Thanks. I think I will try to remove it and recharge.

Here is the other picture.

Here are some shots of the brass fitting that I was referring to. It is located on the discharge of the drier and just upstream of the TXV/evaporator. It had a little plunger in it and may have other parts that I lost taking it apart. I let it drop to the ground as I was fiddling with the hoses. I g...

So I had to remove the condenser to remove the radiator from out of a 1994 Ford chasis Motorhome. The shame was that the A/C system was working fine. I found a new drier and installed it. The only issue was the original drier had a brass valve on the discharge side that I did not understand its purp...