Jabsco Diaphragm Pump

The Jabsco water pump is a workhorse. I don’t think that I needed to rebuild it but I figure if the kit is available then what’s the worse that can happen? I had a partial kit that a PE (previous owner) bought but only replaced the diaphragm and left the rest of the new parts. I looked online and found just a diaphragm for sale. I piggy-backed the purchase with a Whale 25 Gusher bilge pump kit so I can rebuild the manual bilge pump. I’ll post later about that rebuild project.

Tonight I finally installed the tiller pilot so I can test it out this weekend. I’m a little disappointed with the range it has. I suspect it’s only going to be capable of steering in mostly calm weather while the sails are balanced. I don’t think it can take much force, although it draws 12 amps. I did some testing to see how easily it can bottom out. Without moving the mount further aft I’m afraid that it might only have a range of 50 degrees. Not much considering the tiller has near double the range of the pilot.

Anyways, I took a few photos of the newly rebuilt pump.I already have the holes drilled into the platform for when this pump was mounted so I just need to make sure it’s easy to attach. The old plastic fittings will get replaced with new ones and I will install a check valve on the outflow side and attach sharkbite fittings to make replacement a snap.

 

Taking it for a test drive to check belt tension
Taking it for a test drive to check belt tension
The left hose barb has a built-in check valve. No problem, sharkbite makes a check valve.
The left hose barb has a built-in check valve. No problem, sharkbite makes a check valve.

Rebuilt Jabsco diaphragm pump

 

3 Replies to “Jabsco Diaphragm Pump”

  1. Tony,
    You should feel confident about the tiller pilot.
    It doesn’t need to move much as it is much more talented at steering the boat than we are. I had the same feelings with my Simrad tp30. His name is Arthur.
    It’s customary to name your self steering if you haven’t gotten a name yet you need too give it some thought.
    Carl

    1. Carl,
      Thanks for the encouragement. I think you’re right, I need a name for the tiller pilot. Carl sounds good to me. Probably the first time anyone has ever named a tiller pilot after you 🙂 Cheers.

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