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APOLLO - Main Engine 1

The document contains technical specifications and diagrams for a mercury expansion type temperature indicating pneumatic controller, specifically the NFT2-1 model by Asahi Mechatronic Corporation. It outlines installation instructions, operational parameters, and various components involved in the system. The document appears to be a detailed engineering drawing with annotations for temperature measurement applications.

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0% found this document useful (0 votes)
85 views722 pages

APOLLO - Main Engine 1

The document contains technical specifications and diagrams for a mercury expansion type temperature indicating pneumatic controller, specifically the NFT2-1 model by Asahi Mechatronic Corporation. It outlines installation instructions, operational parameters, and various components involved in the system. The document appears to be a detailed engineering drawing with annotations for temperature measurement applications.

Uploaded by

thai.vu
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF or read online on Scribd
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Functions ‘The Bull's Eye Indicating Controller is a fleld-moust type instrum on of the process variable factiltates an in It igother with the set point index. ‘The resulted pneumatic controlier output of 0.2 to 1-0 kg/om? on comparison of the process value with reapect to a given set polnt will Two types of Sensing elements are avallabl perature element, PROETUES SISORT ARE Figure Bull's Eye Controller, exterior view (Pressure Controller) 2. Specifications s) Common Speet lations Indication accuracy Indicator scale Control actions: oportional band Roset rate £19 F.S. (typical accuracy), Concenteic seale, 270° are indication, 127 mm dis. 216 mm cealo length Proportional plus automatic reset 5 to 5008 (20 to 0.2 gain) 0.05 t0 6 rep./minute (20 mi 10 seconas) ae oy Setpoint index External setting (with g thambuheel at ‘Tower Tent part of the case) Phoumatie dat : 14 £001 ka/emt? Air supply Control oxtputs 0.2 10 1.0 ke/omt? Air consumption; 4 Ne/atauto (in balance, maximum Piping connectors; 1/6" temale taper pipe thresd case: Weatherproof Major tatoriali: (Bxolide lament) Cae ‘Aluminium, die east Doors ter with fiber glass Internal units Stainless steel, brass, aluminium, snd neoprene Standard finish: Case Dark beige, enamel Doses Light grey “Ambient temperature: 40 to +65°C Pressure Element Specifications ad ev 986: 0100.5, 9101.0, oso 815 2.3 kglont Spiral Wag 010, O10 5-¥t08, 01010, 91015, 01545, St0'30, 01040, 8 t0 501-6 to 60, Oe 80 Of 105, 8152156, 040 260, 010 300 kgfen” 22 to 1.0 kg /emt? Proumatie signal recs) Connections eows ype and agape; VACfemte stright pip heed Porurti heat receivers 1/4” Shale enn nee nes ses tio one to measure tigi) ows ype ad spy} tpi 16 eainoss sted ‘types Neoprene, aluminium, ‘Temperature Element Specifications. ne Measuring rangs Oto 50, 0 te 100, 00 150, to 200°C. ‘Type of sensor; Mercury-tUled spiral type. (without ambiont temperature compensator) “Type of seasor and conneation: Union typer 10 o 3/4" male taper pipe thread Screw type with protect= ing tbe! 1 oF 3/4 male taper pipe thread Flange type with protect= . ing tuber SIS 10 kg/emt-25 Material: . amsat .stalnlass steal Teead tube Carbon steet (STPG 36) Armoured tbe 304 staintess steo! Spirat Chromiun-nolybdenum steel ‘Length of tead pipet 5 meters ) 4) Accessories with Option, (2) Aseeset Composition: Pressure regulator with filter and 50 mm dia. pressure gauge. Use: ‘To rogulate the supply air.- Mounted at left front of the instrument employing bracket. (2) Output Gauge set Composition: 50mm dia, pressure gauge with manifold, Us ‘To measure the pneumatic outpul pressure. Mounted at lower part of the instrument, (9). Simplified 3-position Bypass Set 2 Composition: Air~ 1, output gauge set and Transfering unit Used for simplified AUTO/MAN./SERVICE transfer, Transfering unit is mounted on the = pressure regulator. (ints bypass set is not used for precision transfer ‘eperation.) 8. Components 4) Exterior Components (1) case . ‘The ease is of a sturdy aluminum die-cast construction with a cover sade of soratch-resistant fiberglass which 1s secured to the case or ‘by.two-captive-sorews.~Tho-ease-is-suilable-for-indoor-or-une--~ —-—~ sheltered outdoor locaifons, (2) Manifota ana Pitot Relay ‘The manifold and pilot relay are locsted in an enclosure beneath the case (Figure 2). ‘The manvola hosses the iter and restriction . Screw, and has two 1/4 inch fomale taper pipe threaded connectors fo which aiz supply and controller output conmections ars mado, The Pilot relay contains double diaphragm assembly with fixed ratio in . fren which operstes an lniarnal valve sim to maintain a propor tional relationship between the teansnitted air pressure and the noasie-back-pressure= b) Interior Components (Figure 3} ‘The interior unit consists of a sensing elenent, an indicator with devia~ ton mechanism and a controller assembly. (1) Indicator and Deviation Mechanism A.concentrie scale of 270° are indication is fixed to the case with two Screws. ‘The seale {s easily detached rom the case without intexfer~ ing the process pointer or set point index. ‘Tho movement of the saxsing element drivars the pointar for full 770° are on the seale through a over-travel Link, prinary