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Search: Posts Made By: lr172
Forum: Traditional Aircraft Engines 10-09-2022, 08:46 AM
Replies: 34
Views: 5,810
Posted By lr172
I have rebuilt 2 ND engines and on both re-used...

I have rebuilt 2 ND engines and on both re-used the barrel nuts. One has 850 hours and the other 275. On the 540, a couple of the nuts had wear in the cam area and replaced them with used nuts from...
Forum: Traditional Aircraft Engines 06-01-2022, 07:30 AM
Replies: 34
Views: 5,810
Posted By lr172
Fretting is pretty common and difficult to spot;...

Fretting is pretty common and difficult to spot; Less so if the case already has a couple dowels in it. Divco will shave the case halves a few thou and then line bore the crank journals. This is...
Forum: Traditional Aircraft Engines 05-09-2022, 11:48 AM
Replies: 34
Views: 5,810
Posted By lr172
First, a lycoming does not have cyl hold down...

First, a lycoming does not have cyl hold down bolts. There are studs in the case and nuts are used to hold the cylinders on. No one replaces these at overhaul, nor does Lyc require it. Also, all...
Forum: Traditional Aircraft Engines 05-09-2022, 08:32 AM
Replies: 34
Views: 5,810
Posted By lr172
I have reused cyl hold down nuts. If they pass a...

I have reused cyl hold down nuts. If they pass a visual inspection, I don't believe they are a required or even recommended replacement. Let Divco or whoever is overhauling your case decide on the...
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