Air leak / backfeed the system to find

[smquandt]

Finally got my '93 PT-40 home, we had to widen the drive a little,
well OK LOTS, to do so. Now comes some work. There is an air leak
someplace that I need to find. I really do not want to run the
engine to re-pressure the system. I have a large compressor in my
shop with a 60 gallon tank and max pressure of 140 PSI. If I set
the outflow pressure on the compressor to 100# and hook a line up to
the air connection in the bay is there any reason that I cannot back
feed the system? I would keep the outflow valve on the compressor
at less than 1/2 open to reduce the volume.

I see emergency vehicles that are hooked up to back feed in most
fire stations.

Thanks in advance for help for the new owner, many nore questions to
follow.

Steve Quandt
Spread Eagle WI / Iron Mountain MI
1993 PT-40

[Curt Sprenger]

Steve,

First, check in the engine compartment for a schrader valve (tire fill
valve). Our 1987 PT has one there, just above the frame on the passenger
side and just inside of the rear engine lid. Hook up the shop air to
that valve. I'm assuming your Bird has that valve. I have used that
valve many times when working on air leaks.

I'm not sure about hooking up shop air to the air connection in the bay
that you mention. I believe there are check valves in the lines. Someone
will chime in that understands using that connection as you describe.

Good luck!

Curt Sprenger 1987 PT38, Anaheim Hills, Calif.



smquandt wrote:

> Finally got my '93 PT-40 home, we had to widen the drive a little,
> well OK LOTS, to do so. Now comes some work. There is an air leak
> someplace that I need to find. I really do not want to run the
> engine to re-pressure the system. I have a large compressor in my
> shop with a 60 gallon tank and max pressure of 140 PSI. If I set
> the outflow pressure on the compressor to 100# and hook a line up to
> the air connection in the bay is there any reason that I cannot back
> feed the system? I would keep the outflow valve on the compressor
> at less than 1/2 open to reduce the volume.
>
> I see emergency vehicles that are hooked up to back feed in most
> fire stations.
>
> Thanks in advance for help for the new owner, many nore questions to
> follow.
>
> Steve Quandt
> Spread Eagle WI / Iron Mountain MI
> 1993 PT-40
>
>
>
>

[Rob Robinson]

Steve I may be wrong but isn't your emergency air chuck in the engine
compartment. I have one there in my 94. I also have the auxilliary air chuck
in the bay.

On 25/05/06, smquandt wrote:
>
> Finally got my '93 PT-40 home, we had to widen the drive a little,
> well OK LOTS, to do so. Now comes some work. There is an air leak
> someplace that I need to find. I really do not want to run the
> engine to re-pressure the system. I have a large compressor in my
> shop with a 60 gallon tank and max pressure of 140 PSI. If I set
> the outflow pressure on the compressor to 100# and hook a line up to
> the air connection in the bay is there any reason that I cannot back
> feed the system? I would keep the outflow valve on the compressor
> at less than 1/2 open to reduce the volume.
>
> I see emergency vehicles that are hooked up to back feed in most
> fire stations.
>
> Thanks in advance for help for the new owner, many nore questions to
> follow.
>
> Steve Quandt
> Spread Eagle WI / Iron Mountain MI
> 1993 PT-40
>
>
>
>
>
>
>
>
>
> Yahoo! Groups Links
>
>
>
>
>
>
>


--
Rob, Sue & Merlin Robinson
94 WLWB


[Non-text portions of this message have been removed]

[smquandt]

Don't know as I am brand new to this! Did not see one there, but
will check tomorrow.

Steve Quandt
Spread Eagle WI / Iron Mountain MI
1993 PT-40

Thanks

--- In WanderlodgeForum@yahoogroups.com, "Rob Robinson"
wrote:
>
> Steve I may be wrong but isn't your emergency air chuck in the
engine
> compartment. I have one there in my 94. I also have the auxilliary
air chuck
> in the bay.
>
> On 25/05/06, smquandt wrote:
> >
> > Finally got my '93 PT-40 home, we had to widen the drive a
little,
> > well OK LOTS, to do so. Now comes some work. There is an air
leak
> > someplace that I need to find. I really do not want to run the
> > engine to re-pressure the system. I have a large compressor in
my
> > shop with a 60 gallon tank and max pressure of 140 PSI. If I set
> > the outflow pressure on the compressor to 100# and hook a line
up to
> > the air connection in the bay is there any reason that I cannot
back
> > feed the system? I would keep the outflow valve on the
compressor
> > at less than 1/2 open to reduce the volume.
> >
> > I see emergency vehicles that are hooked up to back feed in most
> > fire stations.
> >
> > Thanks in advance for help for the new owner, many nore
questions to
> > follow.
> >
> > Steve Quandt
> > Spread Eagle WI / Iron Mountain MI
> > 1993 PT-40
> >
> >
> >
> >
> >
> >
> >
> >
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
> >
> >
> >
>
>
> --
> Rob, Sue & Merlin Robinson
> 94 WLWB
>
>
> [Non-text portions of this message have been removed]
>

[Bob & Carol Howald`]

> >

































































Steve: curt's correct, your schrader valve is in the engine
compartment passenger side. Put all the air to it you want. If you
apply air into the connection in the bay, you have check valve's to
contend with and the air won't be going thru the drier before it goes
in to the system. (very important). Fill it up and see if you can
hear where it 's coming out. Good luck....Bob 93pt40.Jackson,Wyo.
soon to be back in illinois.


















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