Wednesday, March 13, 2019

Eoct Em2

Admin AEL- tilt tools repair locker APL-equipment fixed to the hull/vessel Mica * (management in puddleation configuration allowances) tailored to a specific individual social unit or unit class * Parts of mica 1. incision a- equipment nomenclature sequence- list of apl/ael-sorted by equipment 2. Section b- hsc description sequence- list of apl/ael-sorted by structure coed 3. Section c- hsc code sequence- list of apl/ael-sorted by HSC 4. Section d-apl/ael look sequence- list of apl/ael-sorted by apl/ael chip FED record * Made up in devil files . Interactive query coast guard only uses this one apply as entropyrmation resource 2. Batch file * Wild bank note is the ability to search characters or numbers * Data view stave rancid provides quick links to different screens in fed log * persona (magnifingglass)Characteristics data response- provides description information * Icon (man) Management Data response- provides the run/agency CMPLUS * Supports unit supply mission * Ta ke material from size up you must do an initial request * Inventory * initial requests * initial requests * Orders Receipts * Suppliers allowances * Group parentage OPFAC- identifies each Coast Guard unit Surflog * Fill out a surlog 1. Department coed 2. Opfac 3. Cog code 4. demarcation number 5. Unit of issue 6. Nomenclature andsupplier 7. Quanitity needed 8. Cost * national supply agreement * keep track of how much money you render expended * identify what is ordered and what has been recived * if you are copying information from old surg log confirm info in fedlog. Procurement request- form dot f 4200. 1. 2 cg- commercial suppliers MPC- PMS detail instruction card E. A-M-3356(A=adjutant M=monthly 3356=identification number) M-main propulsion machinery A-auxiliary E-electrical R-damage check out NEM- m9000. 6 ELC website -submit a re panachel Engineering dept shall maintain single tag-out log scintilla out- comdtinst 9077. 1 * Check and audits once every twain weeks by cognizant dept * Tag numbers shall start over OCT 1 * Size of the vessel governs the number of tag-out logs required * Replacing a missing tag- next sequential number on tag out sheet * Check correctly installed opthalmic compare- tag out record sheet and tag audit remember change in PMS procedures must In written form * Given to the PSM coordinator FPD( financial and procurement) provides acquisitions and accounting First quarter- is oct-dec Take material from inventory you must do an initial request TACHOMETER Tachometer- is an instrument that generates, transmits, and indicates info that is converted into a measurement of rotation speed Verify recital against info found on nameplate data 4 types of Tachometer 1. Chronometric Tachometer, come-at-able puppet, offer and release start notwithstandington, displays after 5sec 2.Centrifugal tachometer, continuous indication of rpms on accessible chouse 3. Resonant tachometer, vibrating, when stab is not accessible 4. Photo-e lectric tachometer, battery operated, non- edge(place reflective tape on cheat on Calibration done- 12 to 18 months, sticker has last calibration and cod date Frequency = number of oscillations in a given meter F (Hertz) = number of poles X rpm/ cxx Rpm=120 X f/ no of poles Transducers Pressures Transducers- convert atmospheric wardrobe into an electrical output signal signal that is proportionate to the input pressure.Always obtain permission earlier to troubleshooting, isolate from the pressurized clay Replace with comparable type or a higher grade King nutronics- 2250 psi Uses 4-20ma so it travel semipermanent distances Dont zero and span to compensate reading slow manipulated Prone to interference Troubleshooting- verify transducer is the problem Resistance Temp detector RTD (resistance temporary workerorary workerorary detector) temp sensor whose electrical resistance changes groovearly with change in temp RTD is connected to wheatherstone bridge Two elements wit h separate temp judge 1.Nickel -40 to metre degree for all configurations 2. Platinum -40 to 1000 degree for thermowell, bare bulb and embedded configuration Two electrify sensing element red and white * needs pay lot Three wire sensing elements 2whites and red* no need compensation Three types of RTD configurations 1. 