To control the shut-off torque used to
tighten screws and bolts for manufac-
turing and assembly.
Do not use the digital clutch when
tightening screws with a low tighten-
ing torque into materials, such as thin
plastic.
Example application not to be used;
When tightening screws into lightweight
steel sheet which thickness is 0.8 mm
or less.
When tightening screws into soft surface
materials, such as interior finishing
materials.
One-shot impact function : C
→
Set the one-shot impact function to
tighten screws slightly to adjust the
screw head flush to the material surface.
Select the clutch setting to match the
application. This is used when readjust-
ing is continuously required.
The driver automatically rotates approx-
imately half round and stops each time
the trigger switch is depressed. (For bolts,
it stops after approximately 5 impacts.)
Within 1 sec. after the trigger switch is
released once, if it is depressed again,
the one-shot impact function will auto-
matically operate.
Indication lights on the control panel
The indication lights will go off in the
following cases.
• The driver is not operated for 5 min.
• When the battery is replaced.
Depressing the trigger switch again, then
indication lights go on in the previous
condition.
Main recommended applications
and setting guidelines.(
Be sure to set the impact power mode
and digital clutch to match the material
and screws being used for the application.
Adjust the settings from low to high
while checking them to settle on a final
setting for impact power mode select
and for digital clutch setting.
When driving screws into wood, use
the screws of less than 90 mm long and
avoid knots of wood materials.
∗
One-shot impact function requires the
impact power mode select and digital
clutch settings.
Impact Power Mode Select
Selecting the impact power among 3
modes (Hard, Medium, Soft).
Press the impact power mode button to
set it. The mode changes to hard, medium,
or soft each time the button is pressed. To
use automatic mode shifting, press the
button for a period (0.6 sec. or more). It
is recommended that the impact power
mode select be used together with the
digital clutch setting and one-shot impact
function.
The driver is preset to "hard" impact mode
setting when shipped from the manufacturer.
Recommended work guideline table
When maximum power is required in each
impact mode, set the clutch to the "F" mode.
Power mode
H
2,800R.P.M. ( Max. )
M
2,500R.P.M. ( Max. )
S
2,000R.P.M. ( Max. )
One-Shot Impact Function
see p.13.)
This function helps adjust the screw head
flush to the material surface.
The driver rotates half round
matically stops each time the trigger
switch is depressed while tightening a
screw. The driver will give impact about
5 times and automatically stop while
tightening a bolt even though the trigger
switch is depressed. The one-shot impact
function is also available in reverse rota-
tion. The impact force is set by the impact
power mode select and digital clutch set-
tings.
- 8 -
Impact power mode button
Impact
Recommended Application
Display
For hard impact power mode.
Fastening long wood screws.
Tightening bolts when install-
Approx.
ing devices, etc.
For medium impact power mode.
Fastening small diameter
screws into hard materials.
Driving machine screws when
Approx.
installing devices.
For soft impact power mode.
Installing gypsum board.
Installing soft metal window
flame.
Approx.
Installing interior finishings.
∗
and auto-