47' MLB Operator's Handbook Flashcards
0
Q
Length overall
A
48’ 11” (w/ rubrails)
1
Q
Hull length
A
47’ 11”
2
Q
Hull beam
A
14’ 0” (w/o rubrails)
3
Q
Beam overall
A
15’ 0” (w/ rubrails)
4
Q
Freeboard
A
Bow 6’ 8”
Amidships 2’ 2” (deck recess)
Aft 7’ 1”
5
Q
Draft
A
4’ 6”
6
Q
Fixed height
A
18’ 6” (radar antenna)
7
Q
Unfixed height
A
28’ 4” (HF antenna))
8
Q
Engines
A
Twin Detroit Diesel Electronically Controlled (DDEC) 6V92TA
9
Q
Rated HP
A
435 BHP at 2100 RPM
10
Q
Reduction gear
A
Reintjes WVS 234 UP, 2:1 reduction
11
Q
Fuel type
A
Diesel
12
Q
Fuel capacity 100%
A
394 gal
13
Q
Fuel capacity 95%
A
373 gal
14
Q
Electrical generation
A
Dual alternators
15
Q
Propellers
A
Fixed 4 bladed, 28” diameter, 36” pitch
16
Q
Hoisting condition
A
40000 lbs
17
Q
P/W capacity
A
5 gal
18
Q
Compartments
A
Lazarette: Transom to 1 Engine room: 1 to 5 Survivors: 5 to 8 Aux: 8 to 10 Forward: 10 to 15 Forepeak: 15 to bow Enclosed bridge: 8 to 10 above main deck
19
Q
Hull construction
A
5456 marine grade aluminum Side shell: 1/4" Bottom: 5/16" Chine plates: 3/8" Keel: 1/2"
20
Q
Longitudinal frame spacing
A
11”
21
Q
Transversal frame spacing
A
30”
22
Q
Maximum personnel (including crew)
A
34 (180 lbs each)
23
Q
Maximum seas
A
30’
24
Maximum breaking seas
20'
25
Maximum winds
50 kts
26
Range (cruising)
50 NM
27
Maximum RPM
2100 RPM
28
Maximum speed
25 kts
29
Cruising RPM
1850 RPM
30
Cruising speed
20 kts
31
Towing capacity (3 1/4" towline)
150 displacement tons
32
Towing capacity (2" towline)
50 displacement tons
33
Ice breaking capability
Light surface ice
34
Rotation of engine
Right hand
35
Coolant capacity
12 gallons
36
Lube oil capacity
5.5 gallons
37
Lube oil type
40 weight 2104D
38
Reduction gear ratio
2:1
39
Reduction gear oil capacity
7.1 gallons
40
Reduction gear oil type
30 weight MILSPEC 2104D or E
41
Reduction gear oil temperature
140 - 176 F
42
Reduction gear cooler raw water source
Engine raw water system
43
Reduction gear disengage pressure
58 - 66 psi
44
Superstructure extends from __ to ___
Frame 3
| Frame 12
45
Mast platform is attached to the superstructure at ___ and ___
Frame 3
| Frame 5
46
Deepest draft location
Propeller shaft strut extensions
47
Propulsion system configuration
U-drive
48
Each propeller shaft penetrates the hull between ___
Frames 3 and 4
49
Size of propellers
28" x 36" Four-bladed
50
Frame spacing
30"
51
How many primary watertight compartments?
7
52
Secondary watertight compartments
Forward deck lockers
Mast platform
Open bridge consoles
Buoyancy chamber
53
Forepeak access
20" QAWTH at Bulkhead 15
54
Forepeak ventilation
Natural ventilation with a 2" check vent
55
Contents of port stowage box
5 gallons 40 weight 2104 oil
1 gallon Tellus T-15 Hydraulic fluid
DC kit
Three sets of hearing protection
56
Contents of starboard stowage box
```
4 wool blankets
Two pillows
Pyro kit
Bell with clapper
Mouth operated reed horn
Handheld spotlight
10 blood-borne pathogen kits (3XXL, 3XL, 2L, 2M)
```
57
Electric bilge pump capacity
33 gpm
58
Location of shore power main circuit breaker
Port shell plating at frame 9
59
Auxiliary Space bilge pump location
Frame 8 to starboard of keel
60
Forward bilge pump location
Frame 10 to starboard of keel
61
Forward bilge pump discharge
Starboard
62
Auxiliary space bilge pump discharge
Port between frames 8 and 9
63
What are on the top of the DC power panels?
Amperage and voltage meters
64
Where is the power converter for the 12-volt panel?
Mounted on the inboard side of the 24-volt power panel with the breaker below the meters
65
Auxiliary space ventilation
Forced ventilation
66
Auxiliary space vent fan and ducting are where?
Bulkhead 10 to starboard of the watertight door
67
Auxiliary space ventilation air intake ducting is where?
On bulkhead 8 to port of the watertight door
68
Auxiliary space ventilation exhaust fan switch is located where?
Bulkhead 10, above the 24-volt panel
69
Location of 12-volt power panel
Bulkhead 10, outboard of 24-volt panel
70
Location of 24-volt power panel
Bulkhead 10, to port of QAWTD
71
How much CO2 is in the fixed system?
Two 25-lb bottles
72
Location of fixed CO2 system CO2
Bulkhead 10, starboard of QAWTD
73
Location of DDEC Engine Room Interface Module and Electronic Gear Interface
Starboard shell plating between frames 8 and 9
74
Voltage of power receptacles
120-volt AC
75
Isolation transformer for the shore power system location
Bulkhead 8 to port of QAWTD
76
120-volt power panel location
Bulkhead 8 to port of the isolation transformer
77
What are the two battery systems?
