In the absence of smallpox, the main clinical diagnostic problem is the differentiation of human monkeypox from chickenpox. Fuel injection problems, therefore, are one of the most pressing engine problems to deal with. 80 Add to basket; Lead security anti-tamper seal for various pumps £ 2. Remove the bleed screw on the pump and insert a 0-10 or 0-30 PSI pressure gauge. Ford 5000 Simms pump - Technical IH Talk - Red Power Magazine Community. 9 de abr. Now a company called Oxitec, funded by the Gates Foundation, is currently releasing a billion genetically-modified mosquitos in Florida. Log In My Account fx. Feb 08, 2015 · Joined Mar 29, 2007 Messages 1,007 Location British Columbia, Canada Tractor 1959 MF-65 sold, 2007 Jinma 554 diesel. A penis pump is a cylinder-shaped, air-filled chamber that you attach to your pelvic area. 4HE1 Removal, Timing, and Installation Simms Injector Pump Assembly - Ford Tractor Yanmar diesel problem!. Does anyone know where I can find a kit with all the gaskets & o-rings? Thank you in advance for any assistance you can give. What people are saying - Write a. Ranging from single cylinder motors,. 50 shipping Simms 4Xc 4 Cylinderparts $60. • explains all parts of the marine diesel system - fuel, lubrication, breathing, electrics, stern gland, propeller etc. com, of which other auto engine parts accounts for 24%, fuel injection pumps accounts for 1%, and injector nozzles accounts for 1%. Fuel injection pump. Thread starter GoFaster. The water supply is provided by a pressurized area in the jet pump between the impeller and venturi. palo alto nat configuration example. i have cleaned the diesel tank, changed the shut off valve in. With dependency injector you can just look at. The serial number on the current injection pump is P4665. 2 With Manual Injection Pump, Part 1 Calibrating A May 3th, 2022 Simms Diesel Injection Pump Manual - Parts. This injection pump fits the 9000 and 9600 turbocharged Ford tractors. zt qo. The twilight zone is real. Cut off the pintle cap and remove the spacer. com Troubleshooting Diesel Engine Fuel Injection Pump. Start new topic. With over 35,000 parts available for diesel injection. Simms Minimec Spare Parts Archives - Diesel Injection Pumps Brief breakdown on how to assemble a Simms pump with some plunger and barrel talk #Ford #Injector #pump Simms Injector Pump Assembly - Ford Tractor - YouTube DB P5009 simms fuel injector problem. Injection Pump: 301B60: USE SDTTO4N8058: Turbo Charger: 375B60: USE SDTTO4N8058:. 1 or 2 inches above the pump. 00 From $92. The fuel pump is one of the most vital components for making the car run. Fuel injection pumps using the port and helix metering principle requires the use of (b) provide the greatest pump efficiency. Simms Injection Pump. austin attractions tx. In my mind, the word major would imply that the barrels and plungers were replaced. But, once the injection pump had been rebuilt, the car was good for another 5 years of great mileage and minimal problems. Injection Pump: 301B60: USE SDTTO4N8058: Turbo Charger: 375B60: USE SDTTO4N8058:. Fordson Major Injection Pump repair Video Covering The Simm's Pump. Simms injection pump problems. Pump shaft is well indexed to the gear so no problems with timing there. In some cases, pump can be removed while leaving injection lines still fitted to engine clamps, but in most cases they interfere with pump removal and therefore require removing injection line vibration clamps and removal from injectors, then injection lines can either be pulled out of the way or removed entirely. Taking the pump apart is usually a lot more difficult when the rack is stuck, knowing not to apply a lot of force to the rack is the first thing to know, the second is to learn that the barrel normally drops in from the top of the pump, and the plunger is put in from the bottom, so when the plunger becomes seized inside the barrel, there’s a disassembly problem. 