So, here I am; a guy who sells wine for a living and I'm spending an hour + watching an injection pump rebuild and loving it. A testament to your ability to keep your viewers engaged, no matter the length of the video or its subject. Can't wait to see you getting this old machine running true again. And dare I ask: how's Red?
Lol... well worst thing that could have happened was not getting it to run, and we would be going to Area Diesel Service then too... why not give it a go! Now I know a lot more about this machine, engine, pump, and can use that knowledge to help with whatever else I tear into next!
I’m just in awe of your intrepid nature. It’s a genuine moment when you tell your audience that you made a mistake. Anyone who’s taken things apart will go through that moment for sure. Really enjoy watching your tear down / rebuild videos.
Great work Matt. Striping it all down and giving it a shot. The mystery continues. Love watching your videos with the commentary. I'm sure yourll get there.
This is one of those moments I look at the pump as I take it apart, apply lube to my rear end and take the pain of paying a professional to rebuild it or buy new. Kudos to you sir for the bravery.
Incredible, that the guys from Area Diesel Servive actually offered help to you...I can't think of any other shop that would do that...really nice! Thx a lot for taking us with you on this ride! 👍👍👍
That linkage flip!!! I tell people I train that mistakes are sometimes a gift. You get forced practice which costs time, but at least you gain the experience. Murphy knows just when to spring his law on you though.
An old machinist I befriended showed me a way of wrapping shim stock around weird shapes before using a pipe wrench. He literally used a strip cut from my Dr Pepper can, wrapped the odd fastener a couple of times around, pinched it in several directions with slip-joint pliers, then put on the wrench. Messed up the "shim" but the fastener was untouched. He also did not hesitate to modify Craftsman tools because 40 years ago Sears would swap anything.
The fact that any gas or diesel powered engine actually works is truly amazing. The complexity of every subsystem, and the tolerances for things like this. Just amazing. Electric motors and the control systems are so much easier to understand, and so many fewer parts! It's no wonder the first cars were electric!
Woah - props for working through all those special injection pump fasteners designed to keep Shade Tree Mechanics out, and getting the pump back together with no leftover parts. It will be interesting to hear what they find.
I would like to thank you and other RU-vid's that put out videos like this. I just wish RU-vid had been out around when I was younger, because there's so much a person can learn by watching videos like these. Again, Thank You
nice to see someone else that likes fire engines and construction toys like me! when i was a kid i played in the dirt with my toy road graders draglines and what ever else i had for hours at a time.
I didn't know what I was getting into when I started watching this channel. All I knew was these guys broke their brick wall. Now suddenly it is one of the best DIY channels on RU-vid. I'm glad I found it.
The Area Diesel Service guys are some hustlers. I like those guys. They get in touch with all the RU-vidrs that work on diesels and use them to promote their brand. Those guys work their tails off.
I was riveted to the screen. Waiting, wishing and hoping you had it. Smoke and acting like full choke on a gas engine busted my bubble too. I almost can't wait for the next video after seeing the HELL YEAH at the end!
It seems a problem makes you jump thru the hoops by the numbers before you can an issue resolved completely. The good thing is when you do get the issue resolved, your going to have a nice little machine to work with and one boat load of experience. You can’t beat an experiential education, nobody can take it away from you, thanks for the tag along video young man
You and I are a lot alike. I taught myself to work on engines by rolling up my sleeves and getting my hands dirty just like you did. Engines aren't as scary as people make them out to be. I recently started filming content for my own channel doing small engine stuff, and my goal is to show people that anyone can do it if they are willing to do the work.
Great video! One of the things to look for is vane wear! I have taken apart gasoline fuel vane pumps that have a loss of pressure to find the vane edges are ever so slightly worn. The fix is to flip the vanes over to the unused side this presents a new edge to the bore! This procedure has worked for us in the past.
Hey man as far as messing up the direction of that piece from the governor and having to backtrack., I always say if it's worth doing once, it's worth doing it twice! It happens to ALL of us.. edit: 1:25:45 front main (the timing cover seal) and yes it IS a good time to do that seal!! This is a great episode, really getting into that machine and she's beautiful. Hate the she's so smokey, I sure hope it's off by a tooth or 2 on the timing. Still not done the episode yet!
