Another compressor problem

[bubblerboy64]

Well, I went out and started the bus and wouldn't you know it the
compressor immediately kicked on and functioned as it should. It
cycled up to 125psi on the gauge and shut off and every thing seems
fine. But we know that is not the case. Idea's thoughts anything on
this with this little bit more information.
John Heckman
central Pa
1973 FC
>
> I haven't had a chance to look into this today as yet. I appeciate
> the help to this point. My question is what regulates the
> compressor? The pulley is spinning all the time but I can tell by
the
> sound that it cycles on an off as far as a load.The compressor
> mounting rattles rather noisily when it is changing the tanks.
Does
> something close and open to fill the tanks? I have this idea again
> perhaps I am wrong that this is electrical? Or as Gregory said
there
> is a valve sticking. Now where are the valves? In the top of the
> compressor. Remember this thing is bits and pieces of parts so
that
> makes it even more interesting. I had this occur before one time
and
> my shore batteries were down. I got the batteries charged up and
the
> compressor kicked in. Could be just lucky or a coincidence? Seems
> like a leak would leak all the time rather then come and go. I
plan
> on fooling around here today with it so I will be back and forth. I
> guess the first thing I will do is just start the bus and try
again.
> I need to figure this out because at some point its going to stay
> broke. Likely at the worst possible time. So I need to understand
> the system a little better.
> John Heckman
> central Pa
> 1973 FC
>
>
>
>
> >
> > John, if the belt is tight and the compressor is spinning check
the
> > key in the pully shaft???? you can also check to see if the
> > compressor head gets hot???
> >
> > If it is a leak it must be big. you can not hear it because it
> wont
> > build enough pressure to hiss and while the cat is running there
is
> > too much noise to hear a big leak hiss. I would hook the aux air
up
> > to a remote shop compressor and look for a leak that way. build
a
> > male to mail fitting for a remote compressor line's female end
and
> > try and build up the tanks in the bus that way?????? I have had
> > valves hang up that just needed a jolt of reverse air to get thm
> > free.
> >
> > It could also be that there is a blockage in the compressor
output
> > line to the first tank
> >
> > GregoryO'Connor
> > 94ptRomolandCa
> >
> >
> >
> >
> >
> >
> > --- In WanderlodgeForum@yahoogroups.com, "bubblerboy64"
> > wrote:
> > >
> > > Upon trying to take the son-in-law for a turn in the bus I
found
> > that
> > > the compressor would not bring the air up to release the
brakes.
> > > Checked and the belt is Ok and the compressors seems to be
> turning
> > Ok.
> > > Is there a solenoid or a switch which activates and deactivates
> > the
> > > compressor. I get about 30lbs on the air gauge but no more.
The
> > only
> > > other clue is that when the compressor is running normally it
> > makes
> > > enough noise that I can hear it and it is not doing that.
Don't
> > know
> > > beans about what I am dealing with but any help or suggestions
as
> > to
> > > what to look at or for would certainly be appreciated.
> > >
> > > John Heckman
> > > central Pa
> > > 1973 FC converted to 3208 CAT
> > >
> >
>