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What VRTU is used for Main Engine?
?
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What type of engine is the SSDG?
?
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What is the purpose of the Kneumatic Control Box?
?
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What happens to the pitch when you E-stop?
?
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What is a Blue Diamond?
?
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What type of engine is the MPDE?
- Colt-Pielstick high shock
- 16 cylinders arranged in a 45-degree vee configuration
- 10,400 bhp
- 520 RPM
- Sequential turbocharged (STC)
- 4-cycle
- Non-reversing
- Dry crankcase - drains into the main oil sump located below the engine
- Model 16PC2.5V STC marine engines
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What type of MRG do we have?
- Philadelphia Gear Corporation
- model 154 DHCMG-CP MRG
- compound horizontal offset
- dual-input
- single-reduction assemblies with double helical gear teeth
- ratio - 3.145:1
- reduce from 520 engine RPM to 165 shaft RPM
- producing 234,300 ft. lb. of thrust
- 20,250 shaft horsepower
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What is the purpose of the crankcase vacuum?
- Minimize moisture and condensate
- Prevent high fuel dilution that can cause crankcase explosion
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What's so special about our MPDE engine?
STC (Sequential Turbo Charger)
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What is the purpose of the STC?
- Use of two TC in parallel for efficient full power operation
- Use of one TC below 50% power for low speed, high-torque operation
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What is the engine rotation?
Outward
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What is the shaft rotation?
inward
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What's the advantage of having a CPP?
To allow forward and aft direction without changing shaft rotation
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How many cold start with an air receiver?
10
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What is an ECS and what does it do?
A computer inter-connected to the ships machinery through SWN And VRTU
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How many VRTU do we have?
35
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Will a VRTU desinc shut the engine down?
No
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How many ECS consoles do we have?
19
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How are ECS inter-connected?
- Inter-connected through the ship SWAN (Ship Wide Area Network)
- SWAN allows ECS console to communicate with VRTU (VME-based Remote Terminal Units).
- VRTU interfaces with ships machinery.
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Where are SWAN cabinets located?
CCS
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What is the purpose of SWAN?
Allows ECS console to communicate with VRTU
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How many Load Centers do we have?
16
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What's special about Load Center 11?
- It has grey water pump in it
- Pump has no alternate power
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How many A/C's do we have?
7
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What kind of A/C do we have?
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What console in CCS is not an ECS?
Degaussing Console
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MDGOL: What will prompt EOOW to proceed to immediate actions?
When automatic load shedding fails
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MLSSG: What are the indications for MLSSG?
- L/O header pressure below 65 psi
- L/O pressure alarm 46 psi
- L/O pressure trip 185 psi
- High L/O temp above 185 psi
- F/O header pressure below 60 psi
- F/O pressure alarm 38 psi
- F/O service tank low level
- SSDG slows down to stop
- GCB trips without command
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MNVDG: What is the indication of MNVDG?
Unusual noise or vibration in SDDG.
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MNVDG: What should you do if its an excessive metallic noise or vibration?
E-Stop engine
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MDGCE: What are the indications for MDGCE?
- High crankcase pressure
- High crankcase pressure alarm - .1450 psi
- Loud explosion and heavy smoke
- Engine stops immediately
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MDGOH: What are the indications of SSDG Overheating?
- Gauge JW temp above 206 F
- JW temp alarm 217 F
- High or low water level in expansion tank
- Low seawater pressure 10 psi
- Low JW alarm 10 psi
- Low LO alarm 46 psi
- High LO alarm 198 F
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MMF: What are the indications of MMF?
- Bilge alarm in DCC sounds
- Space bilge level rising rapidly.
- Inability to control bilge level by normal methods
- Water flooding in through ruptured firemain or seawater service system piping.
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What are the indications of MHBRG?
- Bearing L/O outlet temp exceeds 185 F or L/O temp differential between inlet and outlet exceeds 55 F (uncontrollable)
- Bearing babbitt temp exceeds 250 F (uncontrollable)
- Bearing cover hot to touch
- Rapid rise in bearing temp
- Insufficient or no oil flow through the bearing sight flow
- Bearing emitting smoke
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MHBRG: If bearing is above normal temp and is not 185 F and bearing Babbitt temp does not exceed 250 F, shift thrust control from pilothouse to CCS and slow both shafts one major speed decrement, 2/3, then 1/3.
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MHBRG: NOTE: What is the action if the reduction of speed and/or other controlling actions do not stabilize or control bearing temperature?
E-stop the shaft
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MHBRG: NOTE: What is the action when uncontrollable bearing is on engine pinion?
E-stop the engine
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What are the indications of MLLOPR?
- L/O pressure to header below 25 psi
- Low L/O pressure warning 18 psi at most remote bearing
- Low L/O pressure alarm 17 psi at most remote bearing
- No oil flow in oil sight flow
- Excessive MRG bearing temp
- MRG L/O sump level low indicator illuminated
- L/O filter DP 10 or greater
- STBY L/O pump starts
- Increased noise in reduction gear train
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What are the indications of MDGEO?
- Gauge indicates J/W temp above 185 F.
- J/W high temp alarm 190 F.
- High or low water level in J/W expansion tank.
- Low seawater pressure.
- Low J/W pressure.
- Low L/O pressure.
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What are the indications of MLLOP?
- L/O header pressure 70-85 psi
- Rocker arm L/O pressure 20-30 psi
- L/O low pressure alarm 58 psi
- Rocker arm L/O low pressure alarm 10 psi
- L/O header low pressure shutdown 50 psi
- Engine noise increases
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What are the indications of MDEGM?
- Excessive hunting of governor or fluctuating engine speed
- Engine fails to respond to speed/load change.
- Engine running at excessive speed for throttle setting.
- Engine stops suddenly.
- Engine overspeeds or surges.
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What are the indications of MHLSB?
- Bearing cover is hot to touch.
- L/O temp above normal for existing load.
- Unusual rise in bearing L/O sump temp, exceeds 165 F.
- Bearing temp exceeds 250 F.
- Unusual noise or vibration in shafting or MRG.
- Babbitt or foreign matter discovered in L/O sample.
- Bearing emitting smoke.
- Bearing high temp alarm 250 F.
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What are the indications of MLPCA?
- Air compressor malfunction.
- Clutch chattering.
- ECS indicates clutch disengaged.
- Governor low air pressure alarm 190 psi
- Clutch/brake low air pressure alarm 91 psi
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What are the indications of MMFOL?
- Spray or leak of F/O in affected area.
- Severe pressure drop or total loss of F/O pressure.
- Main engine/SSDG stops.
- F/O header pressure drops.
- Smell of F/O in space.
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