Start and Service
78
Location of battery banks
Auxiliary space, directly over the keel
79
What are the batteries?
12-volt 8D cell marine batteries connected in series
80
How are the batteries connected?
In series
81
What does paralleling do?
Increases the amperage
82
What does connecting in series do?
Increases the voltage
83
Battery control and parallel switches are located where?
In the survivor's compartment on Bulkhead 8, port of QAWTD
84
R/W valve, strainer, and pumps for the HVAC are located where?
At frame 9 to starboard of the battery box
85
EWRS and Horn Compressor system are located where?
On a pedastal on the outboard starboard side of the battery box
86
How many seats are in the survivor's compartment?
5, 3 port, 2 starboard
87
How big is the water jug?
5 gallons
88
Where does the sink discharge?
Port side
89
Where is the stokes litter stored?
Port side above the windows
90
Where is the rescue swimmer pack stored?
Attached to the stokes litter
91
Where is the FAT kit stored?
Bulkhead 5 directly over the QAWTD to the engine room
92
How many sets of hearing protection are kept in the survivor's compartment?
2
93
How big is the CO2 extinguisher?
5-lb
94
How big is the PKP extinguisher?
10-lb
95
Where is the loudhailer/intercom speaker in the survivor's compartment?
Port side of bulkhead 8
96
Where is the CO2 mechanical actuator located in the survivor's compartment?
Starboard of the engine room door on bulkhead 5
97
Where is the 30-second discharge delay control head?
Starboard side bulkhead aft of the seats
98
Where is the CO2 system light panel?
Above the QAWTD leading to the engine room
99
Where are the fuel e-stops?
Between the ladder leading to the aft deck and the engine room door
100
The vent ducting on bulkhead 8 passes through the survivor's compartment for the HVAC in the enclosed bridge supplies makeup air for ____
Under the open bridge consoles
101
Where is the survivor's compartment battle lantern mounted?
On the starboard bulkhead above the aft window
102
Where is the grounding wand located?
On the starboard bulkhead above the forward window
103
The fuel tank is located ___
Below the removable deck, centered on the keep between bulkheads 5 and 8
104
Capacity of fuel tank
394 gallons
105
What control the free surface effect in the fuel tank?
Baffles installed in the tank at frames 6 and 7
106
How many inspection covers are on the fuel tank?
3
107
Where is the R/G mounted?
Between frames 6 and 7
108
The R/G is coupled to the engine by a ___
Cardan shaft
109
The cardan shaft passes through ___
A water restricting seal on each side of the bulkhead
110
The propeller shaft is how big?
2.5"
111
The cardan shaft is connected to the ___ which connects to the reduction gear output flange
Stub shaft (spacer)
112
The shaft enters the stern tube at ___ and exits the hull ___
At bulkhead 5
| Between frames 4 and 3
113
Watertight integrity is maintained between the shaft and the stern tube by a ___
PSS drip-less shaft seal
114
Where is the spare parts kit stowed?
The center gear space
115
How many GPM are the bilge pumps?
33
116
Where are the R/G space bilge pumps mounted?
At bulkhead 5 next to the fuel tank
117
Where do the R/G bilge pumps discharge?
Through bulkhead 5 outboard of the cardan shafts, and connects to the engine room bilge discharge piping
118
Where is the depth sounder?
Port of the fuel tank between frames 7 and 8
119
Where is the speed log transducer?
Starboard of the fuel tank between frames 7 and 8
120
Which direction are the engines facing?
Aft
121
What type are the alternators?
28-volt 220 amp Balmar alternator
122
Where is the R/W valve for the engines?
Opposite side of the keel from which it serves, between frames 4 and 5
123
The primary fuel filters are ___
30 micron
124
The primary fuel filters are located ___
Between frames 3 and 4 on the inboard girders
125
The secondary fuel filters are ___
Less than 10 micron
126
The secondary fuel filters are located ___
Inboard of both engines
127
Where are the fuel e-stops?
Between frames 4 and 5 on either side of the keel
128
MIM
Marine Interface Module
129
ECM
Engine Control Module
130
Where is the MIM and ECM
Mounted on the engine
131
The gear driven hydraulic steering pump delivers ___
6.5 GPM
132
A separate electrically driven hydraulic pump is mounted ___
Just above the chine and bulkhead 2
133
The separate electrically driven hydraulic pump supports the ___
Autopilot system
134
Hydraulic filter capacity
10 micron
135
The hydraulic fluid reservoir, filter, and cooler assembly are located ___
Starboard side shell plating between frames 2 and 3
136
___ is provided to cool the hydraulic fluid
R/W from the starboard engine
137
E/R bilge pumps are located ___
At bulkhead 5 and the other between frames 1 and 2
138
The engineer's tool box is located ___
In a bracket on the starboard side aft deck, directly under the muffler
139
A standpipe for E/R dewatering is located ___
Inboard of the starboard girder, forward of bulkhead 1
140
The exhaust mufflers are cooled by ___
R/W
141
The mufflers are cross-connected to ___
Provide exhaust discharge when one port is underwater
142
What type of valve is used to cross-connect the mufflers?
