Oil pickup tube nut

Discussion of the Aerovee kit engine.

Oil pickup tube nut

Postby Bryan Cotton » Fri Feb 16, 2024 11:05 pm

See that nut?
Screenshot_20240216-205705-737.png
Screenshot_20240216-205705-737.png (843.68 KiB) Viewed 813 times


Inspecting that at annual it was several turns loose. I don't think I've looked closely at it before.

When I overhaul someday I'll figure out a better way to safety it.
Bryan Cotton
Poplar Grove, IL C77
Waiex 191 N191YX
Taildragger, Aerovee, acro ailerons
dual sticks with sport trainer controls
Prebuilt spars and machined angle kit
Year 2 flying and approaching 200 hours December 23
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Re: Oil pickup tube nut

Postby Area 51% » Sat Feb 17, 2024 7:55 am

Is the nut coming loose, or does the stud rotate in the case?

Double nut the stud from the bottom, and if you can turn it, it needs to be Locktited to the case. An annoying drip will ensue if those studs aren't sealed.
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Re: Oil pickup tube nut

Postby Bryan Cotton » Sat Feb 17, 2024 10:03 am

We had debated which happened and guessed the nut moved based on the stud length sticking out the bottom. But, I'm not 100% sure.
Bryan Cotton
Poplar Grove, IL C77
Waiex 191 N191YX
Taildragger, Aerovee, acro ailerons
dual sticks with sport trainer controls
Prebuilt spars and machined angle kit
Year 2 flying and approaching 200 hours December 23
User avatar
Bryan Cotton
 
Posts: 5034
Joined: Mon Jul 01, 2013 9:54 pm
Location: C77

Re: Oil pickup tube nut

Postby Bryan Cotton » Sat Feb 17, 2024 10:15 pm

Another forum member mentioned to me that he discovered that nut loose in the crankcase. We both looked for that step in the manual and he looked in the DVD. I think it comes preinstalled and there is no direction to check it during the build. I recommend checking it! Would probably be a good manual revision.
Bryan Cotton
Poplar Grove, IL C77
Waiex 191 N191YX
Taildragger, Aerovee, acro ailerons
dual sticks with sport trainer controls
Prebuilt spars and machined angle kit
Year 2 flying and approaching 200 hours December 23
User avatar
Bryan Cotton
 
Posts: 5034
Joined: Mon Jul 01, 2013 9:54 pm
Location: C77

Re: Oil pickup tube nut

Postby pfhoeycfi » Sun Feb 18, 2024 9:15 am

I installed longer studs because the stock studs were too short to use with the mini sump. When I did that I made another single purpose pretzel wrench to grab the nut. I now check the nut whenever I pull the sump to clean the strainer.
Peter
Peter Hoey
SEL Pvt, Comm Glider, CFIG, Pawnee & L19 Towpilot
Philadelphia Glider Council
Sonex B SNB0021, N561PH, Taildragger, Aerovee Turbo, MGL MX1, First flight Dec 18, 2022
Also built Sonerai IIL N86PH
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Re: Oil pickup tube nut

Postby Bryan Cotton » Sun Feb 18, 2024 9:47 am

pfhoeycfi wrote:When I did that I made another single purpose pretzel wrench to grab the nut.
Peter

Peter, I almost made one too, but Adam was able to use several different 10mm wrenches with different indexing to get it. It was a pain! I'd be interested to see a photo of your wrench posted here.
Bryan Cotton
Poplar Grove, IL C77
Waiex 191 N191YX
Taildragger, Aerovee, acro ailerons
dual sticks with sport trainer controls
Prebuilt spars and machined angle kit
Year 2 flying and approaching 200 hours December 23
User avatar
Bryan Cotton
 
Posts: 5034
Joined: Mon Jul 01, 2013 9:54 pm
Location: C77

Re: Oil pickup tube nut

Postby pfhoeycfi » Sun Feb 18, 2024 10:06 am

I'll get one. That may be a good idea for a thread at some point, the crazy tools we make, or modify for a specific purpose.
Peter Hoey
SEL Pvt, Comm Glider, CFIG, Pawnee & L19 Towpilot
Philadelphia Glider Council
Sonex B SNB0021, N561PH, Taildragger, Aerovee Turbo, MGL MX1, First flight Dec 18, 2022
Also built Sonerai IIL N86PH
pfhoeycfi
 
Posts: 378
Joined: Wed Jun 28, 2017 3:45 pm


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