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CAUTION:
When operating the tool by pulling the
trigger, there may be a momentary lag
before rotation starts. This does not
signal a malfunction.
* This lag occurs as the tool’s circuitry
starts up when the trigger is pulled
for the first time after installing a new
battery pack or after the tool has not
been used for at least 1 minute (or at
least 5 minutes when the LED is on).
Rotation will start without any lag during
second and subsequent operations.
Switch and Forward/Reverse
Lever Operation
CAUTION:
To prevent damage, do not operate
Forward/Reverse lever until the bit
comes to a complete stop.
Forward Rotation Switch
Operation
1. Push the lever for forward rotation.
2. Depress the trigger switch slightly to
start the tool slowly.
3. The speed increases with the amount
of depression of the trigger for efcient
tightening of screws and drilling.
The brake operates and the chuck
stops immediately when the trigger is
released.
4. After use, set the lever to its center
position (switch lock).
Forward Reverse
Switch lock
Reverse Rotation Switch
Operation
1. Push the lever for reverse rotation.
Check the direction of rotation before
use.
2. Depress the trigger switch slightly to
start the tool slowly.
3. After use, set the lever to its center
position (switch lock).
Clutch Torque Setting
Adjust the torque to one of the 18
clutch settings or “
” position (EY7441,
EY74A1).
Adjust the torque to one of the 18 clutch
settings or “
”, “ ” position (EY7940).
NOTE:
Always make sure to stop operation
of the tool and disengage it from the
work, when you select Hammering
mode from Drilling mode or when
you shift to Drilling mode from
Hammering mode by rotating clutch
handle.
CAUTION:
Set the clutch setting at this mark ( )
before actual operation.
If the clutch handle cannot be set at
“drilling” or “hammering” mode after
driving with clutch function, set the
clutch handle at position 1 and operate
the clutch for a second.
Speed Selection
Choose a low or high speed to suit the
use.
The more the variable speed control
trigger is pulled, the higher the speed
becomes.
LOW
HIGH