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Disassembling a 283

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Old Dec 7, 2008 | 10:01 PM
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Default Disassembling a 283
I am disassembling a 283 and have removed all main caps except the rear one. What is the secret to getting this one out? I have removed the oil pump and the two retaining bolts, but there seems to be a pin of some sort holding the left side in place. This is my first time breaking one of these down and I don't want to screw something up. I have all of the pistons out except the front and rear on the same side. The crank is prohibiting me from getting at the studs. Thanks for the help.
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Old Dec 7, 2008 | 11:15 PM
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Leave one of the main bolts in the cap and hit it from the side with a soft hammer, it will break the cap loose.

If the main cap is far enuf lose so you can see a pin, a couple brake adjusting tools make nice pry bars to ift the cap off.

You should be able to rotate the crank to access all rod bolts.

Doug
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Old Dec 8, 2008 | 08:31 AM
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Thanks. I will give that a try.
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Old Dec 8, 2008 | 08:52 AM
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Don't forget to mark all the main caps in numerical order what web they came off of. Same way with the rod caps or whoever puts that back together will have a mess.
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Old Dec 8, 2008 | 10:33 AM
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Originally Posted by MikeM
Don't forget to mark all the main caps in numerical order what web they came off of. Same way with the rod caps or whoever puts that back together will have a mess.
No mixing matched parts!
Last edited by Dick Horzen; Dec 8, 2008 at 10:36 AM.
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Old Dec 8, 2008 | 11:49 AM
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All of the rest of them are off, numbered and mounted on a piece of plywood in order. Thanks for making sure.
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Old Dec 8, 2008 | 11:54 AM
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If it's an early 283 with the rope type rear main seal, they can stick pretty well sometimes. A good whack with a deadblow hammer will loosen it up.
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Old Dec 8, 2008 | 06:34 PM
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Default Got it out
It was a piece of cake. Got it out this afternoon with no problems. Thanks guys.
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Old Dec 8, 2008 | 07:35 PM
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Originally Posted by MikeM
Don't forget to mark all the main caps in numerical order what web they came off of. Same way with the rod caps or whoever puts that back together will have a mess.
The main caps are marked from the factory. I did not believe it. Gayle Parsons told me to look. They are faint but they are there. Takes the fear out of assembly.
Regards

What is the best procedure to mark rods and caps?
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Old Dec 8, 2008 | 07:52 PM
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Originally Posted by john neas
The main caps are marked from the factory. I did not believe it. Gayle Parsons told me to look. They are faint but they are there. Takes the fear out of assembly.
Regards

What is the best procedure to mark rods and caps?
A small number punch, mark the rod and the cap where it parts. On the outside is the place I mark them.
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