Makita BFT123F Instruction Manual page 8

Adjusting the fastening torque
004248
When you wish to drive machine screws, wood screws,
hex bolts, etc. with the predetermined torque, adjusting
the fastening torque as follows.
1. First remove the battery cartridge from the tool.
2. Loosen and remove the screw that secures ring.
3. Rotate the ring in the front of the tool by hand so
that a hole can be seen below the ring.
4. Place the battery cartridge in place and pull the
switch trigger. Release it so that the adjusting ring
rotates and becomes visible in the hole. And then
remove the battery cartridge.
1
2
3
3
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5. Use an optional adjusting grip to adjust the
fastening torque. Insert the pin of the adjusting grip
into the hole in the front of the tool. And then, turn
the adjusting grip clockwise to set a greater
fastening torque, and counterclockwise to set a
smaller fastening torque.
6. Align the yellow line with your desired number on
the fastening torque scale.
7. Insert the battery cartridge and be sure that a
fastening torque has been set up by using a
fastening torque tester.
8. Rotate the ring in front of the tool and then tighten
the screw to secure the ring.
NOTE:
Numbers on the fastening torque scale is a
•
guideline to set up your desired fastening torque.
1. Adjusting ring
1
2. Ring
2
1. Adjusting ring
4
2. Ring
3. Scale
4. Adjusting grip
5
5. Hole for
adjusting grip
6
6. Yellow line
7. Compression
7
spring
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
12mm(15/32")
9mm(3/8")
001761
Use only the driver bit or socket bit shown in the figure.
Do not use any other driver bit or socket bit.
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.
1
2
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To remove the bit, pull the sleeve in the direction of the
arrow and pull the bit out firmly.
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.
8
1. Bit
2. Sleeve