MH>TW> One has to pay careful attention to the instructions as it is very easy
MH>TW> to Overcharge the system. And it causes problems, some of which can
MH>TW> damage the compressor.

MH>Yes, overcharging can damage the compressor and also make the system not blo
MH>cold air.

MH>Most of the re-charge kits available come with a gauge on them.  I would hig
MH>recommend using one of the hoses with the gauge so you are not blindly addin
MH>coolant.

In the old days most systems had a sight glass on them. If you saw
bubbles when it was operating the system charge was too low.
You added F-12 until the bubbles disappeared.
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 þ SLMR 2.1a þ Typo Tom Strkes Again