2 роки тому. It should not be necessary as the pump is lubricated with engine oil that drains back to the sump or in rotary pumps , is lubricated with diesel fuel. 5L problems include cracks propagating in the main caps and crankshaft failures from aging/fatigue of the harmonic balancer. Simms Diesel Pump Injector Repair Request Free Quote Now or call 414-421-7222 to find out more about local or by-mail part repair services. Without drugs, injections or surgeries, vacuum erection devices have a lower risk for complications. There are two set "screws" that have holes for wire, but no wire in them. I had to remove the broken stud later which I. So,after seeing little diesel at the injectors when priming with new fuel, i decided to bring the simms into my local diesel shop for a checkup. Do you think there could be a problem with my fuel, that caused this? I hate to fix it and then kill the next injector pump with bad fuel. Though it's not rare for a man to have some problems with erections from time to time, ED that is progressive or happens routinely with sex is not normal, and it should be treated. The Dexta had a pneumatic governed pump until April 1962, the Super Dexta was never fitted with a pneumatic governed pump, it had a Minimec from its first production in 1962. Troubleshooting Diesel Engine Fuel Injection Pump Problems Brand New Lucas Simms Diesel Fuel Injection Pump for Ford. by suranson » Thu Apr 10, 2014 4:34 am. Regeneration injectors. Worked good till parked for awhile. zt qo. Best slaughter house > around if you ask me. Remove all fuel line connections. Fuel Injection Pump High Res Stock Images | Shutterstock. Lucas-Bryce Lucas-Simms Motorpal Sigma Zexel. View Fullscreen. Shop great deals - Buy 1, get 1 free (add 2 to cart) - Simms Injection Pump Gasket Kits - Minimec Sale - eBay Altamonte Diesel. Log In My Account fx. A clean diesel fuel pump injector is a happy diesel fuel pump injector. For Ford INJECTOR PIPE SET 5000- SET of 4 - SUITABLE FOR SIMMS IN-LINE PUMP. Simms Injection Pump P5144/4 - $1,085. Hint: they all use Dagger. Simms Diesel Injection Pump Parts Ebay equipped with a HD resolution 300 x 400. The VP44 injection pumps come with a 1yr unlimited mileage warranty. 2018 - injector pump problem is this an issue with the throttle in the injector pump simms with a simms pump you have to. 60,0 MM. next day. Distance in kilometers. Oil 2 48. Servicing Simms injector pump on a Nuffield 10/60. 29 de jan. I'll go through 3 working solutions. ai; sp. ud; yw. We have a full range of lift pump repair kits for a range of engines including Amal, AC, BCD, FCM, Perkins, Friedman and Maier. What people are saying - Write a. 97/mo with. Log In My Account jz. Took apart the Simms injection pump to free up the fuel plungers. In some cases, pump can be removed while leaving injection lines still fitted to engine clamps, but in most cases they interfere with pump removal and therefore require removing injection line vibration clamps and removal from injectors, then injection lines can either be pulled out of the way or removed entirely. Simms injection pump problems. In spite of everything you have done and replaced, it sure sounds like fuel starvation to me. Worked good till parked for awhile. A penis pump creates a vacuum seal over your penis, which draws in blood and helps you get it up. Thanks Dieter, I found out that the oil in the pump is all gone. how fuel injection pump,diesel pump problem. In my mind, the word major would imply that the barrels and plungers were replaced. SAI pump runs too long at cold startup, almost 5-6 min. The engine control module is a computer that analyzes information to control your boat’s performance. Learn more. The top end of our range are the 8. Fuel Injection Pump Compatible with Massey Ferguson 50C 31 180 575 270 50 255 675 375 265 565 175 168 50D 6500 261 275 50B 1446876M91 Landini 6070. Any tiny fuel leaks in the lines can cause air. Doing some fixin and have some questions. Shop with confidence. 22 P&P. With dependency injector you can just look at. I would DEFINATLY fix the problem before running the engine again. Inject-start connections for the 600-series pump. Enquire for more details. Total Measure. In some cases, pump can be removed while leaving injection lines still fitted to engine clamps, but in most cases they interfere with pump removal and therefore require removing injection line vibration clamps and removal from injectors, then injection lines can either be pulled out of the way or removed entirely. 72 in) piston stroke. 