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FUEL BOOST PUMP 500B

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lloyd silverman

Joined: 02 Sep 2007
Posts: 25
Location: MOUNT VERNON,NY

Posted: Sun Sep 02, 2007 9:32 am Post subject: FUEL BOOST PUMP 500B

IM TIRED OF WAITING WEEKS FOR A BOOST PUMP OVERHAUL. ANYONE KNOW WHERE I CAN GET A SPARE.fOR 500B SN 1189.

_________________
LLOYD SILVERMAN

bobf(at)feldtman.com
Guest

Posted: Sun Sep 02, 2007 10:22 am Post subject: FUEL BOOST PUMP 500B

Good luck! I had mine rebuilt this past year, and it took quite a while. Now they are fine - but other problems have arisen.



Best of luck



bobf



On 9/2/07,  lloyd silverman <lloydsss(at)gmail.com (lloydsss(at)gmail.com)> wrote:[quote] --> Commander-List message posted by: "lloyd silverman" <lloydsss(at)gmail.com (lloydsss(at)gmail.com)>



IM TIRED OF WAITING WEEKS FOR A BOOST PUMP OVERHAUL. ANYONE KNOW WHERE I CAN GET A  SPARE.fOR 500B SN 1189.



--------

LLOYD SILVERMAN





Read this topic online here:



http://forums.matronics.com/viewtopic.php?p=132357#132357  [quote][b]

lloyd silverman

Joined: 02 Sep 2007
Posts: 25
Location: MOUNT VERNON,NY

Posted: Sun Sep 02, 2007 2:57 pm Post subject: Re: FUEL BOOST PUMP 500B

WHO DID THE OVERHAUL?? THANKS,LLOYD

_________________
LLOYD SILVERMAN

bobf(at)feldtman.com
Guest

Posted: Sun Sep 02, 2007 4:00 pm Post subject: FUEL BOOST PUMP 500B

My local A&P at Summitt aviation in Temple Texas. Didn't look hard to do



bobf



On 9/2/07, lloyd silverman < lloydsss(at)gmail.com (lloydsss(at)gmail.com)> wrote:[quote]--> Commander-List message posted by: "lloyd silverman" < lloydsss(at)gmail.com (lloydsss(at)gmail.com)>



WHO DID THE OVERHAUL?? THANKS,LLOYD



--------

LLOYD SILVERMAN





Read this topic online here:



  [quote][b]

bowing74(at)earthlink.net
Guest

Posted: Sun Sep 02, 2007 9:37 pm Post subject: FUEL BOOST PUMP 500B

These guys did well for me.  http://www.aircraftaccessoriesofok.com 

bilbo



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n395v

Joined: 10 Jan 2006
Posts: 450

Posted: Mon Sep 03, 2007 4:39 am Post subject: Re: FUEL BOOST PUMP 500B

Anyone ever tried to get a field approval for an external boost pump?



I went through 2 boost pumps on my 560 and 3 on the 685.



These damned things are terribly problematic.

_________________
Milt

lloyd silverman

Joined: 02 Sep 2007
Posts: 25
Location: MOUNT VERNON,NY

Posted: Mon Sep 03, 2007 6:50 am Post subject: Re: FUEL BOOST PUMP 500B

I BELEIVE CENTRAL AIR HAS AN STC OR FIELD APPROVAL ON 5OOB. 

I KNOW SEVERAL COMMANDER DRIVERS WHO ONLY TURN ON BOOST PUMPS TO START ENGINES, NEVER DURING FLIGHT. NOT A SAFE IDEA,BUT PUMPS LAST LONGER.....

_________________
LLOYD SILVERMAN

bowing74(at)earthlink.net
Guest

Posted: Mon Sep 03, 2007 7:38 am Post subject: FUEL BOOST PUMP 500B

"Not a safe idea?"

A little boost pump trivia.

The Pratt and Whitney powered Douglas DC-8 was designed to take off and land

with the boost pumps off.  Supposedly, Douglas felt if you wrecked it at

least the boost pumps wouldn't be pumping fuel into the fire.  I'm not sure

why they thought you would have electrical power for the pumps to run

though.

The end.

bilbo



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CloudCraft(at)aol.com
Guest

Posted: Mon Sep 03, 2007 7:47 am Post subject: FUEL BOOST PUMP 500B

In a message dated 03-Sep-07 08:39:36 Pacific Daylight Time, bowing74(at)earthlink.net writes:

  	  Quote: 	
		  A little boost pump trivia. 	


 And a bit more ...

  

 Remember when Cessna 300 and 400 series had HI/LO boost pumps that were pressure switch activated?  If fuel pressure dropped below a certain value, the pump would kick into HI output.

  

 More engine failures were caused by engine flooding than anything else and Cessna had the pressure switches removed.

  

  

 Wing Commander Gordon



AOL.com.

  [quote][b]

bowing74(at)earthlink.net
Guest

Posted: Mon Sep 03, 2007 9:35 am Post subject: FUEL BOOST PUMP 500B

Too much of a good thing.  

bilbo  

         

  

From: owner-commander-list-server(at)matronics.com [mailto:owner-commander-list-server(at)matronics.com] On Behalf Of CloudCraft(at)aol.com

 Sent: Monday, September 03, 2007 11:46 AM

 To: commander-list(at)matronics.com

 Subject: Re: Re: FUEL BOOST PUMP 500B  

  

       

In a message dated 03-Sep-07 08:39:36 Pacific Daylight Time, bowing74(at)earthlink.net writes:  

   	  Quote: 	
		    

A little boost pump trivia.  	
  

    

[b]And a bit more ..[/b]  

    

   

    

[b]Remember when Cessna 300 and 400 series had HI/LO boost pumps that were pressure switch activated?  If fuel pressure dropped below a certain value, the pump would kick into HI output.[/b]  

    

   

    

[b]More engine failures were caused by engine flooding than anything else and Cessna had the pressure switches removed.[/b]  

    

   

    

   

    

[b]Wing Commander Gordon[/b]  

  



 

     

AOL.com.  

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       [quote][b]

moe(at)rosspistons.com
Guest

Posted: Mon Sep 03, 2007 11:27 am Post subject: FUEL BOOST PUMP 500B

Milt,



Where was the fuel pump on your 685?  I would have assumed that it was in

the same place as my 680 (in the nacelle).  They are a little hard to get to

but not in the tank.



Moe



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