Where is the orifice tube located on the A/C system? on 1993 Ford Explorer

Replaced compressor and added freon but still doesn't blow cold. Was advised when purchased compressor that the orifice tube needed to be installed for warranty. It looks like it may be a filter of some kind.

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1 answer 1 comment
RIGHT IN LINE AT CONNECTION TO BIG SILVER COLD BEER LOOKING THING AKA ACCUMALATOR.YER WELCOME.
Thank you, thank you