3
NOTE
When the sleeve does not become loose any further,
fix the side handle to the sleeve. Then, strike the grip
of the side handle to the left in order to loosen the
sleeve,while holding the ring by hand (Fig. 2).
Fig. 2
CAUTION
Do not fix the side handle to the ring of the keyless
chuck because of a risk that doing so may damage
the ring.
For Drill chuck with chuck wrench
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 (Fig. 3).
Fig. 3
6. Selecting the appropriate drill bit
䡬 When boring concrete or stone:
Use the drill bits for concrete.
䡬 When boring metal or plastic:
Use an ordinary metalworking drill bit.
䡬 When boring wood:
Use an ordinary woodworking drill bit.
However, when drilling 6.5 mm or smaller holes, use
a metalworking drill bit.
7. Selecting the driver bit
Screw heads or bits will be damaged unless a bit
appropriate for the screw diameter is employed to
drive in the screws.
8. Check the rotational direction (Fig. 4)
The bit rotates clockwise (viewed from the rear side)
by pushing the R-side of the push button.
The L-side of the push button is pushed to turn the bit
counterclockwise.
(The
L
and
R
marks are provided on the body.)
Fig. 4
CAUTION
䡬 Never change the direction of bit rotation during
operation.
Turn the power switch OFF before changing the
direction of bit rotation; otherwise, the motor will
burn.
䡬 Always use with clockwise rotation, when using it
as an impact drill.
9. IMPACT to ROTATION changeover (Fig. 5)
The impact drill can be switched from IMPACT (impact
plus rotation) to ROTATION (rotation only) by simply
sliding the change lever. When boring concrete, stone,
tile or similar board materials, slide the change lever
right. The drill head impacts against the material
while continuing to rotate.
When boring metal, wood or plastic, slide the change
lever fully to the left. The drill simply rotates as an
ordinary electric drill.
Fig. 5
CAUTION
Do not use the impact drill in the IMPACT mode if the
material can be bored by rotation only. Such action
will not only reduce drill efficiency, but may also
damage the drill tip.
When changing over, ensure the change lever is slid
as far as it will go.
HOW TO USE
1. Pressure
Drilling will NOT be accelerated by placing heavy
pressure on the drill. Such action will only result in a
damaged drill bit, decreased drilling efficiency and/
or shortened service life of the drill.
Ring
Sleeve
Side handle
Loosen
Tighten
Loosen
Chuck
wrench
R
L
Push button
L
mark
R
mark
Impact
Rotation
01Eng_FDV16VB2_Eng 4/20/09, 18:063
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