47' MLB Operator's Handbook Flashcards Preview

Boat Crew > 47' MLB Operator's Handbook > Flashcards

Flashcards in 47' MLB Operator's Handbook Deck (514):
0

Hull length

47' 11"

1

Length overall

48' 11" (w/ rubrails)

2

Hull beam

14' 0" (w/o rubrails)

3

Beam overall

15' 0" (w/ rubrails)

4

Freeboard

Bow 6' 8"
Amidships 2' 2" (deck recess)
Aft 7' 1"

5

Draft

4' 6"

6

Fixed height

18' 6" (radar antenna)

7

Unfixed height

28' 4" (HF antenna))

8

Engines

Twin Detroit Diesel Electronically Controlled (DDEC) 6V92TA

9

Rated HP

435 BHP at 2100 RPM

10

Reduction gear

Reintjes WVS 234 UP, 2:1 reduction

11

Fuel type

Diesel

12

Fuel capacity 100%

394 gal

13

Fuel capacity 95%

373 gal

14

Electrical generation

Dual alternators

15

Propellers

Fixed 4 bladed, 28" diameter, 36" pitch

16

Hoisting condition

40000 lbs

17

P/W capacity

5 gal

18

Compartments

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

Hull construction

5456 marine grade aluminum
Side shell: 1/4"
Bottom: 5/16"
Chine plates: 3/8"
Keel: 1/2"

20

Longitudinal frame spacing

11"

21

Transversal frame spacing

30"

22

Maximum personnel (including crew)

34 (180 lbs each)

23

Maximum seas

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