Hitachi Koki WH 14DDL, Handling Instructions Manual

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12
English
PRIOR TO OPERATION
1. Preparing and checking the work environment
Make sure that the work site meets all the conditions
laid forth in the precautions.
2. Checking the battery
Make sure that the battery is installed firmly. If it is at
all loose it could come off and cause an accident.
3. Installing the bit
Always follow the following procedure to install driver
bit. (
Fig. 5 )
(1) Pull the guide sleeve away from front of the tool.
(2) Insert the bit into the hexagonal hole in the anvil.
(3) Release the guide sleeve and it returns to its original
position.
(4) If you want to remove the bit, pull the guide sleeve
away from front of the tool.
CAUTION
If the guide sleeve does not return to its original
position, then the bit is not installed properly.
HOW TO USE
1. Check the rotational direction
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. (See
Fig. 6 ) (The L and R marks
are provided on the body.)
2. Switch operation
䡬
When the trigger switch is depressed, the tool rotates.
When the trigger is released, the tool stops.
䡬
The rotational speed of the drill can be controlled by
varying the amount that the trigger switch is pulled.
Speed is low when the trigger switch is pulled slightly
and increases as the trigger switch is pulled more.
NOTE
A buzzing noise is produced when the motor is about
to rotate. This is only a noise, not a machine failure.
3. Using the hook
The hook is used to hang up the power tool to your
waist belt while working.
CAUTION
䡬
When using the hook, hang up the power tool firmly
not to drop accidentally.
If the power tool is dropped, it may lead to an accident.
䡬
When carrying the power tool with hooked to your
waist belt, do not fit any bit to the tip of power tool. If
the sharp bit such as drill is fitted to the power tool
when carrying it with hooked to your waist belt, you
will be injured.
䡬
Install securely the hook. Unless the hook is securely
installed, it may cause an injury while using.
(1) Removing the hook.
Remove the screws fixing the hook with Philips screw
driver. (
Fig. 7 )
(2) Replacing the hook and tightening the screws.
Install securely the hook in the groove of power tool
and tighten the screws to fix the hook firmly. (
Fig. 8 )
4. About Remaining Battery Indicator
When pressing the remaining battery indicator switch,
the red indicator lamp lights and the battery remaining
power can be checked. (
Fig. 9 )
When releasing your finger from the remaining
battery indicator switch, the indicator lamp changes
indication of LED light mode. The
Table 4 shows the
state of red indicator lamp and the battery remaining
power.
As the remaining battery indicator shows somewhat
differently depending on ambient temperature and
battery characteristics, read it as a reference.
NOTE
Do not give a strong shock to the switch panel or
break it.It may lead to a trouble.
5. How to use the LED light
By press the light selector switch on the switch panel,
the LED light mode changes as
Table 5 . It is indicated
by green lamp. ( Fig. 10 )
To prevent the battery power consumption, turn off
the LED light frequently.
CAUTION
Do not expose directly your eye to the light by looking
into the light.
If your eye is continuously exposed to the light, your
eye will be hurt.
NOTE
To prevent the battery power consumption caused
by forgetting to turn off the LED light, the light goes
off automatically in about 2 minutes.
6. Tightening mode selector function (Fig. 11)
CAUTION
䡬
Do not subject the switch panel to shock or damage.
䡬
Select tightening mode while the trigger switch is
released. Failure to do so could result in malfunction.
(1) Tightening mode selector switch
The rotation speed changes in 3 steps (900, 2200,
3000/3100 min
-1
) and select “S mode” each time the
tightening mode selector switch is pressed.
S mode is suitable mode for tightening of self drilling
screw, it decrease failure of screw head breaking,
screw breaking, and screw idle running from
tightening too much screw.
Table 5
Always-ON
mode
Always ON
(turn off after
2 minute)
Panel
display
State
SW interlocked
mode
Light only
SW-ON
Always-OFF
mode
Always OFF
Table 4
State of lamp Battery Remaining Power
The battery remaining power
is enough.
The battery remaining power
is a half.
The battery remaining power
is nearly empty.
Re-charge the battery soonest possible.
01Eng_WH14DDL_WE 11/5/13, 1:38 PM 12