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#748516 Mon May 11 2020 04:36 AM
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Does anyone out there know how to fix computer that does not zero the 10 gal digit on reset on the dial opposite totalizers- it increments by 1 digit on reset. Not a big deal- other side zeroes correctly but if fix is simple I will do before putting pump back in service. Tx

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snakeknuckles #748519 Mon May 11 2020 06:03 AM
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In order for the wheels to reset to zero there is a spring loaded pawl inside each wheel that catches the shaft when cranked back to reset. That pawl is stuck and won't drop down to catch the groove in the shaft.

You can sometimes get lucky and spray penetrating oil inside the wheel and spin the wheel and maybe it will free up. If that doesn't work then you have to take the wheel out which opens up another can of worms that cannot be simple explained.

I have a Veeder Root service manual posted on my web site that will cover everything you need to know. However if you do not have a strong mechanical aptitude that thing will drive you nuts.

Tom.
www.gaspumps.us


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snakeknuckles #748545 Mon May 11 2020 11:51 AM
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Thank you soooo much Tom: I saw the two pawls on the side of the wheel- I guess one is the set and one the reset. I sprayed with kroil and pull against spring and released. Now free and resets properly! I just ran another wet test of 100 gals and everything seems right . Do you know if it is normal to always get fuel flow out of float overflow when you let go of trigger and before you shut off pump? I get a substantial amount every time. I will have to pipe it back to tank I guess.

Bobby

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snakeknuckles #748568 Mon May 11 2020 04:41 PM
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Glad you got the wheel freed up.
Your fuel overflow problem is common but I am not the guy to ask on that one. I don't work on the pumping mechanism. I'll bet you can Google the answer or hopefully someone on here can help.

Tom.


Always buying gas pumps and parts.

Visit my web site: www.gaspumps.us
Buckles Vintage Gas Pump Parts LLC
Carthage Indiana
snakeknuckles #748595 Mon May 11 2020 10:07 PM
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What model pump are you working on? I might have a service manual for it.

Jack Sim


Author, 1st & 2nd editions of Gas Pump ID book, 3rd edition is now available at www.gaspumpbible.com
Air Meter ID book also available
snakeknuckles #748597 Mon May 11 2020 11:16 PM
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Bobby,

Try asking Gas Pump Rob on this website (maybe send him a PM). He gets a lot of old pumps working and pumping gas. He may have the answer to your overflow problem.

Jack, that looks like a Gilbarco 904 or 906 to me.

-Steve


-Steve B. (WTB: 48" Flying A button, 48" black/org Phillips 66, White Star, and Chevrolet Signs. Also looking for a Wayne 866. Send a PM. Thanks.)
snakeknuckles #748602 Tue May 12 2020 04:26 AM
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Yes Jack It is a 906-7g... I am pumping #2 diesel thru it. It was an esso extra gas pump. I have not taken apart the float chamber to see what’s in it or if float is stuck but I’ve run a lot of fuel through it. I’ll see if gas pump rob can help. Tx

snakeknuckles #748627 Tue May 12 2020 01:38 PM
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I don't think it is a 904/906, it appears to be a tall pump (hard to see) and the 904/906 are short pumps. Also, the pipe where the hose attaches to is near the top, my pictures show the hose in the middle of the side panel.

Jack Sim


Author, 1st & 2nd editions of Gas Pump ID book, 3rd edition is now available at www.gaspumpbible.com
Air Meter ID book also available
snakeknuckles #748630 Tue May 12 2020 01:49 PM
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Hmmm. Pretty sure it is 906-17G... it is a short pump

snakeknuckles #748684 Wed May 13 2020 02:09 PM
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Hi again: Still looking for advise on reducing the vent pipe flow... I wrote to gaspump rob... Im guessing that flow might be caused by the pump relief setting? Jack How can I get a copy of service manual? Tx

-Bobby

Last edited by snakeknuckles; Wed May 13 2020 02:11 PM.
snakeknuckles #748824 Sat May 16 2020 04:18 AM
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Gaspump Rob tells me to just put a cap on the vent tube. he says the flow is caused by not having enough suction head- the pumps are designed to be sucking from underground tanks. Makes sense to me. On to final assembly! Tx


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