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Hitachi DS14DSFL Manual

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(2) Tightening torque indication
The tightening torque diff ers depending on the type of
screw and the material being tightened.
The unit indicates the tightening torque with the
numbers “1, 3, 5 ... 22” on the clutch dial, and a dots.
The tightening toque at position “1” is the weakest
and
the torque is strongest at the highest number (See Fig.
5).
(3) Adjusting the tightening torque
Rotate the clutch dial and line up the numbers “1, 3, 5 ...
22” on the clutch dial, or the 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 driver drill, take care
not to lock the motor.
○ Too long hammering may cause the screw broken
due
to excessive tightening.
3. 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.
CAUTION
○ When changing the rotational speed with the shift knob,
confi rm that the switch is off .
Changing the speed while the motor is rotating will
damage the gears.
○ When setting the shift knob to “HIGH” (high speed)
and the position
of the clutch dial is “17” or “22”, it may
happen that the clutch does not engaged and that the
motor is locked. In such a case, please set the shift knob
to “LOW” (low speed).
○ If the motor is locked, immediately turn the power off . If
the motor
is locked for a while, the motor or battery may
be burnt.
○ To extend the lifetime, the lithium-ion battery equips with
the protection function to stop the output. Therefore, if
the tool is overloaded, the motor may stop. However,
this is not the trouble but the result of protection
function.
In this case, release the switch of tool and
eliminate the causes of overloading.
4. The scope and suggestions for uses
The usable scope for various types of work based on
the mechanical structure of this unit is shown in Table 4.
Table 4
Work Suggestions
Drilling
Wood
Use for drilling purpose.
Steel
Driving
Machine screw Use the bit or socket matching the screw diameter.
Wood screw Use after drilling a pilot hole.
5. How to select tightening torque and rotational speed
Table 5
Use
Clutch Dial
Position
Rotating speed selection (Position of the shift knob)
LOW (Low speed) HIGH (High speed)
Driving
Machine screw 1 – 22
For 6 mm or smaller diameter
screws.
For 6 mm or smaller diameter
screws.
Wood screw
1 –
For 6 mm or smaller nominal
diameter screws. (DS18DSFL)
For 4.8 mm or smaller nominal
diameter screws. (DS18DSFL)
For 6 mm or smaller nominal
diameter screws. (DS14DSFL)
For 3.8 mm or smaller nominal
diameter screws. (DS14DSFL)
Drilling
Wood
For 38 mm or smaller diameters.
(DS18DSFL)
For 24 mm or smaller diameters.
(DS18DSFL)
For 30 mm or smaller diameters.
(DS14DSFL)
For 12 mm or smaller diameters.
(DS14DSFL)
Metal
For drilling with a metal working drill bit.
CAUTION
○ The selection examples shown in Table 5 should be
considered as general standard. As diff erent types of
tightening screws and diff erent materials to be tightened
are used in actual works proper adjustments are
naturally necessary.
○ When using the driver drill with a machine screw at
HIGH
(high speed), a screw may damage or a bit may
loose due to the tightning torque is too strong. Use the
driver drill at LOW (low speed) when using a machine
screw.
NOTE
The use of the battery BSL1415, BSL1815 and
BSL1830 in a cold condition (below 0 degree
Centigrade) can
sometimes result in the weakened
tightening torque and reduced amount of work. This,
however, is a temporary phenomenon, and returns to
normal when the battery warms up.
000Book_DS14DSFL_WE.indb 11000Book_DS14DSFL_WE.indb 11 2011/08/19 14:47:452011/08/19 14:47:45
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