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49 Busl Engineer > 01-02 > Flashcards

01-02 Flashcards

0
Q

Horse power of MDE & SSDG?

A

MDE: 305HP@ 506 cubic in displacement.
SSDG:

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1
Q

Make and model of MDE.

A

MDE: Cummins Onan 6CTA8.3 M1

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2
Q

Cruising & Max MDE RPM?

A

Cruising: 7kt @ 1800RPM.
Max: 10.5 @ 2300RPM.

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3
Q

SSDG RPM?

A

1800 RPM

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4
Q

MDE lube oil type and capacity?

A

23.2qt(22 liters) of 15w-40.

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5
Q

MDE reduction gear lube oil type and capacity?

A

1.72gal of 30w.

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6
Q

SSDG lube oil type and quantity?

A

11.5qt of 15w40.

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7
Q

Describe the air sep system.

A

Air sep system separates air from oil in exhaust. Oil goes back to pan, air to turbo.

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8
Q

What is SSDG rated for?

A

SSDG is a 20kw, single phase, 120vac, 60hz unit, operating at 1800RPM.

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9
Q

What is the location of the fuel tank?

A

Located at frames 4a-5.

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10
Q

What is the capacity of the fuel tanks?

A

783gal of diesel at 95%.

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11
Q

Where are the fuel emergency shut off’s?

A

In cofferdams.

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12
Q

What type of cooling system does the MDE and SSDG use?

A

It is a keel cooled system.

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13
Q

Where are the sea suction valves and strainers?

A

PORT and STBD side of SSDG.

FRWD of PORT MDE.

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14
Q

How is the MDE cooled?

A

Cooled via raw water, which cools jacket water, which cools lube oil and reduction gear oil.

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15
Q

How is the SSDG cooled?

A

Cooled through raw water, which cools jacket water, which cools lube oil.

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16
Q

How are the reduction gears cooled?

A

Via a shell and tube type oil cooler. 151 tubes, each 1/4” dia.
Jacket water in middle, oil on outside.

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17
Q

How is the raw water system protected from corrosion?

A

Zincs?

18
Q

Locate the raw water pump.

A

Raw water pump is located FRWD of PORT MDE. Used as deck wash down pump.

19
Q

What is the raw water pump rated at?

A

120 VAC, 17gpm and 65psi.

20
Q

State the purpose and type of shaft seal.

A

Allows water to lubricate and cool the shaft. Duramax brand.

21
Q

Jacket water capacity of MDE?

A

Approximately 7gal of 50/50 ethylene glycol.

22
Q

Jacket water capacity of SSDG?

A

Reservoir has 2.1gal capacity.

23
Q

MDE water normal water temp?

A

155-185 *F

24
Q

MDE lube oil pressure?

A

30-70psi.

25
Q

Reduction gear lube oil pressure.

A

300-320psi.

26
Q

What are the dimensions of the MDE shaft?

A

2.5in in diameter, and approximately 125in (10.5ft) long.

27
Q

What are specs of the prop?

A

4 blade/31”dia/22” pitch/128lbs/constructed of nickel aluminum bronze material.

28
Q

Where is the air compressor located?

A

The laz.

29
Q

What is the generator make and model?

A

Cummins Onan 4BTA3.9.

30
Q

What way does the generator rotate?

A

Clockwise, viewed from front of engine.

31
Q

What is the make/model of the reduction gear?

A

Twin-disc Model MG-507-A1.

33
Q

What is the psi of the air compressor?

A

90psi @ 10cfm.

34
Q

Where is the air tank an what is the capacity?

A

Located in laz, and it is 30 gallons.

35
Q

Where is the compressed air system pressure gauge?

A

Next to 30 gal tank.

36
Q

Where is the compressed air relief valve? What PSI is it rated for?

A

125 PSI, located on top of tank.

37
Q

What pressure does the compressed air system turn on and off at?

A

Turns on when pressure drops below 70psi, and off when receiver reaches 100psi.

38
Q

Where is the helm pump?

A

Located inside the FRWD pilot house console.

39
Q

Where is the oil reservoir, how much can it hold?

A

The oil reservoir is located in the laz, holds 4.5 gallons of oil.

40
Q

What type of oil does the steering system take?

A 
The following are comparable:
Shell Tellus 32
Chevron EP 32
Gulf 32 AW
Exxon Nutp H32
41
Q

Where is the expansion tank for the steering system, and how much does it hold?

A

In pilot house, on PORT side. It holds 1 gallon.

42
Q

What is the relief valve set for on the steering system?

A

1000 psi.

43
Q

What is idling rpm for the MDE?

A

750-900rpms.

49
Q

Where is the air compressor?

A

In the laz

49 Busl Engineer (5 decks)

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