GENERAL
E385C
W5-1-7
8.
Unit
(1)
SI unit is used in this manual. SI unit is the international unit to unify the conventional different international
units into one unit per quantity and to promote smooth technical communications.
(2)
This manual shows both the SI unit and conventional units. The conventional units are shown in { }.
*1
: X means the value when 1 [Conventional unit] is converted to the SI unit.
It is used as the conversion factor from the conventional unit to the SI unit.
*2
: The conversion value of the torque may vary depending on the unit.
Observe the standard values described for each unit.
Safety information
Precautions for work
JP30002010101001
1.
General precautions
To ensure safety in work and to prevent accidents, observe the following items :
(1)
Appearance
a. Wear safety goggles.
b. Do not wear watch, necktie, ring, bracelet, necklace, etc. to prevent accident before work.
c.
Bind long hair at the back.
d. Be sure to wear a cap and safety shoes.
(2)
Safety work
a. Do not touch radiator, muffler, exhaust pipe, tail pipe, etc. after stop of the engine to prevent burn.
b. Do not put your clothes or tools near the rotating part (in particular, cooling fan or V
–
belt) during
operation of the engine.
c.
Remove the starter key when the engine is not started.
d. Start the engine at a well ventilated place so that carbon monoxide may not be filled.
e. Since gas from the fuel or the battery is flammable, do not spark a fire or smoke a cigarette near the
area.
f.
Since the battery fluid is poisonous and corrosive, be careful for handling.
g. Do not short-circuit the cable of the battery or starter. Otherwise, the cable may be burned or burn may
occur.
h. If a tool or rag is left in the engine compartment, it may be bounced with a rotating part of the engine,
resulting in injury.
SI unit
Convent
ional
unit
Conversion value
*1
(1[Conventional
unit] = X [SI unit])
SI unit
Convent
ional
unit
Conversion value
*1
(1[Conventional unit]
= X [SI unit])
Force
N
kgf
1kgf=9.80665N
Spring
constant
N/mm
kgf/mm
1kgf/mm=980665N/
mm
Torque
*2
N
⋅
m
kgf
⋅
cm
1kgf
⋅
cm=0.0980665
N
⋅
m
Volume
L
cc
1cc=1mL
Pressure
Pa
kgf/cm
2
1kgf/
cm
2
=98.0665kPa
=0.0980665MPa
Efficiency
W
PS
1PS=0.735499kW
mmHg
1mmHg=0.133322k
Pa
Calorific
value
W
⋅
H
cal
1kcal=1.13279W
⋅
h
Rotational
speed
r/min
rpm
1rpm=1r/min
Fuel
consumpt
ion rate
g/W
⋅
h
g/PS
⋅
h
1g/PS
⋅
h=1.3596g/
kW
⋅
h
min
-1
1rpm=1min
-1