9 de abr. simms injection pump problems rh yr May 29, 2010 · Step1 - Check Fuel Lines. The Simms Pneumatic Governed pump on the Fordson Major Diesel only requires oil refilling if the pump has been dismantled and is being reset on a pump test rig. Created with Highcharts 10. I am in the process of rebuilding mine on the 5000 before anybody jumps down my throat I'm going to take it to the diesel shop when I'm done and fine tune the fuel delivery. Ford 3000 Simms recoditioned injector pump P4665 | eBay. 7 Items. The fuel injection pressure control function (rail pressure control) controls the pump discharge. WAR(4-233/4-256) #*'18=MIDDLE 5000&E6600/6700 FORD. 5L problems include cracks propagating in the main caps and crankshaft failures from aging/fatigue of the harmonic balancer. Feb 01, 2018 · A Simms pump is lubricated with oil and the oil level in the pump as well as changing the oil have to be done as specified. Penis Pump Technology for Fast Results. Could a blocked return cause this on a bosch? Keep the ideas comming. Tap the new filter into place with a mallet. Best slaughter house > around if you ask me. · It is: Injection Pump, New Part Number 1447169M1 There are also two options for gasket kits/repair kits 743064M91 3641832M91 FITS: A4-236, A4-248 MF175, 180 , 265, 275 WATER PUMP W/GASKET PART NO The engine sounded good during the short period we had running Forza Horizon 4 Sniping Bot Ford DPA Rotary, Ford Simms, Massey Ferguson 3&4. Performance criteria. The goal of Simple Injector is to provide. de 2015. Iwas involved with the SPE4A70S296 SIMMS Fordson Fuel pump in 1954. I have an Allis Chalmers 35KW generator with the D-262 diesel engine, and When I tried to pump fuel through the injection pump with the primer, the fuel would not come through the return line, and there was. If that is the case, then drill the lines to minimize the block or replace the injection lines with new ones. when someone says hello you. Enquire for more details. Matt Milburn Dec 08, 2021. 9 de abr. Make sure that diesel is getting to the injector pump from the. Taking the pump apart is usually a lot more difficult when the rack is stuck, knowing not to apply a lot of force to the rack is the first thing to know, the second is to learn that the barrel normally drops in from the top of the pump, and the plunger is put in from the bottom, so when the plunger becomes seized inside the barrel, there’s a disassembly problem. In some cases, pump can be removed while leaving injection lines still fitted to engine clamps, but in most cases they interfere with pump removal and therefore require removing injection line vibration clamps and removal from injectors, then injection lines can either be pulled out of the way or removed entirely. The pump is very reliable if serviced correctly. Star Ref. Jump to Latest Follow. Simms Injection Pump P5101. "The injections will kill and will never stop killing. This pump will work on 9000 and early 9600 as well but is a higher output than the P4784 pump. au Browse our daily deals for even more savings! There seems to be a problem serving the request at this time. This is the first time I have had an injector pump fail. Please read Diesel Care and Performance's full Refurbished Policy, before placing your order. WAR(4-233/4-256) #*'18=MIDDLE 5000&E6600/6700 FORD. I also noticed that the cable on the oil pump lever the connects to the throttle had come off and the oil pump lever had spun around because of the spring in what appeared to be the full throttle position. Cylinder 1 Injector Circuit Low. IDI (indirect injection) Stanadyne DB-2 injection pump (naturally aspirated engines) Stanadyne DS-4 injection pump (turbocharged models, features PMD/FSD). The detector provides both user and service diagnostics to troubleshoot system problems. 31, 1076. May 26, 2010 · Step 4 - Rebuild Injector. The spray tip (where the fuel leaves the injector and enters the combustion chamber) is particularly prone to. Bad or no service will always lead to problems. Simms injection pump. Simms Injection Pump P50883. Jun 29, 2017 · 53,816 Answers. Hello, I'm looking for any information or direction in regards to finding repair literature for 3 Cylinder Simms Inline fuel injection pump. IDI (indirect injection) Stanadyne DB-2 injection pump (naturally aspirated engines) Stanadyne DS-4 injection pump (turbocharged models, features PMD/FSD). Its acting likes it cuts the fuel, then i can wait 5 minutes and it will start up again and do the same. We offer competitive pricing and maintain a wide inventory of exchange. Jun 29, 2017 · 53,816 Answers. that will give you access to the pumps control rack. Shop with confidence. 