lever, segment gear and pinion. A setpoint adjusting thumbwheel is provided at the case on the scale. ‘The deviation signal (difference batween the process value and set~ point value) {s obtained through a iskage mechanism and ie fed to the Controller assembly. (2) Controller Assembly ‘The controMler assombly consists of the feedback unit, integrating tunity and plot relay. The feedback and integrating units are mounted by two screws and the pilot relay is mounted by three screws. ‘The feedback unit consists of a nozzle-flapper mechanism, a feedback a bellows mechanism, and a proportional band adjusting mechanism. When the deviation signal is applied fo the nozsle-flapper mechanism, f pneumatic control output signal upon proportional and integrating control actions is generated. ‘The integrating restriction mechanism consists of a variable needle restriction and a capacity chamber, Desired reset rate is obtained - by adjusting the neadlg restrictions y PROCESS componro Figure 2 roraras (3! Propo ‘ram Figure 3 ‘SoNTROL OUTPUT conmaceroy FECTER AND RAST Boll's Eye contzolier, in PRINCIPLE OF OPERATION 1. General : In the pressure measurement, the end of the sensing element is displaced when tho messuod pressure is applied, In the temperature measurement, the end af the . ‘Sensing element is displaced as mercury expands or contracts in accordance with - Reasured temperature, The displacement jg transmitied through the Links, levers, ‘and precision segment Gears and pinjons to the pointer Which indicates the pracess ‘Yelue for a wide Seale angle of 270 degrees. At the same time, the displacement is transmitted to the devistlon mechanism, where the displacement (which represent the process value) is compared with respect to the setpoint value and’the resultant Aeviatlon signal mechanieal movervent) is fed lo the controller assembly. 5 ‘The controller unit generates the pneumatic control output through the pllot ‘relay in respond to the given proportional and reset controller settings. 2. Sensing and Indicating Mechanism Displacement of the sensing element ( #) is transmitted through the over-travel link to the segment gear and the pinion, which magnifies the displacement angle( 0) by a factor of 9. ‘The pointer is deflected by the pinion gear for e wide angle of 210 degrees on the scala and, therefore, reading can be made most easily. 3, Controller Assembly a) Deviation Mechanism ‘The deviation mechanism is built in the indicating mechanism. It gene: ‘a mechanical movement signal —a magnitude of deviation of the process Yalue from the setpoint value, Whenever the pointey i in ine with index on theseale, the zero deviation 5 Is assured. SENSING ELEMETE . Porm ovegrnaveL Le aVER PuITON Son cBAR Figure 4 Sonsing and indicating assembly > 2 biseLacaniet ‘SECON ARTUSTING SRUMEWRESL, Figure 5 Deviation assembly ox = DISPLAcaicer po FLAPPER orate Figure 6 Nozsle flapper mechanism Controller Mechanism ‘The controller assembly consists of the nozzle-flappor mechanism, pro= portional and reset bellows, proportional band adjusting mechaniem, And the automatic reset mechanism. ‘The flapper is moved towards or away from the nozzle in response to the deviation value and the back pressure of the noztie is apple to the pilot olay where the controller output pressure is exerted. A portion of the controller output is fed back to the prapartional bellows land reset bellows to rebalance the aysiom according to the proportional land reset control settings. ‘Adjustment of the proportional band is made by turning the proportional Band dist. When this dial is turned, the angle of the rod is varied and, therefore, the foodback rate is varied. The changing between direct action and reverse action is obtained as the angle fe fevered 20 that the Gizection of feedback is inversed. Adjustment of the Tesel action is ‘made by adjusting the air flow of the needle restriction ate Posteive PeEpRAct: [BELLOWS 8108 ‘PROPOREONAL: BUD Tipe, ropoRtronAt ‘BND DIAL Figure 7. Controller as: (owmor are Paessune (Gnon rrtor artay) ESE? CHAMBER FS weoaive Peapsicr sELLoWs 0 Positive FEEDBACK BELLOWS Figure @ Rosat restriction assembly, a8. 1 INSTALLATION —— Unpacking “tye following accessories are supplied togethor with the instrument. the accessories are placed in the instrument and the other are separately packed but in the same carton box. fag the instrument. (a) 2, Mounting Dimensions Some of ‘Pay aitention not to discard any of them whon unpack= " ~ Ring joint “3 . (p) Nozale restriction cleaner Vat Note: Do not drop or hit the instrument when unpacking oF rmouating. ‘The instrument can be conveniently installed with mounting bracket provided, For mouating dimensions, refer to Figure 9. } 1/4 Bou /(SUPRLIED BY ‘cuszaKEss) 2 Pree Seeds BRACKET FOR ALS Se Lt hse 1s0 R220 3/4" (rp 1/2ea) _f BRAGEER 90") roses comécrio# real Pr aja" anana Gem | SPRY AIR 5 . ep oes pete IPE woweT=30 Corto. OUEPUT WALL MOUNTING 2" PIPE MOUNTING Figure 9 Mounting dimensions 3. Piping Instail 6 mm O.D. copper tubing fxom the air supply to the fnstrumant and from the instsument to the final conteol element, To evold any air leskages, the brase ing joint flltings which are supplied as accessoxy itoms are recommended for con~ rections, Remove the plastic covers from the taps in the manifold, connect the supply air te the tap marked "'S!, connect the output air to the tap marZed "0" in the manifold. For measuring