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Hitachi dv 20 vb Manual

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20
English
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 notice.
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 notice.
APPLICATIONS
⅜ By combined actions of ROTATION and IMPACT:
Boring holes in hard surfaces (concrete, marble,
granite, tiles, etc.)
⅜ By ROTATIONAL action:
Boring holes in metal, wood and plastic.
PRIOR TO OPERATION
1. Power source
Ensure that the power source to be utilized conforms
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.
3. Extension cord
When the work area is removed from the power
source. Use an extension cord of sufficient thickness
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 chcuk. 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 chcuk 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 further,
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
⅜ When boring concrete or stone
Use the drill bits specified in the Optional
Accessories.
⅜ When boring metal or plastic
Use an ordinary metalworking drill bit.
⅜ 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
SPECIFICATIONS
Model DV20VB DV20VC DV20T2
Voltage (by areas)* (110V, 115V, 120V, 127V, 220V, 230V, 240V)
Power input 750W*
Reversible Yes No No
Speed change 1 2 1 2 1 2
No load speed
0 – 1100 0 – 2600 0 – 1100 0 – 2600 1100 2600
/min. /min. /min. /min. /min. /min.
Capacity Steel 13 mm 8 mm 13 mm 8 mm 13 mm 8 mm
Concrete 20 mm 13 mm 20 mm 13 mm 20 mm 13 mm
Wood 40mm 25 mm 40 mm 25 mm 40mm 25mm
Full load impact rate 14000/min. 36000/min. 14000/min. 36000/min. 14000/min. 36000/min.
Weight (without cord)
Spec. for chuck fitted with
chuck wrench
2.3 kg
Spec. for keylss chuck 2.5 kg
*Be sure to check the nameplate on product as it is subject to change by areas.
… 22 …


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