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1988 John Deere 318 Repower with Vanguard 20HPVanguard V-Twin 20 HP 351447-1075A1 Revival


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#136 Trav1s OFFLINE  

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Posted December 09, 2017 - 02:21 PM

PUlled the valve covers off of the Vanguard and the valves open and close as I would expect.  Now I am curious about what appeared to be the loss of compression.  Hmmm


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#137 dodge trucker ONLINE  

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Posted December 09, 2017 - 02:47 PM

maybe the seller dien't know what they had/ what they were talking about?    Pistons both move in the cylinders like they should?


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#138 Trav1s OFFLINE  

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Posted December 09, 2017 - 03:22 PM

maybe the seller dien't know what they had/ what they were talking about?    Pistons both move in the cylinders like they should?

 

Just pulled the plugs and dropped long screwdriver down into the plug holes.  The right piston (as you look at the front of the engine) moves fine but the left piston does not move.  Ding ding ding!  We have a busted rod!!!!  


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#139 Trav1s OFFLINE  

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Posted December 09, 2017 - 03:30 PM

Messed with the Command and I cannot turn it by hand.  I suspect it is in rough shape inside.  One plug had oil on it.


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#140 Trav1s OFFLINE  

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Posted December 10, 2017 - 08:46 AM

Vanguard pics

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#141 KennyP OFFLINE  

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Posted December 10, 2017 - 08:55 AM

Messed with the Command and I cannot turn it by hand.  I suspect it is in rough shape inside.  One plug had oil on it.

Check that the flywheel magnets aren't loose and hitting on the stator! That was what happened to my 25 HP! I stuck a breaker bar on it to turn it over and found that out. As bad as they were tore up, I believe they all were loose and one came off, taking the rest out and bending the stator.


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#142 Trav1s OFFLINE  

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Posted December 10, 2017 - 09:02 AM

Thanks Kenny!

I will try that later today if time allows.  It it happened on one I am sure it could as easily have happened on another. 

 

Oh, another surprise on the Command is how much heavier it is than the Vanguard.  It was more than my 5'6" 165lb self wanted to wrestle out of the back of my Jeep to the garage floor.   :oh_shucks:


Edited by Trav1s, December 10, 2017 - 09:04 AM.

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#143 KennyP OFFLINE  

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Posted December 10, 2017 - 09:08 AM

That 25 HP was all I wanted to handle for sure. Since it is a vertical shaft, I found good hand holds. I'm a little taller, but about the same weight.


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#144 Trav1s OFFLINE  

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Posted December 10, 2017 - 09:17 AM

The seller loaded it for me and said it was much heavier than the Vanguard.  I worked the Command to the back of the Jeep and then gave it a big hug and placed my hands on the back to the muffler mounts.  The rest was a very slow and intentional move to use my legs and not my back.  In hindsight, I think moving the Command was easier than lifting my 3 year old daughter who constantly moves when I pick her up.  LOL


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