Winter is here; time to lick our wounds and find out what went wrong.

By AvvE

17 thoughts on “Mecropsy: y u die pump?”
  1. Avataaar/Circle Created with python_avatars Kenney says:

    Full rebuild kits are $20

  2. Avataaar/Circle Created with python_avatars Sarumayne says:

    That plastic thing around the impeller is wild, I work in a rich people water bottling plant, and our pumps are all metal. Granted they cost a shitload and can move about 12,000 gallons an hour, but still. Metal expansion from getting hot when running empty or at a standstill is a problem, but it's gotta be doing that for many hours before it actual stops working

  3. Avataaar/Circle Created with python_avatars Patrik Einarsson says:

    During my military service we had a forest fire on the firing ground. A truckload of small motorized fire pumps and fire hoses showed up and got distributed among the companies. After the first day, a lot of the pumps started malfunctioning to a degree where there was a shortage of pumps. Me and two other mechanics set up shop in the middle of the firing range at the biggest crossroad and started looking into the problem. It turned out most of them had been running dry and warped or cooked the plastic impellers right off the axle. It doesn't take very long to do that depending on how the pump is constructed. We managed to bodge most of them into working condition and could keep the firefighting going enough until we got the next delivery of pumps a week later. That's the story of how 350 young Swedish men learned the importance of not running impeller pumps dry.

  4. Avataaar/Circle Created with python_avatars nizzurt montalgizzert says:

    Keep your poop in a group.

  5. Avataaar/Circle Created with python_avatars Insight Of the ages says:

    I think it would be really awesome if you would do a video tearing apart some antique power tools. I picked up a Craftsman jigsaw from the 1970's this thing chooches HARD. Would love to get your take.

  6. Avataaar/Circle Created with python_avatars Chaz Beed says:

    Those black pieces are called diffusers I think

  7. Avataaar/Circle Created with python_avatars M J says:

    et tu, Pumpe

  8. Avataaar/Circle Created with python_avatars altaylor1980 says:

    Seen a few replies saying machine a new defuser out of aluminium, personally I would go bras or if Le Fancy bronze. If you have a pressure head why not go for a ram pump with a couple of NRV’s?

  9. Avataaar/Circle Created with python_avatars Hawaiianbound808 says:

    Couldn’t u 3D print the impellers

  10. Avataaar/Circle Created with python_avatars JB Automotive and Marine says:

    Thanks for the stickers brother! Best wishes for the new year!

  11. Avataaar/Circle Created with python_avatars mr1jon1smith says:

    I think there are some switches (dry run protection are called) for when the pump is running out of water. There pressure activated. I've seen them installed in a store on some hydrophore systems.

  12. Avataaar/Circle Created with python_avatars Alan Burggren says:

    Had a big 50kw pump dead head on me once. Problem with the discharge piping/hose and a check valve. Overcome by the other pumps in parallel. The case got up to I don't remember whether it was 70c or 170f. Not boiling but hot enough to where you knew something was messed up when you smelled the room and touched the case. Thermostatic switch probably a good idea!! 👍

  13. Avataaar/Circle Created with python_avatars John g says:

    What about a pleasure switch. I mean pressure switch

  14. Avataaar/Circle Created with python_avatars Danny Mckenzie says:

    2 meters deep in the ground is where im tryna be.

  15. Avataaar/Circle Created with python_avatars SparkyTheWelder says:

    Ha dude said "dad joke" in French. Nice.

  16. Avataaar/Circle Created with python_avatars Chief T33 says:

    The first rule of working with tools, don't throw them in anger. There is always a bigger hammer or wrench somewhere.

  17. Avataaar/Circle Created with python_avatars Ian Grams says:

    20 meters? I guess you're one of those extraverts.

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