Butterfly
143
The mufflers are located ___
On bulkhead 1 outboard of the girders
144
Exhaust discharges through the ___
Shell plating between frames 1 and 2 just above the waterline
145
The rudder posts are located ___ of the girders
Outboard
146
A ___ is placed in the top of each rudder post to provide a watertight seal against the rudder stock
Packing gland
147
A ___ connects the port and starboard tiller arms
Tie rod attachment
148
The manual steering rudder angle indicator is located ___
Outboard of the port rudder post
149
The electrical rudder angle indicator sending unit for the autopilot system is located ___
Inboard of the port rudder post
150
The autopilot course computer is located in ___
The enclosed bridge
151
The rudder angle indicators sense rudder position with ___
Tie rod attachment to the port rudder
152
The servo power cylinder of the hydraulic steering unit is mounted ___
Between the starboard tiller and the centerline
153
The ___ connects the power cylinder to the starboard tiller ___ of the tie rod attachment
Servo ram
| Forward
154
The lazarette's ventilation is ___
Naturally ventilated using a 2" check vent
155
The R/W standpipe for firefighting penetrates the hull at ___
A mid point between the shell plating and the starboard girder, just aft of bulkhead 1
156
The engine room dewatering pipe penetrates bulkhead 1 to ____
Starboard of the QAWTD
157
How many steps does the ladder from the open to enclosed bridge have?
4
158
How many steps does the ladder from the survivor's compartment to the enclosed bridge have?
3
159
The emergency engine back up panel and controls are mounted ___
Directly over the throttles in the enclosed bridge
160
The enclosed bridge emergency air shut down pull cables are located ___
To port and starboard of the throttle control console
161
The enclosed bridge search light control is located ___
Aft of the engine throttles
162
The enclosed bridge CO2 activation handle is located ___
Aft and below the engine controls
163
The enclosed bridge has ___ windows
12
164
The four forward facing windows are ___
Heated glass
165
Two opening windows are located ___
Abeam of the helm chairs
166
The opening windows lock open using ___
A setscrew and slide mechanism
167
The opening windows secure using ___
A screw type dog
168
Two spring loaded hinged windows are aft of the ___
Stationary windows
169
EWRS
Emergency Window Release System
170
The function of the EWRS is ___ to allow ___
To automatically release the windows in a rollover situation
| The free transfer of water
171
The EWRS can be manually activated using ___
The CO2 pull handle mounted on the overhead directly above the throttle control station
172
The side and aft windows in the enclosed bridge are fitted with ___ to help control ___
12-volt blowers
| Condensation
173
The chart table is located __
On the port side, adjacent to the forward console
174
The chart table stows ___
Vertically adjacent to the bulkhead
175
The chart table extends ___
Out over the port helm chair
176
A chart bag with navigation equipment may be hung ___
On the port bulkhead next to the chart table
177
The CO2 system actuator cylinder is filled with ___
Nitrogen
178
The enclosed bridge HVAC unit is located ___
On the overhead above the starboard bolster seat
179
The HVAC controls in the enclosed bridge are located ___
On the starboard bulkhead
180
The bilge pump alarm panel and controls are mounted ___
To starboard of the aft facing window on bulkhead 8
181
The bilge pumps may be in what modes of operation?
Off/Auto/On
182
The normal mode for the bilge pumps is ___
Automatic
183
The bilge alarms circuit is connected to the ___
Boat horn
184
A selector switch on the bilge alarm panel puts it in which two modes?
Moored
| Underway
185
The navigation light controls are located ___
To port of the QAWTD on bulkhhead 8
186
What navigation light modes are available?
Anchor light, running lights, towing astern (200M or less), and inland alongside towing
187
The HF radio is mounted in the enclosed bridge ___
On the starboard bulkhead at frame 9
188
Binoculars are stowed where in the enclosed bridge?
In a rack on the starboard bulkhead forward of the HF radio
189
The enclosed bridge 5-lb CO2 extinguisher is stowed ___
On the port side of bulkhead 8 next to the navigation light panel
190
The enclosed bridge 10-lb PKP is stowed ___
On the starboard side superstructure just in front of bulkhead 8
191
The enclosed bridge battle lantern is mounted ___
On the starboard outboard side of the overhead just forward of the aft window
192
A ___ is attached to the handrail from the open bridge to the aft deck
Safety line
193
The port steering station has ___ for helm control
An electric follow-up jog lever
194
The rudder angle indicator displays in ___ increments
One degree
195
A ___ is on the underside of the open bridge console to allow drainage and prevent water intrusion in the event of a rollover
1" check ball
196
The starboard steering station has a ___ for helm control
Steering wheel
197
Deck light switches and horn button are located ___
Inboard of the helm unit
198
The searchlight control panel on the open bridge is located ___
Above the helm unit
199
A ___ extends across the superstructure in front of the consoles
Clear lexan windscreen
200
In the open bridge the magnetic compass is located ___
Between the windscreen and the starboard steering station
201
The helm chairs can be rotated ___, and locked into position every ___
360 degrees
| 90 degrees
202
The jump seats can ___
Be locked into a vertical position to provide more deck space
203
In the open bridge, the binoculars are stowed ___
In a rack under the starboard steering station console
204
The mast platform is ___
A buoyancy chamber that aids in re-righting the boat
205
What is located on the mast platform?
Radar antenna, DGPS antenna, blue light, forward and aft fixed spot lights, and aft deck working lights
206
The mast tower can be lowered using ___
Block and tackle rig attached to the tow bit
207
What is located on the mast tower?
Anchor light, upper and lower masthead light, upper and lower aft facing tow lights, stern light, VHF-DF antenna, and search light
208
A ___ is located on the centerline at the bow
Hinged bullnose with locking pin and lanyard
209
Where are the bitts located?
