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  #11  
Old 05-14-2019, 09:07 PM
DXseekerMO DXseekerMO is offline
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Quote:
Originally Posted by RLause View Post
Check this link. Someone else had about the same problem.

https://www.lawnmowerforum.com/showt...finally-solved

The service manual for the engine should be available from the Kohler Engines site.
Thanks for sharing the link. I happened across this post in my research. Unfortunately the internals on his engine are different than mine. His has centrifugally operated weights and mine does not.

Can anyone explain to me how the ACR system works on my engine? It's a SV715-0019 engine, 22hp Kohler Courage twin.
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  #12  
Old 05-14-2019, 09:45 PM
DXseekerMO DXseekerMO is offline
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I came up with some pics of the camshaft out of one of these. I just don't see anything that looks like a compression release anywhere on these pictures. Can someone tell me what I am missing?
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File Type: jpg sv715cama.jpg (14.5 KB, 40 views)
File Type: jpg sv715camb.jpg (16.3 KB, 41 views)
File Type: jpg sv715camc.jpg (16.4 KB, 41 views)
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  #13  
Old 05-15-2019, 06:48 AM
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Leadslingingdaddy Leadslingingdaddy is offline
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Check the valve seats to ensure they haven't loosened up and moved back towards the rocker arms....Is this a Courage or Command engine? Briggs Intek are known for this....
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  #14  
Old 05-15-2019, 08:27 AM
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I am pretty sure that the compression release is derived by way of a small bump in the grind of the exhaust valve. If you have the plugs out and the valve covers off, turning the engine slowly by hand back and forth, and pressing down on the exhaust rocker arm, just around the the TDC area of each cylinder you should be able to feel it. It is so slight you probably can't see it. If that seems good you might want to revisit the starter.

Here is a link to same problem on another venue that might be helpful.. Be sure to read to end (2 pages).
https://www.tractorbynet.com/forums/...n-release.html
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  #15  
Old 05-15-2019, 11:49 AM
DXseekerMO DXseekerMO is offline
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Quote:
Originally Posted by ironman View Post
I am pretty sure that the compression release is derived by way of a small bump in the grind of the exhaust valve. If you have the plugs out and the valve covers off, turning the engine slowly by hand back and forth, and pressing down on the exhaust rocker arm, just around the the TDC area of each cylinder you should be able to feel it. It is so slight you probably can't see it. If that seems good you might want to revisit the starter.

Here is a link to same problem on another venue that might be helpful.. Be sure to read to end (2 pages).
https://www.tractorbynet.com/forums/...n-release.html
I thought the compression release had to be an "extra" lobe on the cam. It seems to me this wouldn't be so susceptible to wear that it wears that lobe down.

Thankfully we have a place locally that rebuilds starters. I think I will take it back off and get their opinion....but by the looks of the starter internals its time for it to get some attention anyhow.

As soon as I have an update on the starter I will post it. I bet they are 4-5 days out on the repair from when I bring it in.
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  #16  
Old 05-15-2019, 02:59 PM
DXseekerMO DXseekerMO is offline
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Default It cuts!

I found out if I rotate the starter and turn the leaf guard atop the engine with the palm of my hand I can get the starter to push past the compression lock and start.....so I said the heck with it, let's mow some grass.....after I get the deck lift cable back in to the right side pulley.

The mower runs and cuts GOOD! The engine is smooth with really good power and other than the blades needing sharpened it's a grass cuttin' son of a gun!

I need to get an air filter. Once I do I'll "twist and start" the mower, finish up the yard then pull the starter and have the rebuilder give it a go!
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  #17  
Old 05-15-2019, 07:05 PM
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I might be crazy. But this sounds like an engine that might be just slightly out of timing.
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  #18  
Old 05-15-2019, 07:21 PM
DXseekerMO DXseekerMO is offline
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Quote:
Originally Posted by cooperino View Post
I might be crazy. But this sounds like an engine that might be just slightly out of timing.
As in like a bent woodruff key on the flywheel? A coil out of position?

I just stopped short of wondering this myself....a bit too advanced? EDIT/ADD: The magnet fasteners on the flywheel have witness marks. Someone has messed with it.

How does one set the timing on these engines cooperino?
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  #19  
Old 05-16-2019, 06:22 AM
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Is it a courage or a command?
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  #20  
Old 05-16-2019, 06:41 AM
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Quote:
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Is it a courage or a command?
He already answered that.
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