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24
Operate the shift knob to change the rotational speed. Move the shift knob in the direction
of the arrow. (See Fig. 21 and 22)
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.
CAUTION:
● When changing the rotational speed with the shift knob, confirm that the switch is off.
Changing the speed while the motor is rotating will damage the gears.
● When a large force is required for operation (operations indicated in the following
chart) set the shift knob to “LOW”. If “HIGH” is set and the unit is used, it may cause
the motor to burn out or malfunction prematurely.
9. Confirm the cap position (See Fig. 23)
The three modes of screwdriver, drill and hammer drill
can be switched by the position of the cap 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
dot, with the triangle mark on the outer body.
(2) When using this unit as a drill, line up the cap drill
mark “
” with the triangle mark on the outer body.
(3) When using this unit as a hammer drill, align the cap
hammer mark “
” with the triangle mark on the outer
body.
CAUTION:
● The cap cannot be set between the numerals “1, 4, 7
... 22” or the black dot.
● Do not use with the cap numeral at “22” and the black
line at the middle of the drill mark. Doing so may cause
damage. (See Fig. 24)
10. Rotation to Hammer changeover
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 the bricks or concrete blocks, switch
to "Hammer (Hammer + Rotation)".
Model DV14DMR DV18DMR
Brick Drilling
Metal Drilling
Wood Drilling
Wood Screw
Tightening
When the diameter of the hole
exceeds 15/16" (24 mm).
When the size of the wood screw exceeds 3/16" (4.8 mm)
diameter × 2" (50 mm).
When the diameter of the hole
exceeds 1-1/16" (27 mm).
Fig. 23
Drill
mark
Fig. 24
Hammer mark
Triangle mark
Black line
When the diameter of the hole exceeds 3/8"(10 mm).
When the diameter of the hole exceeds 5/16" (8 mm).
Triangle mark
Cap
Drill mark
Hammer
mark