Compound Cutting - Makita LS1221 Manuel D'instruction

Loosen the lever and tilt the saw blade to set the bevel
angle (Refer to the previously covered "Adjusting the
bevel angle"). Be sure to retighten the lever firmly to
secure the selected bevel angle safely. Secure the work-
piece with a vise. Switch on the tool without the blade
making any contact and wait until the blade attains full
speed. Then gently lower the handle to the fully lowered
position while applying pressure in parallel with the blade.
When the cut is completed, switch off the tool and WAIT
UNTIL THE BLADE HAS COME TO A COMPLETE STOP
before returning the blade to its fully elevated position.
CAUTION:
• Always be sure that the blade will move down to
bevel direction during a bevel cut. Keep hands
out of path of saw blade.
• During a bevel cut, it may create a condition
whereby the piece cut off will come to rest against
the side of the blade. If the blade is raised while
the blade is still rotating, this piece may be caught
by the blade, causing fragments to be scattered
which is dangerous. The blade should be raised
ONLY after the blade has come to a complete stop.
• When pressing the handle down, apply pressure
parallel to the blade. If the pressure is not parallel to
the blade during a cut, the angle of the blade might be
shifted and the precision of the cut will be impaired.
• Always set the sub-fence to the left position
when performing left bevel cuts.

Compound cutting

Compound cutting is the process in which a bevel
angle is made at the same time in which a miter
angle is being cut on a workpiece. Compound cut-
ting can be performed at angle shown in the table.
Bevel angle
45
When performing compound cutting, refer to "Press
cutting", "Miter cutting" and "Bevel cut" explanations.
Cutting crown and cove moldings
Crown and cove moldings can be cut on a compound
miter saw with the moldings laid flat on the turn base.
There are two common types of crown moldings
and one type of cove moldings; 52/38° wall angle
crown molding, 45° wall angle crown molding and
45° wall angle cove molding. See illustrations.
1
► 1. 52/38° type crown molding 2. 45° type crown
molding 3. 45° type cove molding
Miter angle
Left and Right 0 - 45
2 3
There are crown and cove molding joints which
are made to fit "Inside" 90° corners ((1) and (2) in
Fig. A) and "Outside" 90° corners ((3) and (4) in
Fig. A).
(1) (2) (3) (4)
Fig.A
1. Inside corner 2. Outside corner
1
(2)
(1)
(2)
(1)
► 1. Inside corner 2. Outside corner
Measuring
Measure the wall length and adjust workpiece on
table to cut wall contact edge to desired length.
Always make sure that cut workpiece length at the
back of the workpiece is the same as wall length.
Adjust cut length for angle of cut. Always use sev-
eral pieces for test cuts to check the saw angles.
When cutting crown and cove moldings, set the
bevel angle and miter angle as indicated in the
table (A) and position the moldings on the top sur-
face of the saw base as indicated in the table (B).
Molding
position in
Fig. A
(1)
For inside
corner
(2)
(3)
For outside
corner
(4)
13 ENGLISH
1 2
(2)
(1)
(4)
(3)
Table (A)
Bevel angle Miter angle
52/38° type 45° type 52/38° type
Right 31.6°
Left 33.9° Left 30° Left 31.6°
Right 31.6°
(1)
(2)
2
(1)
(2)
45° type
Right 35.3°
Left 35.3°
Right 35.3°