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  1. #1
    GZA's Avatar
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    Pump Liner Machining

    As the title says, has anyone done it? I've gone through and replaced the bearings (169hrs - looked and felt great) and had the impeller touched up for my 15f. It now touches the liner in certain points. It has around .2mm clearance in other spots so I don't want to just turn down the impeller. I realise that it is probably the liner starting to swell. I have access to a pretty good machine shop so want to hear anyone elses thoughts/experiences with this? Does anyone know the thickness of the ss liner?

    Cheers

    Rob


  2. #2
    GZA's Avatar
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    More bad news Have started pulling down the pump to remove the impellor but the rear cone is stuck on. I had it in the lake yesterday to run it in but after warming the ski up and giving it some revs it stalled the ski at idle. Pump must have got hot enough via friction to seize - not cool. Rear bearing now seems to be stuck to the shaft.
    Pretty gutted as the guy who rebuilt my impellor said it'd wear in fine.

    Another learning experience for me, off now to try and find a 22X2.0mm bolt to use for a puller to get the rear cone off. Then more than likely ordering another set of bearings, seals etc

  3. #3
    GZA's Avatar
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    Well managed to get it to bits, not good! Looks as though I didn't fully seat the rear bearing when I installed it, putting too much axial load on the bearing and stuffing it.
    More rebuild parts, and more time!
    Oh well, lesson to be learnt, ensure the bearings are fully seated!!!

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