Hitachi ZW180 Technical Manual page 4

SAFETY ALERT SYMBOL AND HEADLINE
NOTATIONS
In this manual, the following safety alert symbol and
signal words are used to alert the reader to the
potential for personal injury of machine damage.
This is the safety alert symbol. When you see this
symbol, be alert to the potential for personal injury.
Never fail to follow the safety instructions prescribed
along with the safety alert symbol.
The safety alert symbol is also used to draw attention
to component/part weights.
To avoid injury and damage, be sure to use appropri-
ate lifting techniques and equipment when lifting heavy
parts.
UNITS USED
•
SI Units (International System of Units) are used in
this manual.
MKSA system units and English units are also
indicated in parenthheses just behind SI units.
To Convert
Quantity
From
Length mm
mm
Volume
m
Weight
Force
Torque N⋅m
N⋅m
Into
in
ft
L US gal
L US qt
3 3
yd
kg lb
N kgf
N lbf
kgf⋅m
lbf⋅ft
INTRODUCTION
•
CAUTION:
Indicated potentially hazardous situation which could,
if not avoided, result in personal injury or death.
•
IMPORTANT:
Indicates a situation which, if not conformed to the
instructions, could result in damage to the machine.
•
NOTE:
Indicates supplementary technical information or
know-how.
Example : 24.5 MPa (250 kgf/cm
A table for conversion from SI units to other system
units is shown below for reference purposees.
Multiply By Quantity
0.03937 Pressure
0.003281
0.2642 Power
1.057
1.308 Temperature
2.205 Velocity
0.10197
0.2248 Flow rate
1.0197
0.7375
IN-02
2
, 3560 psi)
To Convert
Into
From
MPa kgf/cm
MPa psi
kW PS
kW HP
°C °F
km/h mph
-1
min rpm
L/min US gpm
mL/rev cc/rev
Multiply By
2
10.197
145.0
1.360
1.341
°C×1.8+32
0.6214
1.0
0.2642
1.0