Makita 6908D Instruction Manual page 11

High tensile bolt
kg .
cm
800
(ft IbS)
(57)
600
(43)
m
e
m 400
(29)
E
F
0
c
m
0
200
(15)
0
M 1 0 (318")
Proper tightening torque for M I 0 (318')
M 8
(5/16")
/
Proper tightening torque for ME
(511 6")
I I
I
Seconds
1
.o
2.0
3.0
Tightening time
Hold the tool firmly and place the point of the driver bit in the screw head. Apply forward
pressure to the machine to the extent that the bit will not slip off the screw and turn the
tool on to start operation.
NOTE:
When fastening screw M8 or smaller, carefully adjust pressure on the switch trigger so
Hold the machine pointed straight a t 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 for your
screw. When fastening a standard screw in a steel plate, the proper fastening torque can
be obtained in an extremely short time (approx. 0.1
-
0.2 seconds). Turn the machine off
as soon as the impact sound is heard.
that the screw is not damaged.
11