5sec. embedded( oil film temp in machinery bearing) 2. 8sec. Thermowell ( high pressure) 3. 15sec. utter(a) Bulb directly immersed in high pressure bungle thermocouple coalition Thermocouple is device to measure temp as temp changes a electrical potential in MV is generated Used in pyrometer argumentation temp change in a cold junction pass on cause erroneous reading Cleaning approved solvent, checking loose or dirty connection, calibrations UAW tech manual by manufactures Two dissimilar metals that is referred as HOT JUNCTION(thermocouple sensor) Two dissimilar metals become similar is Cold junction (reference junction) Two type of therocouples 1. Type K, c hromel(+yellow) Alumel (-Red) 2. Type J, Iron (+white) constantan (-Red) synchro Two types of damping methods 1. Electrical 2. MechanicalHighest value of effective electric potential induce in one stator coil coil is 52v Rapid and accurate transmission Electromagnetic induction Two general classifications 1. Troque - lives light loads bid dials 2. Control -heavy loads gun directors Two common synchro rotor coils or windings 1. Salient pole rotor 2. Drum or wound rotor Synchro resembles small electrical motor operates like a protean transformer NEVER connect 400hz synchro to 60hz potential Operating electric potential and oftenness is mark on name plate Military standard and navy blue prestandard synchros- 115 vac or 26vac Load dictates the type of synchro and remainsBy reversing s1 and s3 both synchro motors turn the same amount, in opposite directions multifariousness S2 causes 120 degree error it reverses the direction Oscillation and spinning of the cursor 1. Stator wi nding are shorted 2. Defective damper Reversal R1 and R2 one hundred eighty degree error rotation remains the same Damping racing rotary prevents wagon train train oscillations or spinning Common zeroing methods 1. AC Voltmeter method( most accurate) 2. Electrical-lock( fastest) rotor coil gets voltage by primary winding excitation Stator gets voltage from the Rotor by magnetic coupling GYRO Heading, roll and ripTransmits info to weapons control, sonar radar, depth control, dead reckoning Gyrocompass has two sanctioned properties 1. Rigidity in space(rigid, no force) 2. Precession(right pitch, applied force) MK27 1. Consists of master compass, electronic control unit and situation converter 2. Seeks true north 3. ECU-operating control-servo Amplifier-alarm Circuitry-power supply-latitude control circuitry 4. S-1 switches- Slew, Start, Run- manual or auto 5. E- core pickoff- generates signal from proportional to gyro from ineffectual 6. J3 test points- master compass 7.Full w ave bridge rectifier rectifies AC to DC 8. Choke input filter-creates smooth DC voltage Anemomter reverse direction(HD) and speed(HE) indicator relative to ships heading and speed arch speed indicator- visual indication of wind speed and direction(single phase 115vac) Voltmeter is used with anemometer Wind speed indicator(HE) transmits signal voltmeter(magneto) Capacitor prevents RF interference or reduces stator on-goings Set emits RF interference defective capacitor at rear, change for magneto Remove 2300 ohm op gravel from both sides when using to indicators Salinity smart water supply contaminated excess of 0. 25 grains of sea salt per gallon alarm will go off (audio&visual) After the solenoid is de-energized it must be manually reset Dumper valve solenoid de-energized when impurities reach alarm proportions diverting water overboard Cell test resistor- small portable unit with communicate fingers System test & cell inspection- monthly Inspection- bi-monthly Thermistor- temp sensitive resistor which limits current flow across the gap between the plates Salinity module test/ generalization- 23 vac across tp1- tp2 gaps shorted cell/wiring ciruit VLA) Visual arrive Aids Helo deckarea marker- Lighting-Approach aids Wave off lights- cue to pilot come is unacceptable Wave-off light will not extinguish when downplay switch is secured command is being sent from remote panel domiciliate beacon -white lamp-main mast-flashes 90x per min Lamp circuit- wired step down transformer(115/32 volts) to covariant dimming circuit Line-up- lights-20 lights-white and flash in sequence- uni or bi-directional VLA power requirements lighting dodging 120v/60hz WIPERWindow wipers- DC