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  1. #1
    Charter Member
    us
    FlAuthor

    Aug 2004
    Minneola, FL
    Excalibur 800; Fisher F5; White Beachmaster VLF
    708
    125 times
    Beach and Shallow Water Hunting

    Hookha T-80 Air Pump setting

    I have T-80 air pump that I use for hookha diving down to about 10 - 15 feet. Its been a while since I used it. When the motor is turning the flywheel of the pump, its pumping air but not enough to use with the regulator. Do I screw the adjustment in or out to get more air pressure? Can't find the instructions for the T-80 and thought somebody out there might know how to set the compressor pop-off valve. Thank you.
    7 books authored: Forts, Camps & Batteries of Florida, Georgia, Tennessee, Pennsylvania and Ohio.
    Where to Metal Detect in Central Florida and South Florida.

  2. #2

    Jul 2005
    65
    2 times

    Re: Hookha T-80 Air Pump setting

    Do you have what's called a "surge (or reserve) tank" between your compressor and diving hoses?

    The T80 should support 2 divers at 30 feet if you use the surge tank.

    A surge tank is merely a holding tank usually about 2 cubic feet or more. You let the pressure build up in the tank until the pop valve goes off on your compressor and then you should be good to go.

    Go here http://www.keeneeng.com/pdfFiles/full%20catalog.pdf

    and do a search on RT1.

    This should solve your problem.

    BTW the pop valve should go off at about 45PSI.

    Let me know if you have anymore questions.

    TM


  3. #3
    Charter Member
    us
    FlAuthor

    Aug 2004
    Minneola, FL
    Excalibur 800; Fisher F5; White Beachmaster VLF
    708
    125 times
    Beach and Shallow Water Hunting

    Re: Hookha T-80 Air Pump setting

    Oh yes, I have a reserve tank on my unit. It like the American Express card, don;t leave home without it. Can't tell you how many times, its saved me when the motor ran out of gas or the belt popped off. The pop-off valve on top, I believe you screw in to increase the pressure or back it out to increase it. That's the question, what is the adjustment instructions? I tried to pull up the Thomas company but I guess they don't have a direct URL for questions. Thanks for your input.
    7 books authored: Forts, Camps & Batteries of Florida, Georgia, Tennessee, Pennsylvania and Ohio.
    Where to Metal Detect in Central Florida and South Florida.

  4. #4
    us
    Mar 2003
    Redding,Calif.
    3,933
    2244 times
    All Types Of Treasure Hunting

    Re: Hookha T-80 Air Pump setting

    There should be a brass lock ring on the threaded shaft. You screw it in to increase the pressure BUT many things can affect your pump. Have you cleaned the air filters,remove and soap insanely and rub them like crazy rinse good and air dry. Check your ball bearing in the top to see if the gold tee is worn and lopsided,is the ball cup seat worn out??. If the reed valves inside the head are dirty and corroded you'll never get enough air. The rubber head pump gasket may be cracked too.MANY things to go wrong BUT a $20 kit has all the parts to make it new again.Tons a au 2 u 2-John

  5. #5

    Dec 2006
    Watseka, Illinois
    CTX !!! Pro find , Sunrays
    876
    44 times
    All Types Of Treasure Hunting

    Re: Hookha T-80 Air Pump setting

    Some are adjustable, some can not be... Is there air constantly releasing from the pop-off? How about pulling the valve on the pop-off and releasing it.. Does it stop leaking air then? If it's not the pop-off then I'd say a bad or stuck reed (valve)... Try (as reco Keene or your local auto or hardware that sells compressors for a new pop-off.. The adjustable comes with 3 different lbs rated springs.. 45psi
    WADE ON IN THE WATER AIN"T DEEP!!!!

  6. #6
    Charter Member
    us
    FlAuthor

    Aug 2004
    Minneola, FL
    Excalibur 800; Fisher F5; White Beachmaster VLF
    708
    125 times
    Beach and Shallow Water Hunting

    Re: Hookha T-80 Air Pump setting

    Hoser John: Who sells the $20 rebuild kit, Keene? Probably what it needs. Pump is over 20 years old. Thanks!
    7 books authored: Forts, Camps & Batteries of Florida, Georgia, Tennessee, Pennsylvania and Ohio.
    Where to Metal Detect in Central Florida and South Florida.

 

 

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