keene 12volt vacuum not sucking
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Thread: keene 12volt vacuum not sucking

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  1. #1
    us
    May 2011
    tujunga ca
    xlt mxt gmz and now a gmt whites
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    keene 12volt vacuum not sucking

    so this thing runs good,but it does not suck every much.so it get jammed easy.the nozzle is about 3/4 by 2in.is there something i can do?.make the nozzle smaller 1 1/2 x 3/4? or?
    thanks brad

  2. #2
    us
    Ed Tracy

    Jan 2015
    Shoreline,wa
    Equinox 800
    647
    1068 times
    Prospecting
    First, what kind of pump are you using

  3. #3
    us
    May 2011
    tujunga ca
    xlt mxt gmz and now a gmt whites
    1,338
    1602 times
    its a echo leaf blower ,that keene modified to go on a 5 gal bucket.you can see the nozzle on the bottom right. thanks brad
    Click image for larger version. 

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    Last edited by 1637; Oct 10, 2019 at 12:59 AM.

  4. #4
    us
    May 2011
    tujunga ca
    xlt mxt gmz and now a gmt whites
    1,338
    1602 times
    so i just took this thing apart,looks like i can space the fan out closer to the housing and maybe put a 1/4 screen over the inlet.
    any more ideas?

  5. #5
    us
    retired bumb and part time Hobo

    May 2005
    St. Louis, missouri
    6,082
    4812 times
    If I'm not mistaken there is a filter inside of these and it could be blocked up OR the plastic fan blades could be wore down OR both OR the assembly could be leaking at the barrel causing the vacuum leak ! Good luck !
    Hard Prospector and 1637 like this.

  6. #6
    RTR
    RTR is offline
    us
    Roger. USAF Vietnam war Combat Vet

    Nov 2017
    Smith Mt. Lake Va.
    Teknetics Liberator Falcon MD-20 *********** Blue Bowl Angus MacKirk sluice Miller Table
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    All Types Of Treasure Hunting
    I made one a few years ago, a DIY project.Sounds like the impeller is shot.If yours has a 'plastic' one replace it with a metal one.
    Hard Prospector, 1637 and russau like this.

  7. #7
    us
    Silver Fiend

    Oct 2009
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    You gotta replace parts. Remember, when you are running that thing, you are basically sanding down the impeller blades. Take the whole thing apart, clean the hell out of it and replace everything that looks worn.
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  8. #8
    us
    Mike

    Dec 2014
    Bodfish and Marin county CA
    Garrett , Whites keene puffer drywasher , Keene A51 Sluice
    437
    1138 times
    Drywashing , Sluicing , Panning
    Brad --- have you checked all the seals to make sure they're air tight -- maybe a small leak could reduce the suction.
    I'm sure you have but might be worth a re-check.
    I made one a while back and it worked good but the blower would like to fight me to start.
    Echo is a good blower -- mine came out of a dumpster and I should have left it there.
    Cheers Mike
    russau, Hard Prospector and 1637 like this.
    Stay thirsty my friends

  9. #9

    Mar 2016
    3,228
    4935 times
    All Types Of Treasure Hunting
    Ok I'll be the one...

    Sounds like it sucks just fine.
    docweiser likes this.
    This Communication HEREBY Serves as OFFICIAL NOTICE That All Messages in This Thread Have Been REVIEWED. FURTHERMORE, All Messages of Positive Nature SHALL IRREVOCABLY Be Considered "LIKED" INSOFAR as Applicable to This Forum. FINALLY, All Discrimination is Strictly PROHIBITED.

  10. #10
    us
    May 2011
    tujunga ca
    xlt mxt gmz and now a gmt whites
    1,338
    1602 times
    the seal look ok.but the fan looks a little beat up.i will clean it up and try to space it out closer to the housing.it will also test some screens over the inlet.i will test it by timing how long it takes to empty a 1 gallon bucket. thanks
    Quote Originally Posted by Bodfish Mike View Post
    Brad --- have you checked all the seals to make sure they're air tight -- maybe a small leak could reduce the suction.
    I'm sure you have but might be worth a re-check.
    I made one a while back and it worked good but the blower would like to fight me to start.
    Echo is a good blower -- mine came out of a dumpster and I should have left it there.
    Cheers Mike
    et1955 likes this.

  11. #11
    us
    May 2009
    Sailor Flat, Ca.
    SDC2300, Gold Bug 2 Burlap, fish oil, ACME handbook for TRUE prospectors (unread)
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    12796 times
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    Banner Finds (1)
    the hose attaches to the side of the bucket right?

    The bulkead used for the passthrough/hose attachment has a deflector Hopefully?

    You should have it set up to where only dust is going through the fan. You can zip tie/hose clamp a rag to make a particle apron.

    You have to empty the bucket more often but, you won't have to worry about sucking actual dirt or sand through the fan.

    If that is what has worn the fan. Keep in mind any loss of blade surface will degrade the thrust.

    To check for leaks other than just looking. Run the unit empty. Hit it with a mist of water enough that it will build up outside but such through. Just don't blast hard enough to force water in.

    If there is a leak you'll have water in the bucket.

    I've used a DIY with that motor. And the Vac Pack. forget what it used. They had ample Suction. Even moving small gravel.

    Long hose too. The narrow oval suction end is about all i would neck it down. You can fab up a mini nozzle with a thrift store or yard sale. Household vacuum.
    Just but it on the end for detail work.

    I agree with Jason. A full breakdown and part replacement should be step one. Replace Fan with metal one if possible. Like mentioned. Then set it up to lessen wear.

    Hopefully you make the thing really SUCK
    1637 and Hard Prospector like this.

  12. #12
    us
    May 2009
    Sailor Flat, Ca.
    SDC2300, Gold Bug 2 Burlap, fish oil, ACME handbook for TRUE prospectors (unread)
    5,883
    12796 times
    All Types Of Treasure Hunting
    Banner Finds (1)
    Also 12v?

  13. #13
    us
    May 2011
    tujunga ca
    xlt mxt gmz and now a gmt whites
    1,338
    1602 times
    well i found it.the hose ends where silicone on .it went bad and they were sucking air.i took the hole thing apart and cleaned and reseal it.i glued the hose ends on.works great again.THANKS FOR ALL THE INPUT IT REALLY HELPED.
    brad
    RTR, Bodfish Mike and et1955 like this.

 

 

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