[AT] Subject: Re: 16 HP Onan twin

[Phil Auten]

I wonder if there is some sort of high temp epoxy that would hold in 
that application. That would be a temporary fix, but perhaps it would 
hold long enough for you to save up the funds for the replacement.


Phil in TX


On 7/19/2020 5:11 PM, Andy Glines wrote:
>
> Message: 12
> Date: Sun, 19 Jul 2020 14:43:21 -0500
> From: Phil Auten <pga2 at basicisp.net>
> To: at at lists.antique-tractor.com
> Subject: Re: [AT] 16 HP Onan twin
> Message-ID: <fe56d210-ae9b-625c-0dbf-a628984ea7b2 at basicisp.net>
> Content-Type: text/plain; charset="windows-1252"; Format="flowed"
>
> Andy, could you stake the seat into the block? I don't know much abvout
> Onan engines, but it swwms to me that this would be an inexpensive fix
> vs. a replacement engine. Also if these Onan engines are prone to this
> failure, there is probably a fix available for the issue.
>
>
> My 2?
>
> Phil in TX
>
>
> On 7/19/2020 2:27 PM, Andy Glines wrote:
> > My Gravely 816 tractor has an Onan 2 cylinder engine (B43M-GA 016).?
> > One of the exhaust valve seats is loose in the block causing that
> > cylinder to have no compression.? It may be easier to use a different
> > engine than to fix this one.? There are other engines available in the
> > local ads.? Or course they are different model numbers even though
> > they look the same as mine. Is there a good resource for me to
> > determine the difference between them?
>
>
> Thank for the answer Phil, the trick fixes like staking the seat into 
> the block have already been tried and failed.  There are oversized 
> seats available but I would have to tear the engine down to have the 
> block machined for the new seat.  I may be able to switch engines 
> easier and cheaper.  I wish I knew and easy way to machine the block 
> for a new seat without a complete tear down.
>
>
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