Atlas — Copco Ga7ff Parts Manual

: The manual shows O-rings with standard AS568 dash numbers, but Atlas Copco often specifies a different durometer (hardness) or material (FKM vs. NBR) to withstand high-temperature condensate acidity. Aftermarket equivalents frequently fail within 2000 hours.

Let’s say your GA7FF is leaking oil from the oil stop valve. Here is the workflow: atlas copco ga7ff parts manual

The screw element (often part number for the GA7FF) is the core. In the parts manual, pay attention to Notes: : The manual shows O-rings with standard AS568