[Fot] Type A OD pressure test

[Kas Kastner]

That Vaseline trick works for engines also, I used it for years.

*Never be beaten by equipment.*

On Wed, Mar 7, 2018 at 12:41 PM, Larry Young via Fot <fot at autox.team.net>
wrote:

> It seems like the balls and springs (pump, operating valve) are always a
> problem. I've seen all sorts of suggestions and tried many of them. Lapping
> the ball seat sounds like a good idea. I've always used the smack the ball
> with a hammer trick. I don't know how to test those little springs and I
> don't trust that the ones we buy are correct. Rather than worrying about
> air leakage, a better test is probably to see how long the unit holds
> pressure after you shut it down. I had one that would hold pressure for
> days, but most will only hold pressure for a number of minutes to perhaps
> an hour.
>
> One problem I have frequently had is that the unit will not pressure up
> after I put oil in it.  I've always thought it was because of all the air
> in the lines. I developed an assembly method to make sure I got oil pumped
> at each step. You could also use it as a troubleshooting method. You might
> check it out starting at Step 15 in http://vintagetriumphregister.
> org/maintain/TransRebuild/OverDriveA02.pdf. Another trick I've heard is
> to put Vaseline jelly in the pump to help it get started.
>  - Larry
>
>
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