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  1. #1

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    ok, the cone pump end cap question for SL780

    Hi, I am reading manual on servicing the jet pump. When I read this I don't know if it was right or not...
    it said "Pack the end cap with marine grease"
    I had a new end cap, so there is no grease in it yet. That space is big. do i pack the whole thing with grease? it look like it can take up the whole small can of grease......... it doesn't seen like there is anything in the cone that will push the grease to the vane case, so what is the point of packing it with grease? Sorry i am new to this and just want to be sure before i do anything stubid. Thanks


  2. #2
    Click avatar for tech links/info, donation request K447's Avatar
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    Quote Originally Posted by birdgod View Post
    ... reading manual on servicing the jet pump. ... "Pack the end cap with marine grease" ...
    Which manual are you looking at?

  3. #3

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    the service manual of the polaris PWC. my model is SL 780 it is mention in the manual.

  4. #4
    TopCop931's Avatar
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    You just apply some light grease around the o-ring inside the stator and install the cone. That is what the Clymer Manual suggests. Is that the same manual you are looking at?

  5. #5
    Click avatar for tech links/info, donation request K447's Avatar
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    Quote Originally Posted by birdgod View Post
    the service manual of the polaris PWC. my model is SL 780 it is mention in the manual.
    Clymers manual, or the genuine Polaris Service manual?

    What is the part number for the manual?

  6. #6
    TopCop931's Avatar
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    Quote Originally Posted by K447 View Post
    Clymers manual, or the genuine Polaris Service manual?

    What is the part number for the manual?
    It can't be the Clymer Manual Keith. The Clymer Manual states "Coat the O-ring and housing bore with grease. Allign and seat the tail cone on the housing." I just did two of them this week. I packed grease between the seals but everywhere else in there that required grease I greased lightly with a thin coat of grease.

    I don't think that packing that cone with grease would damage anything but it doesn't make sense to do it. A light coat of grease over the O-ring should be more than enough to keep the water out.

  7. #7

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    Quote Originally Posted by TopCop931 View Post
    You just apply some light grease around the o-ring inside the stator and install the cone. That is what the Clymer Manual suggests. Is that the same manual you are looking at?
    The one I have is the one I downloaded from this webpage. well either way, i got want i need to you, thanks. i will pack in just enough

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