Re: IML: 1960 Imperial - and this applies to all AC cars with 2 belts

[Kenyon Wills <imperialist1960@xxxxxxxxx>]

There is a small wire that comes out from under the
pulley.  That connects to a magnet that is hidden
inside/under the pulley.  When you put 12v to the
magnet, it sucks the clutch shut magnetically and the
clutch plate is then forced into the pulley, getting
dragged along with the pulley.

If you watch your engine run with the AC off, you'll
notice that the center outside of the AC pump pulley
is stationary.  Push the AC button and the center disc
on the outside of the pulley will start to spin at the
same rate as the pulley, thereby driving the
crankshaft of the compressor, which is a miniature
"engine" with pistons and so forth.

The AC compressor has an oil pan on the bottom.  If
you have not done so, you should check the oil level
before using an unknown AC compressor.  I hit mine
without checking it first on the Bay Bridge and the
compressor seized due to low or no oil.  This seized
the pulley too!!!!!  I fried the belts and had other
motorists passing me and waving their hands in front
of their noses complaining to me about the stink of
the burning belts.  

If you do not connect the (light blue?) wire at the AC
compressor, it is not possible for the compressor to
be turned on.

One other thing on belts:  Ask for a MATCHED PAIR that
were both cut from the same casing.  This is important
to Chryslers with dual belt systems.  Nothing
sloppier-looking than one tight belt and one
sorta-tight belt due to a few millimeteres difference
in diameter.  I like to line up the labels so that
both are in the same spot as they make their circuit,
but that's just me being particular - nobody else
would ever notice.  Matched belts will have printed
labels that line up as they were sliced after being
printed.

Good luck!

-K

--- James Brown <jimmb1960@xxxxxxxxx> wrote:

> Thank you, Kenyon.
>  
> I have the original A/C compressor. I wanted to put
> it back eventually 
> but was under the assumption that it had to be
> connected as well.
> 
> 
> Kenyon Wills <imperialist1960@xxxxxxxxx> wrote:
> Why not put an AC compressor back on? IT's the
> correct thing to do unless your car never had AC. I
> leave mine disconnected. Someday I'll get around to
> charging up my cars and fiddling around with it.
> 
> By the way, I had an AC pulley bearing on the 1970
> start making an awful racket the other day. I was
> able to swap out the bearing from another defunct,
> used unit with no problem, and the car is
> significantly quieter now.
> 
> -Kenyon
> 
> --- James Brown wrote:
> 
> > Greetings and salutations -
> > 
> > I am having a problem with one of the belts
> > rubbing against the neck of the radiator fan.
> > 
> > I suspect this is because the factory installed
> A/C
> > compressor
> > is no longer on the engine, causing a slight shift
> > of the belts.
> > 
> > This situation manifested itself Monday morning on
> > my way to work.
> > Fortunately for me, it all came to a head in the
> > parking lot at work
> > and not on the highway. The broken belt was
> > practically brand new.
> > 
> > The local mechanic, who restores Studebakers, is
> no
> > stranger to
> > other older cars. He showed me evidence of a
> > previous fix where
> > somebody thought they had aligned the pulleys.
> > Problem was
> > "they" aligned one pulley too far to he left,
> > causing the belt to
> > slightly bind. The rest is AAA history.
> > 
> > SO - it looks like the belts, pulleys, etc. need a
> > complete
> > examination. I don' want to and don't need to rush
> > into this
> > situation and would appreciate any info./advice
> from
> > you folks.
> > 
> > Just want to fix once and fix it right.
> > 
> > As always, thank you for you interest and words.
> > 
> > Jim Brown
> > '60 Crown Southampton - 4 dr. Alaskan White
> > 
> > 
> > 
> > 
> > 
> > 
> > 
> > ---------------------------------
> > Yahoo! for Good
> > Click here to donate to the Hurricane Katrina
> > relief effort. 
> 
> 
> Kenyon Wills
> 
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