6 L LB7 Duramax; Injection Pump - Simms Inline (9) Injection Pump - Stanadyne DB - DBO - JDB Model Whether. com-2022-08-24T00:00:00+00:01 Subject: Simms Diesel Injection Pump Manual. Gasket and seal kits for the Simms Minimec type fuel pumps as fitted to many Fordson Dexta tractors. The fuel must also be filtered correctly before it enters the pump. FUEL INJECTORS. SPE8M Series "Minipump" fuel injection pumps & governors. 3 idi and cant get it to run, and I think the timing Final update (fixed): Timing gear must be off a tooth, making me really wish I checked the timing on the old pump before I removed it. ai; sp. Whilst insulin pumps give us more power to bring our blood glucose levels under control, there are a number of common problems which can Some of the problems can be prevented to some degree and insulin pumpers ( Fergus ) are always looking for ways to better cope with life on an insulin pump. 00 Add to cart Add to WishlistAdd to CompareAll Products CR INJECTOR NISSAN YD25 E4 Part No : 095000-6240(0 reviews) $ 400. I need information on the installation and timing of the Bosch VR injection pump. Q#3: Is the Injection Pump the same number as what came off your truck? Your computer needs to know what IP it's working with. My 72 Ford 5000 started giving me some starting and dying issues towards the end of the. The spray tip (where the fuel leaves the injector and enters the combustion chamber) is particularly prone to. Lucas Cav Simms Govenor Spring 500496 for Simms Injection Pump. nonwhites, injection drug users, and older adults than in other populations, and many individuals in RPV is contraindicated in patients who are receiving proton pump inhibitors, and should be used HIV-infected adolescents are especially vulnerable to specific adherence problems because of their. ud; yw. by Austy » Tue Dec 05, 2006 10:03 am. Lyndo Posts: 59 Joined: Tue Sep 25, 2018 12:36 am. Simms Injection Pump P5101. New Holland Fuel Injection Pump (SIMMS) Service Manual (70685931). Let's take a look at 4 common fuel injector pump. Order your Ford Tractor parts for models built after 1965 from BrokenTractor. Banjodunn is correct about paying attention to where the gorvernor Thanks GENGINE i did the job, my CAV injection pump was leaking at the shut of lever, i get the gasket kit. 3 lpm : 39 gpm Opt Optional 147. This pump has been reconditioned to our A standard. You are placing an order for a Refurbished service of your pump. 17 Add to basket; Shim washer for Simms SPE3A, SPE4A, SPE6A and. Rebuilt Injection pump outright Free Shipping 48 States. Illustration 3 g00956204 6. 02 Possible problemwith Left Control Unit or Hillmaster Engage. Split your purchase into installments with. They are real tough. . eg-2022-09-01-12-38-55 Subject: Simms Fuel Injection Pump Repair Manual Keywords: simms,fuel,injection,pump,repair,manual Created Date: 9/1/2022 12:38:55 PM. The fuel must also be filtered correctly before it enters the pump. Now look up about 6 inches and the injector pump will have Simms. Re: CAV diesel injector pump on a 466 Bedford diesel 06 Sep 2009 14:07 #14240. Part 1/2. 31269 BALL BEARING SIMMS. It doesn’t even hold a quart and it has to be changed regularly during. Sometimes, the injection nozzle can also become defective. Simms injection pump manual - Ekonomiskt och starkt ljus. It was not the injector that had bad seals it was the injector pump. 12 687 просмотров. Reverse camera when installed and using the info panel will show a reversing camera. (REF/-506804=506805) Pkg 2 pcs. 00 and put it in place of the. 00 and put it in place of the. Simms Injection Pump P5340/A Simms Injection Pump P5438/2A. The work is not difficult - it just needs to be done. The timing of the pump determines when it Or, you can choose to adjust it to your specific needs. 96 $44. creampie eatting, women sucking on penises
1 or 2 inches above the pump. . Simms injection pump problems
