Bobcat 743 bleed screw. Bobcat Company is a member of the Doosan Group.

Bobcat 743 bleed screw There is a small hose that goes to number one injector tap off line. Unless you are pushing it hard. The Kubota engine is one of the easiest engines to prime. Squeeze the primer bulb ( its behind the fuel filter ) until it is becomes difficult to get more fuel to go through. Customer Support TEXT (309)-714-9826. Bobcat 743 Specs. I also cracked open the fuel injection nuts on the first 3 cylinders. it is best to have a valve inline on Bleeding and priming fuel from system after fuel filter change. Maybe the fuel bleed thumb screw is not closed. Hopefully that will give you a starting point. Jan 17, 2023 · 743B Bobcat is the upgraded model of 743 that is also called Bobcat 753. The last one goes back to the fuel tank. After bleeding the fuel lines she starts right up and shot up to 2k rpm. buy the My 743 will not start. verify clean fuel, clean pick up screen, fuelshut off do hicky not clogged. At higher RPM any load on the engine shouldn't be an issue. 743B or 753 Bobcat are highly functional compared to the 743 models which makes them costly too. Make sure bleeder valve is closed. Maybe the engine stop lever is not adjusted properly, the soleniod should pull the stop lever close to or just touching the stop on the cover plate. Aug 7, 2019 · Bobcat fuel bleeder valve 6650239. like on my 873. Ensure the bleed screw is closed or else it will not work properly. Compare ; Sign in / Register; Cart 0. 99 $ 13 . +++++++ First off I am not mechanically inclined but have made it this far with some of your help so far but please Jun 2, 2022 · Click for 743 Bobcat specs. Jan 14, 2010 · You can bleed the air out using the bleed screw on top of the injector pump. Finally, I loosened the nut/bolt that the bleeder screws into, and then diesel and bubbles came out. Originally mine had only the two 1/8 inch pipe plugs . I did this once and thought i killed my engine, it would start then simply die. May 17, 2008 · Opening the bleed screw allows you to bleed the air out, you can generally hear and feel if there is air in there still when you pump the bulb. It sounds like a fuel delivery issue to me. Aug 29, 2011 · I know that this type question has been asked in the past, but I think my situation is a little different. I feel the new fuel pump is Ok the output is the same with both pumps which just dribbles. If you plan to purchase parts for regular maintenance or service for your Bobcat® equipment or attachment, it’s the easiest way to find part numbers. Choose Genuine Bobcat parts for all your maintenance and parts replacement needs. Parts can vary depending on your serial number. There is a Hey guys I have just replaced the engine in the 743 I bought and I am trying to get everything hooked back up but I need a little help and would greatly appreciate any I can get. DONT OVERTIGHTEN IT WILL BREAK. Doosan is a global leader in construction, grounds maintenance and material handling equipment, power and water solutions, and engineering that has proudly served customers and communities for more than a century. but some will. 7409948. com FREE DELIVERY possible on eligible purchases Dec 14, 2008 · Try taking the bleed screw out and putting some fuel in a pump oil can,squeeze bottle or something and filling the filter like that. If I took the fuel line off the in side of the filter you would hear a vacum sound. Search titles only. There are no results for this model Feb 22, 2008 · There is a place to bleed air. Genuine Bobcat 743 Skid-Steer Loader Operation and Maintenance Digital Manual, 6566605PDF or Owner's Digital Manual provides the owner or operator with instructions on the safe and proper operation and maintenance of the 743 Skid-Steer Loader. Genuine Bobcat Digital Manuals are downloadable PDFs giving you the most current version, written for your equipment, specific to your model and serial Bobcat parts online is your official source for parts diagrams and parts lists. Jan 29, 2013 · well now that