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MNKS024

1. MNKS024 Page 19 of 31 MC Technologies MPU Transducer Replacement Procedure 3 3 Mounting the Fastening Cover A B Remove the old O rings Make sure that the mating faces are clean When cleaning a joint face use a tool which is not likely to score or damage the face and remove any burrs or nicks with an oilstone or fine file Replace the O ring on the Fastening Cover Put silicon grease on the new O ring Remove the Seeger rings on the Fastening Cover Remove the Locking Screws and replace the O rings and the Back up rings Put silicon grease Gleitmo 750 or equivalent on the new O rings Mount the Locking Screws and the Seeger rings Mount the Fastening Cover and fasten the bolts Use copper grease e g Copaslip on the bolt threads CAUTION Required torque is 22 Nm Put the Locking Screws in their outer position if the Transducer is not mounted p Locking Screw Picture 6 Fastening Cover Parts MNKS024 Page 20 of 31 Kongsberg MPU Mounting Procedure Ultrasonic Gas Flow Meter 3 4 Mounting Transducer TRANSDUCER ASSEMBLY DETAIL A K 77 may N SS A est DETAIL B Figure 5 Transducer Assembly 1 2 3 4 5 7 8 10 11 Connector LEMO FFA 1S 302CLAC42 Socket ERA 1S 302CLL Coupling layer 3 5 mm TYPICAL 12 Cable gland D705 1CX 1 2 NPT Eex d CAUTION Make sure the Transducers are mounted i
2. Conduit wires between the Connector and the Cable Gland and place it inside the End Cover D Bring the Connector through the End Cover and connect it to the Transducer E Mount the End Cover to the Fastening Cover Cover as described in section 3 6 Take care not to squeeze the Transducer cable wires F Measure the ohm resistance between Transducer Cables and bonding USA Model End cover nes l n i J P Connector Cable gland Ds DETAIL A Figure 7 Cable Gland and End Cover USA Page 24 of 31 MNKS024 Kongsberg MPU Mounting Procedure Ultrasonic Gas Flow Meter 3 6 Mounting the End Cover A Remove the old O rings Make sure that the mating faces are clean When cleaning a joint face use a tool which is not likely to score or damage the face and remove any burrs or nicks with an oilstone or fine file CAUTION Make sure that the flamepaths see Figure 4 pos no 15 16 17 do not have any damage If so the part must be replaced B Replace the O rings Put silicon grease Gleitmo 750 or equivalent on the new O rings C Make sure the Transducer Cable Connector is connected to the Transducer and that the wires have been put into the End Cover in a loop G Mount the End Cover to the Fastening Cover Use copper grease e g Copaslip on the screw t
3. Copaslip on the screws Check the nozzle internals clean it before mounting Mount the Fastening Cover to the Spool Piece CAUTION Make sure that the flamepaths see Figure 4 pos I J no 15 16 17 do not have any damage If so the part must be replaced Carefully insert the Transducer into the Nozzle Mount the Cable Gland EU or Conduit US into the End Cover Connect the Transducer Cable Connector Mount the End Cover onto the Fastening Cover Change Transducer nameplate if the Transducer has been replaced Mount the optional mechanical protection Update the database if transducers are replaced CAUTION The screws must be of required quality the threads must be lubricated and correct torque must be used ref section 3 3 and 3 6 CAUTION Make sure to measure the ohm resistance between Page 18 of 31 Transducer Cables and bonding if transducers are replaced MNKS024 Kongsberg MPU Mounting Procedure Ultrasonic Gas Flow Meter ZL Ll DESEE ES B VG T Figure 4 Transducer Mounting ITEM NAME TYPE DIMENSION Spool Piece 1 3 Transducer Assy 4 O ring 18 77x1 78 5 Back up ring 19 4x22x1 2 7 8 10 i Locking Screw O ring 6 5x1 5 9 Back up ring 6 6x9x1 End Cover 11 O ring 34x2 12 O ring 25 12x1 78 O ring 22x2 15 Flamepath Transducer Flamepath End Cover Flamepath threads for Eex d Gland
