Berkeley pump question
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Berkeley pump question

  1. #1
    Junior Member andyjill!'s Avatar
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    May 2010
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    Default Berkeley pump question

    How do you know when a bearing or bearings are going bad and how do you inspect them on a jg drive

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  3. #2
    Senior Member jetboatperformance's Avatar
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    Dec 2007
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    Atascadero Calif
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    The only true way to check the bearing and tailshaft bushings is to actually disassemble the jet for inspection , you can use a long screw drive or stethescope on the jet bearing carrier to listen to the bearing if you can safely put your self in a position to do so , bearing noises tend to manifest as whining and or growling that change tone but don't go away, some "stacato" clunking ("machine noise") is common in the driveline to jet connection caused by combined wear between the drive line yoke splines and pumpshaft splines this noise typically disapates when the impeller in the jet is loaded (underway) Drive line noises are made worse by heavy impellers, worn ujoints and solid mounts Call, PM or post if we can Help Tom

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