[AT] OT- Briggs and Stratton valve clearance, IT RUNS

Bo Hinch bohinch at gmail.com
Sun Jun 26 05:57:25 PDT 2016


Sounds like the automatic compression release was / is working properly .

On Sun, Jun 26, 2016 at 5:30 AM, Stephen Offiler <soffiler at gmail.com> wrote:

> Congrat's!  Thanks for the follow-up.  Hope it keeps running as long as you
> need it.
>
> SO
>
> On Sun, Jun 26, 2016 at 12:01 AM, <k7jdj at aol.com> wrote:
>
> > Thank you again for all the comments and advise.
> >
> > IT RUNS!!
> >
> > I didn't think it would run.  After a closer look at the intake valve
> > issue I believe that when the engine was in basic runaway mode some
> damage
> > occurred either with the cam follower or the camshaft.  What I observed
> > when turning the engine over and watching the intake valve was that the
> > valve continued to remain slightly open until about 3/4 of the way to top
> > dead center.  I had already removed a fair amount  of stem to obtain the
> > 5-7 thousands clearance.  I went ahead and ground some more off the valve
> > (about .010 clearance) to try and get it to close sooner.  I wasn't able
> to
> > get much improvement but put it back together.  It still would not show
> any
> > compression.  After all was together gave it a shot of starting fluid and
> > it took off.
> >
> > I believe some galling occurred on the cam or follower and that has
> > changed the lift/valve clearance.  I didn't want to open the case to
> > investigate as I needed to get it running.  If it hadn't worked I was
> going
> > to get a Harbor Freight cheap replacement.
> >
> > I have run the compactor about an hour and it seems as good as it was
> > before it failed.  At some point if what ever is wrong with the
> > cam/follower wears off, it will have way to much intake valve clearance
> and
> > will need to be replaced.
> >
> > Gary
> > Renton, WA
> > _______________________________________________
> > AT mailing list
> > http://www.antique-tractor.com/mailman/listinfo/at
> >
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