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MK2 U.S. COAST GUARD EOCT
END OF COURSE FOR MK2 STUDY GUIDE
28
Engineering
Professional
03/18/2007

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Cards

Term
what could happen if you ignore the specific safety warnings in the engine service manual?
Definition
injure your self, injure people around you or damage the outboard
Term
if oem parts are not available, then what should you use?
Definition
charisticaly matching part
Term
six items basic safety procedures to follow when troubleshooting or reparing an electrical component?
Definition
never repair unless assigned to do so
obey operations intructions
de-energize
PPE
insulated tools
tighten connections on portable meters
Term
what are the three main areas of concern in troubleshooting an outboard?
Definition
compression electrical fuel
Term
list the causes in low or variable cylinder compression
Definition
valve seeting
faulty valve
head gasket
piston
cylinder
piston rings
Term
what are the effects of a damaged proppeler?
Definition
high f/o consumption
vibration
loss of power
Term
the demps peformance monitioring program provides an estimate of the effectiness and or condition of the engines. list 5 aids used to monitor
Definition
full power trial
observation of engine charistics
chemical analysis trend of l/o
engine operating paramaters
physical inspection of engine components
Term
the odr facilataes what types of operating data?
Definition
trend recording
event
dynamic
alarm
trip
Term
what conductiong peformance test, at what precent load should the engine be at?
Definition
80-90%
Term
primary indicators for competing demps
Definition
cylinder compression psi
cylinder firing psi
cylinder exhaust temp
crankcase vacum
intake manifold psi
exhaust back psi
l/o consumption
Term
odr will only record data as long as it is?
Definition
ON!!
Term
what analytical tools are used to help in the determination of an enignes center section ?
Definition
full power,
observation of engine operating,
l/o test,
operating pparamaeters,
physical inspection,
Term
when using the intake manifold as a primary indicator, it is especialy important to duplicate what two settings?
Definition
RPM AND LOAD SEETING
Term
how does the governor control speed?
Definition
by regulating the asmount of fuel to the engine
Term
how doel the ogvenro adjust the amount of fuel delivered to the engine?
Definition
by adjusting the position of the fuel rack\ linkage between the gov. and fuel pumps
Term
how does the emergency iverspeed trip work?
Definition
isolating the govenor from its oil supply to bring fuel back to 0 position
Term
functions of a fuel injector?
Definition
accuratly times the amount of fuel
, attomizes
, meters and injects,
creates high psi
Term
propulsion units are also known as?
Definition
reduction gears
, transmission
and marine gear
Term
what is twinning?
Definition
is two gears with identical ratios mounted left of right handeed with foward and reverse to obtain oppostie rotation of the proppeler
Term
what is the main purpose of a reduction gear?
Definition
transmit porwer from the driving gear to the drivin
Term
how iften should the oil be replaced?
Definition
every 1000 hours
Term
three major sub-assembelies that make an reduction gear?
Definition
foward and reverse gear. and output shaft
Term
what should you use to clean a reduction gear strainer?
Definition
clean diesel oil
Term
maximum diametric bearling clearence?

1" - 2" - 3"
Definition
(0.005- 0.050) - (0.005- 0.050) - (0.006 - 0.060)
Term
what are the effects of exceessively worn rudder shaft bearings?
Definition
alot of leakage of water through bearing, excessice vibration, poor steering
Term
when conducting peformace test what should the l/o and j/w temps be within what degrees of normal operation ?
Definition
5 degrees
Term
when downloading data from odr-2 how many floppy disks do you need?
Definition
5
Term
emulsion is generated when ______ reacts with the oil?
Definition
fatty acid
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