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Replacing Bearings in a Stratus PSRU

 
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Falcon



Joined: 08 Oct 2006
Posts: 9

PostPosted: Mon Sep 03, 2007 5:47 pm    Post subject: Replacing Bearings in a Stratus PSRU Reply with quote

Stratus EA-81 conversion, ca. 1999.

I need to replace my PSRU bearings -- these are the two 6207-2RS bearings in the large hub. To get to them, I think I need to pull the spindle, by loosening the jam nut on the back of the PSRU. Now, the jam nut is a spanner type, with four rectangular notches, cut into the perimeter of the nut at 90 degree increments.

Where do I find a wrench that will handle this?

Please note I've also asked the Zenith list, as this is hanging off the nose of my CH-601 HDS.


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andynfultz(at)bellsouth.n
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PostPosted: Mon Sep 03, 2007 6:44 pm    Post subject: Replacing Bearings in a Stratus PSRU Reply with quote

When I ordered my Stratus, they sent the wrenches to work on it (the
reduction) when they shipped my engine. You may want to contact them.

Andy Fultz

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Falcon



Joined: 08 Oct 2006
Posts: 9

PostPosted: Sun Sep 09, 2007 7:13 pm    Post subject: Re: Replacing Bearings in a Stratus PSRU Reply with quote

This is a great community of builders. Gary, (gkrysztopik) heard of my plight with the PSRU bearings, but didn't realize 'falcon' hangered the Zenith just two hangers down from his.

I stopped by his hanger this afternoon, and described my situation -- interesting, he noted, he'd read about someone else with the same problem on the Matronics list. 'Falcon', I asked?

Yes!

That's me.

Gary loaned me his PSRU eccentric adjustment wrenches and spreader bolts. And I'm happy to say I've pretty much broken the redrive down into its constituent components.

The new bearings are in the freezer, and the sprocket goes in the oven sometime next week, as I find the time to swap the old for the new.

The wobbling prop hub was indeed caused by a failing front bearing. Check your belts. I suspect mine was wound a little tight.

Thanks to Gary and to Larry MacFarland for keeping us very, very happy with our Stratus conversion.


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