Between frames 16 and 17
Frame 12
Between frames 8 and 9
Between frames 2 and 3
210
Chocks are located ___
Frame 14
Between frames 9 and 10
Between frames 3 and 4
Between frames 1 and 2
211
The handrails on the sides of the superstructure extend start between ___ and end between ___
Frames 10 and 11
| Frames 3 and 4
212
The hand rail that runs transversely across the bow is at ___
Frame 11
213
The taftrail runs from ___
The transom to frame 3
214
The tow bitt is located ___
Just aft of frame 2 centered over the keel
215
The tow bitt is ___ high
30"
216
___ run aft from the tow bitt post to the deck at the intersection of bulkhead 1
Tow post stiffeners
217
A ___ in the engine room strengthens the deck
Stanchion
218
Two tow reels are located ___
Recessed in the port aft corner of the superstructure
219
The upper tow reel carries ___
300' of 2" DBN line
220
The lower electrically powered tow reel carries ___
900' of 3 1/4" DBN line
221
An electric motor is mounted internally in the ___ reel only
Lower
222
The tow reel control switch is located ___
Above the upper tow reel
223
The tow real breaker switch and power reset button are located ___
Inside the aft survivor's compartment door
224
The hand crank for the tow reels is secured ___
To the port side of the tow line reels
225
The hand crank can be used on which tow reel?
Either
226
How many deck lights illuminate the deck?
8
227
The HF-FM antenna is located ___
On the port side of the superstructure at frame 4
228
The HF-FM antenna can be ___
Lowered
229
Port and starboard running lights are located ___
On top of the enclosed bridge between frames 9 and 10
230
What size are the ring buoys?
30"
231
Where are the ring buoys mounted?
Port and starboard at frame 6 on the sides of the open bridge handrails
232
The floating electrical marker lights are located ___
Just forward of the ring buoys
233
Rescue line throw bags are mounted ___
On the open bridge handrails
234
A diver's knife is mounted ___
On the port stanchion of the ladder to the aft deck
235
Boat hooks are mounted ___
On the sides of the superstructure
236
What type are the boat hooks?
8-foot telescopic aluminum, with hull numbers and skiff hook attachments
237
The buoyancy chamber at the stern of the boat is ___ high
30"
238
A recess on the starboard side of the aft buoyancy chamber contains ___
The P6 pump can
239
The aft buoyancy chamber is divided into ___ watertight deck boxes
3
240
Two ___ for the P6 are on the forward face of the aft buoyancy chamber
Suction standpipes
241
The outboard P6 standpipe is for ___
R/W suction
242
The inboard P6 standpipe is for ___
Engine room dewatering
243
The port aft deck box contains ___
200' of 2 1/4" DBN drogue/grapnel line, two drogues (small/large), one roll of marlin, two heaving lines, chafing gear/assorted shackles
244
The center aft deck box contains ___
DBN bridle, wire/kevlar bridle, block and tackle kit, skiff hook with pendent, and a #4 grapnel hook
245
The starboard aft deck box contains ___
Suction hose for P6 to standpipe, hose with vari-nozzle
246
What size is the P6 suction to standpipe hose?
6' x 3"
247
What fitting does the P6 suction to standpipe hose use?
Sized camlock fitting
248
How long is the firefighting discharge hose?
50'
249
A deck locker is on each side of the forward superstructure between frames ___
10 and 11
250
The port deck locker contains ___
19-lb Fortress anchor (Danforth type) mounted in bracket, 2-lb mud fluke, reel with 300' of 2 1/4" DBN anchor line, 9 feet of 3/8" stainless steel chain attached to the anchor and line with 3/8" stainless steel shackles and swivel moused as ground tackle, and a T-handle for opening the forward compartment
251
The starboard deck locker contains ___
4 fenders, 8 alongside lines, and the window washer fluid tank
252
The P6 fire fighting capability is intended only to provide ___
Personnel protection or to aid in removing survivors from a burning platform
253
The major components of the propulsion system are ___
The two main engines, the cardan shafts, the R/G's configured for U-drive, and the the propellers and shafts
254
What type of engines does the 47 MLB have?
Two Detroit Diesel Electronically Controlled, 6 cylinder, 2 stroke, turbo-charged, after-cooled marine diesel engines (DDEC 6V92TA)
255
Engine rating
435 HP at 2100 RPM
256
Then engines rotate ___ as viewed ___
Right hand
| Looking aft from the front of the engine
257
Coolant capacity
12 gallons
258
L/O capacity
5.5 gallons
259
L/O type
40 weight 2104D
260
A ___ controls all engine combustion functions
Computer
261
The engines maintain ___ under ___ and limits maximum and minimum ___
Constant RPM
Variable loads
RPM
262
A ___ couples each engine to its R/G
Cardan shaft
263
The Cardan shaft has a ___ that allows for expansion and contraction
Spline joint
264
A ___ is mounted to the engine flywheel for the Cardan shaft
Vulcan coupling
265
The Vulcan coupling is made of a ___ and accepts the ___
Rubber material
| Torsional twist applied to the Cardan shaft when the engine accelerates
266
___ at the end of the Cardan shaft accepts any misalignment
U-joints
267
The Cardan shaft passes through a ___ on each side of ___
Water restrictive rubber seal clamped
| Bulkhead 5
268
What type of R/G does the 47 MLB use?
Reintjes WVS 234 UP Marine Reduction Gears
269
Where are the R/G's located?
