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  #1  
Old 08-24-2011, 03:57 PM
Tram Tram is offline
 
Join Date: Sep 2007
Location: Florence, AL
Posts: 626
Default Removing vacuum pump from O-320? Magic words?

Ok I'm trying to pull the pump. I'm doing good on 3 out of 4 nuts.

Top left (if seated in aircraft looking at engine) appears to be on a stud, won't be any problem as soon as I get bottom left out.

This is the one I need the magic words for. How on earth do you get to this nut??
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  #2  
Old 08-24-2011, 04:31 PM
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n8zg n8zg is offline
 
Join Date: Feb 2005
Location: Navarre, FL
Posts: 168
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No magic words that I'm aware of, but this'll help a bunch:
http://www.cleavelandtoolstore.com/p...?number=WVP716
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Navarre, FL
CherokeeJet N9586J
RV-7 N8ZG (all the loose ends)
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  #3  
Old 08-24-2011, 05:48 PM
Tram Tram is offline
 
Join Date: Sep 2007
Location: Florence, AL
Posts: 626
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Hmm.. $35 tool for a onetime job. Maybe the local AP will have something I can borrow.
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  #4  
Old 08-24-2011, 06:44 PM
cholladay cholladay is offline
 
Join Date: Feb 2007
Location: San Antonio
Posts: 171
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Yea, if you don't have that tool and you have a vacuum pump you need to get one.
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Heritage Airpark TE86
RV-8 N769CE Sold
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  #5  
Old 08-24-2011, 06:46 PM
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tmbg tmbg is offline
 
Join Date: Jan 2008
Location: Atlanta, GA
Posts: 240
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cheap wrench + cutoff saw + welding skills.


If you don't have the skills, then you gotta have the bux
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  #6  
Old 08-24-2011, 07:00 PM
Tram Tram is offline
 
Join Date: Sep 2007
Location: Florence, AL
Posts: 626
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Just had a Hobart 187 show up. Maybe this should be my first project with it.
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  #7  
Old 08-24-2011, 07:02 PM
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n5lp n5lp is offline
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Join Date: Apr 2006
Location: Carlsbad, NM
Posts: 1,912
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I have first hand experience that all you need is a cheap wrench and a torch of some sort to heat it so you can bend it to the required shape. The dedicated tool works easier though.
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  #8  
Old 08-24-2011, 07:09 PM
RVadmirer RVadmirer is offline
 
Join Date: Dec 2006
Location: Kalifornia
Posts: 466
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When I picked up my plane the pump was dead and I insisted on a new one for the trip cross country. Ordered one overnighted from Cal to FL and watched the mech. install. He used a flat blade screwdriver and light hammer to loosen the nut and re-tighten it. He was very careful and tapped lightly on the lobes as needed to loosen and reinstall. Still doing well after 507 hours.
Would love to pull it and clean it so it goes another 500 hours, as I hear they can if one routinely cleans them, but it's a process....

Good luck.
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  #9  
Old 08-24-2011, 07:21 PM
Tram Tram is offline
 
Join Date: Sep 2007
Location: Florence, AL
Posts: 626
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Yeh, I just need it removed. Our EFIS should be here soon and the vacuum system is on it's way out.
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  #10  
Old 08-24-2011, 07:35 PM
CraigC CraigC is offline
 
Join Date: May 2005
Location: Mesa, AZ
Posts: 209
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Snap On carries a tool for this also.
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