Gehmann turbo pump
Posted: Thu Jun 03, 2021 4:17 am
Hi to all,
I am new with Gehmann pump.
Should I put a little silicone oil on the pump piston? Seems like rather dry. Is this how it should be?
I am new with Gehmann pump.
Should I put a little silicone oil on the pump piston? Seems like rather dry. Is this how it should be?