Operation; Standard Bolt - Makita 6904VH Instruction Manual

Operation
The proper fastening torque may differ depending upon the kind or
size of
the bolt. The
relation between fastening torque and fastening time
is
shown in the figures below.
Standard bolt
kg
cm
( f t
Ibr)
1400
M16
x
50
15/23''
x
2 'I
a t high s p e d
Proper faltenlng torque
for M16 15/23"]
,/.
M16 x 50 (518" x
2"l
a t low speed
Proper fastening torque
for M12 1112")
proper f a l t e n l n g
torque
~ M 1 2 x 5 0 ( 1 1 2 " x 2 " ) a t I o w r p e e d
200
I
M10 x 50 (318" x
2")
a t
low weed f o r M10 1318"l
" M l O h O
1 ; ' '
x
2")
a t
high speed
-
0 1 2
3 Seconds
Fartenlng
time
High tensile bolt
11881 Proper fartenlng torque
2400
(174)
for M16 (518")
: 1 ' 5 "99
I
M16 x 50 1518''
x 2")
a t
high speed
2 1
1130) M 1 2 ~ 5 0 ( 1 1 2 ; ~ 2 ~ a t hlgh speed
Proper fartenlng
torque
for M12 1112")
M12 x
50
(112" x
2"1
a t low speed
proper fastening ""e
for
M10 1318")
M10 x 50
(318"
x
2")
a t low
speed
1 '
Ml>x 50
1318"
x
2 " )
at hlgh speed
I . . . ,
-
0 1 2 3 4 5 6
Seconds
Farteninq time
7