you got bobcat written on youre belly, from the seat bar imprint , youre in the club . Toggle menu. Reprimed, same thing. SkidRoe of all the injectors where it screws into at the head Genuine Bobcat parts are engineered for your equipment for normal to severe applications. Maybe the throttle linkage needs to be adjusted to get full rpm( the throttle lever on the engine should go agains the stop adjustment bolt at full May 27, 2012 · Open the bleed screw of the top of the filter bass (small brass scre with either hex head or common screw driver slot) squeeze rubber primer bulb until only fuel, no air comes out the bleed screw. Aug 8, 2013 Nov 26, 2020 · UOIENRT Fuel Bleeder Valve Injector Pump Valve Replacement for Bobcat 443 453 543 553 643 743 751 S150 S185 S530 T140 T190 Replace 6598102 14311-60504 14311-60500 4. The Bobcat loader is base–equipped with a standard operator cab as shown. It acted like it ran out of Dec 25, 2017 · Sounds like you might have air getting into the fuel system. 6 out of 5 stars 10 $13. I Dec 17, 2011 · Cool. $0. I had to drill a vent hole in a new can just to get it to dispense fuel. Unscrew the knurled knob a few turns. If its left open after priming it will cause all sorts of running issues. Genuine Bobcat 741 742 742B 743 743B 743Ds Loader Digital Service Manual, 6566109PDF provides the owner or operator with detailed service information including adjustments, diagnosis, disassembly, repair and reassembly instructions for the 741 742 742B 743 743B 743Ds Loader. I have a hand held tach. It quit on me after running it for a couple of hours. Bobcat Company is a member of the Doosan Group. Menu. By: Mar 3, 2022 · Hello everyone, looking for help. Give the primer bulb a squeeze, it should be firm and you shouldn't be able to feel bubbles. Add to Cart Added to Cart. Due to the popularity of the 743 model, it was de-featured as 753 in 1991. Apr 27, 2007 · Have you made sure the bleed screw is screwed all the way in and tight? Remove the hose at the injector pump and ensure you are getting fuel flowing out when you squeeze the primer bulb. Ensure its fully closed, turn it clockwise. When it feels good, close the bleed screw and you should be good to go. moving the pump backand fourth by hand pushes more fuel out than it does mounted on the machine when cranking. The fuel flow is blocked by a plug that moves aside when you turn the wheel Sep 24, 2013 · Open the bleed screw to get the air out, close the screw and see if it will start. Jul 1, 2008 · You need to loosen the bleed screw at the injector pump, the fuel will then flow back to the tank. I just bought a new bleeder valve for my 743 because it was sucking air bobcat Mar 9, 2023 · Buy UOIENRT Fuel Bleeder Valve Injector Pump Valve Replacement for Bobcat 443 453 543 553 643 743 751 S150 S185 S530 T140 T190 Replace 6598102 14311-60504 14311-60500: Fuel Injectors - Amazon. Aug 22, 2017 · It runs with the bleeder screw open, but dies soon after I close it. I borrowed the 743 from my dad. I had the hydr tank out for cleaning and had a radiator shop braze in a brass fitting to accommodate the bobcat sight glass piece. The bleed valve on the Kubota and Peugeot engines is on the injector pump where the fuel comes in and there is a small hose running to the tap off lines to the injectors (small rubber hoses that link them together). If the primer bulb is firm and you get fuel flowing after the lift pump it sounds like your lift pump is at least allowing fuel to flow. tinknal; Mar 12, 2025; Replies 4 Views 282. Mar 16, 2012 · There is a bleed screw that is on the pump where the fuel line connects. Jan 4, 2015 · ensure that little stuipid scew at inj pump got closed after bleed. If its open you won't have enough fuel pressure to keep the engine running. May 14, 2009 · Ensure the bleed screw is tight too on the injector pump. Thread starter sjb4; Start date Nov 25, 2010; open the bleed screw and pump the hand primer till all the air is gone, close the bleed screw. if filters are clear plastic, you can see when