Makita BTD141A Owners Manual - Page 6

Operation

Page 6 highlights

Fastening torque Proper fastening torque 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. • When it is difficult to insert the bit, pull the sleeve and insert it into the sleeve as for as it will go. • After inserting the bit, make sure that it is firmly secured. If it comes out, do not use it. Hook (Accessory) 1. Hook 2. Screw 3 3. Groove 2 1 007521 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 Standard bolt N m (ft lbs) 120 (87) 100 (72) M14 (9/16") 80 (58) M12 (1/2") (M14) 60 (9/16") (43) 40 M10 (3/8") (M12) (29) (1/2") M8 (5/16") 20 (14) (M10) (3/8") (M8) (5/16") 0 1.0 2.0 3.0 Fastening time (S) 006254 High tensile bolt N m (ft lbs) 120 (87) M12(1/2") 100 (72) 80 (58) (M12) (1/2") M10 (3/8") 60 (M10) (43) M8 (5/16") (3/8") 40 (29) (M8) 20 (5/16") (14) 006256 0 1.0 2.0 3.0 Fastening time (S) Fastening torque Proper fastening torque 008447 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. Hold the tool firmly and place the point of the driver bit in the screw head. Apply forward pressure to the tool to the extent that the bit will not slip off the screw and turn the tool on to start operation. NOTE: • Use the proper bit for the head of the screw/bolt that you wish to use. • When fastening screw M8 or smaller, carefully adjust pressure on the switch trigger so that the screw is not damaged. • Hold the tool pointed straight at the screw. • If you tighten the screw for a time longer than shown in the figures, the screw or the point of the driver bit may be overstressed, stripped, damaged, etc. Before starting your job, always perform a test operation to determine the proper fastening time 6

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6
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.
When it is difficult to insert the bit, pull the sleeve
and insert it into the sleeve as for as it will go.
After inserting the bit, make sure that it is firmly
secured. If it comes out, do not use it.
Hook (Accessory)
2
3
1
007521
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
008447
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.
120
100
80
60
40
20
0
1.0
2.0
3.0
M14
M12
M10
M8
(M14)
(M12)
(M10)
(M8)
Standard bolt
N m
Fastening torque
Fastening time
(S)
Proper fastening torque
(ft lbs)
(14)
(29)
(43)
(58)
(72)
(87)
(9/16")
(9/16")
(1/2")
(1/2")
(3/8")
(3/8")
(5/16")
(5/16")
006254
120
(87)
100
(72)
80
(58)
60
(43)
40
(29)
20
(14)
0
1.0
2.0
3.0
M12
M10
M8
(M12)
(M10)
(M8)
N m
Fastening torque
Fastening time
Proper fastening torque
(ft lbs)
High tensile bolt
(S)
(1/2")
(1/2")
(3/8")
(3/8")
(5/16")
(5/16")
006256
Hold the tool firmly and place the point of the driver bit in
the screw head. Apply forward pressure to the tool to the
extent that the bit will not slip off the screw and turn the
tool on to start operation.
NOTE:
Use the proper bit for the head of the screw/bolt
that you wish to use.
When fastening screw M8 or smaller, carefully
adjust pressure on the switch trigger so that the
screw is not damaged.
Hold the tool pointed straight at the screw.
If you tighten the screw for a time longer than
shown in the figures, the screw or the point of the
driver bit may be overstressed, stripped, damaged,
etc. Before starting your job, always perform a test
operation to determine the proper fastening time
1. Hook
2. Screw
3. Groove