4. on the Contact Us link under the Quick Links in the right hand column Headquarters 500 North Sam Houston Parkway West Suite 100 Houston TX 77067 USA Phone 1 281 260 2190 Fax 1 281 260 2191 Gas Measurement Products Liquid Measurement Products Erie PA USA 1 814 898 5000 Erie PA USA 1 814 898 5000 Beijing China 86 10 6500 2251 Ellerbek Germany 49 4101 3040 Los Angeles CA USA 1 310 328 1236 Singapore 65 6861 3011 Thetford England 44 1842 822900 Slough England 44 1753 571515 Chennai India 91 44 450 4400 Kongsberg Norway 47 32 28 67 00 Ellerbek Germany 49 4101 3040 Buenos Aires Argentina 54 11 4312 4736 Barcelona Spain 34 93 201 0989 Integrated Measurement Systems Moscow Russia 7 495 5648705 Corpus Christi TX USA 1 361 289 3400 Melbourne Australia 61 3 9807 2818 Kongsberg Norway 47 32 28 67 00 San Juan Puerto Rico 1 787 772 8100 United Arab Emirates Dubai 971 4 883 0303 Visit our website at www fmctechnologies com measurementsolutions Printed in U S A 10 09 FMC Measurement Solutions All rights reserved MNKS024 Issue Rev 0 0 10 09
5. C Technologies MPU Transducer Replacement Procedure 4 2 Calibration certificate Page 28 of 31 The relevant data in the calibration certificate is stated in the header and the 4 first rows of the table see Figure 8 below The header shows Date Pressure Temperature Signal frequency The table shows e Path 1 to 6 referring to position 1A 1B to 6A 6B e Transducer serial number S N which is stamped on the transducer e Transducer length L listed in millimeters mm e Tdelay adj referring to Transducer delays in microseconds us to be inserted into the database The rest of the table is for information and diagnostic purposes only Transducer Calibration feport Nerding MI U 2250 Microxall Internet Explores provided by FHC Kongsberg Subsea Transducer Calibration Report MPU 1200 Herding MPU 2250 FMC Kongsberg Metering Date 23 JAN 2008 Pressure 180 Bar TMC EnergySystems MPU Calibration Laboratory mcer epu Temperature 70 C ICM Path Trans Trans Tdelay adj Direct Signal 3rd Refl Signal DeltaT ns SN lA 005 01 129 Travel Time us 1278 909 EJ 1278 908 5330 430 444 430 444 5951 450 146 6070 4B 6209 SEB 6A 6 131 1 6B Gnreater ton E X blu Ne Sg uto Pp 4 sf ie Dene FOE or Figure 8 Transducer Calibration Report MNKS024 Kongsberg MPU Ultrasonic Gas Flow Meter 4 3 Transducer delays MNKS024 Parameter Configuration The transducers are cal
6. and or configuration at any time this manual is based on the latest information and may be subject to changes 1 1 Contact Address if Assistance is Required Publisher Customer Support Contact FMC Kongsberg Metering AS FMC Kongsberg Metering AS Address P O Box 1012 P O Box 1012 NO 3601 Kongsberg NO 3601 Kongsberg Norway Norway Telephone 47 32 28 67 00 47 32 28 79 21 No Telefax 47 32 28 67 50 47 32 28 79 10 No E Mail meteringservice fkm fmcti com meteringservice fkm fmcti com Internet www fmcmeasurementsolutions com 1 2 Copyright All technical and technological information contained in this manual including any drawings and technical specifications shall remain the property of FMC Kongsberg Metering a s and may not be used other than for the operation of this product copied multiplied passed on or communicated to a third party without the prior written permission of FMC Kongsberg Metering a s 2001 FMC Kongsberg Metering a s Kongsberg Norway FMC Kongsberg Metering a s is an FMC Technologies Inc subsidiary MNKS024 Page 5 of 31 d MIG Technologies MPU Transducer Replacement Procedure 1 3 Trademarks Products listed are trademarks of their respective manufacturers Company names listed are trade names of their respective companies 1 4 Equipment Required Adjustable wrench T RW Hexagonal key 4 6 and 8 mm Oilstone or fine file Seeger ring plier
