What is this thing?

[Ryan Wright]

Huge thank you to everyone for your responses on this. I am going to
tighten this down this weekend and see if that solves it; if not, at
least now I know how to find a new one to replace it. Appreciate your
help!!

-Ryan
'86 PT-40 8V92

On Mon, Mar 3, 2008 at 10:00 AM, msksann <msksan@...> wrote:
>
> Just to correct my previous post, I have found 2 Pressure Protection
> Valves, (I do not have the bulk oil fill), and they are used in the
> Ridewell air spring suspension system, not the air brake system. I am
> unsure if they regulate the air pressure, or protect it from air loss,
> or perhaps either or both, depending on how the ports are connected(?)
> The specs say that the valve opens at 65psi, and closes at 45psi.
> I started another thread under 'Pressure Protection Valves', to share
> my expirence with the forum, and perhaps clear this up.
> I do believe the diaphragm material is hardening and failing...