CHAPTER 1 - RATING INFORMATION, GENERAL SAFETY PRACTICES, AND ADMINISTRATION
SOURCES OF INFORMATION
BLUEPRINTS AND DRAWINGS
ELECTRIC SHOCK HAZARDS AND PRECAUTIONS
Figure 1-1.--Safety posters.
Figure 1-1.--Safety posters. - Continued
LEAKAGE CURRENTS
Real Ungrounded Systems
Figure 1-2.--DANGEROUS! BEWARE! Shipboard ungrounded electrical distribution systems are DEADLY.
SAFETY SHORTING PROBE
Figure 1-3.--Approved safety shorting probe.
ISOLATED RECEPTACLE CIRCUITS
Figure 1-4.--A typical electric workbench.
Figure 1-5.--Installation of grounding cable for electric workbench.
Figure 1-7.--Instructions for rescuing personnel in contact with energized circuits.
FIGHTING AN ELECTRICAL FIRE
REPAIR PARTY ELECTRICIAN
Figure 1-8.--DANGER HIGH VOLTAGE sign.
Figure 1-9.--Pushing a victim away from a power line.
Figure 1-10.--Instructions for administering CPR.
Figure 1-12.--Interlocking fingers to help keep fingers ON the chest Wall.
Figure 1-13.--Pressure points for control of bleeding.
Figure 1-14.--First-, second-, and third-degree burns.
HEARING CONSERVATION AND NOISE ABATEMENT
Figure 1-16.--Hazardous noise warning decal.
PAINTS AND VARNISHES
STEEL WOOL AND EMERY CLOTH/PAPER
Figure 1-17.--Cathode-ray tube base structure.
Figure 1-19.--DANGER tag (colored RED).
ADMINISTRATION, SUPERVISION, AND TRAINING
Figure 1-20.--Handle-locking devices for circuit breakers.
Figure 1-21.--Typical engineering departments.
ASSISTANTS TO THE ENGINEER OFFICER
ACCOUNTABILITY
Personnel Qualification Standards (PQS)
SUMMARY
CHAPTER 2 - ELECTRICAL INSTALLATIONS
TYPES AND SIZE DESIGNATIONS OF CABLES
Table 2-1.--Low-Smoke Cable Identification
Table 2-2.--Cable Classifications
Figure 2-2--Construction of flexible RF transmission line.
RADIO-FREQUENCY COAXIAL CABLES
Installing the Cables
Figure 24.--Representative nylon stuffing tube installations
Figure 2-5.--Protecting cable ends.
Figure 2-5.--Protecting cable ends. - Continued
Figure 2-6.--Wire strippers.
Table 2-3.--Color Code for Power and Lighting Cable Conductor
Figure 2-9.--Lacing procedure.
Figure 2-11.--The loop method of terminating the lace.
Figure 2-13.--Serving conductor ends.
Temperature Effects on Insulation.
Figure 2-14.--Measuring insulation resistance of a lighting circuit.
Figure 2-15.--Measuring insulation resistance of a power circuit.
Figure 2-17.--Nomograph for obtaining resistance per foot.
Figure 2-18.--Casualty power cable--old method of serving.
Figure 2-19.--Method of securing a copper ferrule to a conductor.
Figure 2-20.--Casualty power cable ends.
Figure 2-23.--Shore-power station and receptacle assembly
Figure 2-25.--Phase-squence indicator.
Figure 2-27.--Cable clamps.
Figure 2-28.--Representative nylon stuffing tube installations
Figure 2-29.--Nylon stuffing tube grounded installation.
Figure 2-30.--Single cable strap application.
MANUALLY OPERATED CONTACTS
ELECTRICALLY OPERATED CONTACTS
Figure 2-36.--A float switch tank installation.
PRESSURE AND TEMPERATURE SWITCHES
Figure 2-39.--A pressure-operated switch.
PILOT CONTROL DEVICES
Figure 2-41.--A magnetic overload relay.
Figure 2-42.--Two ac overload relays.
Figure 2-43.--An adjustable thermal overload relay and a reset magnet assembly.
Figure 2-44.--A coil and disk arrangement of an ac reverse-power relay.
Figure 2-45.--Schematic wiring diagram of an ac reverse-power relay.
Figure 2-46.--Mechanical construction of an dc reverse-current relay.
Figure 2-19.--Schematic wiring of a phase-failure relay.
Figure 2-50.--Type ACB circuit breaker.
Figure 2-51.--AQB-A250 circuit breaker complete, front view
Figure 2-52.--AQB-A250 circuit breaker complete front view, with cover and arc suppressor removed.
Figure 2-53.--AQB-A250 trip unit; (a) with shunt trip and auxiliary unit; (b) with undervoltage release and auxiliary switch.
Figure 2-54.--AQB-A250 circuit breaker, rear view, with terminal mounting blocks.
Figure 2-56.--Complete circuit breaker, front view, with fuse unit removed.
Figure 2-58.--NQB-A250 circuit breaker, front view with cover removed.
CHECKING CIRCUIT BREAKERS
SELECTIVE TRIPPING
Figure 2-59.--Selected tripping of circuit breakers.
TYPES OF RECEPTACLES
ELECTRICAL EQUIPMENT ABOARD SHIP
TESTING ELECTRICAL EQUIPMENT
SUMMARY
CHAPTER 3 - ELECTRICAL DISTRIBUTION SYSTEMS
Figure 3-1.--Power distribution in a large combatant ship.
Figure 3-2.--Power distribution in a gas turbine powered DDG.
Figure 3-4.--A pictorial view of the A-2 ABT.
Figure 3-5.--Schematic diagram of the A-2 ABT.
Figure 3-7.--1SA Ship's service switchboard
Figure 3-8.--1SB Ship's service switchboard.
Figure 3-9.--Rear view of a switchboard showing bus bars and disconnect links.
Figure 3-11.--Electric plant control console (EPCC).
Figure 3-12.--EPCC showing distribution and system status and control sections.
TYPES OF AC GENERATORS
Figure 3-14.--Essential parts of a rotating-field generator.
Figure 3-15.--An ac generator: A. Brush type. B. Brushless type.
Figure 3-16.--Low-speed, engine-driven ac generator.
Figure 3-18.--Model 104 gas turbine generator set.
Figure 3-21.--Three-phase, ac generator showing neutral connection
Figure 3-23.--Waves and vectors of alternating current and voltage in a circuit containing only resistance.
Figure 3-25.--Waves and vectors of alternating current and voltage in a circuit containing only capacitance.
Figure 3-27.--Vector analysis of voltage in series aiding and opposing.
Figure 3-28.--Three-phase delta/connected system.
MEASUREMENT OF POWER
GENERATOR CHARACTERISTICS
Figure 3-30.--The ac generator voltage characteristics.
Armature Reaction
Figure 3-31.--Types transformer construction.
Figure 3-32.--Single-phase transformer.
Figure 3-33.--Constant-potential transformer.
VOLTAGE AND CURRENT RELATIONSHIPS
Figure 3-34.--Single-phase transformer connections.
Figure 3-35.--Delta-connected transformer secondaries.
Figure 3-36.--Change connections.
Figure 3-38.--Wye-wye transformer connections.
Figure 3-39.--Delta-wye transformer connections.
Figure 3-41.--Polarity markings for large transformers.
Figure 3-43.--Bus tie connections on 400-hertz ship's service system.
RIGGING CASUALTY POWER
Figure 3-45.--Rear of switchboard showing casualty power terminal.
UNRIGGING CASUALTY POWER
RIGGING SHORE POWER
PHASE-SEQUENCE INDICATOR
CHAPTER 4 - SHIPBOARD LIGHTING
Figure 4-1.--Lighting distribution system.
