DeWalt DWE7480 Saw User Manual


 
11
English
FIG. 30
RIVING KNIFE
THICKNESS
KERF WIDTH
(WIDTH OF CUT
MADE BY THE
BLADE)
BODY (OR PLATE)
THICKNESS OF THE
BLADE
FIG. 29
All DEWALT blade body thickness and kerf widths are provided at www.DEWALT.com.
If a different blade is used and the body thickness and kerf width dimensions are not provided,
use the following procedure to determine the correct riving knife thickness:
1. Measure the body thickness of the blade.
FIG. 31
2. Make a shallow cut in scrap material and
measure the kerf width.
3. Select the riving knife as shown in Figure 29.
4. Slide the riving knife through the shallow cut
made in step 2 to confirm the correct riving
knife has been selected. The riving knife should
not bind or drag through the cut.
IMPORTANT: If any dragging or binding of the
material is encountered as it reaches the riving knife,
turn unit off and disconnect machine from power
source. Repeat steps 1–4 to make the proper riving
knife selection before attempting another cut.
Kickback
Kickback is a dangerous condition! It is caused by
the workpiece binding against the blade. The result is that the workpiece can move rapidly in a
direction opposite to the feed direction. During kickback, the workpiece could be thrown back
at the operator. It can also drag the operator’s hand back into the blade if the operator’s hand is
at the rear of the blade. If kickback occurs, turn the saw OFF and verify the proper functioning
of the riving knife, anti-kickback assembly and blade guard assembly before resuming work.
WARNING: Refer to Additional Safety Rules for Table Saws and follow all warnings
provided regarding KICKBACK.
OPERATION
WARNING: Before using the saw, verify the following each and every time:
1. ALWAYS wear proper eye, hearing and respiratory equipment.
2. Blade is tight.
3. Bevel angle and height lock knobs are tight.
4. If ripping, ensure fence lock lever is tight and fence is parallel to the blade.
5. If crosscutting, miter gauge knob is tight.
6. The blade guard assembly is properly attached and the anti-kickback assembly is
functioning.
7. ALWAYS inspect the blade guard assembly and riving knife for proper alignment, operation
and clearance with saw blade.
8. ALWAYS make sure both guards are in the down position in contact with the table before
operating.
Failure to adhere to these common safety rules can greatly increase the likelihood of injury.
WARNING: To reduce the risk of injury, turn unit off and disconnect machine from
power source before installing and removing accessories, before adjusting or changing set-
ups or when making repairs. An accidental start-up can cause injury.
WARNING: Before connecting the table saw to the power source or operating the saw,
always inspect the blade guard assembly and riving knife for proper operation alignment and
clearance with saw blade. Personal injury may result.
WARNING: Ripping or crosscutting may cause saw to tip over while operating. Make sure
saw is securely mounted to a stable surface.
WARNING: Never use the fence and miter gauge together. This may cause a kickback
condition and injure the operator.
CAUTION: If your saw makes an unfamiliar noise or if it vibrates excessively, cease operating
immediately, turn unit off and disconnect from power source until the problem has been
located and corrected. Contact a D
EWALT factory service center, a DEWALT authorized service
center or other qualified service personnel if the problem cannot be found.
CAUTION: The proper throat plate must be in place at all times to reduce the risk of a
thrown workpiece and possible injury.
There are two basic types of cutting with table saws: ripping and crosscutting. Cutting
with the grain is ripping and cutting against the grain is crosscutting. With manmade
materials, the distinction is made such that ripping is cutting to a different width and
crosscutting describes cutting material across the shorter dimension.
WARNING: When ripping, always use the fence to provide a guide for the material and
blade guard assembly against a kickback situation.
WARNING: Never perform any cutting operation freehand. Never perform plunge cutting.
CAUTION: When crosscutting, always use the miter gauge.
Guard Operating Feature (Fig. 32)
WARNING: To reduce the risk of injury, turn unit off and disconnect machine from
power source before installing and removing accessories, before adjusting or changing set-
ups or when making repairs. An accidental start-up can cause injury.
1. The guard(s) will lock in place when in the raised position.
2. This feature increases visability when measuring the blade to fence distance.
3. Push down on guard(s) and they will release to the operating position.
ALWAYS make sure both guards are in the down position in contact with the table before
operating.
FIG. 32
RAISED
POSITION
OPERATING
POSITION