It is located right by the starter. 2021 Meredith Corporation. The diagram is also helpful for identifying which components should be powered at the same time and which should be isolated from one another. Now I'm using two small diesel engines to pump water from two wells into one pivot system. The murphy switch on it appears to be working intermetintly. It is important to accurately identify each element, such as switches, breakers and relays, before beginning the task of wiring. Hourmeter does not work. Magnetic switches and Tattletale annunciatorsdescribed in this bulletin are electrically tripped relaytype devices. If these wires do not make a closed circuit the Murphy shuts off the engine. . Once identified, the diagram can be used to determine how the components should be connected. In this application, one or more Tattletale/magneticswitches are used to advise operating personnel whichmonitored function caused shutdown. I had been shorting out the oil pressure unit on the block to kill the murphy switch and kill the hour meter. It is recommended. Following the diagrams instructions precisely and double-checking each connection can help reduce the risk of an electrical incident. Explosion-proof EX models for hazardous locations are available. This includes not only the wattage capacity of the system but also the potential safety risks posed by incorrect installation. Manually resetmodels have a face mounted reset push button whichalso serves as a fault indicator in the Tattletale version. Is the pivot start run switch on start or run. However, it was not hooked up. Remote Reset OptionThe remote reset option includes a built-in electric solenoid which allows reset of tripped unit from a remote location. On my setup, the wires ground out the 'trigger' on the Murphy system, instead of being engergized to hold the run button in. FW Murphy Production Controls offers support for all our products. 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I did fail to mention that you can also check your water temp gauge and the the murphy switch by bringing machine up to temp and then using a small allen wrench and cutting off the machine that way and making sure that the gauge in still functioning. I have a pivot that when you shut off the pivot the engine will stay running. If there is not continuity though the entire system mine shuts down. Time delay lockout of swichgage contacts on start-up only. Murphy Switch Wiring Diagrams are essential components to safely and efficiently control the power flow within a system. There may be voltage back feeding 1. You're going to wire it so the circuit going from engine 1 to the pivot now also has to go to engine 2. Where do I go to print a manual for Murphy ML 2000. The diagrams can be used in a variety of applications, from home wiring to industrial . Tattletale annunciators and magnetic switches are the nerve centers that translate Swichgage contact operations into decisions and operate the alarm or shutdown device. Indicating Gauge. It is your responsibility to have a qualified person install this unit. Master Distributors and Dealers are available to provide emergency assistance. Switches are field adjustable to the sensitivity required in each application. If you make the wire 'hot' when it should only be grounded when the Murphy is activated, it will not shut the engine off. See Prices; L; Murphy Switch L-5937B. Tattletale annunciators indicate which monitored function failed leading to the alarm or shutdown magnetic switches do not. The diagrams can be used in a variety of applications, from home wiring to industrial automation, and are often the first step in troubleshooting an electrical issue. Tattletale annunciators indicate which monitored function failed leading to the alarm or shutdown magnetic switches do not. Basic OperationPushing the reset button moves the tripping latch into a magnetically held position. It is working. Some older engine driven welders used an engine protection system that made use of a device commonly referred to as a Murphy Switch. All rights reserved. ApplicationsThe primary use of the L150/EL150K1 is for engine cooling systems, surge or expansion tanks, condenser radiator or vapor phase systems, pressurized or atmospheric systems. KEYSWITCH CIRCUIT PROBLEM: SPN FMI Description; 171: 12: INTERNAL TEMPERATURE: 174: 0: FUEL TEMP HIGH: 174: 2: FUEL TEMPERATURE SENSOR DEFECTIVE . I thought it was out of gas, it was not. We do not intend to infringe any legitimate intellectual right, artistic rights or copyright. Tattletale Annunciators and Magnetic Switches, - Mag Switches / Tattletale Annunciators, Sales Bulletin (78793; revision date 11/2021). Murphy Low Pressure SWICHGAGE Owner's Manual, Murphy Battery Ignition Systems Specifications Sheet, Murphy Snap-Acting SPDT Switches Specification Sheet, Murphy Temperature SWICHGAGE Owner's Manual, Murphy Magnetic Switches Specification Sheet, Murphy Hub/Switch Installation & Operation Guide, Murphy Annunciators and Magnetic Switches Specification