Figure 4-2.--Block diagram of lighting distribution system.
Figure 4-3.--Delta-delta transformer connections.
Figure 4-5.--Classification of lamps according to the shape of the bulb.
Figure 4-6.--Classification of lamps according to the type of base.
Table 4-3.--Description of Intermediate Lamps
Figure 4-7.--Lamp sockets.
Figure 4-8.--Fluorescent lamps with auxiliary equipment.
Table 4-7.--Energizing a Fluorescent Lamp with a Glow-switch Starter
Figure 4-9.--Fluorescent fixture three-phase connections.
LOW-PRESSURE SODIUM LAMPS
Figure 4-12.--Lighting fixtures.
Figure 4-13.--Weatherdeck floodlights.
Figure 4-14.--A symbol 92.2 watertight fixture.
Figure 4-15.--General arrangement of lights for navigation.
Figure 4-16.--Arc of visibility for navigation lights.
Figure 4-17.--Navigation light fixtures, lamps, and lenses.
Forward and After Masthead Lights
Constrained by Draft Lights
Testing Navigation Lights
Figure 4-9.--Summary of Navigation Lights
Figure 4-20.--Supply, control, and telltale panel, symbol 969.1.
Figure 4-21.--Running light, supply, control, and telltale panel schematic diagram.
Figure 4-22.--Dimmer control panel, symbol 989.
Figure 4-23.--Constrained by draft and/or task light fixtures.
Figure 4-24.--Station marker box, symbol 285.
Figure 4-26.--Blinker light fixture.
Figure 4-27.--Multipurpose signal light, symbol 106.1.
Figure 4-28.--An 8-inch, 60-hertz, sealed-beam searchlight.
Figure 4-29.--A 12-inch incandescent searchlight.
Figure 4-30.--A 12-inch incandescent searchlight converted to use a mercury-xenon arc lamp.
Figure 4-31.--Wiring diagram for an early model 12-inch mercury-xenon arc searchlight.
XENON AND MERCURY-XENON ARC LAMPS
Figure 4-32.--Wiring diagram for a 12-inch mercury-xenon arc searchlight.
Figure 4-33.--Light trap.
Figure 4-34.--Special lights.
Hand Lanterns
Table 4-10.--State of Charge of Portable Flood Lanterns
Figure 4-35.--Small boat and service craft lights.
SUMMARY
CHAPTER 5 - ELECTRICAL AUXILIARIES
SPECIFIC GRAVITY
Figure 5-2.--Type-B hydrometer.
CAPACITY OF BATTERIES
TYPES OF BATTERY CHARGES
Battery Equalizing Charge
TREATMENT OF ACID BURNS
OPERATION OF THE 24-302-BN-1 BATTERY CHARGER
SMALL CRAFT ELECTRICAL SYSTEMS
Figure 5-5.--Starting motor with an overrunning clutch drive and a solenoid-operated switch.
Figure 5-6.--Solenoid switch diagram.
LP AIR COMPRESSOR
Figure 5-6.--A typical low pressure air compressor.
COMPRESSOR DISCHARGE THERMOMETER
Figure 5-9.--Air compressor schematic diagram.
Figure 5-9.--Air compressor schematic diagram.
Automatic Operation
Injection Water Level Control
HIGH AIR DISCHARGE TEMPERATURE
REFRIGERATION AND AIR-CONDITIONING SYSTEMS
Table 5-3.--Switches, Relays, Contactors, and Indicating Devices of Refrigeration Equipment
Figure 5-10.--Refrigeration plant wiring diagram.
Figure 5-11.--80-ton compressor unit assembly.
OIL PRESSURE SAFETY SWITCH
Figure 5-12.--80-ton air-conditioning compressor wiring diagram.
PENDULUM WINDOW WIPER
Figure 5-13.--Pendulum window wiper.
Figure 5-14.--Control box assembly.
Figure 5-16.--Window wiper schematic.
Figure 5-17.--Block diagram of ultrasonic cleaner.
Figure 5-18.--Vent fog precipitator.
Figure 5-19.--Vent fog precipitator wiring diagram.
Figure 5-20.--A simplified representative winch.
Electric-Hydraulic Anchor Windlasses
Figure 5-21.--Anchor windlass.
Figure 5-22.--Reversing across-the-line starter for a two-speed anchor windlass.
OPERATION
ELEVATORS
ELECTRIC (ELECTROMECHANICAL) ELEVATORS
ELECTRIC (ELECTROMECHANICAL) ELEVATORS - Continued
Figure 5-23.--Schematic diagram of electric elevator automatic control selective from one station.
Figure 5-24.--Bomb elevator power plant and control scheme.
Figure 5-25.--Block diagram of electronic controlled elevator system.
Figure 5-26.--A static logic panel at the sixth level for a cargo elevator.
Figure 5-27.--AC magnetic reversing controller for a two-speed, two-winding motor for a cargo elevator.
Figure 5-28.--Schematic diagram of a proximity limit switch.
UNDERWAY REPLENISHMENT SYSTEM
Figure 5-30.--UNREP system equipment used to move a missile from storage to the receiving ship.
Highline Winch and Ram Tensioner
Figure 5-32.--Parts of the inhaul/outhaul winch.
Figure 5-33.--Top view of AE UNREP system (view looking aft).
Figure 5-34.--Reciving unit.
Figure 5-35.--Control console on a receiving ship.
Figure 5-36.--Carriage return hydraulic power unit: A. Back of unit: B. Front of unit.
Transfer Signal Holdup Light
Figure 5-38.--Wiring diagram of an electric forklift.
DRIVE MOTOR AND CONTROLLER
ELECTROHYDRAULIC STEERING GEAR
Figure 5-39. - Steering gear room (perspective view)
Figure 5-40.--Steering gear room (plan view).
Figure 5-41.--Ship control console (front view).
Hydraulic Power Unit Control System
Figure 5-42.--Steering gear functional block diagram.
ELECTRIC GALLEY EQUIPMENT
Figure 5-45.--M-series convection oven.
Figure 5-46.--Wiring diagram of M-series oven.
Figure 5-48.--Electric griddle wiring diagram.
Figure 5-50.--Wiring diagram of the Mk 721 deep fat fryer.
Figure 5-51.--A typical washer-extractor installation.
Figure 5-52.--A typical automatic control timer.
Figure 5-53.--Programmed formula chart.
Figure 5-54.--Wash drive train.
OTHER LAUNDRY EQUIPMENT
CHAPTER 6 - MOTOR CONTROLLERS
Figure 6-2.--Schematic of an ac primary resistor controller.
Figure 6-6.--Schematic of a reversing ac controller
Table 6-1.--AC and DC Controller Sizes
Figure 6-9.--Detailed view of arcing contacts.
Figure 6-10.--Action of a magnetic blowout coil.
Figure 6-11.--AC contactor.
Figure 6-12.--Schematic of a simple LVP controller.
Figure 6-14.--Two-speed, ac controller.
Figure 6-15.--A two-speed de controller with shunt field rheostat.
Figure 6-16.--Reversing ac controller.
Figure 6-17.--Reversing dc controller.
Figure 6-19.--Autotransformer controller.
Figure 6-20.--A typical dc controller.
Figure 6-23.--OR symbol and circuit.
Figure 6-24.--Basic logic circuit.
Figure 6-25.--A static logic panel for a cargo elevator.
EMERGENCY RUN FEATURE
Figure 6-26.--Schematic of controller with emergency run push button.
JAMMING (STEP BACK) PROTECTION
Table 6-10.--Troubleshooting Chart
Table 6-10.--Troubleshooting Chart - Continued
Figure 6-29.--Typical three-phase controller.