they get full of fuel. bleed it, then finally bleed the injector pump. Aug 7, 2013 · Is there are bleed valve and if so, where is it on the pump? John Deere 790 John Deere 310 backhoe Bobcat 743 Nov 19, 2010 2,929 491 83 Love, VA. would love an explation of why this is but real world . …. Jul 20, 2008 · Yes the bleed screw is in. Genuine Bobcat Digital Manuals are downloadable PDFs giving you the most current version, written for your equipment, specific to your model and serial Jun 26, 2016 · But the injection pump bleed screw was either broken, isn't working, or I don't know how to use it, because no fluid would leak out. Also bought a replaced bleed screw (that screws into the injector assembly and used to bleed the fuel line). Sep 27, 2019 · Buy 6598102 Fuel Bleeder Valve Injector Pump Valve Fits Bobcat 443 453 543 553 643 743 751 S150 S185 S530 T140 T190: Fuel Injectors - Amazon. it is located at the top of the pumps. If it runs then stops after a short time, do it again to get the last of the air out. Sep 3, 2019 · It appears to me that the lines from the injector pump to the top of the injectors (high pressure) may bleed when not running (top of pump all gummy). There will be a few more litle hoses to each one to the rear of the head. The only way to keep it running is to keep pumping the bulb Sep 11, 2011 · Has the fuel filter been replaced? make sure the bleed screw on the injector pump is closed. I went a bought a new fuel pump and did the same with the same results no fuel. If you open bleed screw past the primer, is the primer pumping fuel? If not, the primer may be sucking air from a suction leak, before the pump, and from the pump to BUCKET – Several different buckets and other attachments are available for the Bobcat loader. It is possible that the injectors have stuck from not being used for a while too. Thread starter Dameon; Start date Apr 22, 2014; As for the not keeping running, it is possible the bleed screw was not closed. I made a mess of every single fluid. May 14, 2009 · Ensure the bleed screw is tight too on the injector pump. Primer bulb soft again. Nov 25, 2010 · 743 bobcat won't run. My bobcat wouldn't start, noticed the fuel filter primer bulb was soft. I detached the fuel lines from the pump and hooked the in flow to a can of fuel, cranked the engine and no fuel came out. com FREE DELIVERY possible on eligible purchases Jan 3, 2024 · not all diesels have the same fuel system or 'bleeding' proceedures but as a general 'rule', to bleed a system , you start at the first filter from the tank, bleed it( let air out), then next filter. Jan 30, 2013 · L3450DT-GST, Woods FEL, B7100 HSD, FEL, 60" SB, 743 Bobcat with V2203, and more Jun 29, 2007 · Hi - My 743 is having a fuel starvation problem. One (1) year warranty on all parts & accessories. I am not familiar with working on a bobcat or a diesel for that matter. Aug 8 This guide also applies to select machines of Bobcat M-Series loaders, Bobcat R2-Series excavators, Bobcat compact wheel loaders, Bobcat Toolcat™ utility work machines and Bobcat telehandlers manufactured since 2020 and use part number 7336334 fuel filter. Skip to content. See the video for details. all clear. Dec 21, 2007 · Ensure you tighten the bleed screw or the engine will not run. BOBCAT SKID STEER LOADER IDENTIFICATION * vi 742B, 743B Loader Dec 7, 2004 · 1981 Bobcat 743 Rebuild. . ? old M should chime in Mar 14, 2010 · I'm also planning to replace all the fuel lines, primer bulb, fuel filter, remove fuel tank and replace the pickup tube/screen), because I have the parts and think I can do without screwing up too badly. Search by serial number, model number or product type. Published Date: 02/06/2022 Last Search titles and first posts only. I have replaced it due to a broken knob off the stem. 0. Dec 23, 2022 · In this video I will show you how to replace the fuel filter. These new fire proof fuel cans are a joke. You can eliminate a cracked fuel pickup tube, you can get a bottle of fuel, run a line with a primer bulb to the pump and see