PRECOATED BOLTS
(BOLTS WITH SEAL LOCK AGENT COATING ON THREADS)
Seal lock agent
1.
Do not use the precoat bolt as it is in either of the following
cases:
(1) After it has been removed.
(2) When it has been moved by tightness check, etc.
(loosened or tightened)
Note:
For torque check, tighten the bolt at the lower limit of the
allowable tightening torque range; if the bolt moves, retighten
it according to the steps below.
2.
How to reuse precoated bolts
(1) Wash the bolt and threaded hole.
(The threaded hole must be washed even when replacing
the bolt with a new one.)
(2) Completely dry the washed parts by blowing with air.
(3)
Apply the specified seal lock agent to the bolt threaded
portion.
SI UNITS
Meaning of
SI
This manual uses SI units. SI represents the International System of Units, which was established to unify the various
systems of units used in the past for smoother international technical communication.
New Units Adopted in
SI
I
Item New unit
(
Conventional unit
(
Conversion rate*l (1 [conventional unit]
=
X
[SI unit])
1
r
Force*2
I
N (newton)
I
kg f
I
I
kgf
=
9.80665
N
I
Torque2
(Moment)
I
Pressure*2
?
I
Spring constanV2
I
N/mm
I
kgflmm
I
1 kgflmm
=
9.80665 Nlmm
I
I
I I
Pa (pascal)
?
Revolving speed
I
rlmin
Volume
Power
Heat quantity
Reference:
*I:
X represents the value in SI units as converted from
1
[conventional units], which can be used as the rate for
conversion between conventional and SI units.
*2:
In the past, kilogram [kg] representing mass was often used in place of weight kilogram [kgfl, which should be
used as the unit of force.
I
rPm
kgflcm2
mmHg
1 rpm
=
I
rlmin
L
W
W-h
I
1 kgf/cm2
=
98.0665 kPa
=
0.0980665 MPa
1 mmHg
=
0.133322 kPa
g1PS.h
Specific fuel
consumption
cc
PS
cal
1
g1PS-h
=
1.3596 g1kW.h
gNV- h
Icc=lmL
1
PS = 0.735499 kW
1 kcal
=
1.16279 W.h
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