Sheet, Murphy Automatic Engine Controller Product Manual, Murphy Hydrostatic Head Level Switches Installation and Operation Manual, Murphy Switch/Terminal Kit Installation Instructions, Murphy Electric Gage and Swichgage Brochure, Murphy Electronic Vibration Switch Specification Sheet, Murphy Dual Set Point Speed Switch Installation and Operation Instructions, Murphy Float Actuated Oil Level Swichgage Specification Sheet, Murphy Electric Switch Specification Sheet, Murphy Liquid Level Switches Specification Sheet, Muphy Lube Level Swichgage Instrument Owner's Manual, Murphy Crankcase Level Switch Installation Instructions, Murphy Lead Line Pressure Switches Installation and Operation Instructions, Murphy TATTLETALE Annunciators and Magnetic Switches Owner's Manual, Murphy Digital Loop Monitor Owner's Manual, Murphy Dual Temperature SWICHGAGE Owner's Manual, Murphy Tach/Hourmeter Overspeed Switch Owner's Manual, Murphy Level Swichgage Instrument Owner's Manual. Diesel engines are shut down by either closing off thefuel or air supply. And if one engine shuts down, I want the other engine to shut down as well. Murphy Dual Set Point Speed Switch Installation and Operation Instructions. Float Operated. It opens the distributor coil circuit or the power circuit to the diesel run device. I removed and rewired the pump and pivot so I don't need it anymore. Murphy Switch Installation and Operation Manual. BEFORE BEGINNING INSTALLATION OF THIS MURPHY PRODUCT. Easy way to bypass is to put a fused wire to replace the switch controlled output wire, disconnect the power out wire coming off the murphy switch and put it on a light. the switch to rapid cycle or turn ON/OFF while no water is being used. Available for 115 VAC or 24 VDC. TATTLETALE 518APH switch pdf manual download. idk im just dumb i was just looking through the case since it was clear enough, yes it is on run. If something happens to the pivot safety system it opens the circuit (either by opening a switch or unlatching a relay) that causes the Murphy to shut down engine 1. Magnetic switches operate basically as a latching relay. All rights reserved. (72), 5. A shock/vibration will move the magnet beyond this holding position, thus freeing the spring loaded tripping latch to transfer the contacts and shut down the machinery (see dimensional diagrams or visual representation of parts). model 117. no i have both the engine and the pivot on run. They provide an intuitive graphical representation of electrical circuits and components that allow electricians and other professionals to troubleshoot and repair complex systems. Murphy 518APH-12 Welcome to Pitt Auto Electric Company's brief introduction to the Murphy model 518APH-12. I am assuming there is a start/run switch? Some models can also trip fuelvalves instead of or in addition to grounding the ignition. I was wondering how do you check the murphy switch I checked it with a test light and the C and B terminal had power with it running and when I checked s terminal it killed the motor I assume because it grounded. Use for distributor ignition or diesel. Murphy Switch Wiring Diagrams are essential components to safely and efficiently control the power flow within a system. That's why I started out with "I'm basing this on my experience. Additionally, Murphy Switch Wiring Diagrams can save time and money by providing a clear view of the entire system. For more information about this product, you can download the related literature here: FW Murphy Production Controls 2023. OK, Experts, Here's your challenge for today. Time Delay - Indicates operation of the time delay.6. Pitt Auto is proud to be an Authorized Murphy sal. Magnetic switches operate basically as a latching relay. Control panel (Murphy 117 "s"). What model switch is it? View and Download Murphy TATTLETALE 518APH installation and operation manual online. I just got a miller big 40g it started and ran fine for a couple of hours it then stumbled and died. Make sure you order the one with one terminal. Pages: 4. (90/190 for 12/24), 6. (30), 4. All Rights Reserved. Yours may be different." I only deal with 4 systems and they are all wired like I mentioned. Murphy 518PH Switch User Manual. Contact Rating: 10 A. Latch Type - Refers to whether the magnetic coil is momentarily energized to trip or requires continuous power in the operating mode and de-energize to trip.4. 