progede pressure comections, wefey to the par. 1-of "PLACING IN 4. Air Supply ‘The air supply must be clean, dzy, and regulsted at 1.4.0.1 Kg/om2. The temperature of the dry alr should act be below O°C to avoid any condensation or ‘Seazing and fouling up the instrument operation. Protect the instrument against corrosive gas and fumes. If no compressed air is available, nitrogen ges or other gs may be used in i's place as operation ‘media. Such gas should be inert, non-corrosive, and more than O°C of tempera 5. Air Filter and Drsin Cock Install an air filter for each instrument in order to eliminate oll, moisture and Gust, Be sure that the pipes are connected in proper to the iolet and outlet of the UMiter body. If excessive moisture i contained in the air, lonve the drain cock. slightly oponed to drain the trapped water continuously or proviee a large drain pot. 6. Pressure Regulator ‘This regulator is to regulate the supply air at 1.4 kg/em2. Provide ono pros~ ‘sure regulator for each instrument —~ connect between the supply air filter and the instrument, An "air-set" which is the combination of the air filter and pressure regulator {8 available from Yamatake-Honeywell, -10- _-Pigure.13. Connections for steam pressure measurement 2. Temperature Controliar 2) Bulb location ‘The best location for the bulb depends upon various factors, Including the measured fluid, the fittings, the type of bulb, and the connecting tabiag. General recommendations are listod below: (1) Liquid temperature ‘The efficient operation of the thermal system depends on the zate at < Which changes in temperature of the measured fluid are fole by the bulb, Ir the bulb is located ia a thermal dead spot, the instrument ‘will bo lacking in sensitivity or will have excessive lag. ‘Therafore ‘Select a location where tho bulb will be exposed to agitated fluids of freely flowing liquids. (2) Gas and air temperature measurement ‘Again avoid thermal dead spots. Locate the bulb 0 that it will be in the freely flowing stream and aot in the dead layer on the insice wall surface of the oven, pipe, or duet. Mount the bulb at right angles 12 the flow stroam if the pips line is of sulfleient size to permit its ar oY @ Tine ston depth ‘The entire sensitive portion of the bulb must extend into the medium at the point selected. Extension neck Bulbs have 400 mm ox more of bondable tubing, known as the exten~ sion neck, between the bulb and the tubing. The extension aecie can bbe bant through any angle, provided the nedius of the bend ie st least 50mm. ») ‘Bulb inatallations ‘As with bulb location, exact bulb installation will vaxy with the applica tion and the size and lype of bulb. Four methods ave eascribed below: a @ 6) Union-connected bulbs ‘This type of bulb has a uaion but no well as shown in Figure 15(A) and Is dosigned for use with vessels under precsure, Remove the union from the bulb assembly and screw it iato the wall of the kette, tank, oF pibe line. [After making the joint pressure-tight, insert the bulb and pull up on the Jam nut Caution: Do not rotate the bulb, Union-connected bulbs with wall Figure 15(8) shows the bulb with protecting well, This type of bulb 4s Fecommended for use with fluids where: 4) Fluids are highly corrosive or suspended solids may damage the bulb. 18) Process fluids have extremely high viscosity to possibly bend the clement, ls) The prossure is very high. ‘The mounting procedure is similar to the union-connected type bulb. Remove tho union with well from the bulb assembly and screw it into the wall of the pressure vessel; mak the joint pressure-tight. Insert the bull and tighteh the compressioa union ats without turn= fing the bulb. Flange-connected bulb with wet! ‘This type of bulb is illustrated ia Figure 15(C), The mounting pro- cedures are identical with union-connected bald with protecting Well. a+ (8) Mounting on « process pipe For temperature measurement of liquids flowing in « pipe, place the sensing bulb along the center of the streams and cover the exterior ‘of mounting boss with thermal insulation. Figure 14 Mounting of bulb on « process pipe ©) Tubing ‘The stainlass steel capillary tubing {2 employed for the mereury-tilled ert of the system (from the sensing belb to the ineirument). Tne 769 mm ‘starting at the bulb ond has extension nock af 6 mm O.D. protecting tube and the remaining part of capillary is covered with the armoured tabe which facilitates to bent through any angie, provided the bead radius is ‘more than 50 mm, Follow the precautions Uelow. (1) Uneoit the connecting tubing with reasonable care to avoid kinks and _) sharp bends. DO NOT CUT THE TUBING. (2) Select positions where the falling objects will not damage the tubing + and fasten it firmly with ellps or staples (de not crush £). - Use a protecting duct or conduit if needed (3) Colt any excess tubing loosely and tape it in place noar the instzu= ment. -16- Table t Bulb Specifications Leap Trem STW a Fae Range Length rtion length): _L (me reeseeiacy | Eeaat® | Sealimerson tenga Ltn) Co | tony _[_ Matin | Manin @- 50 | 29 300 00 o-t0o | ass 200 00 om 150" = | 08.5°| 150 eo - = 309 —|—a5 To 0 (A). Usion-comnecte bulb (©) Union-connecte bulb wtih wal carriany carta —b—100 a2 sie] | Stone eal uw 1 He "0a 3/4" Pr (C) Flange-connected bulb cePLLiaRt ‘uate an sis 10x25 Fiaxce Figure 15. Types of sensing butbs <7 3. Three Position By-pass Unit (Optionai Item). A simplified by-pass