Jacuzzi pump lubrication question
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Jacuzzi pump lubrication question

  1. #1
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    Default Jacuzzi pump lubrication question

    as some of you know i had problems with my jet having a slipping feeling not allowing me to even plane out. im hoping i solved that problem with a new o-ring. anyways, i was looking at everything else on it and noticed the zerk fitting on the top of the bowl. i shot about 2 pumps of marine grease into it and i ran out. my question is how can you tell when there is enough grease in it since it doesent look like there is anywhere for it to seep out?

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  3. #2
    Senior Member jetboatperformance's Avatar
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    Quote Originally Posted by vwracin2win View Post
    as some of you know i had problems with my jet having a slipping feeling not allowing me to even plane out. im hoping i solved that problem with a new o-ring. anyways, i was looking at everything else on it and noticed the zerk fitting on the top of the bowl. i shot about 2 pumps of marine grease into it and i ran out. my question is how can you tell when there is enough grease in it since it doesent look like there is anywhere for it to seep out?
    Jacuzzi WJ rear "bearings" (a large bronze bushing) have no grease retainer seal (only a sand seal) and thus you could pump the entire grease gun into that rear cavity and you wouldn't over grease it (it would simply run out ) , if your jet has that "slipping feeling" its probably time to take a look at the wear ring around the impeller skirt which on WJ is a plastic composition, just had a customer who complained of "poor performance" (45 [email protected]) and when he tore into the jet found the wear ring missing alltogether call if we can help We have a lot on the near horizon for this jet including stainless wear rings and different impellers etc Tom

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    thanks Tom, i was the one who spoke to you about 2 months back and ordereed the new o-ring for the hand hole cover (mine was cut and had a 1/4" gap in it. and you had me measure the wear ring and it was within spec (.010). just trying to make sure i check everything so i dont waste another launch fee.
    thanks for your info ill grease her up on the ramp and hope for the best.

    pump is a YJ also, not sure if that changes anything.
    Last edited by vwracin2win; 09-04-2010 at 02:46 AM.

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  6. #4
    Senior Member jetboatperformance's Avatar
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    Quote Originally Posted by vwracin2win View Post
    thanks Tom, i was the one who spoke to you about 2 months back and ordereed the new o-ring for the hand hole cover (mine was cut and had a 1/4" gap in it. and you had me measure the wear ring and it was within spec (.010). just trying to make sure i check everything so i dont waste another launch fee.
    thanks for your info ill grease her up on the ramp and hope for the best.

    pump is a YJ also, not sure if that changes anything.
    Re grease not much change but unlike the WJ it does have a bowl seal resembling a Berk and overgreasing could jack the seal out, Re performance I would pull the cleanout and re-measure the clearance between wear plate and impeller blades , much more than .010 (feeler guage) will seriously effect your performance and is easily remedied assuming the pumps not badly worn call if you need help Tom

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