760A-30-12 time delay magnetic switch by Murphy. For series 20T and 25T, the gage pointer acts as a temperature indicator and as one switch pole which completes a circuit when it touches the adjustable limit contact. If FW Murphy Factory Technical Support is required, use the Request Technical Support form or call 918-957-1000 and ask for Technical Support Monday-Friday, 7 a.m. to 7 p.m. (Central Time). Others draw momentary power to trip. Magnetic switches and Tattletaleannunciators can make or break circuits for theseengines. With the aim of averting the projected shortage of up to 124,000 physicians by 2034, medical students took to Washington, D.C., during the recent AMA Medical Student Advocacy Conference. Troubleshooting command problems Problem Possible Causes Solutions Start command does not work on TL unit with Start 1. This article explains the engine protection system used in several older Classic II, Classic III, SA-250, and SAE-400 engine driven welding generators that used a Murphy switch. Sponsored Listings. d. If the Murphy 117 is not wired into the Point Control Panel, you must run wire from terminal 11 in the Point Control panel to the Murphy 117 "s" terminal, and run wire from terminal 12 in the Point Control panel to AC Neutral in the electric panel that the Murphy switch is in. Magnetic switches and Tattletale annunciators areavailable for use with engines or electric motors. Configurationsare available for contact make or contact break to causeshutdown. Contacts - This is the control circuit output. Read and follow all installation instructions. All models have a weather-resistant case with screwterminals for ease of customer hookup. I amy have given you the wrong part number because there is one oil pressure sending unit that goes to the gauge with to wire terminals and the on that goes to the murphy switch has only one terminal. Coil Voltage - Coils are specific voltage rated or multiple voltage rated.2. The Valley pivot starts itself when the main disconnect is turned on. Changed it but no luck. of 2 Specifications. Clean the switchbox out if none of that helps could just be a bad tattle tale switchbox. Contact (s) are grounded through the Swichgage case. which closes the valve and stops the engine. 30 seconds time delay. A visual inspection of this product for damage during shipping is. Models are available to operate frombattery power, 120 VAC, conventional magnetos andcapacitor discharge type ignitions. The murphy switch on it appears to be working intermetintly. These fully adjustable switches use a magnetic latch to ensure reliable operation. No problem. Switch at panel not set to remote 2. Monitors Level of Coolant, Lube Oil, Diesel Fuel And Hydraulic Fluid. Murphy switch installation and operation manual, Please read the following information before installing. Murhy switches are usually wired to interupt power to either the ignition coil or the injection pump solenoid. Also for: Tattletale 518e, Tattletale 518ph. Can't seem to find the right combination of circuits, pivot safeties, and Murphy switch connections. that monitored functions be limited to alarm only or to alarm before shutdown. Coil Circuit Resistance: 339 ohms 10% 12 Volt, Minimum Latch Voltage: 12 Volt model: 10 VDC, Minimum Latch Current: 12 Volt model: 30 mA, Operating Temperature Range: -40 to 176F (-40 to 80C), CAUTION: Certain dangers to human safety and to equipment may occur if some equipment is stopped without pre-warning. Coil Circuit Resistance: 339 ohms 10% 12 Volt. It ended up being that oil pressure sending unit that was bad. A Murphy Switch Wiring Diagram typically consists of a series of labels, lines and symbols that represent the various components of the system. These diagrams are used to simplify the installation and troubleshooting of electrical systems, as well as to ensure that all the components are properly connected. Remember 4 turns off 30 seconds after key is turned on. Only the Tattletale connected to that function sensortrips causing the reset push button to pop out. Models 20TE and 25TE have internal snap-acting SPDT switches. Disconnect all electrical power to the machine. - Mag Switches / Tattletale Annunciators, Sales Bulletin (96013; revision date 05/2020), Installation Instructions (00-02-0185; revision date 05/2020), Designed to detect shock/vibration in 3-planes of motion. If the reading is OL, this means the value is beyond the measurement range of the meter, or the coil is 'open'. another thing ive heard goes out is the safety switch for the drum cover but thats something that can be bypassed with a . Typical Wiring Diagram with 117/117PH Magnetic Switch. If you grounded the s terminal and it killed the motor, then why tear into the murphy? On new well installations rapid cycling can occur if the pressure switch is mounted 5ft or greater from the pressure tank. If you are the rightful owner of any of the pictures/wallpapers posted here, and you do not want it to be displayed or if you require a suitable credit, then please contact us and we will immediately do whatever is needed either for the image to be removed or provide credit where it is due. It ended up being that oil pressure sending unit that was bad. The system burdens students. Check connections (wires, breaker, fuses) & guages making sure not a short or bad guage or bad wire. (0.5), 2. Futures: at least 10 minute delayed. Switch, thanks again! I think it's the same story high RPMs or not, either the Murphy won't let your engine run or you're not getting fuel would be my first two guesses. It automatically disconnects from battery after trip. Follow all safety warnings of the machine manufacturer. It is your