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Another B question again
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TMiller/NC View Drop Down
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Joined: 11 Sep 2009
Location: Lenoir, NC
Points: 1776 		Post Options Post Options   Thanks (0) Thanks(0)   Quote TMiller/NC Quote  Post ReplyReply Direct Link To This Post Topic: Another B question again
    Posted: 15 Feb 2012 at 6:23pm
Can the cam in a  B engine be removed and replaced with out splitting the tractor and inverting the block?   Thanks, Tim
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SteveM C/IL View Drop Down
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Joined: 12 Sep 2009
Location: Shelbyville IL
Points: 8629 		Post Options Post Options   Thanks (0) Thanks(0)   Quote SteveM C/IL Quote  Post ReplyReply Direct Link To This Post Posted: 15 Feb 2012 at 6:38pm
I haven't done this one but my guess is that you need to get some dowel rods and drive them into lifters and then hold up with a clothes pin...or something along that line. Lifters will have to held up off cam some how. Some outfit used to sell magnetic ended "tools" that had a skinny rod to reach them down to lifter and a clip affair up top to catch and hold position. Borrowed some when pulled the cam outa my 8070.

Edited by SteveM C/IL - 15 Feb 2012 at 6:42pm
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Gary View Drop Down
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Joined: 13 Sep 2009
Location: Peterborough,On
Points: 5900 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Gary Quote  Post ReplyReply Direct Link To This Post Posted: 15 Feb 2012 at 6:38pm
Wouldn't the lifters all drop down and fall out when the cam is removed ?
 
Gary
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SteveC(NS) View Drop Down
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Joined: 12 Oct 2009
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Points: 663 		Post Options Post Options   Thanks (0) Thanks(0)   Quote SteveC(NS) Quote  Post ReplyReply Direct Link To This Post Posted: 16 Feb 2012 at 12:01pm
I just went to the shop and rotated my engine on the stand to have a look and I think your only hope would be, as SteveM said, to hold the lifters up with magnets like those rare earth ones that Lee Valley offers? I don't know if they'd be strong enough though.  
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TMiller/NC View Drop Down
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Joined: 11 Sep 2009
Location: Lenoir, NC
Points: 1776 		Post Options Post Options   Thanks (0) Thanks(0)   Quote TMiller/NC Quote  Post ReplyReply Direct Link To This Post Posted: 16 Feb 2012 at 7:33pm
It says in the manual I have to hold up the tappets and remove cam.... No instructions on holding the tappets.  I'm thinking not many more bolts to split tractor after front of motor is removed.  That's probably what I'll do if I decide to remove cam.   Checked on replacement bushings for the magneto housing today, the small shaft bushing was $40 plus and the gear bushing was $20 plus so I made them from some bronze bearing stock. 
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