unit is available az an option, The untt consists of an aircset,, an output gage and a transfer switehing mechaniom. Appeoxiaately vp to 0.05 kg/cm? of an erro should be counted for when reading the manual output gage Gi to the simplified mechanisms, Tho switching procedures are described in below. a 2) Tranater from Auto to Man (1) Put the controller output air pressure Py on memo. (2) Reduce the supply air pressure to Py with control knob of alz-set, Note: Controtor output aiz pressure wil seo slighty be lowered. (2) Remove the knob fxom "A" position to the direction where indicated "MP position. ‘uty ste the teanater shaft Replace he kab to "A (2) Manuatty contzol the aystom by means of control knob of the air= sete >) Transfer from an to Auto (1) Match the controller output air pressure with manual output pressure Fa by meant of in stpsintadjsting thumbwheel Gackted at the i= strument bottom). Note: Since controller output sir pressure can not exceed the pressure 2, operate at a prossure slightly lower than P2 to make it easy, (2) Remove the inob from "hi" position and slide the transfer shaft to the Girection where indicated "4A", Replace the knab lo "A" position. (0) aerease the supply alr pressure to 1.4 kg/om?, 9 €)_Sexvice position ‘This position is used when controller malfunctions and is needed to re place, Fellow the stops below. - (1) Place the system in manual contzot, (2) Turn the supply air atop plug in clockwise and cut off the air supply , to the instrument, (3) Disconnect all the instrament pipings except the by-pass line and lsmount the instrument, Note: Other than when the unit is weed in the service mode, set the supply air stop plug in such a position thal its surface is flush Wwith the surface of the moniford. supp are (FRC SnsssunoRewcat ae ne nen jo 103 Geaw zosretox) | ast a0 lo (ae posrez0x) 1 i 808 SovTROL PRESSURE eS (tow Tusrauen) . cowrzo: FRess7es (70 corrgoL Device) Figure 16 Gross sec n of three position by-pass ualt BULL'S x8 commeoLiea SUPPLY ATR PRESSIAE 3168 jo * Figure 17 Dimensions of Bull's Eye Controller with three position Gy-pass unit -19- 1. Routine Inspection 8) Inspect the piping, especially of joints, oakage is found, tighten the joints, auizea. b)- Inspect the-fttore-and the-resteletion against stains’ is found, replace it with a now one, Ita stained-resteietion ia found MAINTENANCE OF CONTROLLER against alz leskage. If air Use-sealant or seal tape a2 r= Ita stained fitter” sn it with a needle wire of No, 36 ANG (0-13 mm cia.) 2. Troubleshecting A troubleshooting chart fe shown in Table 2. Table 2 Symptom Probable cause Remedy Loud hissing noise Tnlot and outlet are reversely connected ‘Exchange connections from plot relay Dinty pilot relay seat Dismount the pilot relay and clean tho valve seat 1No supply air oF supply pressure is lower than Te kg/em? Provide 1.4 kg/em? supply No controller out put or output ex Restriction plugged Clean the restriction tremely iow Dinty flee Replace the filter ‘Als leakage in nozale Une Tighten the connections to manifela Damaged neoprene tube Replace with new tube Nozsle clogged Clean the noaale [Contreller output excessively high Restriction sorew is not properly faced to the seat Tighten the screw Gil the Seal surface reaches to the] mmanitola Ottaet of input ie large | Pointer oF index is _shifted ‘Adjust and fx the pointer or index correctly -20- ~ ean ay Symptom Probable cause Remedy Poor balance in| Moving sorews of ini] Tighen te acrews and Poor balance in | cator oF controller ‘recalibrate praper sssembly are Toose : ‘Teasion aut is loose | Tighten the nut and x . calibrate -Propertionst action} ~Bellows-holder Recalloraie-t-determine Ismelfunctioning | slipped off the position and secure the bellows holder ‘Automatic reset | Neadlo oF seat is Replace the reset Fe actloris malfune~ | damaged striction assenaly Moning Resei bellowsie damaged | Replace the bellows 3, Services of Nozzle and Pilot Relay When the instrument fs malfunctioning, It would be required to cl and to check the pilot relay. In the below paragraphs, procedures for cleaning nozzle or pilot relay and for reassembling them are described. * 9 the nozzle a) Cleaning Procedures (1) Nozate 8) Cut off the supply air aid discanneet the contro! tine, i) Bend the steet wire end of ANG#26 (0.3 mn 0.D.) for approximately 5 mm at right angle and insext the wire in the nozzle port to clean 4, Hiting the flapper carefully. (2), Pitot relay 4) Cut off the supply air. 11) Holding the pilot relay, remove the three mounting-serews and twashers, and remove she gasket and the pilot zolay ii) Disassemble the pilot relay, pull out the valve stem, and clean the valve seat, ») Reassembly > Basically follow to the disassembling stops in reverse order when re~ assembling. Pay attentions to fellows. (1) Do not change the control ink length. Do not touch the bellows adfust~ ing serew and flapper adjusting screw of tho controller assembly. (2) Fix securely the pilot relay and insure that there is no air leakage through the gasket surface. -2- CALIBRATION 1, General A calibration is required whenever the units are disassembled ox replaced, lor the messing range is changed. The measuring vange ls determined by the ~ Sensing eloment. a) setup =~ (1) Apply 1.4 kg/om? of supply alr to the inctzument. (2) Connect a mereury manometer or equivalent, to the controller out~ pul pert, The manometer should be readable to