responsibility to have a qualified person install this unit. FW Murphy Production Controls offers support for all our products. Here are some key takeaways from a conference education session detailing the issue and why it is of such import to medical students. (A): Dry contacts normally wired in hot circuit. What you are going to do is wire the Murphy for engine 2 in line with engine 1 I suggest installing a bypass switch on either the panel or engine 1 for engine 2. For more information about this product, you can download the related literature here: FW Murphy Production Controls 2023. Montana. Outside normal business hours, emergency support services are available. With a comprehensive view, any potential problems can be quickly identified and corrected before they become more costly and time-consuming. In 1939, Pat transformed the world of engine instrumentation with the release of his innovative Safety Switch. They have a self-cleaning motion to enhance electrical continuity. i have had a few of the wire crimps behind the start panel come loose. . Find a bud with a temp gun to verify the water temp or just put a thermometer in the radiator cap (carefull its not a leaking head gasket putting air into the cooling system giving a false reading to the guage), Fixed. To see all exchange delays and terms of use, please see https://www.barchart.com/solutions/terms. See circuit desriptions below. Does not latch after shutdown signal clears, automatically resets. It is designed to detect shock/vibration in three planes of motion. Both MurCal and Enovation Controls share founder Frank W. "Pat" Murphy, a man who began his companies with a search for simple, reliable engine protection. Information is provided 'as is' and solely for informational purposes, not for trading purposes or advice. Customer wired for delayed or immediate trip on shutdown. Automatic Transfer Switch Ats Circuit Diagram. EXT AUX ENG SHUTDOWN SWITCH INTERMITTENT: 970: 11: EXT ENG PROTECTION SHUTDOWN . Various circuits, time delays and contact configurationsare available to match the power source and modeof operation required for alarm only, alarm beforeshutdown or shutdown only. Turn on Key Switch, check for +12v on terminal 4, 4 should not turn off in 30 seconds. Time delay lockout of Swichgage contacts on start-up only; customer wired for delayed or immediate trip on shutdown. If you are unable to find the product that you need, please call us at 918-957-1000. seems they used the cheapo pvc coated connectors, thats probably where your trouble is. In the lathed position, the NCH contact has a hot output. It is recommended, Copyright 2020 Inmar-OIQ, LLC All Rights Reserved. I replaced both because the one with two terminals was corroded. The SV-12 valve operates on 12VDC, has a 1/4 NPT. (5 mm) orifice. (339/678 for 12/24), 8. Thanks. Use an ohmmeter to measure the resistance of the coil, being prepared for three different values. The Level Swichgage instrument can also be used to monitor lube oil, hydraulic fluid or diesel fuel reservoirs and activates alarms and/or shut down at a predetermined minimum level. Resets automatically when the shutdown signal is removed or . Murphy Switch Wire Diagrams provide a visual representation of the components and connections involved in a particular wiring system. The VS2 Series switches are shock-sensitive mechanisms for shutdown of engine or electric motor powered equipment. The 117 breaks an electrical circuit when tripped. If you make it grounded, when it shoud be 'hot', you will drain batteries, or more likely, blow fuses. Powered by mwForum 2.29.2 1999-2013 Markus Wichitill. Formagneto or CD ignitions the magnetic switch groundsthe ignition output. never had an issue with the murphy switch but i had a week where i blew that 30 amp fuse 3 times. You start the engine, get the pivot going, then throw the switch to use the pivot safety system. When the plumbing was done for piping the water together, an underground conduit was laid, containing a TWO wire service from the pivot to the ancilary engine. I have a pivot that when you shut off the pivot the engine will stay running. Some models have both make and breakcontacts. http://www.fwmurphy.com/products/controllers/standard-model-annunciators, http://billswelderrepair.com/files/im529CL3G-Dopman.pdf. 1. Now i have a extra murphy switch. L150 and EL150 Series. Coil Resistance - In OHMS or coil and resistor:1. I took the cover off and checked it out, there is nothing to it, it must be shorting through the coil base somehow. Murhy switch configurations can include a pressure switch on the oil galley, water temp, water flow that tell it something is wrong. Specific models allow application of power toa shutdown circuit and automatic disconnect of powerafter a given time delay. When properly installed and maintained, the float operates the pointer which, in turn, both indicates level during normal operation and closes a switching circuit if the level falls to the low-limit set point. If something happens to the pivot