Bosch 4412 Operating/Safety Instructions Manual page 29

Crown Molding Laying Flat on Table
— Notes: Position workpiece with its back flat on the
saw table.
— Always place top edge of molding against fence
(Decorative edge is at the bottom of crown mold-
ing.)
— "Spring angle" refers to angle between wall and
crown molding.
— Cutting crown molding flat on the table can be
done either as a chop cut or a slide cut depending
on the width of the workpiece.
1. For 90º corner, set the bevel and miter angles
using Charts below. Tighten the miter lock knob
and the bevel lock lever (Figure 35).
2. Position molding on saw table. Clamp workpiece
in place using the quick clamp.
Use clamping position that does not
WARNING
!
interfere with operation. Before
switching on, lower head assembly to make sure
clamp clears guard and head assembly.
3. Follow procedures for either chop cut or slide cut
(see page 23).
4. Wait until blade comes to a complete stop before
returning head assembly to the raised position
and/or removing workpiece.
NOTE: ALWAYS TAKE A TEST CUT USING
SCRAP TO CONFIRM CORRECT ANGLES.
Miter and Bevel Settings for Standard Crown Molding Cuts
Assumptions: Molding is milled consistently. Corner is exactly 90º.
Molding Spring Angle is 38 degrees
Inside Corner
Left end (A)
Use the left end of the cut
Right end (B)
Use the right end of the cut
Outside Corner
Left end (C)
Use the left end of the cut
Right end (D)
Use the right end of the cut
Saw Operations
(When Crown Molding is Lying Flat on Table)
Miter Bevel
(Table) (Tilt)
Setting Setting
(31.6) Right (33.9) Left
(31.6) Left (33.9) Right
(31.6) Left (33.9) Right
(31.6) Right (33.9) Left
29.
Quick-Action
Clamp
33.9° Bevel
Figure 35. Crown Molding Laying Flat
Molding Spring Angle is 45 degrees
Inside Corner
Left end (A)
Use the left end of the cut
Right end (B)
Use the right end of the cut
Outside Corner
Left end (C)
Use the left end of the cut
Right end (D)
Use the right end of the cut
Crown
Molding
31.6° Miter
Miter Bevel
(Table) (Tilt)
Setting Setting
(35.3) Right (30.0) Left
(35.3) Left (30.0) Right
(35.3) Left (30.0) Right
(35.3) Right (30.0) Left