Figure 6-30.--Troubleshooting a thee-phase magnetic line starter
CHAPTER 7 - MAINTENANCE AND REPAIR OF ROTATING ELECTRICAL MACHINERY
Figure 7-1.--Representative types of ball bearings.
Figure 7-3.--Grease-lubricated ball bearings.
RENEWAL OF GREASE BY DISASSEMBLING THE BEARING HOUSING
Grease-Lubricated Ball Bearings
Figure 7-7.--Removing seized inner ring of bearing.
Figure 7-8.--Cracking seized inner ring of bearing.
Figure 7-9.--Diagram of an oil-lubricated bearing.
Figure 7-10.--Brush holder and brush rigging assembly.
Figure 7-12.--Method of sanding brushes.
Figure 7-13.--Detail of brush rigging with sandpaper in position.
SETTING ON NEUTRAL
TRUING COMMUTATORS AND COLLECTOR RINGS
Collector Ring Circularity
Figure 7-16.--Commutator dressing stone tool.
Figure 7-17.--Truing a commutator by turning.
Figure 7-20.--Example of good and poor undercutting.
Figure 7-21.--Typical ac motor.
Figure 7-22.--Typical dc Motor.
Figure 7-23.--Marking a motor frame and end bell.
Figure 7-25.--Squirrel-cage rotor.
Table 7-4.--Satisfactory Insulation Resistances for ac Motors and Generators (Other than Propulsion)
Figure 7-28.--Balanced current test for shorted phase.
Table 7-5.--Satisfactory Insulation Resistance for dc Generators and Motors (except propulsion and auxlliary generators for submarines) Including Exciters
Figure 7-30.--Classfifcation or armature windings.
Figure 7-33.--Meaning of coil pitch in armature winding.
Figure 7-35.--Four-pole simplex wave windings.
Figure 7-38.--Portion of a six-pole simplex wave winding
Figure 7-41.--Checking armature shorts with a growler
Figure 7-43.--Measuring commutator out-of-round with a dial indicator.
Table 7-6.--Classes of Insulation
Table 7-7.--Varnishing Procedures
Figure 7-46.--AC Dielectric test set.
Figure 7-48.--Representative surge test waveforms.
Figure 7-51.--A dc generator or motor data card.
Figure 7-52.--Winding armatures by hand.
REWINDING FIELD COILS
Figure 7-53.--Coil form for field coils.
THREE-PHASE STATOR TESTING AND REPAIR
Figure 7-59.--Placing coil sides in slots.
Figure 7-60.--Three-phase, four-pole, series-wye winding.
Figure 7-62.--Three-phase, four-pole, parallel-wye winding.
Figure 7-63.--Three-phase, four-pole, series-delta winding.
Figure 7-64.--Three-phase, four-pole, parallel-delta winding.
Testing Phase Current Balance
Figure 7-69.--Single-phase motor data card. (A) Front side; (B) back side.
Figure 7-70.--Single-phase, capacitor-start, inductor-run motor diagram.
Figure 7-73.--Generator equipped with an ailr cooler.
MOTOR AND GENERATOR AIR COOLERS
CHAPTER 8 - VOLTAGE AND FREQUENCY REGULATION
Table 8-1.--Standard Elctrical Characteristics for Shipboard Ac Power Systems
Figure 8-1.--Simplified voltage regulator circuit.
INDIRECT-ACTING RHEOSTATIC VOLTAGE REGULATOR
Figure 8-2.--Schematic diagram of direct acting voltage regulator installation.
Figure 8-3.--Control element of a direct-acting voltage regulator
Damping Transformer
Figure 8-5.--A Silverstat voltage regulator on an ac generator.
Cross-Current Compensator
ROTARY AMPLIFIER VOLTAGE REGULATOR
Figure 8-6.--Block diagram of an amplidyne voltage regulator system.
Figure 8-7.--Voltage-adjusting unit.
Figure 8-8.--Automatic control circuit.
Figure 8-9.--Three-phase response circuit.
Frequency Compensation
Figure 8-10.--Manual control circuit.
Figure 8-11.--Schematic diagram of amplidyne voltage regulator installation.
STATIC EXCITATION AND VOLTAGE REGULATION SYSTEM
Figure 8-12.--Elementary diagram of static excitation voltage regulator system.
Static Exciter
Figure 8-14.--Field-flashing circuit.
Figure 8-15.--Manual voltage control circuits.
Figure 8-16.--Final-stage magnetic amplifier.
Figure 8-17.--First-stage magnetic amplifier.
Figure 8-18.--Automatic voltage regulator.
Figure 8-19.-- Vector diagrams of reactive droop circuit-
SPR-400 LINE VOLTAGE REGULATOR
Figure 8-20.--SPR-4OO line voltage regulator.
SPR-400 LINE VOLTAGE REGULATOR - Continued
CLOSELY REGULATED POWER SUPPLIES
Figure 8-22.--Motor-generator set simplified block diagram.
Figure 8-23.--Static converter, front view.
Figure 8-24.--Static converter, simplified block diagram.
Figure 8-25.--No-break power supply, block diagram.
SYNCHRONIZING MONITOR
Figure 8-28.--Synchronizing monitor.
PHASE DIFFERENCE MONITORING CIRCUIT
Figure 8-29.--Block diagram of phase difference monitoring circuit.
Figure 8-32.--Input voltage to CR10 (180 out of phase).
Figure 8-33.--Block diagram of frequency difference monitoring circuit.
Figure 8-37.--Firing sequence for Q4.
Figure 8-38.--Firing sequence for Q3.
Figure 8-40.--Schematic diagram of voltage difference monitoring circuit.
SERVICING TECHNIQUES FOR TRANSISTORIZED CIRCUITS
CHAPTER 9 - ELECTROHYDRAULIC LOAD-SENSING SPEED GOVERNORS
Figure 9-1.--Electrohydraulic load-sensing governor system components.
Figure 9-2.--EG-M electrohydraulic systems.
Figure 9-3.--Electrohydraulic load-sensing governor system, block diagram.
Figure 9-4. - Schematic arrangement of the EG-R actuator
EG-R Hydraulic Actuator
Hydraulic Amplifier
Figure 9-5.--Hydraulic amplifier schematic diagram.
Hydraulic Amplifier - Continued
EG-M Control Box
Figure 9-7.--EC-M control box, simplified schematic.
SINGLE GENERATOR OPERATION
Figure 9-10.--Load signal box, simplified Schematic
Figure 9-11.--Comparison of load pulse signals to load changes
Figure 9-12.--EGB-2P governor actuator.
Actuator Control
Figure 9-13. - Schematic diagram EGB-2P governor/actuator
Governor Control
Speed Droop
Figure 9-14.--2301 load - and speed-sensing control.
2301 ELECTRIC GOVERNOR
Figure 9-15. - 2301 block schematic diagram
MAGNETIC PICKUP/SPEED SENSOR
Figure 9-16.--Amplifier schematic.
Figure 9-17.-Ramp generator schematic.
Figure 9-18. - Speed sensor schematic
Figure 9-19.--Speed sensor output voltage
Figure 9-20. - Lead sensor schematic
Figure 9.21--Equivalent single-phase circuit.
Figure 9-22.-Basic load sensor, single-unit configuration.
Figure 9-23.--Basic load sensor, parallel unit configuration.
MAINTENANCE
THE EARTH'S MAGNETIC FIELD
PERMANENT MAGNETIZATION
Table 10-1. - Measeurement of the Earth's Magnetic Field at Selected Locations Expressed in Microtesla
Figure 10-2.--Effect of the earth's magnetic field upon a ship.
SHIPBOARD DEGAUSSING INSTALLATION
Figure 10-4.--Magnetic field of a current-carrying coil.
Figure 10-9.--Longitudinal field of ship and neutralizing fields of F and Q coils.
