Safety Alert Symbol And Headlight Notations; Units Used - Hitachi ZW 100-G Workshop Manual

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 kg
Force N
N
Torque N⋅m
N⋅m
INTRODUCTION
Into Multiply By
in 0.03937
ft 0.003281
L US gal 0.2642
L US qt 1.057
3 3
yd 1.308
lb 2.205
kgf 0.10197
lbf 0.2248
kgf⋅m 1.0197
lbf⋅ft 0.7375
•
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.
To Convert
Quantity
Pressure
Power
Temperature
Velocity
Flow rate
IN-02
2
, 3560 psi)
Into
From
2
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
10.197
145.0
1.360
1.341
°C×1.8+32
0.6214
1.0
0.2642
1.0