RE: Spider air conditioning.

["Jeff Greenfield" <alfaguy@xxxxxxxxxx>]

You charge an A/C system through the low side fitting (always). This would
be the 'S' (Suction) fitting on the compressor. The low side hose is the one
that runs from the compressor to the inside of the car. You want to charge
the system with the engine running and A/C on so it will suck the
refrigerant into the system. Turn the can of refrigerant upside down as
well.

With the engine running and A/C on, you should see little or no bubbles in
the sight glass. Bubbles when the compressor first cycles on is normal,
after things have stabilized, some small/occasional bubbles are ok and won't
hurt the performance of the A/C system.

Whatever you do, do not charge past the point where the bubbles in the sight
glass go away. There is no advantage, this could hurt the performance of the
system, and possibly lead to pressures being too high which could cause
something to fail.

HTH,

Jeff



-----Original Message-----
From: owner-alfa@domain.elided [mailto:owner-alfa@domain.elided] On Behalf Of
Anthony
Sent: Wednesday, June 11, 2003 6:14 PM
To: alfa-digest@domain.elided
Subject: Spider air conditioning.

Hi all,



Can the air conditioning of an 87 spider be charged from the connector
marked 'S' on the compressor with freon in gas form (low pressure circuit),
or from the connector on the filter/dryer with freon in liquid form (high
pressure circuit)? I have one last can of R12. Also what should I see from
the sight glass when fully charged?



I don't know if the above maked sense, but reading the shop manual leads me
to arrive at this conclusion.



Thanks



TonyG 87 Spider Graduate

Pequannock, NJ
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