If oil is observed after the installation, it means that it was applied to make the pipe joint smooth when
connecting them.
It might have leaked out meanwhile.
If the cold wind comes out ok, then rest assured when you use it.
Try this
During the uninstallation process, gas lubricants might have leaked from the pipe joint or oil is used to
make the pipe soft when connecting it.
If the cold wind comes out ok, then first, wipe off oil and see if it continues to flow.
If oil continues to leak, then you need to inspect the pipe joints where problem might exist.
This guide was created for all models, so the images or content may be different from your product.