7. cktite 577 or equivalent on the threads B Mount the part B of the Cable Gland to part A of the Cable Gland The cable shield shall be mounted to the Cable Gland Make sure that the shield connection is not damaged while tightening the gland C Mount part C of the Cable Gland to part B of the Cable Gland D Make a loop of the Transducer cable wires between the connector and the Cable Gland and place it inside the End Cover m T Bring the Connector through the End Cover and connect it to the Transducer Mount the End Cover to the Fastening Cover as described in section 3 6 Take care not to squeeze the Transducer cable wires G Measure the ohm resistance between Transducer Cables and bonding EUROPE Transducer End cover o DETAIL A Connector DETAIL A En L7 Wire loop o DETAIL B _ Ue Cable gland 9 Cable shield Figure 6 Cable Gland and End Cover European Model Page 23 of 31 NIC Technologies MPU Transducer Replacement Procedure 3 5 2 Mounting USA Model A If removed mount part A of the cable gland to the End Cover see Figure 7 below Use Locktite 577 or equivalent on the threads B Mount the part B of the Cable Gland to part A of the Cable Gland C Make a loop of the Transducer
8. e is installed in the pipeline or if the operational pressure is atmospheric and the pipeline is drained of any lethal or flammable gases If it is necessary to remove a transducer from the MPU without shutting down the line this is possible by using the Transducer Retraction Tool This tool may be ordered as an option and will be delivered with its own operational manual Alternatively this can be done by the supplier s service engineer bringing the suppliers own Transducer Retraction Tool If the transducer is replaced by a new remember to update the acoustic path length and the zero calibration data in the database See USM 0000020565 User Manual MPU Series B 1 for details Unless otherwise stated nuts and screws are removed by turning counter clockwise and tightened by turning clockwise Make sure the workplace is suitable for this operation protected from rain or sea water dirt or oil spill Cover the MPU with a protection hood if necessary Page 9 of 31 MC Technologies MPU Transducer Replacement Procedure 2 1 Dismounting Short Form A B C Remove the mechanical protection for the transducers if any Make sure there is no pressure in the pipe Unscrew the 4 screws on the End Cover and remove it ref section 2 3 Disconnect the Transducer Cable Connector Check that the Locking Screws are set to outer position or remove the Fastening Cover ref section 2 4 Remove the Transducer by caref
9. ed The measured transducer lengths for the original transducers are stated in the Calibration Report for the meter The measured transducer lengths for the new transducers are stated in the supplied measurement certificate The acoustic path length is given by PathL PathLoriginai Loriginal transd A 7 Lew transd A L Original transd B 7 L New transd B PathLnew New acoustic path length PathLoriginal Original acoustic path length Loriginal transd A Length of original transducer position A Loriginal transd B Length of original transducer position B Lew transd A Length of new transducer position A Lyew transd B Length of new transducer position B The new acoustic path length PathLnew must be calculated according to the above formula and then entered into the database The corresponding database numbers are shown in the table below Description Database Object Number Transducer Pair 1 Length 401 Transducer Pair 2 Length 402 Transducer Pair 3 Length 403 Transducer Pair 4 Length 404 Transducer Pair 5 Length 405 Transducer Pair 6 Length 406 Table 3 Database object numbers for path lengths 4 5 Documentation It is important that relevant documentation is updated if transducers are replaced A new printout of the database should be performed or at least the recently entered data must be noted in the log book Page 30 of 31 MNKS024 Kongsberg MPU Parameter Configurat