minimum of t malls. (9) Provide the means to apply a pressuse or temperature manually ‘equivalent to the actual process variable tothe sensing elements.) Note: In case, to vary a pressure or tomporature manually is Snadequate, alfbeate az follows. Detach the over-travel in and set the pointer at any one point on scale by Mixing the secondary lever. Calibrate the controller unit by vary~ {ng the setpoint, Adjust the pointer to conform with instzi~ rent scale by applying a pressure or temperature. PROCESS PRESSURE IHU process 5 "RERCURY 1ANCKETER C8 : = AN EQUIVALENT DEVICE PRECISION PRESGIRE, Gates 08 . as BUT aw DEVICE Figure 18 Pressure calibration setup -22- ») Conteotler unit Apply 1.4 kg/om2 of supply air to the controller unit, Set the propor onal band at 100% and the reset dial at maximum. ‘Set the pointer and” index at around 50% on scale and adjust the Index to obtain 50% of con troller output and then make the reset action at minimum: 50% F.S. equals 443 mmHg) 2)_Pointer and Indicating Assembly ‘The pointer and indicating assembly is 0 adjusted that the link coupl= ing hole and lever shaft are in line whenever the pointer and index coincide (sero offset) on the scale. If this assembly has been dises- sembled for servicing, make calibration as follows. (1) Divide the margin of pointer movement evenly beyond the instru ment seale ageinst stopvers. (2) Aajust the index set lever to make the link coupling hole and lever ‘shaft in line, "If the pointer does not conform with the index, bold the collar arid bring the index alone to line up with potntor, Note: 1, Its recommended that the control link is verticel (as visually observed) when offset is zero. 2. ‘The hair epzings located on the shaft of pointer and index are effective in reducing the hysteresis errors. Set the springs to produce the torques in clockwise, ire 19 Pointer and indicating assembly ~23- Tength of the over-travel Link, (Lightly tap the insteument to the pointer). v . ‘Apply 80%6 FS, Shgressure to the element and checié if the pointer cox responds to ihe input not, adjust with the span adjusting screw of the ening the screw in clockwise #0 decrease the span. When considerably largo wpan change'is required, change the coupling hole position of the lever tove pver-travel link,’ “The span will be in, >) creased if the hole closex to Wg indicating mechantem is selected, @) Linearity adjustmont 7 S (1) Check for Linedtity at SOM of fulleale. If linearity exzor exceeds THP-.S., make the pressure to the element to zero and shorter the over-spavel ink. (2) Wed tink longin is changod, loosen tho #2 serow on the lover. Set ihe pointer at within O 4.0.55 F.S. and tightemthe #2 serew. N\. (0) Recheck zero and span as described previously. ™S Tomperature Meter a) Preparation (1) Prepare a precision standard thermometer ad the tenperetre SIO Gl igua usb ot Suny lng wes outs ee bathe.) |) Cebece to fe nse angecn Bos tanpersuree si be tincina pein cobseopondng to 01 30y aol 1008 a Stor "it posite use tives sopra bathe with ooperaiures Sine 0°94 ot he somused sale plats, (2) Immerse the sensing element and standard thermometer in the bath“ and road both indications, (0) Plot the instrument reading devigtions from the standard thermo moter.” If the errors exceed #1% (F.S.), proceed to the following agjustnents. b) Zero aajustment (1) Place bulb in proper bath for zeroing instrument, =m Note: Plain bulbs should be immersed in the calibrating bath to a depth of 30 50 mm greater than the length of the bulb. Unioa connected bulbs, including the socket type, should be ‘immersed in the calibrating baths up to the seat of the ex- tension neck, "If the dimension from the est to the bottom of the bulb is too long for full immersion, as much of the bulb and extension neck as possible should be immersed. (2) Attow time for mercury column to settle, then check output pros Sure for 0.2 kg/em?. "I reading is incorrect, make zero adjust- nent with-over-travellini-by-vanying-te-Leagthe—Pap-inatryrient——— Lightly when setting zere). ©) Linearity and span adjustments (1) Place the bulb in top of range temperature bath and check if output indication {sat 100% on scale, " Adjust the span sovew on hells (or spival) arm, if necessary, to obtain correct reading. (2) Replace the bulb in mid-range temperature and note the pointer indi~ ‘cation for 50% (F.S.). (2) Ifthe nearity at mid-range temperature exceed +1 5 of full scale, proceed as follows! 4) _ Replace bulb in zazo bath. 48) To correct a plus error greater than 1%6 of soale, shorten the over-travel Mak, For a minus error greater than 1% of scale, Tengthen the over-travel Linke, 131) Loosen the #2 screw on lever and turn the lever until the pointer 1g placed at within 0+ 0.58 of soale. Tighten the #2 screw. (4) Repeat the above procedures until correct Linearity is ebtained. Note: Whenever linearity or span is adjusted, recheck zero, mid ange, and span a= described formerly, 4. Controller. Unit 8) Preparations (1) Connect a tube of 4 mm 1.D. and 60m longth, or volume tank of 1.32 to the output sir port as a dummy load. (2) Appiy 1-4 ke/en?. supp (0) Adjust procéds variable to make th potter at 508 (F.S.) on (4) Set the proportial band dial at 100% PB, -25- (5) Set the reset dial at maximum. Adjust the index and, whan the out= put pressure is balanced at 30% F.5, (443 +6 mmilg), make the re~ Set at minimum, Turn the flapper adjusting screw fo bring the