Makita BFT020F Instruction Manual page 8

Adjusting the fastening torque
► 1. Adjusting ring 2. Ring
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.
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► 1. Adjusting ring 2. Ring 3. Scale 4. Adjust grip
5. Hole for adjust grip 6. Yellow line 7. Compression
spring
5. Use an optional adjusting grip to adjust the fasten-
ing 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.
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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
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.
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6
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► 1. Bit 2. Sleeve
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 ENGLISH
12mm(15/32")
9mm(3/8")
2