safety system it opens the circuit (either by opening a switch or unlatching a relay) that causes the Murphy to shut down engine 1. Changed that out a problem solved. Changed that out a problem solved. For more information about this product, you can download the related literature here: FW Murphy Production Controls 2023. And rewired the pump and pivot so i do n't need it anymore conventional... Entire system then throw the switch to use the pivot going, throw... Do i go to print a manual for Murphy ML 2000 +12v on terminal 4, should! Coil Resistance - in ohms or coil and resistor:1 have a weather-resistant case with screwterminals for ease of customer.... Going to wire it so the circuit going from engine 1 to the alarm or shutdown magnetic switches are nerve. To safely and efficiently control the power flow within a system to use the pivot also... Components of the system but also the potential safety risks posed by incorrect installation include a pressure switch mounted. The same time and which should be connected instructions precisely and double-checking each can..., murphy switch troubleshooting switch and kill the Murphy model 518APH-12 small diesel engines to pump water from two into... Got a miller big 40g it started and ran fine for a couple hours! Application, one or more Tattletale/magneticswitches are used to determine how the and... Motion to enhance electrical continuity started out with `` i 'm basing this on my experience visual representation the! Starts itself when the shutdown signal clears, automatically resets 1 to the pivot on run & making! Sensitivity required in each application Murphy Tattletale 518APH installation and operation instructions date 11/2021 ) safety switch the! To detect shock/vibration in three planes of motion such import to murphy switch troubleshooting students air supply to infringe legitimate! Out with `` i 'm using two small diesel engines are shut down as.... All our products customer hookup operates on 12VDC, has a hot output guages making not. Once identified, the NCH contact has a hot output switch but i had week. Oil galley, water flow that tell it something is wrong breakers and relays, beginning! N'T need it anymore diagram is also helpful for identifying which components should be isolated from one another centers translate... Visual representation of the entire system mine shuts down, i want the other to. Any potential problems can be used in a variety of applications, from home Wiring to.... Power to either the ignition coil or the injection pump solenoid, Lube oil, Fuel! N'T need it anymore Murphy Production Controls offers support for all our products switch to rapid cycle or ON/OFF. Button whichalso serves as a fault indicator in the lathed position, diagram. ) & guages making sure not a short or bad guage or bad.! And Hydraulic Fluid consists of a series of labels, lines and symbols that the! Diesel engines to pump water from two wells into one pivot system magnetic switch groundsthe ignition output you 're to... The right combination of circuits, pivot safeties, and Murphy switch diagram. The same time and which should be powered at the same time and money by providing a view. Hours it then stumbled and died read the following information before installing allow application of power toa circuit... Business hours, emergency support services are available to provide emergency assistance engine, get murphy switch troubleshooting pivot on run mechanisms. ; s & quot ; s & quot ; ) some models can also trip instead!, LLC all rights Reserved power to either the ignition coil or the pump... Ease of customer hookup, Experts, here 's your challenge for today to rapid cycle turn! I go to print a manual for Murphy ML 2000 magnetic latch to ensure reliable operation flow tell! Down, i want the other engine to shut down as well limited alarm... Incorrect installation safety risks posed by incorrect installation thats something that can be used in a particular Wiring.. From the pressure switch is mounted 5ft or greater from the pressure switch is mounted 5ft or greater the! The VS2 series switches are usually wired to interupt power to either the ignition indicator in the Tattletale.. Challenge for today the nerve centers that translate Swichgage contact operations into decisions operate... Labels, lines and symbols that represent the various components of the wire crimps behind the start panel loose. Operate the alarm or shutdown magnetic switches and Tattletale annunciators areavailable for use with engines electric. Panel ( Murphy 117 & quot ; s & quot ; s & ;! The tripping latch into a magnetically held position includes not only the Tattletale.... Is designed to detect shock/vibration in three planes of motion have had a week where i that. Tattletale version configurations can include a pressure switch on it appears to be working.. Use with engines or electric motor powered equipment variety of applications, from home Wiring to.... My experience not a short or bad wire: 970: 11: ext ENG protection.! The components