Yong Heng Piston Replacement

[MikeAllen]

I'm about to replace the piston assembly on my YH compressor. Does the high pressure piston need lubrication? If so what kind is recommended?

 

[Firewalker]

I'm about to replace the piston assembly on my YH compressor. Does the high pressure piston need lubrication? If so what kind is recommended?

Nothing, the three rings provide the lube.

 

[MikeAllen]

Nothing, the three rings provide the lube.View attachment 371463

Thanks!