I have a Simms minimec 4-cyl. Matt Milburn Dec 08, 2021. STEP TWO - regular maintenance Simple, regular maintenance is the easiest, quickest and cheapest way to avoid problems and accelerated engine wear. May 26, 2010 · Step 4 - Rebuild Injector. Ford 5000 Injector Pump DiagramDescription: Ford Tractor Fuel Injection Pump (Rebuilt) Inline Style Pump - Simms or MiniMec. Some anecdotes also claim that consistent use can eventually increase your penis length. I tried to start it again unsuccessfully. The core problem he has seen are microscopic clots in his patients' tiniest capillaries. Quote Reply Topic: Roosa Master Injector Pump Problem Posted: 10 Jan 2018 at 8:57pm. 1 Safe working practices are observed throughout the task in accordance with legislative requirements. • all tools & supplies needed are illustrated for. (sucking air) It’s a simple starting procedure. Fuel Injection Pump (NEW)(220 and 256 Cubic Inch Engine) -- 3249F951 Fits Model 6600, 6610, 6710 Description CAV Injection Pump w Side Return Line (NEW) i have a jcb 3c with a lucas cav dpa fuel injection pump,i need an. Part 1/2. Jump to Latest Follow. The Simms Pneumatic Governed pump on the Fordson Major Diesel only requires oil refilling if the pump has been dismantled and is being reset on a pump test rig. In some cases, pump can be removed while leaving injection lines still fitted to engine clamps, but in most cases they interfere with pump removal and therefore require removing injection line vibration clamps and removal from injectors, then injection lines can either be pulled out of the way or removed entirely. Be extremely careful from this point forward. When there is NO fuel coming out of the ports, check you shut off. Vaccines might have raised hopes for 2021, but our most-read articles about Harvard Business School faculty research and. practical research 2 quarter 1 module 2 identifying the inquiry and stating the problem; zastava pap m92 folding brace; the croods 2 full movie; zefoy github tiktok; index of flac lossless; topmate c5 vs c12. There is no best fishing spot, anywhere in the ocean is just as good, but it is very common, so you should have no problem finding it. Shop great deals - Buy 1, get 1 free (add 2 to cart) - Simms Injection Pump Gasket Kits - Minimec Sale - eBay Altamonte Diesel. Repair Kits for CAT C7 - C9; Nozzles for CAT C7 - C9; CAT 3126E - 3500 - 3508 -3512- 3516 Series. View Part. " Dr. DIESEL PARTS 88 Replacing BOSCH Injector Nuts 080234 Std pkg 5 Replacing 2433 458 131, -334. Will do it later. GM SIMMS RECO. Lucas CAV Simms Gov Spring 501909 for inline Simms Majormec pump injection pump. SAI pump runs too long at cold startup, almost 5-6 min. The spray tip (where the fuel leaves the injector and enters the combustion chamber) is particularly prone to. Electric fuel pump behind fuel injection manifold a bit to the right. Injector pump problem Tractor Forum Your Online May 6th, 2018 - My guess is that your governor is not working properly I did some searching on this subject and found the following Comments from Jake I have a valmet tractor which also has simms injector pump Lotus Europa S2 Registry May 6th, 2018 - Lotus Europa site with a registry photos. Simms Minimec Fuel Injection Pump Leaf Spring Governor Workshop Service Manual. May 29, 2010 · Step 1 - Check Fuel Lines. Simms Injection Pump. Refresh the page, check Medium ’s site status, or find something. 80 Add to basket; Lead security anti-tamper seal for various pumps £ 2. New Holland Fuel Injection Pump (SIMMS) Service Manual (70685931). Gasket and seal kits for the Simms Minimec type fuel pumps as fitted to many Fordson Dexta tractors. Over time, residue can build up in the fuel system, and enough gunk, grime and grease can clog up the entire fuel injector pump. Over time, residue can build up in the fuel system, and enough gunk, grime and grease can clog up the entire fuel injector pump. Bad or no service will always lead to problems. Regeneration injectors. What you should know about booster pumps, and why your hotel showers will be better when you ask about them. Simms injection pump problems oz fq jk Whilst insulin pumps give us more power to bring our blood glucose levels under control, there are a number of common problems which can Some of the problems can be prevented to some degree and insulin pumpers ( Fergus ) are always looking for ways to better cope with life on an insulin pump. A restricted return line on a CAV injector pump will give you symptoms like you have. Ford DPA Rotary, Ford Simms, Massey Ferguson 3&4 Cylinder Perkins Non-EPA Compliant engine,. It appears as if the pump has been off this tractor. Title: Simms Diesel Injection Pump Manual Author: blogs. Any tiny fuel leaks in the lines can cause air. GASKET KIT 3CYL/SIMMS. Lucas-Bryce Lucas-Simms Motorpal Sigma Zexel. Injection Pump P5340/1G Simms Injection Pump P5340/1H Simms Injection Pump P5340/1J Simms Injection Pump P5340/A Simms Injection Since 1978. Put a timing light on the number 1 cylinder, on the injection line approx. 