01-02 Flashcards
(44 cards)
Horse power of MDE & SSDG?
MDE: 305HP@ 506 cubic in displacement.
SSDG:
Make and model of MDE.
MDE: Cummins Onan 6CTA8.3 M1
Cruising & Max MDE RPM?
Cruising: 7kt @ 1800RPM.
Max: 10.5 @ 2300RPM.
SSDG RPM?
1800 RPM
MDE lube oil type and capacity?
23.2qt(22 liters) of 15w-40.
MDE reduction gear lube oil type and capacity?
1.72gal of 30w.
SSDG lube oil type and quantity?
11.5qt of 15w40.
Describe the air sep system.
Air sep system separates air from oil in exhaust. Oil goes back to pan, air to turbo.
What is SSDG rated for?
SSDG is a 20kw, single phase, 120vac, 60hz unit, operating at 1800RPM.
What is the location of the fuel tank?
Located at frames 4a-5.
What is the capacity of the fuel tanks?
783gal of diesel at 95%.
Where are the fuel emergency shut off’s?
In cofferdams.
What type of cooling system does the MDE and SSDG use?
It is a keel cooled system.
Where are the sea suction valves and strainers?
PORT and STBD side of SSDG.
FRWD of PORT MDE.
How is the MDE cooled?
Cooled via raw water, which cools jacket water, which cools lube oil and reduction gear oil.
How is the SSDG cooled?
Cooled through raw water, which cools jacket water, which cools lube oil.
How are the reduction gears cooled?
Via a shell and tube type oil cooler. 151 tubes, each 1/4” dia.
Jacket water in middle, oil on outside.
How is the raw water system protected from corrosion?
Zincs?
Locate the raw water pump.
Raw water pump is located FRWD of PORT MDE. Used as deck wash down pump.
What is the raw water pump rated at?
120 VAC, 17gpm and 65psi.
State the purpose and type of shaft seal.
Allows water to lubricate and cool the shaft. Duramax brand.
Jacket water capacity of MDE?
Approximately 7gal of 50/50 ethylene glycol.
Jacket water capacity of SSDG?
Reservoir has 2.1gal capacity.
MDE water normal water temp?
155-185 *F