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14
BEFORE USE
Check the work area to make sure that it is clear of debris
and clutter.
Clear the area of unnecessary personnel. Ensure that
lighting and ventilation is adequate.
OPERATION
1. Confirm the clutch dial position (see Fig. 5)
The three modes of screwdriver, drill and hammer
drill can be switched by the position of the clutch
dial in this unit.
(1) When using this unit as a screwdriver, line up the
one of the numbers “1, 4, 7 ... 22” on the cap, or
the black dots, with the triangle mark on the outer
body.
(2) When using this unit as a drill, align the clutch dial
drill mark “ ” with the triangle mark on the outer
body.
(3) When using this unit as a hammer drill, align the
clutch dial hammer mark “ ” with the triangle
mark on the outer body.
CAUTION
●
The clutch dial cannot be set between the numerals
“1, 4, 7 ... 22” or the black dots.
●
Do not use with the clutch dial numeral between
“22” and the black line at the middle of the drill
mark. Doing so may cause damage (See Fig. 6).
Fig. 5
2. Tightening torque adjustment
(1) Tightening torque
Tightening torque should correspond in its
intensity to the screw diameter. When too strong
torque is used, the screw head may be broken or
be injured. Be sure to adjust the cap position
according to the screw diameter.
(2) Tightening torque indication
The tightening torque differs depending on the
type of screw and the material being tightened.
The unit indicates the tightening torque with the
numbers “1, 4, 7 ... 22” on the cap, and the black
dots. The tightening toque at position “1” is the
weakest and the torque is strongest at the highest
number.
(3) Adjusting the tightening torque
Rotate the clutch dial and line up the numbers “1,
4, 7 ... 22” on the clutch dial, or the black dots,
with the triangle mark on the outer body. Adjust
the clutch dial in the weak or the strong torque
direction according to the torque you need.
CAUTION
●
The
motor rotation may be locked to cease while
the unit is used as drill. While operating the
hammer drill take care not to lock the motor.
●
Too long hammering may cause the screw broken
due to excessive tightening.
3. Rotation to Impact changeover (See Fig. 5)
The “Rotation (Rotation only)” and “Hammer
(Hammer + Rotation)” can be switched by aligning
the drill mark “ ” or the hammer mark “ ” with
the triangle mark on the outer body.
⅜
To make holes in the metal, wood or plastic, switch
to “Rotation (Rotation only)”.
⅜
To make holes in bricks or concrete blocks, switch
to “Hammer (Hammer + Rotation)”.
CAUTION
●
If an operation which is normally performed at the
“Rotation” setting is performed at “Hammer“
setting,the effect of making holes does not only
increase but it may also damage the bit or other
parts.
●
If it is hard to turn the cap to hammer mark “ ”
position, turn the chuck slightly in either direction
and then turn the cap to hammer mark “ ”
position again.
4. Change rotation speed
Operate the shift knob to change the rotational
speed.
Move the shift knob in the direction of the arrow
(see Figs. 7 and 8).
When the shift knob is set to “LOW”, the drill
rotates at a low speed. When set to “HIGH”, the
drill rotates at a high speed.
Triangle mark
Drill mark
Hammer mark
Clutch dial
Weak
Strong
Fig. 6
Black line
Drill mark
Triangle mark
Hammer mark
01Eng_DV14DSFL_US 6/8/10, 3:02 PM14