MANUAL CURRENT CONTROL
TYPES OF AUTOMATIC DEGAUSSING SYSTEMS
Table 10-2.Description of Different Automatic Degaussing Equipment
Figure 10-12.--Type MDG automatic degaussing equipment.
Figure 10-13.--Block diagram for type MDG degaussing system.
MANUAL OPERATION
Gyro-controlled AUTODEG Equipment Operation
MARKING SYSTEM
Figure 10-14.--SSM automatic degaussing equipment.
Figure 10-15.--Block diagram for an SSM degaussing switchboard.
Table 10-3.--Degaussing Installation Markings
PREVENTIVE MAINTENANCE
Figure 10-7. - Degausing chart No. 1.
Figure 10-7. - Degausing chart No. 2.
CHAPTER 11 - CATHODIC PROTECTION
CHAPTER 11 - CATHODIC PROTECTION - Continued
CATHODIC PROTECTION
Figure 11-2.-Electrochemical corrosion cell.
Figure 11-3.--Stray-current corrosion.
Table 11-1.--Advantages and Disadvantages of Sacrificial Anodes
Figure 11-5.--Magnetic amplifier controller Mod III.
Figure 11-6.--Anode assembly.
Figure 11-7.--Reference electrode assembly.
Figure 11-8.--Shaft grounding assembly.
HULL POTENTIAL SETTING OF SHIPS IN SEAWATER
Figure 11-9A.--Cathodic Protection Log (front).
Figure 11-9B.--Cathodic Protection Log (back).
ICCP Maintenance
CHAPTER 12 - VISUAL LANDING AIDS
Figure 12-1.--Typical VLA installations with flight deck and hangar on 0-1, dual landing approach.
Figure 12-3.--Stabilized glide slope indicator system
Figure 12-4.--Electronic enclosure assembly.
Figure 12-6.--Block diagram-stabilization circuits.
Figure 12-8.--Component panel assembly.
Figure 12-9.--Stabilization control circuits--signal flow.
Figure 12-11.--Remote control panel assembly.
Figure 12-12.--Hydraulic pump assembly.
Figure 12-13.--A. Glide slope Indicator; B. Lamp house assembly; C. Temperature control section.
Figure 12-15.--Function diagram of the stabilized platform assembly.
Figure 12-16.--Stabilized glide slope indicator--block diagram
Figure 12-18.--Vertical gyro--line schematic diagram.
FORWARD STRUCTURE/DECK SURFACE FLOODLIGHTS
Figure 12-20.--Flash sequencer panel and timer assembly.
Figure 12-21.--Wave-off light system.
Figure 12-24.--Wave-off light system.
Figure 12-25.--Lighting control panel.
figure 12-26.--Simplified line diagram of the lighting control panel.
Figure 12-28.--Motor-driven remote variable transformer circuit diagram.
MAINTENANCE REQUIREMENTS
CHAPTER 13 - ENGINEERING PLANT OPERATIONS, MAINTENANCE, AND INSPECTIONS
OPERATING RECORDS
Figure 13-1.--Engineering Log--all ships.
Figure 13-2.--Engineer's Bell Book, NAVSEA 3120/1.
Figure 13-3.--Maintaining the Engineer's Bell Book
Figure 13-4.--Fuel and Water Report (front).
Figure 13-5.--Fuel and Water Report (back).
Figure 13-6.--Monthly Summary of Fuel and Steaming Hours Report, CINCLANTFLT Report 3100-4.
Figure 13-7.--Electrical Log--Ship's Service Electric Plant.
Gyrocompass Operating Record
Figure 13-8.--Sample Engineering Officer's Night Orders.
Figure l3-9.--Steaming Orders (sample).
DISPOSAL OF ENGINEERING RECORDS AND REPORTS
Table 13-1.--Summary of Situation Reports
PREVENTIVE MAINTENANCE SYSTEM (PMS)
Figure 13-11.--Quarterly PMS Schedule.
Figure 13-12.--Weekly PMS Schedule.
Figure 13-14.--Recommended format for the job control number log.
Figure 13-15.--Ship's Maintenance Action Form, OPNAV 4790/2K.
Figure 13-16.--Supplemental Form, OPNAV 4790/2L.
Figure 13-17.--Automated Ship's Maintenance Action Form, OPNAV 4790/20.
ESTIMATING WORK
ADMINISTRATIVE INSPECTIONS
General Inspection of the Ship as a Whole
OPERATIONAL READINESS INSPECTION
MAINTENANCE OF RECORDS AND LOGS
PREPARATION OF A BATTLE PROBLEM
ANALYSIS OF THE BATTLE PROBLEM
Figure 13-19.--Observer's checklist.
Preparation for the Material Inspection
Opening Machinery for Inspection
BOARD OF INSPECTION AND SURVEY INSPECTION (INSURV)
Full Power and Economy Trials
Underway Report Data
Manner of Conducting Trials
NOISE POLLUTION INSPECTIONS
THE CHIEF OF NAVAL EDUCATION AND TRAINING
WORK CENTER SUPERVISOR
CHAPTER 14 - ENGINEERING CASUALTY CONTROL
ENGINEERING CASUALTY CONTROL EVALUATION TEAM (ECCET)
ENGINEERING OPERATIONAL SEQUENCING SYSTEM (EOSS)
Engineering Operational Procedures (EOP)
Figure 14-1.-Sample plant procedure chart.
Figure 14-2.-Sample plant status diagram.
Figure 14-3.--Sample preferred alignment diagrams.
Figure 14-4.-Sample training diagram.
Figure 14-5.--Casualty control board.
Figure 14-6.-Sample component/system alignment diagram.
CASUALTY CONTROL ORGANIZATION
Casualty Control Board
Figure 14-7.--Navy standard damage control symbology.
Figure 14-8.--Navy standard damage control symbology. - Continued
Figure 14-9.--Navy standard damage control symbology--Continued.
Figure 14-10.--Preprinted message format.
Failure of Forced Draft Blower
ENGINE ROOM CASUALTIES
ELECTRIC PLANT CASUALTIES
DIESEL ELECTRIC DC DRIVE (FLEET TUG) CASUALTIES
DAMAGED CABLE AND EQUIPMENT
Figure 14-12.--Normal stop modes.
Figure 14-13.--Emergency stop modes.
GAS TURBINE GENERATOR CASUALTIES
Loss of Lube Oil Pressure to the Gas Turbine Generator
Class B Fire in the Gas Turbine Module
Class B Fire in the Gas Turbine Module - Continued
APPENDIX I - GLOSSARY
APPENDIX I - GLOSSARY - Continued
APPENDIX I - GLOSSARY - Continued
APPENDIX I - GLOSSARY - Continued
APPENDIX I - GLOSSARY - Continued
APPENDIX I - GLOSSARY - Continued
APPENDIX I - GLOSSARY - Continued
APPENDIX I - GLOSSARY - Continued
APPENDIX II - REFERENCES USED TO DEVELOP THIS NRTC
APPENDIX II - REFERENCES USED TO DEVELOP THIS NRTC - Continued
APPENDIX II - REFERENCES USED TO DEVELOP THIS NRTC - Continued
APPENDIX II - REFERENCES USED TO DEVELOP THIS NRTC - Continued
APPENDIX II - REFERENCES USED TO DEVELOP THIS NRTC - Continued
APPENDIX III - ELECTRICAL SYMBOLS
APPENDIX III - ELECTRICAL SYMBOLS - Continued
APPENDIX III - ELECTRICAL SYMBOLS - Continued
APPENDIX III - ELECTRICAL SYMBOLS - Continued
APPENDIX III - ELECTRICAL SYMBOLS - Continued
APPENDIX III - ELECTRICAL SYMBOLS - Continued
APPENDIX III - ELECTRICAL SYMBOLS - Continued
SOURCES OF INFORMATION
BLUEPRINTS AND DRAWINGS
ELECTRIC SHOCK HAZARDS AND PRECAUTIONS
Figure 1-1.--Safety posters.
