

— Cutting crown molding flat on the table can be

done either as a chop cut or a slide cut depend-

ing on the width of the workpiece.

Saw Operations

— Base molding can be cut vertical against fence

or flat on the table.

— Follow the table for helpful hints on cutting base

molding.

— Cutting base molding can be done either as a

chop cut or a slide cut depending on the width of

the workpiece.

Cutting Base Molding

Cutting Crown Molding

Left

Right

Left

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Bosch 3915 User Manual Page 27

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