#3 Sq head M2200 hyd pump crazy loud deassembled all looked good inside
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  1. #1
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    Default #3 Sq head M2200 hyd pump crazy loud deassembled all looked good inside

    Hydraulic pump is really really loud on my #3 square head M2200. We took it all apart and everything looked OK inside.....

    put back together sounds as bad as ever


    Any ideas ?

    Thanks,
    David Lawrence
    Last edited by lalatheman; 03-29-2020 at 10:06 AM.

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    A worn shaft seal or suction leak (between pump and reservoir) can allow air to be sucked in (air entrainment) or a clogged suction strainer could be starving the pump (cavitation)

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    If you have a suspect area of suction leak try to smear a glob over the area (shaft seal or tubing/hose) and see if the sound changes, it may help to locate a suction leak

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    MMmmmmm suction leak ....why didn't I think to check for that?

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    Quote Originally Posted by e-fishin-c View Post
    If you have a suspect area of suction leak try to smear a glob of clean grease over the area (shaft seal or tubing/hose) and see if the sound changes, it may help to locate a suction leak
    (sorry didn’t proofread my post earlier)


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