Figure 1-1.--Safety posters. - Continued
LEAKAGE CURRENTS
Real Ungrounded Systems
Figure 1-2.--DANGEROUS! BEWARE! Shipboard ungrounded electrical distribution systems are DEADLY.
SAFETY SHORTING PROBE
Figure 1-3.--Approved safety shorting probe.
ISOLATED RECEPTACLE CIRCUITS
Figure 1-4.--A typical electric workbench.
Figure 1-5.--Installation of grounding cable for electric workbench.
Figure 1-7.--Instructions for rescuing personnel in contact with energized circuits.
FIGHTING AN ELECTRICAL FIRE
REPAIR PARTY ELECTRICIAN
Figure 1-8.--DANGER HIGH VOLTAGE sign.
Figure 1-9.--Pushing a victim away from a power line.
Figure 1-10.--Instructions for administering CPR.
Figure 1-12.--Interlocking fingers to help keep fingers ON the chest Wall.
Figure 1-13.--Pressure points for control of bleeding.
Figure 1-14.--First-, second-, and third-degree burns.
HEARING CONSERVATION AND NOISE ABATEMENT
Figure 1-16.--Hazardous noise warning decal.
PAINTS AND VARNISHES
STEEL WOOL AND EMERY CLOTH/PAPER
Figure 1-17.--Cathode-ray tube base structure.
Figure 1-19.--DANGER tag (colored RED).
ADMINISTRATION, SUPERVISION, AND TRAINING
Figure 1-20.--Handle-locking devices for circuit breakers.
Figure 1-21.--Typical engineering departments.
ASSISTANTS TO THE ENGINEER OFFICER
ACCOUNTABILITY
Personnel Qualification Standards (PQS)
SUMMARY
CHAPTER 2 - ELECTRICAL INSTALLATIONS
TYPES AND SIZE DESIGNATIONS OF CABLES
Table 2-1.--Low-Smoke Cable Identification
Table 2-2.--Cable Classifications
Figure 2-2--Construction of flexible RF transmission line.
RADIO-FREQUENCY COAXIAL CABLES
Installing the Cables
Figure 24.--Representative nylon stuffing tube installations
Figure 2-5.--Protecting cable ends.
Figure 2-5.--Protecting cable ends. - Continued
Figure 2-6.--Wire strippers.
Table 2-3.--Color Code for Power and Lighting Cable Conductor
Figure 2-9.--Lacing procedure.
Figure 2-11.--The loop method of terminating the lace.
Figure 2-13.--Serving conductor ends.
Temperature Effects on Insulation.
Figure 2-14.--Measuring insulation resistance of a lighting circuit.
Figure 2-15.--Measuring insulation resistance of a power circuit.
Figure 2-17.--Nomograph for obtaining resistance per foot.
Figure 2-18.--Casualty power cable--old method of serving.
Figure 2-19.--Method of securing a copper ferrule to a conductor.
Figure 2-20.--Casualty power cable ends.
Figure 2-23.--Shore-power station and receptacle assembly
Figure 2-25.--Phase-squence indicator.
Figure 2-27.--Cable clamps.
Figure 2-28.--Representative nylon stuffing tube installations
Figure 2-29.--Nylon stuffing tube grounded installation.
Figure 2-30.--Single cable strap application.
MANUALLY OPERATED CONTACTS
ELECTRICALLY OPERATED CONTACTS
Figure 2-36.--A float switch tank installation.
PRESSURE AND TEMPERATURE SWITCHES
Figure 2-39.--A pressure-operated switch.
PILOT CONTROL DEVICES
Figure 2-41.--A magnetic overload relay.
Figure 2-42.--Two ac overload relays.
Figure 2-43.--An adjustable thermal overload relay and a reset magnet assembly.
Figure 2-44.--A coil and disk arrangement of an ac reverse-power relay.
Figure 2-45.--Schematic wiring diagram of an ac reverse-power relay.
Figure 2-46.--Mechanical construction of an dc reverse-current relay.
Figure 2-19.--Schematic wiring of a phase-failure relay.
Figure 2-50.--Type ACB circuit breaker.
Figure 2-51.--AQB-A250 circuit breaker complete, front view
Figure 2-52.--AQB-A250 circuit breaker complete front view, with cover and arc suppressor removed.
Figure 2-53.--AQB-A250 trip unit; (a) with shunt trip and auxiliary unit; (b) with undervoltage release and auxiliary switch.
Figure 2-54.--AQB-A250 circuit breaker, rear view, with terminal mounting blocks.
Figure 2-56.--Complete circuit breaker, front view, with fuse unit removed.
Figure 2-58.--NQB-A250 circuit breaker, front view with cover removed.
CHECKING CIRCUIT BREAKERS
SELECTIVE TRIPPING
Figure 2-59.--Selected tripping of circuit breakers.
TYPES OF RECEPTACLES
ELECTRICAL EQUIPMENT ABOARD SHIP
TESTING ELECTRICAL EQUIPMENT
SUMMARY
CHAPTER 3 - ELECTRICAL DISTRIBUTION SYSTEMS
Figure 3-1.--Power distribution in a large combatant ship.
Figure 3-2.--Power distribution in a gas turbine powered DDG.
Figure 3-4.--A pictorial view of the A-2 ABT.
Figure 3-5.--Schematic diagram of the A-2 ABT.
Figure 3-7.--1SA Ship's service switchboard
Figure 3-8.--1SB Ship's service switchboard.
Figure 3-9.--Rear view of a switchboard showing bus bars and disconnect links.
Figure 3-11.--Electric plant control console (EPCC).
Figure 3-12.--EPCC showing distribution and system status and control sections.
TYPES OF AC GENERATORS
Figure 3-14.--Essential parts of a rotating-field generator.
Figure 3-15.--An ac generator: A. Brush type. B. Brushless type.
Figure 3-16.--Low-speed, engine-driven ac generator.
Figure 3-18.--Model 104 gas turbine generator set.
Figure 3-21.--Three-phase, ac generator showing neutral connection
Figure 3-23.--Waves and vectors of alternating current and voltage in a circuit containing only resistance.
Figure 3-25.--Waves and vectors of alternating current and voltage in a circuit containing only capacitance.
Figure 3-27.--Vector analysis of voltage in series aiding and opposing.
Figure 3-28.--Three-phase delta/connected system.
MEASUREMENT OF POWER
GENERATOR CHARACTERISTICS
Figure 3-30.--The ac generator voltage characteristics.
Armature Reaction
Figure 3-31.--Types transformer construction.
Figure 3-32.--Single-phase transformer.
Figure 3-33.--Constant-potential transformer.
VOLTAGE AND CURRENT RELATIONSHIPS
Figure 3-34.--Single-phase transformer connections.
Figure 3-35.--Delta-connected transformer secondaries.
Figure 3-36.--Change connections.
Figure 3-38.--Wye-wye transformer connections.
Figure 3-39.--Delta-wye transformer connections.
Figure 3-41.--Polarity markings for large transformers.
Figure 3-43.--Bus tie connections on 400-hertz ship's service system.
RIGGING CASUALTY POWER
Figure 3-45.--Rear of switchboard showing casualty power terminal.
UNRIGGING CASUALTY POWER
RIGGING SHORE POWER
PHASE-SEQUENCE INDICATOR
CHAPTER 4 - SHIPBOARD LIGHTING
Figure 4-1.--Lighting distribution system.
Figure 4-2.--Block diagram of lighting distribution system.
