Re: [COUPERS-TECH] Ercoupe Decal and Idling Problems

Wed, 16 Nov 2005 11:59:42 -0800 

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Buck, I agree with Hartmut.  I had an idling problem when I purchased my Ercoupe recently (wanted to quit right after touch down...not good if a go around is necessary). Turned out that I had the Stromberg cleaned and adjusted, put it back on and still had the problem so off again and this time they found a very small amount of a type of residue (maybe varnish-like) in the bottom end of the brass tube which carries the fuel for idling. This tube screws into the main chamber which carries all of the fuel that flows thru the carb.  The way they cleaned it was to use a certain size drill bit (not sure what size it was but is was very small). Anyway that was the problem and it now runs great. If the carb comes off for servicing, this is a must and compressed air will not do it.

Charlie

----- Original Message -----
From: "hartmut beil" <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED], [EMAIL PROTECTED]
Subject: Re: [COUPERS-TECH] Ercoupe Decal and Idling Problems
Date: Wed, 16 Nov 2005 16:27:08 +0000

Buck.

I would guess that your idle jets are plugged or partly plugged. They are just two holes in the carb where the mixture knob screws in to. One hole is responsible for the low idle , the other for the rpm between 900 and 1100.

Best is to take the carb apart one more time and clean with compressed air.

As always, I can be wrong.

Hartmut

From: "Ed Robbins" <[EMAIL PROTECTED]>
Reply-To: "Ed Robbins" <[EMAIL PROTECTED]>
To: "Sydney Cohen" <[EMAIL PROTECTED]>
CC: "ercoupers" <[email protected]>
Subject: Re: [COUPERS-TECH] Ercoupe Decal and Idling Problems
Date: Wed, 16 Nov 2005 11:06:28 -0500

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Syd...
 
 
Thanks so much for such a prompt response.  Pulling carb heat causes a slight RPM drop... as it should.  Have not left it on for very long, however. 
 
Have also adjusted and re-adjusted the idle mixture knob numerous times, 1/8 to 1/4 turn at a time.  It's been difficult to determine when adjusting whether it is loading up or leaning out.
 
Have all the printed technical data manuals for the carburator.
 
Buck
 
 ----- Original Message -----
Sent: Wednesday, November 16, 2005 12:03 AM
Subject: Re: [COUPERS-TECH] Ercoupe Decal and Idling Problems

I'm guessing that you have an intake leak, allowing air to enter the intake system, causing your engine to run too lean.  What happens when you pull carb heat?

Syd



Ed Robbins wrote:
----[Please read http://ercoupers.com/disclaimer.htm before following any advice in this forum.]----
Yo...
 
Have located a company who can  re-create the Ercoupe Logo seen on many cowlings.  Need to send him a JPEG or BMP file and the dimensions.
 
Also, am having difficulty getting my C-85 to idle smoothly below 800 rpm's.  The Stromberg carb was recently completely disassembled and re-built.
 
Your thoughts, please.
 
 
Thanks!
 
Buck Robbins
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