Compound – Top Covers

Hello Ladies and Gentlemen.

it’s time to take care of the top covers. There are two, one for the HP cylinder and one for the LP cylinder.

After the set up in the lathe, I clean up the bottom side, and the edge that fits in the cylinder.

Then turn around and clean the edge…

…and after a special setup I did the top side of the covers.

Here I have done both HP and LP top cover.

Now I have to find the middle of the centerline between HP and LP cylinder.

When that is done I market out for the hole…

…and drilled / threaded. Then I marked a line with a center drill because this material has to remove.

Then in the round table I center drilled / drilled and finish off with an end mill.

Then I placed on the cylinder block and drilled the hole.

Then I threaded the hole…

…and check so it fits well.

Then I remove some material so the two covers fits together…

…and with some adjustment it will do.

And this is how it looks so far.

One big step for me, one small step for the Compound.

I’ll be back.


About Benni Svensson

I am an happy retired man with many interest. I have been building models in my whole life, everything from aircraft to regal ship. I have build steam engine before, but now, I'll got plenty of time...
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