Technicians Handbook - Historic Naval Ships Association

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• Be cautious when working in voids or unvented spaces.• Beware the dangers of working aloft. Never attempt to stop a rotating antenna manually.• Keep protective closures, fuse panels, and circuit breaker boxes closed unless you are actuallyworking on them.• Never bypass an interlock unless you are authorized to do so by the commanding officer, andthen properly tag the bypass.• Use extreme caution when handling cathode-ray tubes. They implode violently if broken. Theanode contact may have a residual electrical charge. Make sure you discharge the anode beforehandling.You can find additional and more detailed information on safety in the Electronics Installation andMaintenance Book (EIMB), General, NAVSEA SE000-00-EIM-100, paragraph 3-4. Another excellentreference source is the <strong>Naval</strong> Electronics Systems Command's Electronic Safety <strong>Handbook</strong>, E0410-AA-HBK-010/00K ELEXSAFE.FIRST AIDFirst aid is the emergency care you give to sick or injured persons. It consists only of providingtemporary assistance or treatment until medical help is available. In addition to knowing what to do for avictim, you should also know what not to do.This section should be used to reinforce the knowledge you already have about first aid. First aid isincluded in detail for the purposes of review, study, and ready reference.First aid study classes are usually available through your medical department or the American RedCross.Your knowledge of first aid measures and their proper application may mean the difference betweenlife and death, between rapid recovery and long hospitalization, or between temporary disability andpermanent injury.The objectives of first aid are to save life and prevent further injury. First aid is not a substitute,however, for proper medical treatment. Keep in mind the objectives of first aid. Everyone in the Navymust know when and how to apply first aid measures and must be prepared to give assistance to personsinjured in battle, collision, fire, or accidents.In administering first aid, you have three primary tasks:• Maintain breathing• Stop bleeding• Prevent or reduce shockThe first step, of course, is to determine the extent of the victim's injuries. When you treat a victim,first consideration usually must be given to the most serious injury. In general, the order of treatment is torestore breathing, stop bleeding, and treat for shock.Work quickly, but do not rush around frantically. Do not waste time looking for ready-madematerials; do the best you can with whatever is at hand. Send for medical help as soon as possible.1-2
Although each case involving injury or sickness presents its own special problems, the followinggeneral rules apply to practically all situations. Become familiar with these basic rules before you go on tofirst aid treatment for specific types of injuries.1. Keep the victim lying down, head level with the body, until you have found out what kind ofinjury has occurred and how serious it is. If the victim shows one of the following difficulties,however, follow the rule given for that specific problem:a. Vomiting or bleeding about the mouth and semi-consciousness. If the victim is in danger ofsucking in blood, vomited matter, or water, place the victim on his/her side or back with thehead turned to one side and lower than the feet.b. Shortness of breath. If the victim has a chest injury or breathing difficulties, place the victimin a sitting or semi-sitting position.c. Shock. If the victim is in shock, place the person on his or her back with the head slightlylower than the feet.2. Move the victim no more than is absolutely necessary. To determine the extent of the victim'sinjuries, carefully rip or cut the clothing along the seams. If done improperly, the removal of thevictim's clothing could cause great harm, especially if fracture injuries are involved. When theclothing is removed, ensure that the victim does not become chilled. Shoes may also be cut off toavoid causing pain or increasing an injury.3. The victim need not see the actual injury(ies). You can supply reassurance and make the victimmore comfortable by ensuring him or her that the injuries incurred are understood and medicalattention will be given as soon as possible.4. Do not touch open wounds or burns with fingers or other objects, except when sterile compressesor bandages are not available and it is absolutely necessary to stop severe bleeding.5. Do not try to give an unconscious person any solid or liquid substance by mouth. The personmay vomit and get some of the material into the lungs when he or she breathes, causing chokingand possibly death.6. If a bone is broken, or you suspect that one is broken, do not move the victim until you haveimmobilized the injured part. This may prove life saving in cases of severe bone fractures orspinal cord injuries, because the jagged bone may sever nerves and blood vessels, damagetissues, and increase shock. Of course, threat of fire, necessity to abandon ship, or other similarsituations may require that the victim be moved. But the principle that further damage could bedone by moving the victim should always be kept in mind and considered against other factors.7. When transporting an injured person, always see that the litter is carried feet forward no matterwhat the injuries are. This will enable the rear bearer to observe the victim for any respiratoryobstruction or stoppage of breathing.8. Keep the injured person comfortably warm — warm enough to maintain normal bodytemperature.Very serious and mutilating injuries may require heroic first aid measures on your part. However, thegreater the number of injuries, the more judgment and self-control you must exhibit to prevent yourselfand well-intentioned bystanders from trying to do too much.1-3
