Operation - Makita 6900D Instruction Manual

Operation
The proper tightening torque may differ depending upon the kind
or size
of the bolt. The
relation between tightening torque and tightening time is shown in the figures below.
Standard bo1 t
kg cm
I f f . Ibrl
M I 4 l9/16'1 at high rpssd
Proper lightening
lorqua
lor M14 l9/16"1
Proper tightening torque
lor M12 1112''I
M I 0
13/8"l
S I low speed
Proper ttghtenmg torque
lor
M I 0 1318")
Proper tightening
torque
lor M8
15116'1
I
0
I
I
1
1
2 3 4
5
seconds
Tightening time
High tensile bolt
kg cm
111
Ibd
I
800
1581
M I 0 13/8"l
a i high speed
Proper lightening torque
lor M I 0
l3/8"1
%
600
6
1431-
m
M8 l5/16'1
at
high speed
2
2 1 -
Proper
lightening
torque
lor M8
l5/16'l
2w
-
1151
I 1 I I I
0 1
2 3 4 5
IeCondl
Tighiening time
Hold the tool firmly and place the socket over the bolt or nut. Turn the tool on and
tighten for the proper tightening time.
9