Port and starboard of the fuel tank between frames 6 and 7
270
The R/G is a ___ unit
U-drive
271
R/G ratio
2:1 forward and reverse
272
___ mounted at the gear box controls gear function as affected by the DDEC system
An electronically actuated control valve
273
R/G L/O capacity
7.1 gallons
274
R/G L/O type
30 weight 2104D or E
275
A temperature regulating valve and gear oil cooler for the R/G maintain oil temperatures between ___
140 - 176 degrees F
276
The R/G cooler is supplied with R/W from ___
The engine R/W system
277
R/G disengaged pressure is normally ___
58 to 66 psi
278
R/G clutch applied pressure is normally ___
230 to 290 psi
279
If apply pressure is lost, the R/G is fitted with a ___
Come-home device
280
The come-home device is engaged by ___
Mechanically locking the clutch together with set screws
281
In the event of electronic control failure of the R/G, the control valve can be ___
Operated manually
282
Each propeller shaft is ___ in diameter
2 1/2"
283
Each propeller shaft is constructed of ___
CRES AQUAMET 22
284
The reduction gear end of the shaft is fitted with a ___ that is secured to the shaft using ___
Flange
| One center bolt and lock wire (.0625)
285
A ___ connects to the R/G output flange and is secured with ___
Stub shaft
| 1/2" bolts
286
A ___ is between the stub shaft and the prop shaft to ___
Micarta shaft isolator
| Protect the gear in the event of grounding and electrolosis
287
The stern tube starts at ___
Frame 5
288
The prop shaft penetrates the hull between frames ___
3 and 4
289
A ___ encompasses the shaft
PSS drip-less shaft seal
290
The shaft is supported aft by a ___
Stainless steel strut with a strut extension to protect the propeller
291
There are ___ installed between the strut and prop on each shaft facing inboard
Spur line cutters
292
The propeller is a ___
4-bladed, 28" diameter x 36" pitch
293
A computerized electronic engine control, governing and fuel injection system that replaces mechanical controls
DDEC
294
There are how many major components to DDEC?
7
295
ECM
Electronic Control Modules
296
The ECM is mounted ___
Directly on the engine
297
Each ECM contains the microprocessor that ___
Continuously monitors and controls engine performance and calibration
298
The ECM receives input from ___
Sensors located on the engine
299
The ECM provides direction to the ___
Electronic fuel injection system
300
Each ECM also contains a backup ___
Microprocessor
301
The ECM performs 7 functions
```
Engine governing
Cold start fueling and timing
Engine protection and diagnostics
Injection timing
Rated speed and power
Sensor calibrations
Smoke control
```
302
The DDEC system is very sensitive to ___
Current/voltage fluctuations and surges
303
The ___ replace the traditional fuel injectors with an electronically controlled solenoid valve and straight plunger on each injector
EUI
304
EUI
Electronic Unit Injectors
305
___ mounted on both engines provide the interface between the boat's control systems and the ECM
MIMs
306
MIMs
Manufacturers/Marine Interface Modules
307
The MIM features a ___ which allows the engineer or service personnel to connect the ___ to the engine for troubleshooting
Diagnostic connector port
| DDEC diagnostic reader
308
Central processor of the control systems (throttles) on the boat
ERIM
309
ERIM
Engine Room Interface Module
310
The ERIM is located in the ___
Auxiliary Machinery Compartment
311
The ERIM accepts signals from the ___
Three control stations on the boat
312
The ERIM commands the engines through the ___ to operate at ___
MIMs and ECMs
| The proper speed
313
The ___ directs the clutch actuators to control direction of propulsion
ERIM
314
Receives signals from the throttles and the throttle control buttons
CSIM
315
CSIM
Control Station Interface Module
316
How many CSIMs are on the boat?
3
317
The CSIMs are located ___
In the enclosed bridge, two in the overhead, one in the main console port side under the main kick plate
318
The CSIM sends the information encoded into command signals to the ___
ERIM
319
The LCD displays mounted in the bridges
EDMs
320
EDM
Electronic Display Module
321
The EDM receives information via a connection to the ___
CSIM
322
Take electronic signals from the ERIM and actuate the R/G clutches
EGIMs
323
EGIM
Electronic Gear Interface Module
324
The EGIMs are located in ___
The Auxiliary Machinery Compartment underneath the ERIM
325
The EGIM receives its signals from the ___
ERIM
326
How many R/W systems are on the boat?
2
327
What do the water systems provided cooling for?
The propulsion system the the HVAC system
328
Five functions of the primary R/W system
Maintains F/O temperatures below 90 degrees F
Removes heat from the engine coolant
Removes heat from the R/G L/O
Removes heat from the steering system hydraulic oil
Provides cooling and quieting for engine exhaust
329
Each engine's R/W valve is located ___
On the opposite side of the keel between frames 4 and 5
330
The R/W strainer is a ___
4" duplex
331
The R/W pump has a flow rating of ___
67 GPM
332
From the R/W pump the water flows to the ___
Fuel cooler
333
The fuel cooler maintains temperatures below ___
90 degrees F
334
From the F/O cooler water is piped to the ___
Engine heat exchanger
335
On the outboard side of the engine R/W flow is divided to ___
Through bulkhead 5 to the R/G L/O cooler and shaft seal
| The second restricted through a 1" restrictor plate and goes to the muffler
336
On the starboard side, a separate branch of the R/W provides cooling for the ___
Steering system hydraulic fluid
337
Water to the shaft seal provides ___
Sealing and cooling
338
After passing through the R/G L/O cooler, the R/W flow ___
Re-enters the engine room and branches off to the de-icing valve and the other discharges to the muffler
339
In the water-cooled muffler, R/W ___ the exhaust and is ___
Cools and quiets
| Discharged over the side via exhaust ports
340
The Mufflers are cross-connected to ___
Prevent back pressure if one exhaust port is submerged
341
An isolation valve is installed on the cross-connect to ___
Prevent internal condensation in the event of single engine operation
342
The cooling system is filled with ___
A 50/50 mixture of Power Cool and distilled water
343
The coolant passes along the heat exchanger, giving up its heat to the ___
R/W
344
From the heat exchanger, the coolant is ___
Drawn into the pump
345
The J/W pump has two outlets: One flows to the ___ and the other directly to the ___
Right bank thermostat housing
| After-cooler
346
From the right bank thermostat housing, J/W flows to the ___
L/O cooler
347
J/W maintains a L/O temp of ___
200 to 250 degrees F
348
J/W can bypass the L/O cooler and go directly into the ___
Block
349
The J/W bypassing the L/O cooler to the block is dependent upon ___
The temperature of the L/O as regulated by a thermostatic valve
350
From the L/O cooler, J/W flows into the ___ absorbing heat from ___
Block
| Combustion around the cylinder liners
351
From the cylinder lines, J/W flows into the ___ where the ___ is cooled
Heads
| Fire deck
352
After the heads, the J/W ___ and enters the ___ where a ___ is housed
Joins the after-cooler discharge
Left bank thermostat housing
Thermostatic valve
353
The thermostat that regulates the temperature of the coolant flowing through the block is set at ___
170 degrees F
354
The thermostat regulates the temperature of the coolant flowing to the block by ___
Opening or closing the discharge passage to the heat exchanger
355
When the engine is warming up, the thermostat will ___
Close the passage to the top of the heat exchanger and open the passage directly to the suction side of the pump
356
Coolant also flows from ___ to the after-cooler mounted in the engine air box below the blower
One discharge side of the pump
357
Charged air from the blower and turbo charger passes along the ___
After-cooler
358
The charge air after-cooler reduces air temperature to ___
100 degrees F
359
Why does the after-cooler reduce the charge air temp?