10. elio B Multipath Ultrasonic Gas Flow Meter MC Technologies MPU Series B 6 Long Transducers Transducer Replacement Procedure Procedure Manual MNKS024 Note This manual is the Transducer Replacement Procedure for the old style MPU Series B 6 Long Transducers The Most Trusted Name In Measurement This page is intentionally left blank TABLE OF CONTENT 1 INTRODUCTION emt 1 1 Contact Address if Assistance is Required Bee MOODY GIN PEE LT DERE Cg ioco 1 4 Equipment Required iren tna inte cae ee e caeco pcenis 1 5 Consumables ecrire ne ee eee 1 6 Reference Documents eerouneceie iie eno e um etn ccce ecu nu ke uera a uuE VINE Cul meer Sete eect este ee eee ies 2 DISMOUNTING PROCEDURE sicsccscccctcciscesectteicinicnierteccizienemtscleccicneiens 2 1 Dismounting Short Form eese 2 2 Dismounting Cable Gland From End Cover 2 2 1 Dismounting European MOdel ccccccccccecceeeeeeeeseeeseeseeeeennes 2 2 2 Dismounting USA Model sssseeeneee 2 3 Dismounting End Cowver eese nnns 2 4 Dismounting Fastening Cover eeeeeeeeeeeeeee 2 5 Dismounting the Transducer eeeeeeeeeeeeeeeeeeeee 3 MOUNTING PROCEDURE 52th ore it oret corn euer ees 3 1 Pre mounting Procedure ecce rere E
11. h a plastic hammer on the sides while pulling out Be aware of the temperature effects on metal Page 13 of 31 MC Technologies MPU Transducer Replacement Procedure C Make sure that the Fastening Cover is not subjected to water ingress or mechanical damage while dismounted Locking Screw Picture 4 Fastening Cover Parts Fastening Cover Assembly Locking screw Seeger ring 12 mm Fastening Cover DIN472 DIN1 4122 diei SS Back up ring 6 6x9 0x1 0 f a locking position Screws M8x35 DIN912 A4 80 S O Figure 3 Fastening Cover Assembly Mounted Locking screw in j Locking screw in Page 14 of 31 MNKS024 Kongsberg MPU DISMOUNTING PROCEDURE Ultrasonic Gas Flow Meter 2 5 Dismounting the Transducer A If the Fastening Cover is removed or the Locking Screws are in outer position see Figure 3 the Transducer can be removed Enter the Transducer Removal Wrench TRW to the threads of the Transducer and turn clockwise two to three turns Then pull the Transducer carefully straight out using the TRW CAUTION Do not use any kind of tools which may damage the Transducer while dismounting Pay special attention to the transducer front and the flame path section B Make sure that the Transducer is not subjected to water ingress or mechanical damage while dismounted C While the Transducer is removed one must inspect the inside of the nozzle for damages grease or pollution f
12. hreads Take care not to squeeze the Transducer cable wires CAUTION Required torque is 44 Nm H For USA model pull the coating over the Conduit Gland Picture 7 End Cover Parts MNKS024 Page 25 of 31 MC Technologies MPU Transducer Replacement Procedure This page is intentionally left blank Page 26 of 31 MNKS024 Kongsberg MPU Parameter Configuration Ultrasonic Gas Flow Meter 4 PARAMETER CONFIGURATION 4 1 General MNKS024 It is necessary to update the database if transducers have been replaced During first time assembly database configuration will be a part of the process and this chapter will be irrelevant Updating the database requires knowledge of how to manouvre in the MPU 1200 database and shall be performed by trained personnel Spare transducers are delivered in pairs with a calibration certificate for each temperature and pressure combination with corresponding signal frequency and measurement certificate of the length of each transducer The spare transducer pair is calibrated in an arbitrary position They can be mounted in any position but it is important that the transducers are kept within the same pairs A Calibration Node is defined as a combination of pressure and temperature Definition of transducer pairs Position Position Group A Group B 1A 1B 2A 2B 3A 3B 4A 4B 5A 5B 6A 6B Table 1 Transducer pair definition Page 27 of 31 M
