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  #1  
Old 04-30-2021, 11:03 AM
cjones1985 cjones1985 is offline
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Default Quietline

Hello gentlemen,
I have a 1974 IH Quietline that has a blown head gasket. I have ordered the replacement but my question is. With these original 10hp Kohler engines do I need to tourque to specs when putting the head back on? Or can I just tourque down to tight? Any help is appreciated. Thank you
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Old 04-30-2021, 11:28 AM
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Cubcadet_107 Cubcadet_107 is offline
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Yes, definitely do torque the head bolts to spec. Spec is in the range of 30-35 ft-lbs, 30 will do just fine. Be sure to look at the tractor service manual and find the head bolt torque sequence, and follow it!

Before you put it all back together, I have a recommendation. Because you blew the gasket, you may have warped the head or it was already warped and caused the gasket to blow. The way to remedy this is to take a piece of 220 grit sandpaper, and set it on a flat glass plate, then sand the surface of the head down until it is flat, making sure to keep a random sanding pattern so it works evenly. With the head on a flat surface, you should not be able to stick a .003" feeler gauge under the head in any area.

Once back together, run the engine for a couple hours and then re-torque the bolts to 30 ft-lbs again. When you replace the head gasket, it compresses and the head bolts will loosen slightly. Re-torquing them will remedy this.
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Old 04-30-2021, 11:29 AM
R Bedell R Bedell is offline
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Per page 12.16 of the K Series Service Manual.
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File Type: jpg K241T.jpg (36.5 KB, 188 views)
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Old 04-30-2021, 06:36 PM
twoton twoton is offline
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Quote:
Originally Posted by cjones1985 View Post
... Any help is appreciated...
Can you say de carbon?

https://www.onlycubcadets.net/forum/...339#post337339

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Old 05-03-2021, 03:47 PM
cjones1985 cjones1985 is offline
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Thank you all for the help. Any idea where I can find the specs at for the bolt pattern when I torque it back down? This is the orginal Kohler 10hp.
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Old 05-03-2021, 04:17 PM
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Quote:
Originally Posted by cjones1985 View Post
Thank you all for the help. Any idea where I can find the specs at for the bolt pattern when I torque it back down? This is the orginal Kohler 10hp.
Here's the relevant page from the copy of the Kohler service manual that I have (Revision 4-72)
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Old 05-03-2021, 05:11 PM
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Before you start, go here and read this.....
https://www.onlycubcadets.net/forum/...ead.php?t=5656
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Old 05-07-2021, 10:48 AM
cjones1985 cjones1985 is offline
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Thank you all. I was able to replace the head gasket and it fired up perfectly. I appreciate all the help as always
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Old 05-07-2021, 09:05 PM
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Quote:
Originally Posted by R Bedell View Post
Per page 12.16 of the K Series Service Manual.
This is what I did when I replaced the head gasket on my K161 for my 73:

-Sanded head flat on a piece of glass using Matt G's advice.
-Decarboned head/top of block
-Checked block deck for flatness with a straight edge.
-Oiled cylinder wall
-New gasket with copper coate
-New head bolts - a drop of oil before install.
-Torque specs are 15-20 FT LBS for this head, started with 15.
-Ran for 20-30 min, made it work a small bit (driving it around, taking off in third gear with my fat butt on the seat)
-After the engine cooled off (like next day) tightened the head bolts to 20FT LBS in the proper order 2-3 times making sure they were tightened properly.
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