English
SPECIFICATIONS
Model
Voltage (by areas)*
Power input
Reversible
Speed change
No load speed
Steel
Capacity
Concrete
Wood
Full load impact rate
Weight (without cord)
Spec. for chuck fitted with chuck wrench
Spec. for keyless chuck
*Be sure to check the nameplate on product as it is subject to change by areas.
STANDARD ACCESSORIES
(1) Chuck Wrench (Spec. only for chuck fitted with
chuck wrench) ........................................................... 1
(2) Side Handle ............................................................... 1
(3) Depth Gauge ............................................................. 1
Standard accessories are subject to change without no-
tice.
OPTIONAL ACCESSORIES (sold separately)
(1) Impact Drill Bit (for concrete)
3.2 mm – 20 mm dia.
(2) Drill Stand (Model D10–DS)
Optional accessories are subject to change without no-
tice.
APPLICATIONS
By combined actions of ROTATION and IMPACT:
Boring holes in hard materials (concrete, marble,
granite, tiles, etc.)
By ROTATIONAL action:
Boring holes in metal, wood and plastic.
PRIOR TO OPERATION
1. Power source
Ensure that the power source to be utilized con-
forms to the power requirements specified on the
product nameplate.
2. Power switch
Ensure that the power switch is in the OFF position.
If the plug is connected to a receptacle while the
power switch is in the ON position, the power tool
will start operating immediately, inviting serious
accident.
5
DV20VB
(110V, 115V, 120V, 127V, 220V, 230V, 240V)
Yes
1
2
0–1100
0–2600
0–1100
/min
/min
13 mm
8 mm
13 mm
20 mm
13 mm
20 mm
40 mm
25 mm
40 mm
14000
36000
14000
/min
/min
3. Extension cord
When the work area is removed from the power
source. Use an extension cord of sufficient thick-
ness and rated capacity. The extension cord should
be kept as short as practicable.
4. Mounting and dismounting of the bit.
For Drill chuck with chuck wrench (Fig. 1)
Fit the drill bit into the chuck and use the chuck
wrench to secure it, tightening the chuck by each
of the three holes in turn.
For keyless chuck (Fig. 2, 3)
(1) Mounting the bit
Turn the lock collar in the direction "AUF" and open
the chuck. After Inserting the drill bit Into the chuck
as far it will go, turn the lock collar in the "ZU"
direction. Grip the retaining ring and close the chuck
by turning the sleeve clockwise as viewed from the
front.
(2) Dismounting the bit
Turn the lock collar in the direction "AUF" to release
the shucking force. Grip the retaining ring and open
the chuck by turning the sleeve counterclockwise.
NOTE
When the sleeve does not become loose any fur-
ther, fix the side handle to retaining ring, hold side
handle firmly, then turn the sleeve to loosen by
hand. (Fig. 4)
5. Selecting the appropriate drill bit
When boring concrete or stone
Use the drill bits specified in the Optional Acces-
sories.
° When boring metal or plastic
Use an ordinary metalworking drill bit.
When boring wood
Use an ordinary woodworking drill bit.
However, when drilling 6.5 mm or smaller holes,
use a metalworking drill bit.
6. Confirm the direction of bit rotation (Fig. 5)
The bit rotates clockwise (viewed from the rear
DV20VC
750W*
No
1
2
0–2600
1100
/min
/min
/min
8 mm
13 mm
13 mm
20 mm
25 mm
40 mm
36000
14000
/min
/min
/min
2.3 kg
2.5 kg
DV20T2
No
1
2
2600
/min
8 mm
13 mm
25 mm
36000
/min