Figure 4-3.--Delta-delta transformer connections.
Figure 4-5.--Classification of lamps according to the shape of the bulb.
Figure 4-6.--Classification of lamps according to the type of base.
Table 4-3.--Description of Intermediate Lamps
Figure 4-7.--Lamp sockets.
Figure 4-8.--Fluorescent lamps with auxiliary equipment.
Table 4-7.--Energizing a Fluorescent Lamp with a Glow-switch Starter
Figure 4-9.--Fluorescent fixture three-phase connections.
LOW-PRESSURE SODIUM LAMPS
Figure 4-12.--Lighting fixtures.
Figure 4-13.--Weatherdeck floodlights.
Figure 4-14.--A symbol 92.2 watertight fixture.
Figure 4-15.--General arrangement of lights for navigation.
Figure 4-16.--Arc of visibility for navigation lights.
Figure 4-17.--Navigation light fixtures, lamps, and lenses.
Forward and After Masthead Lights
Constrained by Draft Lights
Testing Navigation Lights
Figure 4-9.--Summary of Navigation Lights
Figure 4-20.--Supply, control, and telltale panel, symbol 969.1.
Figure 4-21.--Running light, supply, control, and telltale panel schematic diagram.
Figure 4-22.--Dimmer control panel, symbol 989.
Figure 4-23.--Constrained by draft and/or task light fixtures.
Figure 4-24.--Station marker box, symbol 285.
Figure 4-26.--Blinker light fixture.
Figure 4-27.--Multipurpose signal light, symbol 106.1.
Figure 4-28.--An 8-inch, 60-hertz, sealed-beam searchlight.
Figure 4-29.--A 12-inch incandescent searchlight.
Figure 4-30.--A 12-inch incandescent searchlight converted to use a mercury-xenon arc lamp.
Figure 4-31.--Wiring diagram for an early model 12-inch mercury-xenon arc searchlight.
XENON AND MERCURY-XENON ARC LAMPS
Figure 4-32.--Wiring diagram for a 12-inch mercury-xenon arc searchlight.
Figure 4-33.--Light trap.
Figure 4-34.--Special lights.
Hand Lanterns
Table 4-10.--State of Charge of Portable Flood Lanterns
Figure 4-35.--Small boat and service craft lights.
SUMMARY
CHAPTER 5 - ELECTRICAL AUXILIARIES
SPECIFIC GRAVITY
Figure 5-2.--Type-B hydrometer.
CAPACITY OF BATTERIES
TYPES OF BATTERY CHARGES
Battery Equalizing Charge
TREATMENT OF ACID BURNS
OPERATION OF THE 24-302-BN-1 BATTERY CHARGER
SMALL CRAFT ELECTRICAL SYSTEMS
Figure 5-5.--Starting motor with an overrunning clutch drive and a solenoid-operated switch.
Figure 5-6.--Solenoid switch diagram.
LP AIR COMPRESSOR
Figure 5-6.--A typical low pressure air compressor.
COMPRESSOR DISCHARGE THERMOMETER
Figure 5-9.--Air compressor schematic diagram.
Figure 5-9.--Air compressor schematic diagram.
Automatic Operation
Injection Water Level Control
HIGH AIR DISCHARGE TEMPERATURE
REFRIGERATION AND AIR-CONDITIONING SYSTEMS
Table 5-3.--Switches, Relays, Contactors, and Indicating Devices of Refrigeration Equipment
Figure 5-10.--Refrigeration plant wiring diagram.
Figure 5-11.--80-ton compressor unit assembly.
OIL PRESSURE SAFETY SWITCH
Figure 5-12.--80-ton air-conditioning compressor wiring diagram.
PENDULUM WINDOW WIPER
Figure 5-13.--Pendulum window wiper.
Figure 5-14.--Control box assembly.
Figure 5-16.--Window wiper schematic.
Figure 5-17.--Block diagram of ultrasonic cleaner.
Figure 5-18.--Vent fog precipitator.
Figure 5-19.--Vent fog precipitator wiring diagram.
Figure 5-20.--A simplified representative winch.
Electric-Hydraulic Anchor Windlasses
Figure 5-21.--Anchor windlass.
Figure 5-22.--Reversing across-the-line starter for a two-speed anchor windlass.
OPERATION
ELEVATORS
ELECTRIC (ELECTROMECHANICAL) ELEVATORS
ELECTRIC (ELECTROMECHANICAL) ELEVATORS - Continued
Figure 5-23.--Schematic diagram of electric elevator automatic control selective from one station.
Figure 5-24.--Bomb elevator power plant and control scheme.
Figure 5-25.--Block diagram of electronic controlled elevator system.
Figure 5-26.--A static logic panel at the sixth level for a cargo elevator.
Figure 5-27.--AC magnetic reversing controller for a two-speed, two-winding motor for a cargo elevator.
Figure 5-28.--Schematic diagram of a proximity limit switch.
UNDERWAY REPLENISHMENT SYSTEM
Figure 5-30.--UNREP system equipment used to move a missile from storage to the receiving ship.
Highline Winch and Ram Tensioner
Figure 5-32.--Parts of the inhaul/outhaul winch.
Figure 5-33.--Top view of AE UNREP system (view looking aft).
Figure 5-34.--Reciving unit.
Figure 5-35.--Control console on a receiving ship.
Figure 5-36.--Carriage return hydraulic power unit: A. Back of unit: B. Front of unit.
Transfer Signal Holdup Light
Figure 5-38.--Wiring diagram of an electric forklift.
DRIVE MOTOR AND CONTROLLER
ELECTROHYDRAULIC STEERING GEAR
Figure 5-39. - Steering gear room (perspective view)
Figure 5-40.--Steering gear room (plan view).
Figure 5-41.--Ship control console (front view).
Hydraulic Power Unit Control System
Figure 5-42.--Steering gear functional block diagram.
ELECTRIC GALLEY EQUIPMENT
Figure 5-45.--M-series convection oven.
Figure 5-46.--Wiring diagram of M-series oven.
Figure 5-48.--Electric griddle wiring diagram.
Figure 5-50.--Wiring diagram of the Mk 721 deep fat fryer.
Figure 5-51.--A typical washer-extractor installation.
Figure 5-52.--A typical automatic control timer.
Figure 5-53.--Programmed formula chart.
Figure 5-54.--Wash drive train.
OTHER LAUNDRY EQUIPMENT
CHAPTER 6 - MOTOR CONTROLLERS
Figure 6-2.--Schematic of an ac primary resistor controller.
Figure 6-6.--Schematic of a reversing ac controller
Table 6-1.--AC and DC Controller Sizes
Figure 6-9.--Detailed view of arcing contacts.
Figure 6-10.--Action of a magnetic blowout coil.
Figure 6-11.--AC contactor.
Figure 6-12.--Schematic of a simple LVP controller.
Figure 6-14.--Two-speed, ac controller.
Figure 6-15.--A two-speed de controller with shunt field rheostat.
Figure 6-16.--Reversing ac controller.
Figure 6-17.--Reversing dc controller.
Figure 6-19.--Autotransformer controller.
Figure 6-20.--A typical dc controller.
Figure 6-23.--OR symbol and circuit.
Figure 6-24.--Basic logic circuit.
Figure 6-25.--A static logic panel for a cargo elevator.
EMERGENCY RUN FEATURE
Figure 6-26.--Schematic of controller with emergency run push button.
JAMMING (STEP BACK) PROTECTION
Table 6-10.--Troubleshooting Chart
Table 6-10.--Troubleshooting Chart - Continued
Figure 6-29.--Typical three-phase controller.
Figure 6-30.--Troubleshooting a thee-phase magnetic line starter
CHAPTER 7 - MAINTENANCE AND REPAIR OF ROTATING ELECTRICAL MACHINERY
Figure 7-1.--Representative types of ball bearings.
