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John Deere Tractors Discussion Forum
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john deere b

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720diesel

04-04-2008 17:49:43




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I need the torque for the block, head, and connecting rods. I also need the clearances for the rod bearings.The tractor is a 1948 John Deere B. Thanks!




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PBrowning

04-04-2008 20:25:08




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 Re: john deere b in reply to 720diesel, 04-04-2008 17:49:43  
Set connecting rod bolts to 75 ft-lb, then tighten as needed to insert cotter.

Set Running Clearance from 0.001 to 0.003-inch. Thickness of the thinest shim is 0.003".

1150 in-lbs for cylinder head is right, and

125 ft-lbs for cylinder block-to-case is good.

(PatB)



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EdM

04-04-2008 18:11:46




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 Re: john deere b in reply to 720diesel, 04-04-2008 17:49:43  
Torque for block to case is 1500 inch pounds.
Cylinder head to block is 1150 inch pounds.
Connecting rods...all I can find is to tighten the nuts securly and put in cotter pins.
Connecting rod bearing oil clearance is .003 inch.



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