[AT] 430 update

[Steve W.]

Spencer Yost wrote:
> I got the second cutting of hay in this week, and was a little
> disappointed that I couldn't put the hay rake on the 430. The number
> one cylinder is still soaking in the shop and nothing in the way of
> progress has occurred.  Not a drop has soaked past the rust barrier.
> 
> 
> To break the impasse(literally and figuratively) a couple of attempts
> at alternate/improved methods were made prior to hay making. I tried
> to pressurize the cylinder so that air pressure can help drive the
> penetrant down per Cecil's recommendation.  But the exhaust valve
> will not seat well enough to hold air pressure.   Anything over 10
> pounds/in and so much air is moving through the cylinder the air is
> actually blowing the penetrant off the  top of the piston and blowing
> it out the exhaust manifold.  I guess that rust/rust flakes from the
> manifold are preventing the valve from seating. Exercising the
> exhaust valve up-and-down didn't seem to create an improvement in the
> situation.  Seems to hold 5 to 7 pounds OK without excessive air
> loss. So I tried that for a while but all it did was make my
> compressor run too much.
> 
> I did try more force on a jacked up rear wheel. But the concrete
> floor in my shop is so smooth that past a certain point all it does
> is rotate the other wheel - even if it is chocked(the wheel rides up,
> or skids against, the two different chocks I tried.
> 
> Next step is to rearrange the shop so that I can suspend the rear of
> the tractor by the rear wheels with a engine hoist.  I hope the
> engine hoist is up to the job. The cylinder on the hoist was replaced
> 6 to 8 years ago but if I remember right it's still leaks down ever
> so slowly. I'm pretty sure the tractor will be on the ground by the
> next morning.  Raising it back up is  something I will have to do
> twice a day I am sure.
> 
> Been soaking for three months(two at the seller and one here) and no
> progress can be discerned. I'll put a few more months into it but
> eventually I'm just gonna have to tear this thing down if it doesn't
> free up on its own.
> 
> Spencer Yost
> 
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There is another option. Lift the rear up, attach a couple 4X4 or 
heavier beams to the rear tires so they are applying force like a 
breaker bar, then let the ends of the beams down on blocks. No need to 
play with the jack that way.

-- 
Steve W.