Fixing SunSun ceramic shaft

Discussion in 'Pumps and Waterflow' started by Manic, 14 Jun 2009.

  1. Manic

    Manic Moderator

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    Hey everyone,

    So everytime I clean my SunSun pumps I always seem to break at least 1 ceramic shaft. It's not possible to buy the shaft by itself so I have to buy the propellar and shaft together which isn't that cheap. Anyways whilst fixing my remote controlled helicopter (Which I crashed), I was replacing the one graphite shaft that had snapped and it looked the like it was the exact same diameter as the shaft from the pump. Turns out it is exactly the same. So I cut the graphite shaft to size and put it in the pump for a quick test. The pump works perfectly. So now my question is will this shaft be ok in salt water. After all graphite is just carbon.

    It works out cheaper as the graphite shafts are only about R10 for 30cm.

    Here's the pics of my quick DIY:

    [​IMG]

    The broken pump shaft:

    [​IMG]

    The replacement graphite rods:

    [​IMG]

    Everything put back together. Propellar turns perfectly.
     
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  3. lIghty

    lIghty

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    Think it would wear quite quick, unlike the ceramic shaft.
    Posted via Mobile Device
     
  4. Manic

    Manic Thread Starter Moderator

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    I was thinking about that as well. Tried some sandpaper on the shafts and the graphite one was harder to scratch. If it does wear quickly I always have lots of supply.
     
  5. martinhal

    martinhal

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    Dude new shaft at LFS R12-95.... why reinvent the wheel.
     
  6. Manic

    Manic Thread Starter Moderator

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    Which LFS because then I got ripped off big time. The pump cost around R134 and when I went complaining that the shaft had broken the only thing they could sell me was the shaft and the propellar together. That cost about R70. They said they don't get the shafts by themselves.
     
  7. martinhal

    martinhal

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    The one at Northgate.
     
  8. Manic

    Manic Thread Starter Moderator

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    VIP pets. I'm going there tomorrow so I'll ask them. Thanks a lot for the heads up.
     
  9. martinhal

    martinhal

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    just give them a call first. I have not seen them but was told that when I bought my SunSun at VIP " who cares if the impeller breaks just buy a new one for R12-95"
     
  10. Manic

    Manic Thread Starter Moderator

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    Well I was going there anyway so its all good. The pump is working for now but I'll speak to the guys at VIP tomorrow.
     
  11. Awvince

    Awvince Here fishie fishie

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    Tagging
     
  12. sunburst

    sunburst

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    Graphite is good to go. I had the same problem and currently using fibreglass shafts. I also use them to fix frags to rocks and to reinforce rock/reef mounts. I join rocks by drilling holes in both rocks and then use the shafts with epoxy or super blue to join the rocks. Like a bridge. I then layer the joined rocks to get get height. Far more stable than the famous balancing act.
     
  13. Manic

    Manic Thread Starter Moderator

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    Wow dude, great idea. If I drill small holes in my rocks then I can join them using the graphite rods. Its better than paying R200 for reef putty and then I cant remove my rocks. This way my rocks will be stable and I can remove them like a little puzzle.

    Awesome.
     
  14. sunburst

    sunburst

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    Yep, and the real beauty is that if you ever have to de-construct for what ever reason (and trust me, there will be many) rebuilding in layers is far easier than the balancing act
     
  15. martinhal

    martinhal

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    Did you manage to get at a good price ?
     
  16. Manic

    Manic Thread Starter Moderator

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    No didn't end up going to VIP but I had another pump that wasn't working, so just took the shaft out of that one and everything is working well now.
     
  17. martinhal

    martinhal

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    Cool , I will confirm the price next time I go. How long can a reefer stay away from a LFS on a public holiday ????
     
  18. Manic

    Manic Thread Starter Moderator

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    Not long. I'm visiting all my favourite stores tomorrow:thumbup:
     
  19. jacquesb

    jacquesb Retired Moderator

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    Hey Manic - mine also broke - I replaced everything as it was - and my 5000 litres per hour SunSun power-head still words as per normal! EVER WITH THE BROKEN CERAMIC SHAFT!
     
  20. Manic

    Manic Thread Starter Moderator

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    I tried that and it worked with the broken shaft but it started making a noise and irritated me. Tried gluing the shaft but that didn't work either. If the new shafts are only about R12 then i'm gonna buy a few because I always break them no matter how carefull I am.
     
  21. Manic

    Manic Thread Starter Moderator

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    Okay so went to VIP pets today and got the shaft. The only thing is that you cant buy the shaft alone, you have to buy the whole shaft assembly (Which includes the shaft, propellar and all the rubber bushings). The whole assembly only costs R25. So if these pumps ever break they are pretty cheap to fix. I saw the equivalent SEIO replacement shaft and propellar and that cost R100.
     
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