Cold air is denser and will hold more oxygen for combustion
360
From the charge air after -cooler, J/W is piped to the ___
Left bank thermostat
361
What type off L/O system do the engines have?
Closed-circuit, pressurized
362
Normal operating range of engine L/O
49 to 70 psi
363
A ___ type oil pump is mounted on the ___ and is driven by the ___
Scavenging
Two forward main bearing caps
Gear train from the forward end of the crankshaft
364
The scavenging oil pump is actually ___
Two pumps in a single casing
365
The aft or scavenging pump moves oil ___
From the back of the oil pan to the front over a baffle
366
The front or main oil pump takes suction from ___
The front of the oil pan through the intake screen and pipe, then into the pump where it is pressurized
367
From the main pump, the oil goes to a ___ in the ___ to the ___ and to a ___ mounted on the ___
```
Short gallery
Cylinder block
Oil cooler adapter plate
Spring-loaded pressure relief valve
Cylinder block
```
368
The spring-loaded pressure relief valve discharges excess oil to ___ when the pressure exceeds ___
The oil pan
| 105 psi
369
The oil flows from the oil cooler adapter plate to the ___. Then it flows though the ___ and then back into the ___
Full-flow oil filter
Oil cooler
Cylinder block
370
The L/o filter is ___
30 micron
371
From the block a ___ and ___ carry oil to the ___ through the middle of the block
Short vertical oil gallery
Short diagonal oil gallery
Main longitudinal oil gallery
372
___ are provided to bypass the oil filter and oil cooler if either become plugged
Valves
373
A ___ located at the end of a ___ stabilizes L/O pressure at all speeds regardless of the oil temperature
Pressure regulator valve
| Vertical oil gallery
374
The regulator valve opens when the L/O pressure exceeds ___ and discharges back to the ___
62 psi
| Oil pan
375
The vertical oil gallery is located ___
At the front of the cylinder block on the side opposite the oil cooler
376
The flow of oil through the main gallery:
Pressurized oil flows from the main oil gallery through drilled passages to each main bearing.
Then to an adjacent pair of connecting rods through grooves in the upper main bearing, lower connecting rod bearing and drilled passages in the crankshaft. The rifle drilled connecting rods carry oil from the connecting rod bearings to the piston pin bushing.
377
The engines are ___-stroke
2
378
The air flow that pushes exhaust gases through the combustion chambers is call ___
Scavenging air
379
Air is forced into the engine by an air pump called a ___
Blower
380
The blower is driven through ___
The gear train
381
The blower supplies air to a reservoir in the engine called ___
An air box
382
The air intake system uses a ___ to supply enough air to produce 435 HP
Turbocharger
383
A turbocharger is an air pump driven by the ___
Expelled combustion gases from the cylinders
384
The turbocharger RPM corresponds to ___
The rate of expansion
385
The turbocharger turbine is connected by a shaft to a ___
Compressor wheel
386
The blower generates ___ psi
About 5
387
The turbocharger generates ___ psi
20 or more
388
What allows the turbocharger to bypass the blower to avoid the restriction it would cause?