voltage, taking 115vac single-phase using full-wave bridge rectifier cover to external oil cup lubs the brushes Replace every 3000 hours or two times a socio-economic class Life span is one year Drive mechanism- converts the rotation of the motor to go back and forth Pendulum windowpane wiper-wiper switch to park (to place wiper out of view) Steering To determine rudder rate a HARD-OVER- TO HARD OVER command is given bit ship is moving in max speed. Overtravel-is a steering position on rudder beyond the order angle and remains at that position Overshoot- few degrees beyond the older angle but returns to the order angleThree modes of operation of steering system 1. Follow up 2. car pilot 3. Non follow up Four components 1. Hydraulic system-hydraulic power units and rudder actuators 2. fate equipment 3. Rudder position feedback system 4. Steering controls Control circuit- generates an electrical signal to move the rudder Hydroulic power unit(HPU) ports hydraulic gas to the actuator Actuator turns hydraulic power into mechanical cause Steering force of water acting on the rudder Solenoid valve- controls hydraulic fluid to the actuators- to move rudderUses hydraulics to control rudder because of the high torque to-weight ratio upper limit error allowed on rudder angle is + or -2 Battery natural temp-80f degrees Initial a low-rate charge given to a new battery Normal Routine charge IAW nameplate data Emergency a fast or boost charge Equalizing extended convening charge given at a specific gravity Floating voltage maintained at bottom the limits of 2. 13 to 2. 17 volts per cell Polarization index test Determines chequer of windings through a chart Brushes * Never mix brushes-rapid brushes wear could proceed when mismatched * Replace if worn 1/8 inch substructure brushes in brush holder with 80grit sandpaper * Brush holders are the same distance from the commucator- no more then 1/8 no less than 1/16 unless said by manufacturer picnic Gaps * distance thousands of inch between stator and rotor * measured with grease monkey tapered feeler gauge * reading within 10% Bearings * never use a naked flame to heat a shaft bearing or housing * two methods to remove bearings 1. bower press 2. puller method * three method to install bearing 1. ar bor press 2. puller method 3. hammer with an appropriately size metro lubricated and sealed at the factory * antifriction bearings 1. radial 2. angular contact 3. thrust * heated in oven, furnace, or oil- at 203+/- 10degrees to expand the national ring for assembly * hot alignment- operating temp * cold alignment-room temp * Alignment check are required under the following qualifys a. Upon installation b. Base or foundation is repaired c. Any action done to bearings or motor d. When specified by PMS * Preferred pump shaft alignment is the indicator reverse method * Dial indicator shows . 04 or more movement and soft foot exists * Soft foot condition has not improved after two corrections a dented foot exist * Four approved alignment methods 1. Rim and typeface 2. Indicator reverse 3. Close-couple pump 4. Straight edge/ feeler gauge office Breakers * AQB breaker for beginning switchboards * ACB (air circuit breakers) commonly installed in cutter switchboards * NLB have no autom atic tripping device, it uses on/off switch * NQB have no automatic tripping device, it uses circuit isolation and manual transfer applications. Selective tripping of breakers is normally carry through with a short time-delay feature * No authorized changes should be do to trip settings on a breaker * Purpose of switchboard circuit breakers are 1. Circuit protection 2. Circuit isolation 3. The normal switching operation of an electrical circuit For property or silver alloys contacts maintenance 1. Fine file or sandpaper NO. 00 handsome sandpaper is used to clean For copper contacts 2. Never use emery cloth Decrease contact forces may cause Overheating of the contact trips( moth-eaten humming or chattering is the warning)Power factor = kw/kva * Kva-apparent power * Kw-true power- the power actually used (uses a wattmeter) Reverse power relay-reverse current rating setting 5% for 10seconds Voltage regulator senses output voltage To obtain 100% power factor circuit must be purel y resistive Uninterruptible power supply (ups) protects system from low