Information

PSi uses a lubricating oil “ISOFLEX PDP 61A”

The manufacturer is:
Fa. Klüber Lubrication
Geisenhausener Straße 7
81379 München
Tel.:0049 89 78760
www.klueber.de

Alternatively, you can also use a good typewriters oil.

Schmiermittel Datenblatt