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Case Tractors Discussion Forum

still can not get the head off

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Duane TX

05-21-2006 13:57:51

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Howdy guys,
after a few years, I still can't get the head off of my LA.
Do you'all have any secrets???
I have a few stuck vales plus I want to grind the vales.

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RobertTX

05-22-2006 05:40:09

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Re: still can not get the head off in reply to Duane TX, 05-21-2006 13:57:51

Usually this happens on tractors that have set outside without a hood. Water has gotten around the studs that are outside the valve cover and rust has formed in there, so that is the best target for your penetrant. I pull them by putting a 1/4" chain around the web in the push rod opening about halfway the length of the head and bolt a lift eye or two in the manifold stud holes. This way you can pull straight up. Put a bind on it with a hoist and try to rock it from side to side, should come loose. Be very careful if you drive anything under it.

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Walt Davies

05-21-2006 16:29:10

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Re: still can not get the head off in reply to Duane TX, 05-21-2006 13:57:51

This is straight from the LA service manual can't go wrong here.
Walt
----- ----- ----- ----- ----- ---
TO REMOVE CYLINDER HEAD
Drain Radiator: Remove engine hood, mani-
fold, valve cover, spark plug wires, nuts
holding rocker arm assembly and remove
rocker arm assembly. Remove push rods, nuts
from cylinder head stud bolts. Remove cylinder head.
----- ----- ----- ----- ----- ----- ----

After all this and you are positive that you have all bolts removed then use a long thin flathead screw driver to drive between head and block. Try to split the gasket so you don't hurt the head or block. Be careful if one bolt or nut is not off you can break the head. Put two nuts or eye rings on the two inside (longer)studs that held the the rocker assembly on. Use a crane or rope pulley that will hold up 200 lbs and hook to these, this head is heavy you don't want to drop it.
Remember to remove the water jacket from the head to radiator. don't lose any shims you will need them to reinstall it.
Walt
PS if you need any more help let me know. I have removed several of these. Gene Dotson should also know how he just rebuilt his LA.

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Tom Railsback

05-22-2006 07:13:55

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Re: still can not get the head off in reply to Walt Davies, 05-21-2006 16:29:10

I had a head I couldn't get off a CC. One of my friends put a large bar into one of the exhaust ports and after a few minutes prying, it came looose with no damage.

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Roger (Mi)

05-24-2006 04:56:58

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Re: 4' pipe in a intake or exhaust port. in reply to Tom Railsback, 05-22-2006 07:13:55

Tom is right. I've removed hundreds of heads (some stuck) a 4 foot length of pipe that fits neatly into an exhaust port or intake port makes a hard job easy.

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