GENERAL SERVICE INFORMATION
Abbreviations and Symbols
3-16 6LY3 Service Manual
© 2007 Yanmar Marine International
ABBREVIATIONS AND SYMBOLS
Abbreviations
Symbols
* Work torque such as engine torque
** Work torque such as starter motor torque
A ampere
AC alternating current
ACEA Association des Constructeurs
Européens d’Automobilies
Ah ampere-hour
API American Petroleum Institute
ARB Air Resources Board
ATDC after top dead center
BDC bottom dead center
BTDC before top dead center
°C degree Celsius
CARB California Air Resources Board
CCA cold cranking amp
cfm cubic feet per minute
cm centimeter
cm
3
cubic centimeter
cm
3
/min. cubic centimeter per minute
cu in. cubic inch
D diameter
DC direct current
DI direct
DVA direct volt adapter
EPA Environmental Protection Agency
ESG electronic speed governor
°F degree Fahrenheit
fl oz fluid ounce (U.S.)
fl fluid ounce (U.S.) per minute
ft foot
ft-lb foot pound*
ft-lbf/min. foot pound force per minute
g gram
gal gallon (U.S.)
gal/hr gallon (U.S.) per hour
gal/min. gallon (U.S.) per minute
GL gear lubricant
hp horsepower (metric)
hr hour
ID inside diameter
ID identification
IDI indirect injection
in. inch
inAq inches Aqueous (water)
in. Hg inches Mercury
in.-lb inch pound**
J joule
JASO Japanese Automobile Standards
Organization
K kelvin
kg kilogram
kgf/cm
2
kilogram force per square
centimeter
kgf·m kilogram force per meter
km kilometers
kPa kilopascal
kW kilowatt
L liter
L/hr liter per hour
lb pound
lbf pound-force
lb-ft pound foot (Tightening Torque)
lb-in pound inch (Tightening Torque)
m meter
mL milliliter
mm millimeter
mmAq millimeter Aqueous (water)
MPa megapascal
mV millivolt
N newton
N
·m newton meter
No. number
O.D. outside diameter
oz ounce
Pa pascal
PS horsepower (metric)
psi pound per square inch
qt quart (U.S.)
R radius
rpm revolutions per minute
SAE Society of Automotive Engineers
sec. second
t short ton 2000 lb
TBN total base number
TDC top dead center
V volt
VAC volt alternating current
VDC volt direct current
W watt
° degree
+ plus
- minus
± plus or minus
Ω ohm
μ micro
% percent
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