REFLECTOR: I've got Fuel Pressure!!!

[Brian Michalk]

I think you dodged a bullet there.

On 11/28/2010 05:31 PM, aminetech at bluefrog.com wrote:
> Yesterday I replaced the bad spring, but couldn't get the valve 
> mechanism apart.  I didn't want to force it and break it.  But it 
> didn't work with the new spring, so I figured I had nothing to loose 
> so I forced it apart.  There were a few tiny bumps, reminded me of 
> weld spatter, that were binding the movement.  I cleaned it up with # 
> 2000 grit sand paper.  That shined it up nice and made it work real 
> smooth.  That did the trick.  Now the pressure is 6-7 psig.
> To answer Steve's question, I had an electrical short several weeks 
> back.  I had installed a larger battery so I could have the luxury of 
> starting the engine when it's hot.  This put the + terminal close to 
> an air duct going to my oil filter.  It ended up contacting the metal 
> coil in the duct and draining the battery.  The current likely went 
> through the oil lines to the engine and then to the starter ground.  
> Somehow it went through the fuel pump damaging the regulator spring 
> and mechanism.  Having had a close look at it, the PZL pump seems like 
> a reliable pump that should last a long time.
> John
>
> --- s_korney at hotmail.com wrote:
>
> From: steve korney <s_korney at hotmail.com>
> To: Reflector Reflector <reflector at tvbf.org>
> Subject: Re: REFLECTOR: Franklin Fuel Pump
> Date: Sat, 27 Nov 2010 05:24:38 +0000
>
> John...
>
> How could that happen in the engine...?
>
> Steve
>
>
>
> ------------------------------------------------------------------------
> Date: Fri, 26 Nov 2010 19:45:21 -0800
> From: aminetech at bluefrog.com
> To: reflector at tvbf.org
> Subject: Re: REFLECTOR: Franklin Fuel Pump
>
> I removed and disassembled my fuel pump and I think I've found the 
> problem.  Attached is a pic of my pressure adjustment screw and 
> spring.  The left end of the spring looks normal while the right side 
> is completely compressed and looks like it's been welded/overheated.  
> There is a small hole that looks like it was burned through the 
> spring.  In it's current condition, the spring doesn't look like it's 
> long enough to put pressure on the diaphram.
> John
>
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