Air flow valves installed in the blower housing that open an air flow path around the blower compressor lobes
389
The valves that remove the restriction of the blower from the air flow are called ___
Oval blower bypass valves
390
After the blower, air flows to ___
The after-cooler
391
After the the after-cooler, air flows to the ___
Air box
392
Each exhaust subsystem consists of a riser assembly attached directly to the engine's ___
Turbocharger outlet adapter
393
Twin wet exhaust lines are located ___
Aft between frames 1 and 2
394
Through the exhaust gas muffler, gases ___
Percolate upwards through the center of the water chamber
395
The exhaust mufflers ___ water in the event of a rollover to prevent ___
Retain
| Back drainage into the engines
396
The F/O system is made of ___ subsystems
3
397
The F/O tank capacity at 100% is ___
394 gallons
398
Fuel capacity at 95%
373 gallons
399
Fuel suction is drawn at ___
A point 2" from the bottom of the tank at frame 6
400
The fuel pickup has a ___ to provide suction in the event that the boat capsizes
Bonnet
401
____ are installed at frames ___ to control free surface effect in the fuel tank
Baffles
| 6 and 7
402
Fuel flows from the tank to ___
F/O emergency cut-out valves
403
The F/O emergency cut-out valves are ___ and actuated by ___
Spring-loaded
| Pull cables from the starboard side of the engine room door in the survivor's compartment
404
From the cut-out valves the fuel flows through the ___
Fuel filter service valve
405
From the fuel filter service valve the fuel flows through the ___
Primary F/O separator
406
The F/O separator is a ___ type filter with a ___ rating
Spin-on
| 30 micron
407
The primary F/O separator is considered a ___ filter in that it ___ and ___
Duplex
Removes particulates
Separates water
408
A ___ at the bottom of the F/O filter is used for ___
Removable metal bowl
| Draining water and sediment
409
Fuel travels from the primary F/O filter into the ___
F/O pump
410
The fuel pump is ___ driven off of ___
Gear
| The front of the blower
411
The F/O pump has an internal relief valve that opens at ___ to protect the pump from ___
62 psi
| Overpressurization
412
The F/O pump is also outfitted with a ___ to prevent seal failure in the event that the engine is counter-rotated
Return check valve
413
Fuel flows from the pump under pressure through the ___ to the ___
ECM cooler
| Secondary 2-4 micron filter
414
After the ECM fuel flow splits to the ___
Fuel injection system in each cylinder head
415
F/O travels through the cylinder heads for ___
Injecting, cooling the fire deck, cleaning and lubricating the fuel injectors
416
___ of the fuel flow returns back to the tank
80%
417
From the heads, the fuel flow enters a ___ where the split flow is brought back together and flows through the ___
Manifold
| Fuel cooler
418
Fuel cools below ___ in the fuel cooler to prevent a ___
90 degrees F
| Loss of power due to heat buildup
419
On the output side of the fuel cooler there is a ___
0.080" restricted orifice
420
The orifice on the fuel cooler provides ___
Constant back pressureon the system
421
From the fuel cooler, fuel flows to the ___ and through a ___
ECM cooler plate
| Check valve
422
Fuel flow from the ECM cooler plate then joins ___, where it passes through a ___ just aft of ___ and back to the ___
The returned fuel from the other engine
Common return check valve
Bulkhead 5
Tank
423
The relief check valve to tank return prior to the fuel pump is set at ___
10 psi
424
The 47 MLB uses a Manual Servo Steering System that interacts with ___
A power assist system
425
The steering system uses ___ hydraulic fluid
2 gallons of Tellus T-15
426
The manual steering system serves as the boat's ___ steering
Emergency
427
If the Manual steering system fails, the boat can be steered using ___
The engines
428
The helm unit is ___
An axial piston pump
429
The helm unit displaces ___ per revolution
2.3 cu/in of fluid
430
As the helm wheel is turned, it pumps fluid from ___ to ___
One side of the servo ram
| The other
431
The steering fluid reservoir assembly in the engine room provides ___ and is ___
Makeup oil
| Closed to the atmosphere
432
Proper system operation required that the steering fluid reservoir be ___ full
1/2 - 3/4
433
The head pressure in the steering fluid reservoir should be ___
20 to 30 psi
434
A gauge at the steering fluid reservoir displays ___
Pressure
435
The manual steering operates as a ___ by ___
Standard hydraulic system
| Supplying oil to either side of the servo cylinder assembly in the lazzarette
436
By responding directly to helm movement, the connected rudders move with ___
Little effort on the steering wheel
437
When the jog levers are used, an ___ is sent to the ___ which ___
Electronic signal
Control
Pumps fluid to the appropriate side of the servo ram
438
When energized, the autopilot system sends signals to the ___ to control the ___
Autopilot pump
| Operation of the servo ram
439
The power assist system operate in direct response to ___ to give very high response steering with minimal effort
The manual steering system
440
___ driven by the engines provide ___ in the power assist system
Two hydraulic pumps
| Fluid flow
441
From the engine driven hydraulic pumps, the fluid flows to ___ that controls ___
The pump relief/flow control valve
| System pressure including the manual helm steering circuit
442
In operation, pressure is only developed in the power circuit to bring about ___
Changes in rudder position
443
Under steady conditions, the power pumps circulate oil freely in the ___
Power circuit
444
The fluid enters the appropriate side of the port and starboard ___ in the ___ in the lazarette
Power cylinder
| Servo/power cylinder unit
445
The servo cylinder commands the ___ to follow its movement and thus operate in ___
Power cylinder
| Direct response to helm movement
446
An important function of the steering control assembly is that is provides ___ if the power pump flow is lost or interrupted
Automatic return to the manual helm steering
447
The hydraulic steering system reservoir assembly is mounted on ___
The starboard shell plating between frames 2 and 3
448
The hydraulic steering system reservoir contains ___ of hydraulic fluid
1 gallon
449
The hydraulic steering system performs 4 functions for the system
- Supplies oil for the two-engine drive power pumps
- A supply of filtered oil for both the helm unit and the autopilot pump assembly
- Cooling to keep the system operating within parameters
- Continuous filtering of oil in the power asist circuit
450
Hydraulic fluid filter rating
10 micron
451
Hydraulic fluid cooling is supplied from ___
The R/W system
452
Heats, cools, and ventilates the survivor's compartment and enclosed bridge
HVAC system
453
The control unit for the enclosed bridge HVAC is located ___
On the starboard bulkhead
454
The control unit for the survivor's compartment HVAC is located ___
Just inboard of the ladder leading to the aft deck
455
The HVAC system is cooled by ___
A R/W system
456
The intake, valve, and simplex strainer for the HVAC R/W system are located ___
TO starboard of the keel in the auxiliary machinery compartment
457
Whay type of strainer does the HVAC system have?
