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Eco 97 (1948) restoration #683242
Sun Mar 26 2017 02:13 PM
Sun Mar 26 2017 02:13 PM
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Dayton
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Mockingbird812 Offline OP
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Mockingbird812  Offline OP
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I got this meter a couple years ago and finally had time to break it down and put it back to new. Although it looks rough on the outside the internals were really in good shape with minimal corrosion (except the insides of the lower cast plenum that houses the diaphragm (pix to follow). Jack Sim has provided the necessary pieces to make it operate and look new again. His book has been invaluable. Thanks Jack (and Cindy too!)

Before:





Last edited by Mockingbird812; Sun Mar 26 2017 03:11 PM.

Sam
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Re: Eco 97 (1948) restoration [Re: Mockingbird812] #683245
Sun Mar 26 2017 02:41 PM
Sun Mar 26 2017 02:41 PM
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Dayton
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Mockingbird812 Offline OP
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This is a 1948 model according to Jack and is the 2nd year for this model (Eco 97). There are a few features on this model (according to Jack) that are not found on later models. I'll point them out as I go on.

Here are the guts broken down for mechanical and cosmetic restoration (notice the original brass bell after a bit of elbow grease and quad ought steel wool):



Sam
Re: Eco 97 (1948) restoration [Re: Mockingbird812] #683246
Sun Mar 26 2017 02:54 PM
Sun Mar 26 2017 02:54 PM
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Mockingbird812 Offline OP
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This pin is located at the top of the mechanism box and holds the top geared wheel in place. It is wire-tied to a small boss near it. I believe this pin went away in later models.



Sam
Re: Eco 97 (1948) restoration [Re: Mockingbird812] #683247
Sun Mar 26 2017 02:58 PM
Sun Mar 26 2017 02:58 PM
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Mockingbird812 Offline OP
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This copper "drain tube" which is behind the main valve is supposedly not found on new versions of the tireflators....



Sam
Re: Eco 97 (1948) restoration [Re: Mockingbird812] #683248
Sun Mar 26 2017 03:05 PM
Sun Mar 26 2017 03:05 PM
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Dayton
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Mockingbird812 Offline OP
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This is a "felt oiler" at the end of the tireflator spring that Jack has stated were removed from future designs or during maintenance....



Sam
Re: Eco 97 (1948) restoration [Re: Mockingbird812] #683252
Sun Mar 26 2017 04:45 PM
Sun Mar 26 2017 04:45 PM
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Dayton
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Mockingbird812 Offline OP
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Here is what was found in the diaphragm plenum. I'm thinking that the system missed a daily moisture purge, or two over the years! I used a strong concentration of muriatic acid to eradicate the rust on the inside of the cast iron diaphragm housing......



Last edited by Mockingbird812; Sun Mar 26 2017 05:06 PM. Reason: Add text

Sam
Re: Eco 97 (1948) restoration [Re: Mockingbird812] #683254
Sun Mar 26 2017 05:05 PM
Sun Mar 26 2017 05:05 PM
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Mockingbird812 Offline OP
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Parts ready for reassembly following mechanical and cosmetic restoration....







I wanted to use the original face as the reproduction faces have a different message. The few "warts" on the face are acceptable to me....




Last edited by Mockingbird812; Sun Mar 26 2017 05:24 PM. Reason: Add text

Sam
Re: Eco 97 (1948) restoration [Re: Mockingbird812] #683262
Sun Mar 26 2017 05:44 PM
Sun Mar 26 2017 05:44 PM
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Dayton
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Mockingbird812 Offline OP
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Insides getting put back together. I'm waiting on frame, shroud pieces, and base mount at the powder coaters for final assembly....




Last edited by Mockingbird812; Sun Mar 26 2017 05:55 PM.

Sam
Re: Eco 97 (1948) restoration [Re: Mockingbird812] #683265
Sun Mar 26 2017 06:20 PM
Sun Mar 26 2017 06:20 PM
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Mockingbird812 Offline OP
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https://youtu.be/e3lAMWORJsY

Not so good at embedding a video, but this link is a quick test to ensure the systems work. Surprisingly it was only off by one psi prior to calibration.

Last edited by Mockingbird812; Sun Mar 26 2017 06:22 PM.

Sam
Re: Eco 97 (1948) restoration [Re: Mockingbird812] #683272
Sun Mar 26 2017 07:03 PM
Sun Mar 26 2017 07:03 PM
Joined: May 2012
Posts: 3,646
Hays, Kansas
bsplichal95 Offline
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bsplichal95  Offline
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Hays, Kansas
Looks really good!


Braden Splichal

Re: Eco 97 (1948) restoration [Re: Mockingbird812] #683279
Sun Mar 26 2017 07:42 PM
Sun Mar 26 2017 07:42 PM
Joined: May 2016
Posts: 327
Midland, Michigan
BrianH Offline
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BrianH  Offline
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Midland, Michigan
Nice progress update. The restoration looks like a first-class job. Make sure to post pics when the bodywork gets back from the powder coating place.

BrianH

Re: Eco 97 (1948) restoration [Re: Mockingbird812] #683280
Sun Mar 26 2017 07:46 PM
Sun Mar 26 2017 07:46 PM
Joined: Aug 2014
Posts: 725
Plano TX
SandPCollector Offline
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SandPCollector  Offline
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Plano TX
Neat to see the before and after pictures. Really nice workmanship.


Regards, Jim

I collect gas pump salt and pepper shakers
and the plastic coin banks both made by AVSCO.
Re: Eco 97 (1948) restoration [Re: Mockingbird812] #683285
Sun Mar 26 2017 08:12 PM
Sun Mar 26 2017 08:12 PM
Joined: Dec 2011
Posts: 8,818
Abbotsford, British Columbia, ...
Dave's Garage Offline
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Dave's Garage  Offline
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Nice work, you went the extra mile.


Dave GILL,
Dave's Garage & Memorabilia, Inc.
Re: Eco 97 (1948) restoration [Re: Mockingbird812] #683299
Sun Mar 26 2017 11:27 PM
Sun Mar 26 2017 11:27 PM
Joined: Oct 2009
Posts: 2,438
Montana
hotrodfun1 Offline
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hotrodfun1  Offline
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Montana
Looks great.


Always looking for grizzly gasoline stuff, or any Montana gas and oil stuff.
Re: Eco 97 (1948) restoration [Re: hotrodfun1] #683318
Mon Mar 27 2017 07:02 AM
Mon Mar 27 2017 07:02 AM
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Dayton
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Mockingbird812 Offline OP
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Thanks guys. Have really enjoyed working on this. The design is quite impressive and robust. Very few pieces needed to be replaced. I will have to leave the back end of the tireflator open to show off the mechanical visual features when its operating and in my shop. BTW, I am finishing up a refurb of my detached garage and the air meter will mount in this area....



Sam
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