Makita BFT043F Instruction Manual page 6

Function
This indicates the appropriate time to
Warning for battery
replace the battery cartridge when
cartridge capacity
the battery power becomes low.
Checking the This function works when the battery
remaining battery power is almost used up. At this time,
capacity, Autostop tool stops immediately.
This function works to check the
Check the LED proper operation of the LED indicator,
indicator, light and light and beeper when a battery
beeper operation cartridge has been inserted into the
tool.
This function works when an
Anti-reset of abnormal drop of the battery voltage
controller occurs for some reason, and the tool
stops.
This function works when the
Overheat temperature of the controller goes up
very highly, and the tool stops.
This function works to avoid the tool's
Operation error of the immediate start upon insertion of
switch trigger battery cartridge into the tool with the
switch trigger being pulled.
Adjusting the fastening torque (Fig. 6)
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. (Fig. 7)
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.
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.
6
Status
Flickers in red slowly.
Lights up in red.
Lights up first in
green, next red.
(And then the light
comes on.)
Flickers in red and
green alternatively.
Flickers in red
quickly.
Flickers in red and
green alternatively.
Status of the LED indicator/beeper
LED indicator
A series of long
beeps
A long beep
A series of very
short beeps
A series of short
beeps
A series of short
beeps
A series of short
beeps
Installing or removing driver bit or socket
bit (Fig. 8)
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=12 mm
procedure (1).
B=9 mm
(Note) Bit-piece is not necessary.
For tool with deep bit hole
A=17 mm To install these types of bits, follow the
B=14 mm procedure (1).
To install these types of bits, follow
A=12 mm the procedure (2).
B=9 mm (Note) Bit-piece is necessary for installing
the bit.
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. (Fig. 9)
2. To install the bit, pull the sleeve in the direction of the
arrow and insert the bit-piece and bit into the sleeve
as far as it will go. The bit-piece should be inserted
into the sleeve with its pointed end facing in. Then
release the sleeve to secure the bit. (Fig. 10)
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.
Action to be taken
Beeper
Replace the battery
with fully charged
one
Replace the battery
with fully charged
one
—
Replace the battery
with fully charged
one
Remove the battery
cartridge
immediately and
cool the tool down.
Release the switch
trigger.