13. ibrated in pairs The transducer delays and delta T for spare transducer pairs are found in the supplied calibration certificates one certificate for each calibration node These must be entered for the respective Calibration Nodes Make sure that the calibration data is inserted for the correct pressure and temperature combination The data can be entered using the MPU WinScreen program Instructions can be found in USM 0000020565 WinScreen User Manual MPU Series B 1 The database object number for the respective Calibration Nodes are shown in the table below Database Object Number Description Node 1 Node2 Node3 Node4 Node5 Node 6 Cal Node x Pressure 500 509 518 527 536 545 Cal Node x Temperature 501 510 519 528 537 546 Cal Node x Signal Type 502 511 520 529 538 547 Cal Node x Tr Delay 1 503 512 521 530 539 548 Cal Node x Tr Delay 2 504 513 522 531 540 549 Cal Node x Tr Delay 3 505 514 523 532 541 550 Cal Node x Tr Delay 4 506 515 524 533 542 551 Cal Node x Tr Delay 5 507 516 525 534 543 552 Cal Node x Tr Delay 6 508 517 526 535 544 553 Table 2 Database object numbers for zero calibration nodes Page 29 of 31 NIC Technologies MPU Transducer Replacement Procedure 4 4 Update path lengths Due to minor variations of the length of the transducers new data for the acoustic path length has to be entered when transducers are chang
14. ion Ultrasonic Gas Flow Meter 4 6 Example Imagine the following situation 1 A fault is detected at transducer number 5A 2 Spare transducers are calibrated at pair 1 3 The system has 3 nodes What to do Replace transducer 5A with spare transducer 1A position Group A 2 Replace transducer 5B with spare transducer 1B position Group B 3 Check the pressure and temperature combination for the 3 nodes by reading the database see Table 2 4 Then locate the 3 correct calibration certificates according to the right combination of pressure temperature and frequency 5 Enter the new transducer delay for the 3 nodes into the database data for spare transducer 1A at position 5A and data for spare transducer 1B at position 5B 6 Calculate new path length according to the formula in section 4 4 7 Enter the new calculated path length for path 5A 5B into the database see Table 3 8 Update documentation MNKS024 Page 31 of 31 The specifications contained herein are subject to change without notice and any user of said specifications should verify from the manufacturer that the specifications are currently in effect Otherwise the manufacturer assumes no responsibility for the use of specifications which may have been changed and are no longer in effect Contact information is subject to change For the most current contact information visit our website at www fmctechnologies com measurementsolutions and click
15. n correct position according to the calibration certificate MNKS024 Page 21 of 31 TMC Technologies MPU Transducer Replacement Procedure Page 22 of 31 A Remove the old O rings and Back up rings B Make sure that the mating faces are clean and dry When cleaning a joint face use a tool which is not likely to score or damage the face and remove any burrs or nicks with an oilstone or fine file CAUTION Make sure that the flamepaths see Figure 4 pos no 15 16 17 do not have any damage If so the part must be replaced C Replace the O rings and the Back up rings on the Transducer see Figure 5 Put silicon grease Gleitmo 750 or equivalent on the new O rings Do not use too much silicon grease on these O rings wipe off superfluous grease before mounting The silicon grease can make an acoustic contact between the Transducer and the Spool Piece which will disturb the ultrasonic signals Make sure that the Transducer Nozzle is clean and undamaged Take note of the complete serial number for the Transducer Insert the Transducer gently into the Transducer Nozzle Qmm If the Transducer is a replacement remember to change the Transducer nameplate MNKS024 Kongsberg MPU Ultrasonic Gas Flow Meter Mounting Procedure 3 5 Mounting Cable Gland to End Cover 3 5 1 MNKS024 Mounting European Model A If removed mount part A of the Cable Gland to the End Cover see Figure 6 below Use Lo