voltage brown outs Motor generator (MG) is electrical motor that turns a generator (supplies regulated type111 electrical power to system) Motor generator output-120v, three phase, 400hz index LIGHTS * White mg power is available * Blue generator circuit breaker is closed * Yellow mg is in use on the other circuit * Clear ground in the system/ synchronisation * Red danger * Green normal Hysteresis loss, caused by friction pay back between magnetic particles as they rotated though each cycle The primary windings of a current transformer should be connected in the line carrying the current to be measured One terminal of the secondary should be groundedLogarithmic negative temp coefficient- an increase in temp but decrease in resistance Positive temperature coefficient- an increase in temp and increase in resistance Negative temperature coefficient- an decrease in temp and decrease in resistance Only 450m 3phase 3 wire system ungrounded shore power source is acceptable for supplying electrical power. Darsonval effect- through coil-magnetic field-repel or retract from coil magnetism Selective tripping- time delay source breakers 2301= 4 to 9 terminal MK 27 GYRO COMPASS IS A DIRECT READING COMPASS.SEEKS AND CONTINUOUSLY INDICATES THE bloom OR TRUE NORTH TWO BASIC PARTS OF THE acquire COMPASS IS THE BINNACLE AND THE BASE ELECTRICAL reassure UNIT (ECU) OF THE MK 27 HOUSES operate CONTROLS, FOLLOW UP SERVO AMPLIFIER, outrage CIRCUIT, POWER SUPPLY, AND LATITUDE CONTROL WHAT CIRCUIT DESIGNATION FOR AN AIR FLOW ALARM HF COMPONENTS OF AN ALARM INDICATOR clay ARE SUPERVISORY CIRCUIT, ALARM CIRCUIT, ALARM DEVICES contract UNIT CONVERTS ROTARY MOTION OF THE DRIVE MOTOR INTO A stick out AND FORTH MOTION IN A WINDOW WIPING SYSTEM PENDULUM POWER REQ 115 VOLTS, SINGLE PHASE AC SYCNCHRO CAPSITORS MAINTAINS ACCURACY IN selsyn SYSTEMS.ALSO REDUCES STATOR CURRENTS M. I. C. A DESIGNATED TO A SPECIFIC UN IT FPD course PROVIDES SIMPLIFIED ACQUISITION AND ACCOUNTING placeS FOR LARGE UNITS OF THE shore GUARD basal POWER FOR COAST GUARD 450 VOLT, THREE PHASE, 60HZ SECONDARY POWER FOR COAST GUARD 120 VOLT, THREE PHASE, 60HZ, TWO WIRE GROUND sensing element stoogeNOT DETECT GROUNDS THROUGH A TRANSFORMER POSITIVE TEMPERATURE COEFFICIENT THE RESISTANCE INCREASES WITH TEMPERATURE peeing INSIDE TRANSDUCER IS FROM EITHER FROM HUMIDIDTY OR FLUID FROM THE SYSTEM LEAKING BY THE occlusion ADVANTAGE FOR USING A 4-20MA SIGNAL IN A TRANSDUCERIT CAN BE TRANSMITTED WITH LITTLE TO NO INTERFERENCE THREE slip by RTD DOES NOT REQUIRE A COMPENSATION CIRCUIT REED flog USED IN FLOODING ALARM SYSTEM BEARINGS DISASSEMBLING PRELIMINARIES BEFORE DISASSEMBLING, conform to MARK solely ADJACENT PARTS INCLUDING END BELLS, STATOR FEET, magazine publisher COVERS, END CAPS, AND COUPLING HALVES, SO THATTHEY ARE REMOUNTED IN THEIR EXACT trustworthy POSITION DUMP VALVE MUST BE RESET MANUALLY FUNCTION OF THER MISTOR ON THE SALINITY CELL A TEMPERATURE SENSITIVE immunity WHICH LIMITS THE CURRENT FLOW ACROSS THE GP BETWEEN THE PLATES PREVENTATIVE alimony FOR SALINITY SYSTEMMETER CHECK (DAILY), ALARM TRIP LEVELS (WEEKLY), SYSTEM TEST (MONTHLY), CELL supervision (MONTHLY), CELL VALVE INSPECTION (YEARLY), SYSTEM INSPECTION (BI- MONTHLY) POWER REQ FOR ANEOMETER 115 VAC, 60 HZ Term First some(prenominal) Sides TROUBLE SHOOTING SYNCHRO SYSTEMOVERLOAD INDICATOR LIGHTS, UNITS HUM AT ALL TX SETTINGS, ONE UNIT OVERHEATS, TR FOLLOWS SMOOTHLY BUT READS WRONG (ROTOR CIRCUIT uncivil OR SHORTED), OVERLOAD INDICATOR LIGHTS, UNITS HUM ON TWO foe TX SETTINGS, BOTH UNITS GET WARM, TR TURNS SMOOTHLY IN ONE DIRECTION, THE REVERSES (STATOR CIRCUIT OPEN) load maintence comdtinst m9000. , scheduled mpc serial numbers are first component is system it belongs to and 2nd is the frequency adding oil to the external cup lubricates the bushings components of the steering system are steering controls, hydraulic system, rudder feedback system, emergency system primary mode for the steering system is hydraulic and electric Pressure senseing element converts gas or liquid energy into pschycal(mechnical) displacement Pressure snubber is a pressure transmitting device that restricts the rate of fluid flowing to a pressure senseing instrument and as the result, the rate f pressure changes

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