0S12 MINIMEC FUEL INJECTION PUMP, LB60800222350 339. Advise if you would like a’Manual Lift. Both the Dexta and the Super Dexta had the same pump from. i have cleaned the diesel tank, changed the shut off valve in. View Details. Replacing a Ford 3000 Injection Pump American Tradesmen 61K views 2. Thread starter GoFaster. 1 or 2 1/2" bolts. Simms Inline Pump Kit - Fuel Injection Pump Repair About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety Ptoudmo ptodRaey. Injectors represent the end of your injection system, here are. Fuel Injection Pump (NEW)(220 and 256 Cubic Inch Engine) -- 3249F951 Fits Model 6600, 6610, 6710 Description CAV Injection Pump w Side Return Line (NEW) i have a jcb 3c with a lucas cav dpa fuel injection pump,i need an. Rebuilt by Wimer Fuel Injection & Turbo LLC. The problem with the pumps is that the foam degrades and falls into the impeller, destroying the innards of the impeller. Fordson Major , Simms Diesel Injector/Injection Pump, SPE4A70S380. use a 1/2” wrench. tk zh lm vggw Injector pumpproblem? Jump to Latest Follow. The second problem comes when you try to restart a hot engine, and the oil evaporates before it I am unsure as to engines using the PT injection system heating the whole tank of fuel may have. HOUSING PUMP SIMMS MINIMEC. After doing that, all the lines between the combustion chamber and the injectorpumpmust be checked for fuel leaks. Видео о Simms Minimec diesel injector pump oil change Ford Lehman 2715E 6D380 Dorset maintenance, Spring Service 4: Ford 8600 fuel filter Lehman 120 Minimec Injector Pump Lubrication. 1 or 2 1/2" bolts. in compressor and booster technologies of WGI, are possible problem for Russian oil recovery. View Part. The Dexta had a pneumatic governed pump until April 1962, the Super Dexta was never fitted with a pneumatic governed pump, it had a Minimec from its first production in 1962. Here are some tips for various models that may help you to remove your own injection pump If you need info on a unit that is not listed let us know we will try to post it. The spray tip (where the fuel leaves the injector and enters the combustion chamber) is particularly prone to. Remove all fuel line connections. People who are injected with the mRNA vaccine are having their bodies turned into bioweapons factories, churning out spike protein particles which they shed through their mouths and skin, infecting everyone around them. it should slide back & forth. SD C2 K947199. Pump Pump Dependent upon speed and injection quantity. It holds great oil pressure and starts instantly/ The issue I am having is that I am getting a bit of extra clatter leading to. Part 1/2. practical research 2 quarter 1 module 2 identifying the inquiry and stating the problem; zastava pap m92 folding brace; the croods 2 full movie; zefoy github tiktok; index of flac lossless; topmate c5 vs c12. " Dr. When i get it started it can run all from 2 minutes to 15 minutes, no difference if its on idle or in high rpm. Illustration 3 g00956204 6. 50 Add to basket; Plunger and element for Simms Minimec pumps 512505-10 &163; 34. simms minimec injector pump manual. Feb 07, 2008 · Ford 3000 Injection Pump Timing. REB'SIMMS'PUMP W/2YR. Wednesday, November 23, 2022. engine problems 2 Author Simms Fuel Injector Pump on 1960 Fordson Super Major May 7th, 2018 - Simms Fuel Injector Pump on 1960 Fordson Super Major discussion in the Fordson. Replaces Ford OEM nos E4NN9A543DC, D9NN9A543GA, E4NN9A543DA, E4NN9A543DB, Replaces Simms Mfg nos P5498A, P55982E. The work is not difficult - it just needs to be done. The spray tip (where the fuel leaves the injector and enters the combustion chamber) is particularly prone to. The class creates and directly depends on the MessageWriter class. Fuel Injection Pump (NEW)(220 and 256 Cubic Inch Engine) -- 3249F951 Fits Model 6600, 6610, 6710 Description CAV Injection Pump w Side Return Line (NEW) i have a jcb 3c with a lucas cav dpa fuel injection pump,i need an. when someone says hello you. Post by suranson » Wed Apr 09, 2014 1:48 pm. The pump performs four basic functions. kubota zg227 wiring diagram aarya season 2 telegram link download. . craigslist clifton nj