Figure 7-3.--Grease-lubricated ball bearings.
RENEWAL OF GREASE BY DISASSEMBLING THE BEARING HOUSING
Grease-Lubricated Ball Bearings
Figure 7-7.--Removing seized inner ring of bearing.
Figure 7-8.--Cracking seized inner ring of bearing.
Figure 7-9.--Diagram of an oil-lubricated bearing.
Figure 7-10.--Brush holder and brush rigging assembly.
Figure 7-12.--Method of sanding brushes.
Figure 7-13.--Detail of brush rigging with sandpaper in position.
SETTING ON NEUTRAL
TRUING COMMUTATORS AND COLLECTOR RINGS
Collector Ring Circularity
Figure 7-16.--Commutator dressing stone tool.
Figure 7-17.--Truing a commutator by turning.
Figure 7-20.--Example of good and poor undercutting.
Figure 7-21.--Typical ac motor.
Figure 7-22.--Typical dc Motor.
Figure 7-23.--Marking a motor frame and end bell.
Figure 7-25.--Squirrel-cage rotor.
Table 7-4.--Satisfactory Insulation Resistances for ac Motors and Generators (Other than Propulsion)
Figure 7-28.--Balanced current test for shorted phase.
Table 7-5.--Satisfactory Insulation Resistance for dc Generators and Motors (except propulsion and auxlliary generators for submarines) Including Exciters
Figure 7-30.--Classfifcation or armature windings.
Figure 7-33.--Meaning of coil pitch in armature winding.
Figure 7-35.--Four-pole simplex wave windings.
Figure 7-38.--Portion of a six-pole simplex wave winding
Figure 7-41.--Checking armature shorts with a growler
Figure 7-43.--Measuring commutator out-of-round with a dial indicator.
Table 7-6.--Classes of Insulation
Table 7-7.--Varnishing Procedures
Figure 7-46.--AC Dielectric test set.
Figure 7-48.--Representative surge test waveforms.
Figure 7-51.--A dc generator or motor data card.
Figure 7-52.--Winding armatures by hand.
REWINDING FIELD COILS
Figure 7-53.--Coil form for field coils.
THREE-PHASE STATOR TESTING AND REPAIR
Figure 7-59.--Placing coil sides in slots.
Figure 7-60.--Three-phase, four-pole, series-wye winding.
Figure 7-62.--Three-phase, four-pole, parallel-wye winding.
Figure 7-63.--Three-phase, four-pole, series-delta winding.
Figure 7-64.--Three-phase, four-pole, parallel-delta winding.
Testing Phase Current Balance
Figure 7-69.--Single-phase motor data card. (A) Front side; (B) back side.
Figure 7-70.--Single-phase, capacitor-start, inductor-run motor diagram.
Figure 7-73.--Generator equipped with an ailr cooler.
MOTOR AND GENERATOR AIR COOLERS
CHAPTER 8 - VOLTAGE AND FREQUENCY REGULATION
Table 8-1.--Standard Elctrical Characteristics for Shipboard Ac Power Systems
Figure 8-1.--Simplified voltage regulator circuit.
INDIRECT-ACTING RHEOSTATIC VOLTAGE REGULATOR
Figure 8-2.--Schematic diagram of direct acting voltage regulator installation.
Figure 8-3.--Control element of a direct-acting voltage regulator
Damping Transformer
Figure 8-5.--A Silverstat voltage regulator on an ac generator.
Cross-Current Compensator
ROTARY AMPLIFIER VOLTAGE REGULATOR
Figure 8-6.--Block diagram of an amplidyne voltage regulator system.
Figure 8-7.--Voltage-adjusting unit.
Figure 8-8.--Automatic control circuit.
Figure 8-9.--Three-phase response circuit.
Frequency Compensation
Figure 8-10.--Manual control circuit.
Figure 8-11.--Schematic diagram of amplidyne voltage regulator installation.
STATIC EXCITATION AND VOLTAGE REGULATION SYSTEM
Figure 8-12.--Elementary diagram of static excitation voltage regulator system.
Static Exciter
Figure 8-14.--Field-flashing circuit.
Figure 8-15.--Manual voltage control circuits.
Figure 8-16.--Final-stage magnetic amplifier.
Figure 8-17.--First-stage magnetic amplifier.
Figure 8-18.--Automatic voltage regulator.
Figure 8-19.-- Vector diagrams of reactive droop circuit-
SPR-400 LINE VOLTAGE REGULATOR
Figure 8-20.--SPR-4OO line voltage regulator.
SPR-400 LINE VOLTAGE REGULATOR - Continued
CLOSELY REGULATED POWER SUPPLIES
Figure 8-22.--Motor-generator set simplified block diagram.
Figure 8-23.--Static converter, front view.
Figure 8-24.--Static converter, simplified block diagram.
Figure 8-25.--No-break power supply, block diagram.
SYNCHRONIZING MONITOR
Figure 8-28.--Synchronizing monitor.
PHASE DIFFERENCE MONITORING CIRCUIT
Figure 8-29.--Block diagram of phase difference monitoring circuit.
Figure 8-32.--Input voltage to CR10 (180 out of phase).
Figure 8-33.--Block diagram of frequency difference monitoring circuit.
Figure 8-37.--Firing sequence for Q4.
Figure 8-38.--Firing sequence for Q3.
Figure 8-40.--Schematic diagram of voltage difference monitoring circuit.
SERVICING TECHNIQUES FOR TRANSISTORIZED CIRCUITS
CHAPTER 9 - ELECTROHYDRAULIC LOAD-SENSING SPEED GOVERNORS
Figure 9-1.--Electrohydraulic load-sensing governor system components.
Figure 9-2.--EG-M electrohydraulic systems.
Figure 9-3.--Electrohydraulic load-sensing governor system, block diagram.
Figure 9-4. - Schematic arrangement of the EG-R actuator
EG-R Hydraulic Actuator
Hydraulic Amplifier
Figure 9-5.--Hydraulic amplifier schematic diagram.
Hydraulic Amplifier - Continued
EG-M Control Box
Figure 9-7.--EC-M control box, simplified schematic.
SINGLE GENERATOR OPERATION
Figure 9-10.--Load signal box, simplified Schematic
Figure 9-11.--Comparison of load pulse signals to load changes
Figure 9-12.--EGB-2P governor actuator.
Actuator Control
Figure 9-13. - Schematic diagram EGB-2P governor/actuator
Governor Control
Speed Droop
Figure 9-14.--2301 load - and speed-sensing control.
2301 ELECTRIC GOVERNOR
Figure 9-15. - 2301 block schematic diagram
MAGNETIC PICKUP/SPEED SENSOR
Figure 9-16.--Amplifier schematic.
Figure 9-17.-Ramp generator schematic.
Figure 9-18. - Speed sensor schematic
Figure 9-19.--Speed sensor output voltage
Figure 9-20. - Lead sensor schematic
Figure 9.21--Equivalent single-phase circuit.
Figure 9-22.-Basic load sensor, single-unit configuration.
Figure 9-23.--Basic load sensor, parallel unit configuration.
MAINTENANCE
THE EARTH'S MAGNETIC FIELD
PERMANENT MAGNETIZATION
Table 10-1. - Measeurement of the Earth's Magnetic Field at Selected Locations Expressed in Microtesla
Figure 10-2.--Effect of the earth's magnetic field upon a ship.
SHIPBOARD DEGAUSSING INSTALLATION
Figure 10-4.--Magnetic field of a current-carrying coil.
Figure 10-9.--Longitudinal field of ship and neutralizing fields of F and Q coils.
