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Need some ECO help
#597164 Mon Feb 09 2015 12:42 PM
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Hi I have a ECO model 97 and looking for some info on a part.

I have looked on line and can't get a clear pic or part number for it , hope someone can help.

It is a black plastic piece by the looks of it on the threaded shaft. see pic.

Any help is appreciated

IMG_1922-2.JPG
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Re: Need some ECO help
Croft #597165 Mon Feb 09 2015 12:43 PM
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sorry pic rotated left , it is the back top left corner of ECO 97

Re: Need some ECO help
Croft #597167 Mon Feb 09 2015 12:52 PM
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Re: Need some ECO help
Cold Pizza #597168 Mon Feb 09 2015 12:55 PM
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I might but not sure what it supposed to look like or what its called , its behind the pencil tip , only half is left on the threaded shaft you can see it a bit in the corner

Re: Need some ECO help
Croft #597266 Mon Feb 09 2015 07:54 PM
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Looks like the adjusting nut ring & pin assembly. Item # 24 in the exploded view of the mechanical-rear parts view link posted by Cold Pizza.


Dave GILL,
Dave's Garage & Memorabilia, Inc.
Re: Need some ECO help
Dave's Garage #597287 Mon Feb 09 2015 08:41 PM
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.

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Re: Need some ECO help
JimT #597305 Mon Feb 09 2015 11:51 PM
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The part you have the pencil is part of the shotlengthener.

Without a s/l a ECO (this applies to the 93, 97 & 98 models) produces around 55 psi. With a s/l it will produce almost 110 psi.

Explanation: When ECO 90s were first produced service stations serviced cars and truck, so the ECOs needed to produce air pressures above 100. After trucks quit going to service station and went to truck garages, ECO offered these units without a s/l.

This has nothing to do with black plastic piece. Since I cannot see what it is I can only assume it is a broken piece of a spacer. Spacers are plastic and are usually red, but this one could be black. Spacers were used to lower the maximum PSIs. I have a large bag filled with many different size NOS ones.

(How many of you know the ECO sold a 97 that was capable of producing 300 PSI [if you compressor went that high]?)

You need a service manual.

We have been supplying parts for ECOs since 1989 and we believe we have the larges inventory of parts available (they are not being made anymore, but we do make many of them). We also offer a mechanism rebuild service. http://petrolianacollectibles.com/eco%2090%20parts.htm

Jack Sim




Last edited by Jack Sim; Tue Feb 10 2015 12:01 AM.

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Re: Need some ECO help
Jack Sim #597325 Tue Feb 10 2015 07:26 AM
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Jack, I think hes talking about (Like Dave said) #24 adjst nut&ring. I think the picture I provided is of an earlier one--brass?

Last edited by JimT; Tue Feb 10 2015 07:28 AM.
Re: Need some ECO help
JimT #597387 Tue Feb 10 2015 01:43 PM
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This is one of the early meters, I can tell that just from the small picture.

There doesn't seem to be anything wrong with the nut, other than it might be frozen to the screw.

He needs to post some better pictures.

Jack

Last edited by Jack Sim; Tue Feb 10 2015 01:44 PM.

Author, 1st & 2nd editions of Gas Pump ID book, 3rd edition is now available at www.gaspumpbible.com
Air Meter ID book also available
Re: Need some ECO help
Jack Sim #597395 Tue Feb 10 2015 01:58 PM
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Jack the small picture is of my meter ,that I have apart on the bench. Just to give the original poster an idea of what he's looking for. Even though he has a newer unit, and would most likely be getting a plastic adjst. nut. Just trying to help. He just joined the forum two days ago and hasnt replied yet. Maybe he'll never even log on again. lol

Last edited by JimT; Tue Feb 10 2015 02:01 PM.
Re: Need some ECO help
JimT #597508 Wed Feb 11 2015 12:45 AM
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As I stated above, we need better pictures.

Jack


Author, 1st & 2nd editions of Gas Pump ID book, 3rd edition is now available at www.gaspumpbible.com
Air Meter ID book also available
Re: Need some ECO help
Croft #597565 Wed Feb 11 2015 11:48 AM
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Perhaps the attached page from the Eco manual will be of some help. The whole manual used to be a free download off the Eco website.

Pages from Eco90manual.jpg

-Dave-
Collects Dino era Sinclair & Mopar items
Re: Need some ECO help
PLUM_72 #597641 Wed Feb 11 2015 06:15 PM
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After Mintex purchased the ECO company from Bennett around 1980 they produced the parts manual a page of which is shown just above. This was probably the worst manual printed, it was all black and it is difficult to determine small parts. The manuals printed before 1975 show much more details.

This is the one I use on my website: http://petrolianacollectibles.com/mech-rear.htm

Jack


Author, 1st & 2nd editions of Gas Pump ID book, 3rd edition is now available at www.gaspumpbible.com
Air Meter ID book also available

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