Dash Heat for early 90's coach

[ronmarabito2002]

How did you remedy the gate valve. There is not sufficient room for
me to pull mine out, but I can remove the guts to the valve. I would
have to pull the water pump to change mine and I really don't want to
do that.

R.E. (Ron) Marabito, Dallas, TX 92WB40

--- In WanderlodgeForum@yahoogroups.com, "Don Bradner"
wrote:
>
> Unfortunately the Blue Box is gone - Jerry Owen says it was there
when he traded in at Holland/San Diego and the next owner says he
didn't get it from Holland (didn't know to ask for it). Only the
binder and whatever receipts were in it (all after Rich's ownership)
survived.
>
> That valve is a Bosch item. picture here:
http://www.arcatapet.net/travel/images/9...g_0662.jpg
>
> I removed it and tested when I was having heater issues, but it was
not the problem; a dropped gate valve in the back was.
>
> Rich, two other 90 PT40s at the RATS rally did not have the Sporlan
valve in the heater plumbing at the back, while Blue Thunder does. Is
that something you did?
>
> On 11/13/2008 at 8:12 PM g_man1146 wrote:
>
> >Ron,
> >
> >When I had our '90 PT40 there was an additional valve under the curb
> >side front bumper. This was controlled by the slider control to the
> >right of the drivers knee. It was a Mercedes Benz part and I had to
> >change mine out. I beleive there was a schematic in the blue box - Don
> >Bradner (Blue Thunder) may still have it.
> >
> >Rich D. '99LXi43' CT
> >
> >
> >--- In WanderlodgeForum@yahoogroups.com, "ronmarabito2002"
> > wrote:
> >>
> >> Hi everyone: Does anyone have a schematic of the dash heat plumbing
> >> for an early 90's coach. Mine has only 2 manual valves at the
engine.
> >>
> >> R.e. (Ron) Marabito, Dallas, TX 92WB40
>