User Manual

8
Tool / battery protection system
The tool is equipped with a tool/battery protection
system. This system automatically cuts off power to the
motor to extend tool and battery life.
The tool will automatically stop during operation if the
tool or battery are placed under one of the following
conditions. In some conditions, the indicator lights up.
Overload protection
When the tool is operated in a manner that causes it to
draw an abnormally high current, the tool automatically
stops without any indications. In this situation, turn the
tool off and stop the application that caused the tool to
become overloaded. Then turn the tool on to restart.
Overheat protection for tool
When the tool is overheated, the tool stops automatically
and the battery indicator shows following state. In this
situation, let the tool cool before turning the tool on again.
Battery indicator
Tool is overheated
On Off Blinking
015192
ASSEMBLY
CAUTION:
• Always be sure that the tool is switched off and the
battery cartridge is removed before carrying out
any work on the tool.
Installing or removing driver bit or socket bit
Fig.8
Use only bits that has inserting portion shown in the
figure.
For tool with shallow bit hole
A=12mm
B=9mm
Use only these type of bit. Follow the
procedure (1).
(Note) Bit-piece is not necessary.
006348
For tool with deep bit hole
To install these types of bits, follow
the procedure (1).
To install these types of bits, follow
the procedure (2).
(Note) Bit-piece is necessary for
installing the bit.
A=17mm
B=14mm
A=12mm
B=9mm
011405
Procedure 1
For tool with normal sleeve
Fig.9
To install the bit, pull the sleeve in the direction of the
arrow and insert the bit into the sleeve as far as it will go.
Then release the sleeve to secure the bit.
For tool with one-touch type sleeve
To install the bit, insert the bit into the sleeve as far as it
will go.
Procedure 2
In addition to the procedure(1) above, insert the bit-
piece into the sleeve with its pointed end facing in.
Fig.10
To remove the bit, pull the sleeve in the direction of the
arrow and pull the bit out.
NOTE:
• If the bit is not inserted deep enough into the
sleeve, the sleeve will not return to its original
position and the bit will not be secured. In this
case, try re-inserting the bit according to the
instructions above.
• When it is difficult to insert the bit, pull the sleeve
and insert it into the sleeve as far as it will go.
• After inserting the bit, make sure that it is firmly
secured. If it comes out, do not use it.
Hook
Fig.11
The hook is convenient for temporarily hanging the tool.
This can be installed on either side of the tool.
To install the hook, insert it into a groove in the tool
housing on either side and then secure it with a screw.
To remove, loosen the screw and then take it out.
OPERATION
Fig.12
CAUTION:
• Never obstruct the air vents on the side of the tool
for cooling down oil unit and motor during
operation. Failure to do so may cause the tool
excessive heat and damage.
Fig.13
The proper fastening torque may differ depending upon
the kind or size of the screw/bolt, the material of the
workpiece to be fastened, etc. The relation between
fastening torque and fastening time is shown in the
figures.