SET / SEALS / RETENE OUT PART STEM

This phrase appears to be a technical instruction or description related to a specific part or assembly.

• SET: This likely refers to a process of adjusting, positioning, or configuring something.
• SEALS: This suggests the presence of seals or gaskets, possibly for sealing or preventing leakage.
• RETENE OUT PART STEM: This part is more ambiguous. It could mean "retain an outer part stem" or "restrain a stem on the outside."

Without further context, it's difficult to determine the precise meaning of this phrase. More information about the surrounding text or the specific application would be helpful for a clearer understanding.