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#586008 - Sat Dec 13 2014 10:24 AM Handle on Tokheim 300.
Alspumps Offline
Member

Registered: Fri Jul 12 2013
Loc: King county, WA
I am restoring a Tokheim 300 and the side apposite from the receiver side has a hole which looks like it is for a reset for the computer but this is done with the receiver handle when the nozzle is lifted out and flipped over. Should there be two ways to reset it or is this hole not used? It did not come with this handle or should it be there? I see some do have this handle. If its not to be used I will weld it shut. Looks like the same handle on my 39 model I restored. Thanks

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#586019 - Sat Dec 13 2014 11:22 AM Re: Handle on Tokheim 300. [Re: Alspumps]
gasmelincelr Offline
Petro Enthusiast

Registered: Mon Sep 10 2001
Loc: Mass.
It looks like a hex bolt head but is actually a breather.


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#586020 - Sat Dec 13 2014 11:27 AM Re: Handle on Tokheim 300. [Re: gasmelincelr]
Alspumps Offline
Member

Registered: Fri Jul 12 2013
Loc: King county, WA
Thanks. Now I know. Think I will weld it up.

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#586066 - Sat Dec 13 2014 03:43 PM Re: Handle on Tokheim 300. [Re: Alspumps]
st.rod Offline
Veteran Member

Registered: Fri Feb 15 2002
Loc: Edgewater, Colorful Colorado
That is a vent.

Larry
_________________________
In memory of DB 9/12/49 - 8/28/14

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#586166 - Sat Dec 13 2014 11:39 PM Re: Handle on Tokheim 300. [Re: st.rod]
Jack Sim Online   content
Veteran Member

Registered: Fri Nov 10 2000
Loc: St. Louis, MO, USA
As Larry said, it is a vapor vent.

Jack Sim
_________________________
Author, Gas Pump Identfication books 1st & 2nd Editions & Air Meter Identification books
We rebuild ECO air meters and sell parts.

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#586185 - Sun Dec 14 2014 06:50 AM Re: Handle on Tokheim 300. [Re: Jack Sim]
gasmelincelr Offline
Petro Enthusiast

Registered: Mon Sep 10 2001
Loc: Mass.
LOL

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#586186 - Sun Dec 14 2014 06:52 AM Re: Handle on Tokheim 300. [Re: Jack Sim]
azjockey Offline
Petro Enthusiast

Registered: Tue May 17 2011
Loc: Arizona
Thats the air eliminater vent off the tokhiem suction unit. The suction unit had a float in the top that when it started it would let the air out until fluid filled the chamber and the float closed the air vent and let the fluid flow to the meter and out the nozzle. Most all suction pumping units had an air vent.

Gene

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#586200 - Sun Dec 14 2014 07:58 AM Re: Handle on Tokheim 300. [Re: azjockey]
TJammer Offline
Petro Enthusiast

Registered: Wed Dec 05 2012
Loc: North Bay Ontario
Not quite Gene

Yes ...that is the air eliminator vent..but your theory of operation is not correct.

The large float in the air separator part of the pumping unit would let air/fluid in, until the fluid pushed the float up to its closed position. The closed position was actually a mechanical valve ( part of the float assy.) in the bottom part of the float, where it screwed into the pump unit. The float never closed the air vent, it just closed the inlet where the fluid would enter the air separator part of the pump unit. During that operation, air would be released through the air vent.

You could actually run the pump unit with the air separator cover removed, after the float closed the fluid inlet..I;ve done this a few times while rebuilding pumps in the shop, just to see what goes on in there..
_________________________
Imperial Oil collector..

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#586209 - Sun Dec 14 2014 08:35 AM Re: Handle on Tokheim 300. [Re: TJammer]
azjockey Offline
Petro Enthusiast

Registered: Tue May 17 2011
Loc: Arizona
Thanks Tom , You are 100% correct.

Gene

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#586213 - Sun Dec 14 2014 08:58 AM Re: Handle on Tokheim 300. [Re: azjockey]
Keystone Gas Man Offline
Veteran Member

Registered: Sat Jun 04 2011
Loc: Parkersburg, WV 26101
IMO I would replace the air vent bolt instead of welding it closed.. The Pump dump website or Tom Buckles here on Oldgas should have that part.
_________________________
Looking for Keystone,Pure,Sinclair,Texaco,Sterling and Gulf...Thanks, Brian

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