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  1. 2

    BYPASS START SWITCH AND JUMP STARTER 803A 10K

    Sorry about the meds. Can you explain what is wrong? E.g. two dead batteries, or batteries ok, but it won't crank, never has started...? All the best, 2Pbfeet
  2. 2

    Cannon L-66 Load Bank

    That is an interesting fan layout with three banks of four 24V DC fans in series... All the best, 2Pbfeet
  3. 2

    Cannon L-66 Load Bank

    @FarmingSmallKubota Congratulations on a great score! My bet is that with a little sleuthing you can find similar performance fans on any of the major sites. With that many fans and that age, I would be tempted to buy a few in advance. 30 year old muffin fans often have gravel like grease in...
  4. 2

    Stuck Injector? Mep 803a

    I used to use Techron D a fair amount. After some problem engines not getting especially better, I found had more luck with SeaFoam, but I really think it depends on what your particular engine is dealing with. PEA (PolyEther Amine, not what the author above claims in the link above), is a fine...
  5. 2

    Stuck Injector? Mep 803a

    SI-1 is gasoline only. https://www.redlineoil.com/Content/files/tech/SI-1_PROD_INFO.pdf +1 on SeaFoam, and also Optilube Summer+ for lubricity. Many of these engines were not designed for ULSD, and benefit from additional lubricity additives to modern fuel to make up for the loss of sulfur...
  6. 2

    MEP-802A/803A Coolant Servicing

    With "new to me" equipment, you never quite know what happened. The MEP-803A was manufactured in '06, and the oil filter was changed last year at a little over 22 hours. So I drained the coolant, which looked ugly, green/orange and cloudy. (No photo) I got 5 quarts out, so I felt pretty good...
  7. 2

    MEP831 Starter

    High frequency arc starts help, but copper is pretty easy; it just sucks heat out. I would try a few practice runs on a similar sized wire first. If your brazing rods need flux, I would use a non corrosive flux given how close this is to electrical parts that might care... FWIW...
  8. 2

    MEP831 Starter

    Sorry! Local welding shop? Easy to do with a torch, or better yet a TIG welder. It might have been silver soldered. (High melting point and high conductivity.) I would be tempted to replace the wire if you can get to the other end... All the best, 2Pbfeet
  9. 2

    Mep831a conversion time!!

    Yes, Lee looks like it could be a doozy, and might graze New England. Stay safe! I would be curious how the deadening mat changes the dB, and the pitch. All the best, 2Pbfeet
  10. 2

    Any stateside source for Yanmar rubber grommet/isolators for MEP-831A?

    I got mine from McMaster, because I wanted the EPDM for ozone and diesel resistance. I'm sure that the Yanmar versions are better, but my local Yanmar is a little...difficult. I bought some of the SBR versions a few years back and they did not last, at least for me. All the best, 2Pbfeet
  11. 2

    Mep831a conversion time!!

    Sweet! You must be very happy. I admit to a small smile when I saw the Racor and its mounting. I really like them. They just work. All the best, 2Pbfeet
  12. 2

    Yanmar L48AE Injector seal MEP 531/831

    In the Yanmar parts manual that I have, there is a copper washer, and it is called out as a nozzle spacer. In the manual that @Guyfang posted, it is part number 114295-11470 , in figure 2, part 16. I believe that it comes in a range of thicknesses from 0.3mm to 1.5mm, and the factory...
  13. 2

    MEP 531A Fix-up Thread

    Thanks for posting the video. Personally, I prefer to finish bleeding all the air at the injector, but that's just me. In my experience, those engines are very sensitive to any residual air in the high pressure line, and don't have much power or stability until the air clears the high pressure...
  14. 2

    MEP-831A no power

    I have to say that the first upper photo in post #8, the upper left corner looks like that corner of the board sat in salt water for a bit, and those two capacitors at the top look a little "droopy" like they might have melted a bit. Definitely armchair quarterbacking. I have brought back a few...
  15. 2

    MEP802 on the House. What's going on here...

    I think that you just need a little more of the label on the second picture to get a model and serial number. Most data plates aren't easily removable, but it might be behind the service cover. Trane normally has them on the outside, and I can not think of a legitimate reason to remove it. With...
  16. 2

    How do you move your generator(s)?

    A front end loader tractor with quick mount forks.
  17. 2

    MEP-802A/803A Coolant Servicing

    Old thread, but wow those funnels, or their clones are great for the sideways radiator neck on the 803As. There was a fair amount of sludge in my coolant, more in the first distilled water rinse, and getting better on the third rinse. I just used a long closed end wrench to put over the top of...
  18. 2

    Using thicker oil

    I just used a 6x6" under the rear end, and it seems to drain almost all of the oil out. (Less than 0.1Qt left) Having a forklift helps... @csheath Doing the math on the STP, it seems like the STP gets the oil to just shy of 20W50, so I suspect that either your oil pump is on the way out, or...
  19. 2

    Using thicker oil

    Thanks!
  20. 2

    Using thicker oil

    Congratulations on getting the oil pressure up. Can I ask which STP product you added? All the best, 2Pbfeet
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