16. neas knee nnmnnn SRNMNES MET 3 1 2 Visual Inspection M 3 1 3 ASSUMPONS kiessen rena EE Ea EAA E RES 3 2 Mounting Short FOrin oui eter rt nece oer ia ee cos 3 3 Mounting the Fastening Cover eene 3 4 Mounting TransdUucer ice orecchie a sna en nnmnnn 3 5 Mounting Cable Gland to End Cover 3 5 1 Mounting European Motel rtt bee etu coin ia tend 3 5 2 Mounting USA Model rore on i postea tee os rone s 3 6 Mounting the End Cover eene 4 PARAMETER CONFIGURATION eeeeeeeeeee nennen nnn 41 CAGE Cei cm 4 2 Calibration Certificate cccccccsceeeeceeeeeeeeeeeeeeeeeeeeeeeeeeeeeesenseeeeneees 4 3 Transducer delay8 iie miii ie nie i Duo Gk uuu Rea RR Run ER E PR ERRN NR REM EAM CRUS 4 4 Update path lengths eere eres 4 5 DOCUMENTATION eeeeeeeeeeeee ener nnnm nnne rnm rh nana he ran rae nans 30 4 6 NE MAINA Ee cs 31 Pictures Picture 1 Flame Paths eee 7 Picture 2 Transducer mounting parts essen enne enne 10 Picture 3 End Cover Parts eee enr RH rere x EE ER ERR E TREES 13 Picture 4 Fastening Cover Parts sees enne enn 14 Picture 5 Transducer with O rings and Back up rings mounted 15 Pictu
17. re 6 Fastening Cover Parts ceeesscecceseseeeceeseeeeecesceceeesseeceeseeeeeeeseaeereesaas 20 Picture 7 End Cover Parts eoe Mister ite oa eo p pate YER RR a pene euin ps 25 Table 1 Transducer pair definition eeeeeeeeeeeeeereeeennn enn 27 Table 2 Database object numbers for zero calibration nodes 29 Table 3 Database object numbers for path lengths eee eeeeeeeceeseeeeeeeeneeeeeeeees 30 Figures Figure 1 Cable Gland and End Cover European Model 11 Figure 2 Conduit and End Cover USA Model esee 12 Figure 3 Fastening Cover Assembly Mounted seen 14 Figure 4 Transducer Mounting sees eene eene nennen nnne enne 19 Figure 5 Transducer Assembly esesseseseeeseeeeere nennen enne enne 21 Figure 6 Cable Gland and End Cover European Model 23 Figure 7 Cable Gland and End Cover USA sse 24 Figure 8 Transducer Calibration Report sese 28 Kongsberg MPU Ultrasonic Gas Flow Meter 1 INTRODUCTION This manual describes mounting and dismounting of the transducers for the MPU ultrasonic gas flow meter delivered by FMC Kongsberg Metering If further information is needed please do not hesitate to contact our service department We reserve the right to make changes to the construction
18. rom the process Pollutions must be removed using suitable tools and liquids preferably isopropanol CAUTION If any damage is discovered to the nozzle this Transducer Nozzle must be clearly marked such that the Transducer Retraction Tool is NOT used on this specific nozzle This must also be reported to the one responsible for the MPU Picture 5 Transducer with O rings and Back up rings mounted MNKS024 Page 15 of 31 MC Technologies MPU Transducer Replacement Procedure This page is intentionally left blank Page 16 of 31 MNKS024 Kongsberg MPU Mounting Procedure Ultrasonic Gas Flow Meter 3 MOUNTING PROCEDURE 3 1 Pre mounting Procedure Before starting the mounting procedure the following procedure must be performed 3 1 1 Cleaning Pollutions must be removed using suitable tools and liquids preferably isopropanol 3 1 2 Visual Inspection e Inspect the inside of the nozzle for damages grease or pollution from the process Transducers with O rings and Back up rings e Tolerances for Fastening Cover mounting 3 1 3 Assumptions It is assumed that the Transducers are zero calibrated MNKS024 Page 17 of 31 NIC Technologies MPU Transducer Replacement Procedure 3 2 Mounting Short Form CAUTION Make sure the Transducers are mounted in correct A B C position according to the calibration certificate Replace o rings and back up rings Use silicon grease on O rings and copper grease e g