Pretty damn impressive work so far!!! To dive in, head first, KNOWING that you're not really familiar with the pump speaks to your mechanical knowledge. It's very cool to see!! 💪👍
I really admire your patience, I think we're very much the same in that we like to know why something isn't working and will try everything we can you get it right before we have to call in the experts. Looking forward to the next installment Matt. 👍🤗
Always admired your tenacity. You hate to be beaten and give everything a go. If I started that project. I would finish up with a box of broken parts and a hole in the wall where something got launched. No doubt it will all work in the end.
My God man what a set of kshones, there is so many working parts. I did all my own mechanics cause I couldn't afford anyone in the shop. You sir have my complete respect,plus you have the patience 🙏 to explain what your doing. Fan for life.
Great videos! I'm on this 3rd video about this Gehl and I'm so invested, as you explain what you're doing I'm nodding my head in agreement!🤣👍 Just having a good Saturday morning watching you repair this Gehl!
I really like,that you first tried to fix it on your own properly. With your skills,you might should always try it that way. It is also nice,that you know your borders and bring what can't be done to some specialists. Thanks for your video!
Matt, I'm very happy to watch you go through that fuel pump, but a man's got to know his limitations. So that's why I would. send it to area diesel so I wouldn't screw it up. You do good work, my friend.
Great video. Love your approach, you don’t have the exact fuel pump tools, but you find a way. Process of elimination to to getting this fixed. Good job.
Well Matt props for even going into that pump.Just the engineering and manufacturing of it makes my brain 🧠 hurt .😂 Looking to the next vid. Thanks Matt
Great entertainment! Reminds me when I took apart my dads stuff just to put it back together again. If I couldn’t get it back together before he came home he either showed me how it’s done or gave me some with the little broom that comes with the dustpan. Daddy roulette.
Thank you man, i learn so much from your videos - had no clue diesel injection pumps are so complex - even if i manufactured some parts for it in the past.
To help with the starting Id be checking the glow-plugs for operation first, remove the bar or wire across the top and check each individually with a hotwire or out a meter across each one. If you put a meter on the rail while connected it will only show if power is getting to the rail. Timing 100% needs to be checked using the dial type timing tool inserted into the rear of the pump in the large head-plug. Injectors would need checking too. Been rebuilding those pumps for close to 40 years now. Great lil units. Biggest issues are front seals going hard, o-rings going hard thru use and addition of useless fuel additives, advance pistons sticking, press reg vlavles sticking. And that large plug in the head of the pump comes loose and engines get very very hard to start. Tightening them up can and will help but they seal on a knife edge internally and really are a one time use part, but insaying that fir customers with not a lot if money they can be re-used but pretty much only one more time.
True but on that Mitsi/Mazda based engine it would take all of maybe 1 minute to check all 4 plugs while still in the head with the rail removed. Being a 12volt system those glow plugs could range in operating voltage anywhere from 6volts to 11-12volts. Touching them with a 12v hotwire is 100% foolproof. If that Skid steer had been dropped to me first thing would be crack inj pipe nuts to see if its pumping fuel. Then check glowplug power supply then operation, check tappets, then pull glowplugs for cold compression test, then injector removal and testing then Id tighten the head plug on the pump to specified torqu and check its timing thru the same plug. And if it passed all those tests the pump would get slipped out. When he fired it up after the pump was installed it knocked and belted out white/black smoke which mightve been air but the white smoke is more likely to be compression or a timing issue and the black is more indicative of a faulty injector/s. But one or more dud glowplugs will cause same issue. It did sedm to clear uo a bit the more he ran it and the only yhing that can change there will be cylinder temps so compresdion may be low. Probly looking at a combination of minor things causing the issues. Glowplugs, compression, injection timing, faulty injectors.
Hey Matt, even though you couldn’t get it right, I really enjoyed the process! I’m even happier that we get to see “the professionals!” You have to think that you’re increasing the value of the machine anyway. Thanks a lot, great series, appreciate it!