MANUAL CURRENT CONTROL
TYPES OF AUTOMATIC DEGAUSSING SYSTEMS
Table 10-2.Description of Different Automatic Degaussing Equipment
Figure 10-12.--Type MDG automatic degaussing equipment.
Figure 10-13.--Block diagram for type MDG degaussing system.
MANUAL OPERATION
Gyro-controlled AUTODEG Equipment Operation
MARKING SYSTEM
Figure 10-14.--SSM automatic degaussing equipment.
Figure 10-15.--Block diagram for an SSM degaussing switchboard.
Table 10-3.--Degaussing Installation Markings
PREVENTIVE MAINTENANCE
Figure 10-7. - Degausing chart No. 1.
Figure 10-7. - Degausing chart No. 2.
CHAPTER 11 - CATHODIC PROTECTION
CHAPTER 11 - CATHODIC PROTECTION - Continued
CATHODIC PROTECTION
Figure 11-2.-Electrochemical corrosion cell.
Figure 11-3.--Stray-current corrosion.
Table 11-1.--Advantages and Disadvantages of Sacrificial Anodes
Figure 11-5.--Magnetic amplifier controller Mod III.
Figure 11-6.--Anode assembly.
Figure 11-7.--Reference electrode assembly.
Figure 11-8.--Shaft grounding assembly.
HULL POTENTIAL SETTING OF SHIPS IN SEAWATER
Figure 11-9A.--Cathodic Protection Log (front).
Figure 11-9B.--Cathodic Protection Log (back).
ICCP Maintenance
CHAPTER 12 - VISUAL LANDING AIDS
Figure 12-1.--Typical VLA installations with flight deck and hangar on 0-1, dual landing approach.
Figure 12-3.--Stabilized glide slope indicator system
Figure 12-4.--Electronic enclosure assembly.
Figure 12-6.--Block diagram-stabilization circuits.
Figure 12-8.--Component panel assembly.
Figure 12-9.--Stabilization control circuits--signal flow.
Figure 12-11.--Remote control panel assembly.
Figure 12-12.--Hydraulic pump assembly.
Figure 12-13.--A. Glide slope Indicator; B. Lamp house assembly; C. Temperature control section.
Figure 12-15.--Function diagram of the stabilized platform assembly.
Figure 12-16.--Stabilized glide slope indicator--block diagram
Figure 12-18.--Vertical gyro--line schematic diagram.
FORWARD STRUCTURE/DECK SURFACE FLOODLIGHTS
Figure 12-20.--Flash sequencer panel and timer assembly.
Figure 12-21.--Wave-off light system.
Figure 12-24.--Wave-off light system.
Figure 12-25.--Lighting control panel.
figure 12-26.--Simplified line diagram of the lighting control panel.
Figure 12-28.--Motor-driven remote variable transformer circuit diagram.
MAINTENANCE REQUIREMENTS
CHAPTER 13 - ENGINEERING PLANT OPERATIONS, MAINTENANCE, AND INSPECTIONS
OPERATING RECORDS
Figure 13-1.--Engineering Log--all ships.
Figure 13-2.--Engineer's Bell Book, NAVSEA 3120/1.
Figure 13-3.--Maintaining the Engineer's Bell Book
Figure 13-4.--Fuel and Water Report (front).
Figure 13-5.--Fuel and Water Report (back).
Figure 13-6.--Monthly Summary of Fuel and Steaming Hours Report, CINCLANTFLT Report 3100-4.
Figure 13-7.--Electrical Log--Ship's Service Electric Plant.
Gyrocompass Operating Record
Figure 13-8.--Sample Engineering Officer's Night Orders.
Figure l3-9.--Steaming Orders (sample).
DISPOSAL OF ENGINEERING RECORDS AND REPORTS
Table 13-1.--Summary of Situation Reports
PREVENTIVE MAINTENANCE SYSTEM (PMS)
Figure 13-11.--Quarterly PMS Schedule.
Figure 13-12.--Weekly PMS Schedule.
Figure 13-14.--Recommended format for the job control number log.
Figure 13-15.--Ship's Maintenance Action Form, OPNAV 4790/2K.
Figure 13-16.--Supplemental Form, OPNAV 4790/2L.
Figure 13-17.--Automated Ship's Maintenance Action Form, OPNAV 4790/20.
ESTIMATING WORK
ADMINISTRATIVE INSPECTIONS
General Inspection of the Ship as a Whole
OPERATIONAL READINESS INSPECTION
MAINTENANCE OF RECORDS AND LOGS
PREPARATION OF A BATTLE PROBLEM
ANALYSIS OF THE BATTLE PROBLEM
Figure 13-19.--Observer's checklist.
Preparation for the Material Inspection
Opening Machinery for Inspection
BOARD OF INSPECTION AND SURVEY INSPECTION (INSURV)
Full Power and Economy Trials
Underway Report Data
Manner of Conducting Trials
NOISE POLLUTION INSPECTIONS
THE CHIEF OF NAVAL EDUCATION AND TRAINING
WORK CENTER SUPERVISOR
CHAPTER 14 - ENGINEERING CASUALTY CONTROL
ENGINEERING CASUALTY CONTROL EVALUATION TEAM (ECCET)
ENGINEERING OPERATIONAL SEQUENCING SYSTEM (EOSS)
Engineering Operational Procedures (EOP)
Figure 14-1.-Sample plant procedure chart.
Figure 14-2.-Sample plant status diagram.
Figure 14-3.--Sample preferred alignment diagrams.
Figure 14-4.-Sample training diagram.
Figure 14-5.--Casualty control board.
Figure 14-6.-Sample component/system alignment diagram.
CASUALTY CONTROL ORGANIZATION
Casualty Control Board
Figure 14-7.--Navy standard damage control symbology.
Figure 14-8.--Navy standard damage control symbology. - Continued
Figure 14-9.--Navy standard damage control symbology--Continued.
Figure 14-10.--Preprinted message format.
Failure of Forced Draft Blower
ENGINE ROOM CASUALTIES
ELECTRIC PLANT CASUALTIES
DIESEL ELECTRIC DC DRIVE (FLEET TUG) CASUALTIES
DAMAGED CABLE AND EQUIPMENT
Figure 14-12.--Normal stop modes.
Figure 14-13.--Emergency stop modes.
GAS TURBINE GENERATOR CASUALTIES
Loss of Lube Oil Pressure to the Gas Turbine Generator
Class B Fire in the Gas Turbine Module
Class B Fire in the Gas Turbine Module - Continued
APPENDIX I - GLOSSARY
APPENDIX I - GLOSSARY - Continued
APPENDIX I - GLOSSARY - Continued
APPENDIX I - GLOSSARY - Continued
APPENDIX I - GLOSSARY - Continued
APPENDIX I - GLOSSARY - Continued
APPENDIX I - GLOSSARY - Continued
APPENDIX I - GLOSSARY - Continued
APPENDIX II - REFERENCES USED TO DEVELOP THIS NRTC
APPENDIX II - REFERENCES USED TO DEVELOP THIS NRTC - Continued
APPENDIX II - REFERENCES USED TO DEVELOP THIS NRTC - Continued
APPENDIX II - REFERENCES USED TO DEVELOP THIS NRTC - Continued
APPENDIX II - REFERENCES USED TO DEVELOP THIS NRTC - Continued
APPENDIX III - ELECTRICAL SYMBOLS
APPENDIX III - ELECTRICAL SYMBOLS - Continued
APPENDIX III - ELECTRICAL SYMBOLS - Continued
APPENDIX III - ELECTRICAL SYMBOLS - Continued
APPENDIX III - ELECTRICAL SYMBOLS - Continued
APPENDIX III - ELECTRICAL SYMBOLS - Continued
APPENDIX III - ELECTRICAL SYMBOLS - Continued