Simplex
458
___ pump water through hoses to the HVAC compressors
Two electrically powered R/W pumps
459
The R/W valves must be open to use the HVAC system in the ___ mode
Cooling
460
Every compartment on the 47 MLB is ___ ventilated
Naturally
461
The 47 MLB electrical system includes ___ power distribution systems
Both AC and DC
462
AC power is provided from ___
Shore power
463
DC power is provided from ___
4 engine-driven, 220 amp Balmar alternators and two banks of 8D marine type AGM batteries
464
From the alternators the power passes through ___
Voltage regulators
465
From the voltage regulators, power passes through ___ and then on to ___
Battery disconnect switches
| The batteries
466
All four alternators are outfitted with ___ to prevent an overload of one alternator
A load sharing device, the center fielder
467
Green LED indicator lights are mounted on port and starboard engine room gauge panels, which are energized whenever ___
Each respective alternator is producing voltage
468
The power is distributed through ___
24 VDC and 12 VDC power panels
469
The batteries installed on the boat consist of ___
Two banks of 12-volt 8D marine type AGM batteries mounted in a drip proof laminated fiberglass box with a vented top to prevent accumulation of charging gases
470
Each battery bank consists of ___
Two 12-volt 8D marine type AGM batterys connected in series
471
___ Permits each battery bank to be disconnected from its intended starting or service load
Battery disconnect cut-out switch panel
472
Under normal conditions, the battery banks operate ___
Independently
473
The two banks can be ___ in the event that one of them is not providing enough voltage
Paralleled
474
Battery charging is performed in port by ___
An AC powered battery charger
475
Battery charging is performed underway by ___
Four engine-driven Balmar alternators that generate DC power
476
Three power panels are installed on the boat
120 VAC
24 VDC
12 VDC
477
___ panel houses breakers for the two Victron inverters
120 VAC
478
The Victron inverters are ___ amp
40
479
The power receptacles are ___ amp with ___
15
| Ground fault protection
480
The HVAC units are ___ amp each
40
481
Engine hot starts are ___ amp each
30
482
The 120 VAC panel houses breakers for ___
The inverters, power receptacles, HVAC units, and engine hot starts
483
When AC alternator power is being used, the voltmeter and amp meter on the 120 VAC panel will read ___, power is present at the ___ circuit breakers. Indication of power is on the ___
0
HVAC circuit breakers
Seapower remote status panel
484
The 12 VDC panel receives its power from ___
The converters
485
If the 12 VDC power supplies trip off line, ___
Secure the electronics and allow power supplies to cool
486
Reasons the 12 VDC power supples may trip off-line
- Heat in Aux may get hot enough to prevent heat from the converters to dissipate
- A thermo switch will secure the units when overheated
- One unit may be inoperative and the other is carrying the load, which will overload the functioning unit
487
Secure the service batteries when securing the start system cutout switch or when removing power cables from the starter because ___
A 24-volt potential exists on the negative cable due to the common ground of the two systems
488
Why is it important that the EWRS provides for the free transfer of water?
Because the trapped water may affect stability
489
___ provides for automatic or manual opening of the port and starboard aft corner windows on the enclosed bridge
EWRS
490
___ trigger the opening of the aft corner windows
Water sensors mounted on the port and starboard bulkheads near the overhead
491
The EWRS windows are mounted on ___ and are held closed and locked down by ___
Spring-loaded hinges
| Sliding lock assembly
492
___ provides charge air to the window release system
An air compressor and reservoir assembly
493
The EWRS can be tested periodically by ___
Pressing the EWRS release test switch mounted just forward of the starboard window
494
The EWRS can be re-armed by ___
Resetting the test switch, pressing the reset button next to each window, closing the windows and securing the slide locks
495
The CO2 fire supression system is used for firefighting in the ___
Engine room
496
The CO2 system can be activated from three locations
The enclosed bridge, survivor's compartment, and locally at the bottle
497
The local CO2 activation is ___
Removing the locking pin and manually rotating the activation lever on the control head
498
The remote activation stations puncture a ___ which charges the ___
Nitrogen cylinder
| Activation piping
499
The CO2 activation system releases a ___ on the ___ of the CO2 storage containers
Pressure switch
| Control head
500
Once the CO2 has been released, the first stage is ___
The discharge manifold lines are pressurized, the siren, pre-discharge warning light, pre-discharge strobe light, and the engine stop solenoids are activated, and the 30 second delay is activated
501
The purpose of the 30 second delay is to ___
Allow time for the strobe and siren to alert personnel to evacuate
502
Ca the 30 second delay be bypassed?
Yes
503
After the 30 second delay, CO2 will ___
Be released, the engine room air damper and red CO2 discharge light will be lit
504
The boat is outfitted with ___ 33 GPM submersible bilge pumps
7
505
The bilge pump discharge line is fitted with ___
An in-line check valve mounted in a horizontal position
506
The bilge pump discharge hose is attached to a through hole fitting with ___
Two hose clamps
507
The level switch is above the height of the bilge pump to avoid ___
Discharging oil floating on the bilge water
508
The bilge alarm circuit is connected to the ___
Boat horn
509
It will require about ___ of water in the bilge space to activate the bilge pump when in auto
10"
510
The separate emergency method of erergency dewatering of the engine room is through use of ___
The P6 connected to the dewatering standpipe
511
How many bilge flooding alarm sensors are on the boat?
6
512
Which bilge pump does not have an alarm sensor near it?
The forward engine room bilge pump
513
The bilge alarms sensors are located ___
About 5" below the bilge pump activation sensors