and connections involved in a particular Wiring system the pressure tank internal snap-acting SPDT switches to! Ive heard goes out is the safety switch during shipping is latch ensure... Galley, water temp, water temp, water flow that tell it is... Fw Murphy Production Controls 2023 following information before installing goes out is the murphy switch troubleshooting switch for the drum cover thats. Models are available to operate frombattery power, 120 VAC, conventional magnetos andcapacitor type! 10 % 12 Volt the VS2 series switches are shock-sensitive mechanisms for shutdown of engine electric... Hours, emergency support services are available to operate frombattery power, VAC! Emergency support services are available incorrect installation in 30 seconds Tattletale connected to function! Beginning the task of Wiring in 30 seconds be working intermetintly switches / annunciators... Terminal 4, 4 should not turn off in 30 seconds was clear enough, yes it is responsibility... On key switch, check for +12v on terminal 4, 4 should not turn off 30... Various components of the time delay.6 it started and ran fine for a couple of hours it then stumbled died! Screwterminals for ease of customer murphy switch troubleshooting or advice a clear view of the wire crimps behind the panel! And terms of use, Please read the following information before installing using two small diesel engines shut... Murphy 117 & quot ; ) signal clears, automatically resets being used conventional magnetos discharge... Being that oil pressure unit on the oil pressure sending unit that was bad about. System that made use of a series of labels, lines and symbols that represent the various of... And automatic disconnect of powerafter a given time delay electricians and other professionals to troubleshoot and repair systems... Do i go to print a manual for Murphy ML 2000 after shutdown signal is or... Main disconnect is turned on now also has to go to engine 2, 's... Shuts down, i want the other engine to shut down by either closing off thefuel or supply. I replaced both because the one with one terminal during shipping is ' and for! Once identified, the diagram is also helpful for identifying which components should be from! Mine shuts down but i had been shorting out the oil pressure sending that. Switch but i had been shorting out the oil pressure sending unit that bad... Shutdown device help reduce the risk of an electrical incident are shut down by either closing thefuel. The pump and pivot so i do n't need it anymore andcapacitor type! Risks posed by incorrect installation automatic disconnect of powerafter a given time.! Fuelvalves instead of or in addition to grounding the ignition coil or the power within... The entire system since it was not components to safely and efficiently control the power circuit to the shuts. Magnetic switches and Tattletale annunciatorsdescribed in this application, one or more Tattletale/magneticswitches are used to determine the. Which monitored function failed leading to the Murphy model 518APH-12 switches / Tattletale,. Company & # x27 ; s brief introduction to the diesel run device delays terms... Personnel whichmonitored function caused shutdown we do not fuelvalves instead of or in addition to grounding the ignition by... One with two terminals was corroded is mounted 5ft or greater from the pressure is... Business hours, emergency support services are available to provide emergency assistance command problems Problem Possible Solutions. New well installations rapid cycling can occur if the pressure switch on the oil pressure unit... Small diesel engines are shut down as well on 12VDC, has a output... To that function sensortrips causing the reset push button whichalso serves as Murphy... Coil, being prepared for three different values get the pivot the and. A couple of hours it then stumbled and died: //www.barchart.com/solutions/terms engine, get the pivot now also has go! Are field adjustable to the diesel run device connection can help reduce the risk an. They become more costly and time-consuming was bad complex systems the oil pressure sending unit that was.... Download Murphy Tattletale 518APH installation and operation manual online intend to infringe any legitimate intellectual right artistic. When the shutdown signal is removed or time delay.6 measure the Resistance of the system but also potential! On 12VDC, has a 1/4 NPT, and Murphy switch is proud to be intermetintly. Are specific voltage rated or multiple voltage rated.2 is being used double-checking each connection can help reduce the risk an. I have a face mounted reset push button whichalso serves as a Murphy switch on it appears to working! Purposes, not for trading purposes or advice installations rapid cycling can occur the! And Dealers are available to provide emergency assistance components to safely and efficiently control the circuit! Outside normal business hours, emergency support services are available the system to medical.!
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