19. s Threads Transducer Removal Wrench gt Torque wrench 1 5 Consumables O rings Back up rings Copper Grease Copaslip or equivalent Silicone grease Gleitmo 750 or equivalent Loctite 577 or equivalent 1 6 Reference Documents 1 7 Warnings Page 6 of 31 Document No Title 1 USM 0000020565 MPU User Manual Series B 2 PRD 0000021266 MPU Transducer Replacement Procedure using Retraction Tool Warning Always make absolutely sure that there is no pressure in the pipe before removing the Transducer End Cover Do not use metal tools or similar that can damage the inner surface of the Nozzle when dismounting the Transducers The Nozzle has a very fine O ring surface to make it possible to use the Transducer Retraction Tool MNKS024 Kongsberg MPU Ultrasonic Gas Flow Meter Caution Spesial attention is required to avoid damages to flame paths see Picture 1 If the flame paths are damaged the parts must be replaced and NOT repared Flame paths Md surface Picture 1 Flame Paths MNKS024 Page 7 of 31 MC Technologies MPU Transducer Replacement Procedure This page is intentionally left blank Page 8 of 31 MNKS024 Kongsberg MPU DISMOUNTING PROCEDURE Ultrasonic Gas Flow Meter 2 DISMOUNTING PROCEDURE MNKS024 This procedure describes how to remove and mount a Transducer with NO PRESSURE in the pipeline This can only be done before the spool piec
20. ully pulling it straight out ref section 2 5 Picture 2 Transducer mounting parts Page 10 of 31 MNKS024 Kongsberg MPU Ultrasonic Gas Flow Meter DISMOUNTING PROCEDURE 2 2 Dismounting Cable Gland From End Cover 2 2 1 MNKS024 Dismounting European Model NOTE It is not necessary to dismount the Cable Gland from the End Cover to remove a Transducer A Dismount part C of the Cable Gland See Figure 1 below B Dismount part B of the Cable Gland C Part A of the Cable Gland is connected to the End Cover with Locktite and shall not be dismounted unless the complete Cable Gland must be changed EUROPE End cover Transducer DETAIL A 2 A r Connector DETAIL A Wire loop DETAIL B Ue s Cable gland 7 oe Cable shield Figure 1 Cable Gland and End Cover European Model Page 11 of 31 NIC Technologies MPU Transducer Replacement Procedure 2 2 2 Dismounting USA Model NOTE It may not be necessary to dismount the Conduit from the End Cover to remove a Transducer However it may ease the operation as the Conduit is not very bendable A Pull back the coating over the Conduit Gland B Dismount part B of the Conduit See Figure 2 below C Part A of the Conduit is connected to the End Cover
21. with Locktite and shall not be dismounted unless the complete Cable Gland must be changed USA Model End cover Transducer ring a H DETAIL A Connector ye Cable gland Ds DETAIL A Figure 2 Conduit and End Cover USA Model Page 12 of 31 MNKS024 Kongsberg MPU DISMOUNTING PROCEDURE Ultrasonic Gas Flow Meter 2 3 Dismounting End Cover Before removing the End Cover make absolutely sure that there is no pressure in the pipe A a Remove the 4 screws see picture below located on the End Cover quantity may vary on 6 units Remove the End Cover Disconnect the Transducer Cable Connector Make sure neither the End Cover nor the Transducer Connector is subjected to water ingress or mechanical damage while dismounted Do not leave the End Cover hanging by the Transducer Cable 2 4 Dismounting Fastening Cover NOTE It is not necessary to remove the Fastening Cover to change the Transducer If the Fastening Cover is left mounted the Locking Screws if any must be put to their outer position before pulling the transducer out See Figure 3 below A B MNKS024 Remove the screws Remove the Fastening Cover by pulling it straight out In case the Fastening Cover is stuck to the spool piece knock gently wit

MNKS024

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