I've been waiting to see this video since last week. I'm about 28 minutes in, you've got the unit almost totally apart, just removing the final eccentric fuel pump section out of the very insides. It's an astronomical amount of machining that goes into that fuel / lift pump on the skid steer.. to me it seems way WAY overengineered, but I suppose us gasoline mechanics just don't get the HD diesel life : ) Great video, thanks so much for sharing, I can't wait to see how it all works out for you!
years ago I worked for a used tire shop and we had a Gehl skid loader that we used to load old tires into a trailer. It was an early 90s model, not sure the exact year. It had that same injector assembly on it also. it always had problems whenever we would pull it out from winter storage. My boss would just take the injector assembly off, hook it up to a car battery, and with some fuel lines he would pump STP fuel injector cleaner (red bottle) through it. after running it through for about an hour over & over, it ran perfect for the rest of the year. We never had to disassemble it at all. But I bet yours might be more of a mechanical issue rather than a gumming issue.
I think the problem could be those injectors maybe they need new nozzles or they ar stuck Open bc of grime or dirt, like always is a pleasure to see your videos it's awesome your encourage to tear apart all of that i wish You the Best luck to make it work flawless again
I'm from Poland and i work with cars for a living for like 4 years, and i watch US equipment channels from like 6 years. I find messing with equipment simpler than cars fun to watch and i swallowed all the videos from multiple channels. This is first time i can see part widely used by EU cars manufacturers on this kind of channel C:
I'm pretty sure I could have taken the fuel pump apart like you did. But I'm dead sure I would have one part sitting on the table after a full rebuild....
Nice job, altough not the result you wanted, but you and everyone can learn about this video. Keep up the good work. The boys at Area Diesel Service will show us what was "bad" anyway.
You are one brave man taking that pump apart - and you got back together as well ! I keep thinking the way it ran fine one minute but smoky the next should help pin down what might be causing it. Had a friend who struggled for ages only to find a small casting flaw had broken through and allowed a water heating passage in his inlet manifold to leak into the inlet tract causing a lot of steam out of the exhaust. Maybe pressure test the cooling system again ?
I’ve watched every video over the last month😳. And think your channel is such an inspiration and enjoyable to watch. Love your tool restorations so keep them going. Machines are great also. Keep up the good work👍
Gehl and Isuzu diesel Denso Japan are excellent quality some of the best . 👍 Excellent channel PS That Denso starter and solenoid is on my New Holland skid steer .A 6.5GM diesel uses same only nose cone and drive is different. Dealer wants $750 versus $50 at junk yard. I found one of the brushes stick from rust low power to crank motor. Also Injectors may be worn dribbling not spraying pattern low pop off to much fuel
I can't wait for the next part. I like the way your videos are shot. Everything is really clear to see. I learn a lot from them. 👍 Greetings from the Netherlands🙂
1:06:20 I used electrical tape to do similar. Not only held the bolt, but also taped the socket to the extension so the socket wouldn't disappear into the void.
It looks like at the very end that you managed to get this problem solved... but I hope you do a follow up video. It is really easy to get discouraged when you tear everything apart and nothing jumps out at you as an obvious cause for the problem... so I gotta hand it to you that you stuck with it and asked for help when you needed it. I am eager to find out what the final diagnosis was and whether this problem is truly fixed now. I was trying to figure out how and why you have been so certain that it is a fuel delivery problem. I wouldn't know to rule everything else out... seriously. Anyway... this was grueling... and I thank you for sharing this with us. Something to think about the next time we get discouraged with one of our projects.
Watch that beard in those timing gears bro! 😂 Seriously though love your tear down videos, I’ve been a mechanic for 27 years and I still keep learning from things like this. Keep up the good work!
@11:34 I think those are "retractor valves" that cause the pressure to drop off the fuel line quickly as the pressure starts to fall when the injector pops. This prevents the injector from dripping fuel that is not well atomized in the cylinder when it fires. If that valve failes, a cylinder should give you a little black smoke all the time. If you are running the engine, and you have some dark smoke, crack the fuel lines one at a time to see if comes from all the cylinders or just one. If it is just coming from one, then look at the retractor valve first. That is what you would do for an inline pump.
