Speed change
013964
CAUTION:
Always set the speed change lever fully to the
•
correct position. If you operate the tool with the
speed change lever positioned halfway between
the "1" side and "2" side, the tool may be
damaged.
Do not use the speed change lever while the tool
•
is running. The tool may be damaged.
If the tool speed is coming down extremely during
•
the operation with "2", slide the lever to the "1" and
restart the operation.
Position of speed
Speed
adjusting lever
1
Low
2
High
013983
To change the speed, switch off the tool first. Select the
"2" side for high speed or "1" for low speed but high
torque. Be sure that the speed change lever is set to the
correct position before operation.
1. Speed change
lever
1
Torque
Applicable operation
High
Heavy loading operation
Low
Light loading operation
Selecting the action mode
CAUTION:
Always set the ring correctly to your desired mode
•
mark. If you operate the tool with the ring
positioned halfway between the mode marks, the
tool may be damaged.
1
013971
This tool has three action modes.
Drilling mode (rotation only)
Hammer drilling mode (rotation with hammering)
Screwdriving mode (rotation with clutch)
Select one mode suitable for your work. Turn the action
mode changing ring and align the mark that you
selected with the arrow on the tool body.
Adjusting the fastening torque
1
013971
The fastening torque can be adjusted in 16 steps by
turning the adjusting ring. Align the graduations with the
arrow on the tool body. You can get the minimum
fastening torque at 1 and maximum torque at 16.
Before actual operation, drive a trial screw into your
material or a piece of duplicate material to determine
which torque level is required for a particular application.
The following shows the rough guide of the relationship
between the screw size and graduation.
7
1. Action mode
changing ring
2
2. Adjusting ring
3. Graduation
3
4. Arrow
4
1. Action mode
changing ring
2
2. Adjusting ring
3. Graduation
3
4. Arrow
4