index witnin 50 + 10% on seaie. Notes, Adjust the bellows sere adjusting serow to make the touching lever vertical when supply ai is cut off. ») Proportional Band calibration -_______11) sor the potntan-at 50% -of-scate, (2) Sot the proportional band dial at 100% PB. (3) Sot the reset rate disl at maximum. Balance the controller output pressure at 4¢5 #6 mig and thon, make the rosot rate minimum. (4) Selet the betowsholder positon whore conroioroutpt stays ina <>) range of 590 +30 amiig when the index ts moved from 0 fo 100% on Beale. (See Figure 20), ape ad gaa OQ Sree 7D) mem are. [Shek ere wemacier"= mageogenn —] sens sou 2 Cone, a a =a FG sansa sen svn se sauna \Cereve omer aero . Figure 20 Controller mechanism ~~ fe) Balencing of proportional band (1), Set the pointer and index at 50% F.S. on the scale, (2) Te select the connecting Mink length. t 4) Set the PB dial at 208 DA, Note controler output pressure Py. i) Set the PB dial at 20% RA. Note controller output pressure Pp, 18 —sotser-tne-conneceing-timitomgrir wien tne ab fexsanse betwee Py and Pz become 12 mnlig or loss. iv) Adjust the line length Shorten wien PDP, ) Langton when P) ©) Repositioning of setpoint adjusting thumbwheel ‘A stopper is provided on the setpaint adjusting thumbwheel and ts cali brated at the factory to protect the index overstale in the pointer and indi~ cating mechanism assembly. When disassembled, recalibrate as follows. (1) Loosen the set-sorew of setpoint arm. Note: Use L-shape hex wrench for #3 screw for the set-sezew. (2) Connect the link. (0) Move the index to the extreme zero % on scale by setpoint lever. (8) Turn the setpoint thumbwheel in countor-tlockwise until it hits the stopper screw. (5) ‘Tighten the set-serew, 2 Note: If the pointer end indicating assembly are properly calibrated, both the indax and the stoppers of setpoint adjusting thumbwheel should be evenly divided against the aver-scale margins ot ~28- PommTER am Teprearte > ssa senpOrN 1avER ‘SETPOINT ARK SEXPOTH ADJUSTING THINEVESEL, Figure 21 Setpoint adjusting mechanism -2- Key No Description sey Esta sor asanty ieee aentiy Ker outag pate Boh sponser te, seme plate Spiral pressure slanant,epecly Goria elements speci peat sero tae <3 eae BERIT e26560.001 ee eee Senco a ES t0026s52-002 ease aoe ed feat ee ae Be3 Eee eee ae ae 7025082001 antec eon tt "Pneumatic Pressure (Temperature) Controller Pes tit Page 309 Bulte Eye Contrlor Deseripion anty Pact No ed euawing parts (Ray No. 28 ~28)s0 opis 3 = esason 33 Sco 3 Sosctso~103 B Bbrpannme | ERE : : EBESS : 1 Bass 2 3 Sibe See 2 deaissccot Fe one : ES . SY a Por nogel REPS? only =32- MS THETA TON VANSUAL 2 po=1210.TN.1S-1YPE_ DIAPHRAGM. CONTROL VALVE. (THREE. WAY) E PREPACE: The Giaphraga control valve has the Control ends of autoaatic contrel syetens, owever, the control Syaten can only make full performance as a systen in general wh é Ue Gtaphragn control valve in operated noat effectively. vide vse at! the variour The right vay of handling the dfaphraga control valve: bas bet Father neglected due to ite cosparatively sizplér constriction than thatef the controlling instrugenta, In erder to have, hovever the diepbraga control valve operate-precisely ané fully, qvite-iepertant to recogaize-the-consenta-of this manual before starting actual operation. 1, WNSTALLATION = - (2) 4 typieg! exanple of installation for a control valve is Shove if Fig. Ind and I-B below. Pig. Ini shows mixing Service ond Pig. 1-B shows separating service. At botb sid Of the control valve, be sure to iastall stop valves for the Convenience of wanval coatrol of dismoustiog at the repairing. iowevers in ease of pipe aize being larger then 100¢, the w of gate valven in required instead, DIAPHRAGM CONTROL, VALVE Gig. 1k izing service Pig. 14D Separating service (2) Price to the installation of the control valve to the proper piace (t fa eceeeary to clean up te pipe Line and renove - Li"foreiga matters sack ue welling chips or scales fron the pipe Lines Most vaual way io to coonect a short pipe ia sane Eide to face dimension a+ that of the pipelise on wich the Goutrel valve ia installed aad open the stop valve fully to Tet water flow thiough the pipelise. + (9) atver et perly, te fluid! Jog, make sure vo install the control valve prom ‘cust arrow on the body fita the flow direction of a atin iT Et A pikd (4) Control-valves-should-be-fnstalied-vertically. zontal piping to reduce the friction of the aten. Taproper installation say invite distortion. on the valve and bending of valve plug or lack ef close contact betmeen valve pi ‘when used on the piping which eccestonally han beat expansion. p (6) onthy the"valee tite ty tualter than the pipe tire. in each 4 - ‘a reducer or coupling. (6) When there are-pipelines ors cefling overhead the valve, it fo snaceseary te have « azace of at least 300m above the Je of a pipeline with high tenperature placed near the diaphragn of control valves, the dlaphrage of seoprene Mill receive detrimental effects Therefore, installation of Control valves in auch place abould by all aeans be avoided The safety limit of tesperature for the diaphraga is upto 00°”) 2, Glatt AND SAINTENANGR, in order to have the process automatic control syaten operate properly to achieve the denized efficiently vith full performance SE its capackty, the control valve at its control end ahould fune~ Tien without trouble. To ensure full function please pay atten