Page 1 and 2: SPECIAL PUBLICATIONSeptember 1998Na
Page 3 and 4: PREFACESpecial Publications (SPs) a
Page 5 and 6: TABLE OF CONTENTSCHAPTERPAGE1. The
Page 7 and 8: Module 11, Microwave Principles, ex
Page 9: Student CommentsCourse Title:NEETS
Page 14 and 15: Electric ShockElectric shock may ca
Page 16 and 17: In this situation, the immediate ad
Page 18 and 19: Lean or rock forward with elbows lo
Page 20 and 21: possible) over the wound and firmly
Page 22 and 23: (1) NEAREST THE WOUND and (2) BETWE
Page 24 and 25: Shock• Be sure you draw the tourn
Page 26 and 27: Liquids should be administered spar
Page 28 and 29: drinks or stimulants. Get the victi
Page 30 and 31: Figure 1-11.—RC time constants.Fi
Page 32 and 33: Ac current formulas are:Ohm's law f
Page 34 and 35: Parallel inductors without coupling
Page 36 and 37: Another way to calculate reactive p
Page 38 and 39: ResistanceRESISTANCE is the opposit
Page 40 and 41: Since:Transformer power:1-30
Page 42 and 43: WARNINGRf voltages may be induced i
Page 44 and 45: Alpha is always less than 1 for a c
Page 46 and 47: WavelengthCAUTIONBecause vacuum tub
Page 48 and 49: Minimum radar range = (pulse width
Page 50 and 51: Log or dBGain or mw11 12.510 109 88
Page 52 and 53: Table 1-1.—CB Style Capacitor Par
Page 54 and 55: Table 1-3.—CYR10 Style Capacitor
Page 56 and 57: Figure 1-16.—Ceramic capacitor co
Page 58 and 59: Table 1-4.—Principal Applications
Page 60 and 61: Figure 1-18.—Resistor color code.
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MilitaryspecificationMIL-R-39005MIL
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Figure 1-19.—Color code for trans
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Figure 1-21.—Transistor lead iden
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numbers and part numbers can be fou
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SizeTable 1-10.—Current-Carrying
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Jan TypeOverallDiameter (ins)Table
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Table 1-13.—MS Connector Identifi
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Figure 1-23.—Insert arrangements
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Figure 1-25.—Typical BNC connecto
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Figure 1-28.—Attaching HN connect
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Table 1-16.—N Series Connectors w
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Insulation, Heat Shrinkable Sleevin
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Table 1-19.—Shrinkable Tubing Par
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Table 1-21.—New Style Military Fu
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Conversion and Equivalent TablesTab
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Table 1-24.—Conversion Chart—Co
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Table 1-24.—Conversion Chart—Co
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Figure 1-33.—Electrical symbols.
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Figure 1-34.—Electronic/logic sym
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Figure 1-35.—Fiber optic symbols.
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Table 1-26.—Frequency Spectrum Us
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Joint Electronic Type Designation S
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Table 1-29.—Microcircuit Part Num
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Table 1-29.—Microcircuit Part Num
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CIRCUIT53MC54MC55MC56MC57MC58MC59MC
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CIRCUITQAQDQXRARDRW4SNSPTD1TD2TD5TD
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CIRCUIT4JZ5JZ6JZ7JZ8JZ9JZ10JZ11JZTa
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CIRCUITX29JX34JX40JX41JX42JX43JX44J
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Table 1-34.—Common LogarithmsN 0
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Table 1-35.─Trigonometric Functio
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Table 1-36.—Julian Date CalendarD
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Table 1-38.—Effects of Heat and H
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Table 1-40.—Old and New Specifica
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Remember to use the proper safety p
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Figure 1-38.—Computation of phase
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Figure 1-40.—Lissajous patterns f
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Figure 1-42.—Octopus schematic di
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Figure 1-46.—Combination displays
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• A military alteration that chan
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numbers. They can be easily convert
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support equipment. All aircraft equ
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Publications and DocumentsVarious p
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REFERENCESAfloat Shopping Guide, NA
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NEETS, Module 9, Introduction to Wa
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Technicians Handbook - Historic Naval Ships Association

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