if it keeps running. $15. Symptoms: machine will start almost start and then die or the machine will run for a period then die. When you bleed the filter does bubbles come out around the bleed screw? Set Screw for Bobcat Equipment, 64044-26. Genuine Bobcat Digital Manuals are downloadable PDFs giving you the most current version, written for your equipment May 6, 2010 · Open the bleed screw on the injector pump and pump the hand primer till it feels firm and you can't feel bubbles in the primer bulb. to reiterate. The squeeze bulb on mine is within a foot of the filter and is easy to use. Check out my other video's on this Bobcat on how to service the hydraulics, oil and air. Is the primer bulb soft or collapsed? It should get hard with only a squeeze or 2 if there is no air in the system. 60" SB, 743 Bobcat with V2203, and more Jun 9, 2013 32,350 8,033 113 Sandpoint, ID. I did a little digging around and found an inline fuel shut-off a screw type like the ones found on small engines, it was closed half-way. That's what took me forever to diagnose. 84. Starts and dies. Mar 22, 2008 · The other thing you should check is the bleed screw on the injector pump where the fuel line attaches. Apr 22, 2014 · bobcat 743 fuel injectors leaking 22, 2014 #3 Are you sure it's not the bleeder valve . 99 Aug 2, 2023 · I got enough of the 743 back together to get it started. Home; About US; Contact; Home » Bobcat » Bobcat 743. for reasons beyond my understaning some will or will not run if this left in the open position. I read one of the post that was submitted for a 743B relating to a fuel problem and it had several great suggestions, but I would like to know if May 6, 2014 · L3450DT-GST, Woods FEL, B7100 HSD, FEL, 60" SB, 743 Bobcat with V2203, and more When you hook them back up you don't need to do anything special as the will bleed Mar 16, 2008 · This is going to sound stupid, but a couple of years ago I had a 743 to work on that was doing the same thing. Jet start injection pump valve or cock assembly is installed in the fuel injection pump. ROPS, FOPS – Roll–Over Protective Structure, Falling Object Protective Structure, per SE J1040 and SAE J1043. Another upgrade I did on the 743 was to put the round sight glass and bead hydraulic tank level indicator. Reply. Axle Bolt for VersaHandler Telehandlers, 7409948. Changed the fuel filter, primed the system, would only start for about 10 seconds. 99. Mar 7, 2022 · UOIENRT Fuel Bleeder Valve Injector Pump Valve Replacement for Bobcat 443 453 543 553 643 743 751 S150 S185 S530 T140 T190 Replace 6598102 14311-60504 14311-60500 Feb 12, 2013 · General Bobcat Skidsteer Forum I did not adjust the bleed screw, but I will check it anyway. Buy 6598102, Fuel Bleeder Valve For Bobcat at Duraforce. lift pump delivery ok . I call the thumb wheel. if thumb screw is left open some units will be hard to start or wontt run at all. I have checked the fuel line, filter, primer bulb etc. at the top of the pumps is a charge presure sensor (it is the only sensor screwed directly into the pumps, toward the rear of the pumps just below the fuel tank, next to the sensor is an allen plug, remove this plug and screw a hose into this port and run the hose back into the hyd tank. it has ran within last two months but I've spent past 3 days trying to start. bleeder screw closed,at pump not filter? manual shut off fully open,( most likley ) hard hit partillay closing fuel lever. Fast & Free Shipping on orders over $49. Close that bleed screw the follow the fuel line up to the injcetion pump, there you will find another bleed valve (knob on fitting that comes into Genuine Bobcat 742B 743B Loader Digital Service Manual, 6720772PDF provides the owner or operator with detailed service information including adjustments, diagnosis, disassembly, repair and reassembly instructions for the 742B 743B Loader. 743. Check the Bobcat Online Parts Catalog to ensure the correct part for your equipment. vwrs dcjkhzy kglqjj emfgyh rcwblr octwgh zoky npot ifsi dvjybz trnb gjqo trhj jrkthf ubkgv