Makita BFT043F Instruction Manual page 7

Adjusting the fastening torque
011417
When you wish to drive machine screws, hex bolts, etc.
with the predetermined torque, adjust the fastening
torque as follows.
1. First remove the battery cartridge from the tool.
2. Loosen and remove the screw that secures the
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 adjust ring
rotates and the hole becomes visible as illustrated.
And then remove the battery cartridge.
1
2
3
3
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5. Use an optional adjust grip to adjust the fastening
torque. Insert the pin of the adjust grip into the hole
in the front of the tool. And then, turn the adjust
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 the front of the tool and then
tighten the screw to secure the ring.
NOTE:
Numbers on the fastening torque scale are a
•
guideline to set up your desired fastening torque.
1. Adjust grip
1
2. Ring
2
1. Adjust ring
4
2. Ring
3. Scale
4. Adjust grip
5
5. Hole for adjust
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
004521
Use only bits that have inserting portions shown in the
figure.
For tool with shallow bit hole
Use only these type of bit. Follow the
A=12mm
procedure (1).
B=9mm
(Note) Bit-piece is not necessary.
006348
For tool with deep bit hole
A=17mm
To install these types of bits, follow
the procedure (1).
B=14mm
To install these types of bits, follow
A=12mm
the procedure (2).
B=9mm
(Note) Bit-piece is necessary for
installing the bit.
011405
1. 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
004047
7
1. Bit
2. Sleeve