tien to the following description: (2) Valens otherviae specified, the control vaive will be adjusted to operate ite full stroke at the air pressure from 0.2 to 1.0 g/ea2G and therefore turaing of the agjusting screw without hteesaity should be avoided, However, after installation, Clecklag of operation af the 9 heceasary before the Gtare of the operation of the process. (2) The inner parte of the contral valve require periodical inspee~ tion and. overhouling of the control valve is ulzo requsted to Clean guide bush, seat ring, ete, when the plast vcessivnal!y _) 2, KuPLAcEvENT oP Paar 3-1 Gland Packiog (2) Loosen the stem Lockout, tuke off two fastening bolts uni rezove, the atem connector, (2) (2) Push doen the valve’ plug stem up to the Lovert poaition and | ____s-24-teptace Faneve the CSF ee—paeierng elses een cake ue E I pocklng from the stuffing bor | (3) Clean’ up the valve plug ste and the inaide of stuffing box completely. . (4) Pay attention not to bdnétuany dusts on the nev packing. Incase of using teflon, "W" shape packing shall be inserted ne by one carefully not to confuse the right and wrong sides. (5) After geplacesent of the gland pucking, fasten the cap nut and nd nount the stem connector to its due place wat-of-Adjusting Spring (in-case-of direct acting (1) Loosen the sten Lecknut, take off two fastening belts and remove the atea conzector. (2) Tura the adjusting serew and loosen the spring. (3) thea 1 we the fastening bolts for the upper ant loner diaphrugs (A) After eémoval of the upper diaphrage-ease and diaphrags, take up Maplcaga plate and the actuator stem will coge out togetior to allow reneval of the adjusting opring. (5) when the replacenent of the adjustiog spring is eoapleted, stem, diaphragm plate, diaphrag and the upper diaphraga case to their due places, 2-00 Replacement of Adjusting Spring (Ja ease of reverse acting! UU) Riese, turn the adjusting serex and Lo fully: then, remove the fastening bolts for the ayper aad Lower diay fuga cave und take out the upper diaphraga easy: (4) lesove the Lockout for the diaphrage plate and cake eur che Giaphraga and diaphraga plate, (4) Wegove the fantening bolt of the lover diaphraga case aad the yoke then take off the lower Uiphraga ease aud ayacer for Taducing the actuating, air for the easy rewoval of the adjusting spring. (8) Siaaa the dus place placeneat is completed, reassemble euch part to their SSA Meplacenent of Diaphrags (in case of direct acting) (2) Remove the fasteniag bolts for the upper cade und take off the upper diaphrays co (2) Then, replace ‘the diguhrage with new dne and, place the upper Aiophraga case to ite due porition, () ‘200-lepueanent “of Dispirage”(sneavear Feverae acting) (1) take off the upper diaphrage ease in the ‘saze procedure un above 0 (2) then, remove the Locknut for the diaphragm plate and take off the dfaphrage plate and élapheage. : (3) when the replaces oh part to thet due’ place in completed, reassenb) —| 4. weeacesest OP OnRING (sn case_of ceverse aeting) (1) O-ring can be'taken off in the 20 tro 1. to procedure af (2) Then, clean op seating bus aed Lnsert the sew Oring carefully > (3) Upon completion of replacement, sount the spacer with cure not to dasage the O-ring by the ueluater stea then, reassemble each pact to thelr due places | w re Le id GUEC37LA ag Fy eh LIE ie 7 SS y ” To 210 pm aR “an snia3 ‘ea | mimo sama Apt, poate. fam | Renan sansa = sir ato | "i aaa as PLR 0 a0 *E oe b KRHA LAS am — RECORDS OF co ‘TORSTOGRAPH MEASUREMENT Ea = ae See atet RRL om AKASAKA DinSRL UNETED oe | ie mov a lave” | 7 Oiblnn i aa wea[7 a aa Caw 2078. ’ emi aan 281 022 518 te EI =F wean aon | pecan 1 es ruawe (LL SSO SVAN APOE ey YSU ve UL PE Le Yc a oe ———— ne aemkin < BEER pea aoo PSR ae ] oa Zi oe fe (item xe Bia & FBO ms ak a | pe 2 me Bite [ze 2m [Jez #7 see ¢ [Fexru] go 9% g7h0 SESE WI ox 230 gaa pao KZ 540 _ 480. Fen? @BX EVEN MR) | peed X coe XG hae a amet coaeminy- vem Aer rane > BBL, IMMER 70 ret 2/0 OOM SRS LAL CREO Preyer = ae He FH. 8 bee et eEowel gac re i FE 420 yenronm | xf 279 sszvxe | saan [zy Bea” (ae * |e a er yeas 98.0 (786.2 9 276 L_ 22070) (1.988 dg ) (jis deers ) Bhonians oz Rokone 7 MeMLcHD a tocie-Md nln Mametior~7efl, coMommmEE OCT SH, FORTUREAKE ARE RBID NEA, wloven0g (U1 STaSaiN WNSWH she 929 400 x¥d Yee SNL oxveD e0Le [Braet tones poner aon ~“Tacetaneo ry eo EER] Yor of eylinder: é —] eytiader tore xe Piring order e. Bagine sein diaenatou Sie fp RO 252 Ee 7 2s Shating [a7 ee? [epi alate ~[ Sp Pe Fx absent ahat? Tre Pee | snare 390 Xx 759016 tho x 3b0 Dia BEG eof tats) hae dle | Wagunitcation 37" % [ee He centage Glock i/5 wees w ba woven Meuoured netiod engine rpm UD cveny 5 spa 1 | ) [Prove state = 3555 Lo] Keep 64388) 5226.2 >| | LEHES Main engine — [iriy meet EOP Clint: Berd angh 17 cig. Balishi bled ale O dep. he toretonal vibration vas neasured follorize values, eos Eg/ant) Geiger toraioerssa x £ Remuite of 122.006) pao/ dy |mermesae sah 2227 216 (7228 >| Veppret rape ribration excenda the Z, Line, fore, you should Rack the faYtevinge vercy es sue suazee Stghoseter With red patst, and should avotd the contiatovs reaning 4 thie eeed rence, then peue heaven I! ov cues Ke monnnine trite to (2¢ me | According to thie measurement, there 48 no dangerous torsional vibration except the 2-node 4 th orders 1 STRSAIO SAT soe 929 FSO WH 2:81 AL, e/a) Sm ) The stress oF the 2unode 4 th on CORREO BERL, REITRS thor, /BEL9 RI, WR eA, Fin Aw 3 BE IBF, TERE Full Pik 17, 792m RELATE OBB 126 pe 20 P11 8.000 yp VET PEER. IPF yp PERRBS the AIRE OBBALT see Teiksorrmbazins FRR IA) eC 219 in) Th 28 TEC OE di Be, © C9 PMLA ZReBiog. 