what is required in rebuilding a pump
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what is required in rebuilding a pump

  1. #1
    Senior Member ellabo's Avatar
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    Question what is required in rebuilding a pump

    i need to have my pump rebuilt and i was just wondering what are the things that have to take place when a pump is rebuilt.

    how long should it take if i have someone do it?

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    Senior Member BigBoyToys's Avatar
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    Quote Originally Posted by ellabo View Post
    i need to have my pump rebuilt and i was just wondering what are the things that have to take place when a pump is rebuilt.
    Time, Patience, and attention to detail (A little $$ Helps too)

    Quote Originally Posted by ellabo View Post
    How long should it take if i have someone do it?
    Depends on the shop and what all you are having done to it
    "That whenever any Form of Government becomes destructive of these ends, it is the Right of the People to alter or to abolish it, and to institute new Government"
    Declaration of Independence, July 4, 1776

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    Senior Member Delemorte's Avatar
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    well to do it your self.. you will need.


    A big ass wrench
    a impeller puller (maybe)
    have your impeller machined or replaced.
    Rebuild kit. Dont buy the kit till you know what condition your impeller is in
    A rubber mallet
    some feeler gauges
    A press to get bearings on and off.
    Basic set of hand tools.


    I did mine for the first time. it was not too hard. However i shipped off my impeller to have it machined and shipped my shaft off to get the bearings pressed on and off. Not a whole lot in a jet drive.
    Quote Originally Posted by jetboatperformance View Post
    the ensueing fire would likely be extinguished by the sinking however

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    E-7 Sheepdog (ret) SmokinLowriderSS's Avatar
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    Quote Originally Posted by Delemorte View Post
    well to do it your self.. you will need.


    A big ass wrench
    a impeller puller (maybe)
    have your impeller machined or replaced.
    Rebuild kit. Dont buy the kit till you know what condition your impeller is in
    A rubber mallet
    some feeler gauges
    A press to get bearings on and off.
    Basic set of hand tools.


    I did mine for the first time. it was not too hard. However i shipped off my impeller to have it machined and shipped my shaft off to get the bearings pressed on and off. Not a whole lot in a jet drive.

    That's pretty much it.

    Replace the thrust bearing, MAYBE the seals arround the shaft (the CAN last a very long time), re-fit the impeller to wear ring clearance, replace the rear shaft bushings in the bowl and the shaft seal there too.
    Done.
    Now, IF rear bushings, or seal have worn the shaft apreciably, repair kits exist to fix the tailpiece of the shaft (machine down shaft, locktite on sleeve, lock-bolt in the end, machine to diameter.

    About the only mandatory special tool is the bushing driver set. Impeller puller MAY BE, depending on how tightly it is on the shaft/key.
    My old Al. one went on & off by hand, my new Bronze, not a chance.
    "As democracy is perfected, the office of president represents, more and more closely, the inner soul of the people. On some great and glorious day the plain folks of the land will reach their heart's desire at last and the White House will be adorned by a downright moron."
    H.L. Mencken

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    The rest of us are being dragged along kicking and screaming.

  7. #5
    Senior Member Ol Man's Avatar
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    My gosh. You live in Corona. Go see Greg Shoemaker:

    http://www.gsmarine.us/

    He is one of the technical gurus on this site:

    http://www.performanceboats.com//forumdisplay.php?f=23

    He did my boat a couple of years ago and he has been in this business for many years. Fun to look at the boats in the shop.

  8. #6
    Done.... So.Bay*310*'s Avatar
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    MPD.....hands down!

    http://home.pacbell.net/jmcclure/

  9. #7
    What the Hell is That? 72Hondo's Avatar
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    Depending how long it has been since your pump has been apart A torch may be needed to heat things up to free them up. That's what I used to get me WR and impeller off 10+ years on there.
    Quote Originally Posted by Kyle View Post
    Log off and go float, hang in the party coves, Show and shine on the trailer, fill up the boat, wax it, v-drive, jet, outdrive, and if you got a canoe and your reading this, you sir, need to phucking upgrade.

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    Senior Member Brendellajet's Avatar
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    If you decide to do it yourself, leave the pump in the boat until you have the impeller nut off. American Turbine has a set of instructions on their site for overhauling. Its not that hard to do.
    "He is a lover, not a fighter. But he's also a fighter, so dont get any ideas."

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    Senior Member jetboatperformance's Avatar
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    These jets are as a rule very simple and "DIY/user friendly" to repair and overhaul, generally more difficult to take apart than to reassemble , feel free to call if we can help you Tom

  12. #10
    Senior Member ellabo's Avatar
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    thanks everybody for the replies

    my boat is stored in parker, so it wont be seeing cali land any time soon, or else i would take it somewhere local.

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    rebuilding one last night, upon disassembly main bearing failure. 3 hrs later, air cutter, torch, lots of patience finally removed outer bearing housing. upon depth measurement discovered it had eroded the area where the bearing sits, hour later after setting up on mill to remachine the area true. checked the shaft on the shaft fixture, warped beyond use. impellor because of bearing failure walked into suction housing, destroyed impellor. sometimes it is not a walk in the park. good luck.

  14. #12
    Sit N' Spin Jetaholic's Avatar
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    It's not all that difficult with the right tools. If you don't want to buy the complete Berkeley kit, you'll at the very least want the impeller nut socket, the spline socket to hold the other end of the shaft while you loosen/tighten the impeller nut, and the impeller puller.

    Bowl bolts are 3/4".

    A chisel + hammer will be required to seperate the bowl from the suction housing.

    A torch (preferrably a Map Gas torch) will be required to remove the wear ring (assuming your pump does not have the Ultimate Wear Ring from HTP).

    You'll need a piece of wood between the tail end of the shaft and the hammer when you tap the bearing/shaft assembly out of the thrust bearing housing. If you hit the end of the shaft directly you'll risk mushrooming it.

    Other than that it's pretty simple.



    Quote Originally Posted by HammerDown
    Kendall L-427 Super Blu...extreme-pressure (ep) lithium complex keeps my thrusting balls happy
    Quote Originally Posted by back2k5 View Post
    Well I am putting in a nice stereo system in the Carrera...maybe Ill put on some rap and turn the scoop sideways

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    E-7 Sheepdog (ret) SmokinLowriderSS's Avatar
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    Almost forgot, 396-ways-to-spit swears by a good trash can, for use as a table.

    Check with him for a brand preference.
    "As democracy is perfected, the office of president represents, more and more closely, the inner soul of the people. On some great and glorious day the plain folks of the land will reach their heart's desire at last and the White House will be adorned by a downright moron."
    H.L. Mencken

    OBAMA: Some people deserve this.
    The rest of us are being dragged along kicking and screaming.

  16. #14
    Sit N' Spin Jetaholic's Avatar
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    Quote Originally Posted by SmokinLowriderSS View Post
    Almost forgot, 396-ways-to-spit swears by a good trash can, for use as a table.

    Check with him for a brand preference.
    Oh yeah almost forgot...aluminum impellers are good to 1,000 horsepower



    Quote Originally Posted by HammerDown
    Kendall L-427 Super Blu...extreme-pressure (ep) lithium complex keeps my thrusting balls happy
    Quote Originally Posted by back2k5 View Post
    Well I am putting in a nice stereo system in the Carrera...maybe Ill put on some rap and turn the scoop sideways

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