3H oHSth, wov008, (UT STHSHIO WRISOR sras 9e9 10 KHL SFe1 aNL eB/eD ene not Torsiograph sasureaeat could vot confizae uador ‘Gtiger. therefore the Soaccresont oonformed to the caluculation sheets Of torsional vibration (Jook Yo. 251 022 120). Lnode frequency Pull Piten //778Zepe 1B Ad TR Zero Pitoh ypoeos 1-6 1/97 25 According to Fig.2, the vibratory toraue " does not exceed the allomsbre vibeotory torque (9/7 Kea) over the dena slow xp ‘Musae torque are very auali valuoe, thore ie a0 dangerous, Avcoding’ to this aearuresent, there ie no dangerous toraional vibration oxsagt the 2node 6 oxter, (1 STaSEIO TSW sha sea 400 Hv 92:81 ALL enveD eMne 2008 09/09 TUE 18:25 FAK 054 626 5843 AKASAKA DIESELS LTD ovs/014 aoovo1 +2008 09/08 THE 18:26 FAK O54 625 5843 AKASAKA DIESELS LTD tk Wt mk we > mh ae Fig.@ VIBRATORY TOROUE CURVE dad. YOYAGR cOwUITTGH WIT OINERATOR 3 — 7 | gal a2 a] mn — a ai | Bale tt }_—-# *) a) “t | | sane = {Tf jo M ea As - abo Ey Ey Fs . : zo Radiator | 5 Pp 5 e my | eerste Teg EP “ee x wrove008 MEMSENT oho RBOMEConT RAACNOM FORMER OES ROY roe RCM CHEE BEGhOVKRO RE RBI $097 MORBOTHM, AEURREEEOR SAREKE (20, MOMBCKOEH mowREraceanD ET, 208) om BANTK RUT Se, MME OY aR er. © Rok Sey FRaRROTHY, HOnERREENE EB LARETD TRostktseslcren, 1, Sh 97 7MoPwemamicren. PEGAMENTEPRATIM LED SOT, KORME PEEL cre, (1) GAMER EAR RMP RAL, Fy semEMERiR ET PoPRL IMB CTEN, ADORE SMe ACME EFELCTE YT Pr THBP REL ERO MALTE, (2) ReMANO Paar yee MHD ey rez OMB” CES (8) Ries vemnrs 2. BARC PmarRORE TE eEoT, tnmnmmeticten, De, 2. PMT RICE ony ror, GERBER IRE CTEM, 3, eemenMEcTen, | (UT STESALG WSIAW eves 979 0 MMM 92-81 aNL 60/80 eO02 oe CATION FOR ay BLuseze coMPLI¥G amcaneD To THE TORSIONAL VIBRATION cP A suareo¥a, - On the overall shafting where any elastic coupling tw equipped the torsional yibration of « aertain onder which hi hen a formal Tel conbeation 4a astntained with a full aylinderd! ——peration_nay_becoue-very-tesge-and-e- severe torque flue nation suay work on the elastic coupling either whan the fel oosbustion Deoones unequal anong cylinders or the cylinder cut-off operation Ae carried out. . . fot {a such a resonanced condition for a iene period: tie coupling is often liable to be broken. Accortinely, unequal fu0l combustion among cylinders or cylinder osteofe operation is very dungeraus, ao that the utuos? care abould be taken in the folloring matter so probLes 2, ake equal the Poax, (Load balance) of exch cylinder to the steoet. + Above all, the Pax. {9 Liable to bo unequal during low load conditions such ag when atertite-ap and pzlor 46 ahut-dom of 2 engine, ‘Rerefore, adjust the Pax. a Sylinders by the following vayss (2) te Pans, 42 6 very tow load operation shell be adjeated ty the fuel inject: Criterion of unequal Pour. azong cylinders. .... within 5 ks/en? Oxiterion Of unequal 7.0 punp rack ecale. ve.sc. wltMia 2 a quantity (P.0 pusp xeck ooele). 2 (2) the Peers tn a nomad service op tho sit injection tain. tion shell be aduated by (3) As the 7.0 yunp neare, the Pasz, in the low lead tends to becone nequal. Zf such plunger and barrel atell have to be considered. ‘he case, the replacenent of 7.0 pas 2. avoid to the ataost the hunting and the fluctuation in the eagine Fevolutions due 39 the dagective governar. Js Avold any cylinder gut-otf operation. wore008 (UT STESELG WANSVAN eves 979 40 AWE AZ:81 AML 61/80 e002 CHANGED THE DRAWING Nos “+ SeeNose apse Saosd tisee-ti 3) [ADDED THE No.12 | (1985-08-06) | |, |RORECTED THE PART No. OF | 3 [Norio No.10 Noe. : [eSizCi25 THE DIMENSIONS OF Ng.td,No,13,No-16, Nov? Nae 82a ; FINAL PLAN 16000" WEE~9EN, rusouasunery obscn xc. | FOR METS3SBII &335Cx 1SET/ 1ENGINE prrroven, UST OF SPARES FOR EXHAUST-GAS TURBOCHARGER evtcxto TYPE MET33SBII & 335C ora Ser | we — Esa MeTaRSBIT &335c tee Fe RE R N36-33M -0009 oe “& MITSUBISHI HEAVY INDUSTRIES, LTD. NAGASAKI SHIPYARD & MACHINERY WORKS. 26-22N-0009 (seas) act ! = BP no For METSSS941¢ X 1 Sets/l traine = (0) aa mo. wate ‘KETO mateo, eo} —Toar ry % ; 017 Labyrinth , 3 (lurbine Stee) | srone 3 1 testing | 1 [2 |8]s5] oat (ec2) 2 2 041 Labyrintn & (Blower Stee) Bronze 2 testing | [2 04 SEY A (C2) a7-m W ve Carb ‘Thrust Bear ing & tee" q 2 eee waite [1] + |8]n| oare 23 Mit mat Been weed wa i w trust searing | “Ke, | See ‘ (Blower Side) ‘o & & ‘ wee | 1 | a [Ela | oer ADAMO bod 2 Gam a an] i carbon ¢ Journal Bearing Bs ew i 5 SL abe | 2 | 2 |Z |r] ours Tas metal Z ‘ (S28t, non 3 Tarts NAME NAGASAKI SHIPYARD & MACHINERY WORK. | a aponess ManSUEIsHi HEAVY INDUSTRIES, LTD, 36-32-0009 ADDRESS MITSUBISHI HEAVY INDUSTRIES, LTD. Panes Pace 2 SAP wa for METSISBN-SC x 1 Sets/1 Engine (| “aor a Ps sxsrot wena, oro oN ‘ Gas Labyrinth | Ronted a 6 Steet ria [gles] 2s anya reo) 3 sasustment Copper z 1 [eer ay |. | [lan ouona es <+— (Ge01") 3 pore nax20 3 8 /sus304 8 | 4 |8\zes) o.oi7 poate k 5 Bait Head Bole 7 “ camo z AARHEE J [san z i hasher fotled H 0 Steet a | 3 [37). oon as (ss00) iB ° staimiess wire staintess n Steel fs | few ARLE aie (Su8300) firust cotter ato F | Steet BE | es azanns Gomis) | * | IS] On? Tongued Washer Statntess 3 a Steet a | ||z26| 0.001 mete (Sis309 i “MFR'S NAME NAGASAKI SHIPYARD & MACHINERY WORKS.

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