I just received a new Dynabrade pneumatic random orbit sander which I intend to use with an IR 80 gallon 5hp compressor. I am interested about the forum’s collective wisdom on lubrication. I have a number of other air tools, but no air sanders. On my other air tools, I just add oil to the inlet (or oil port, if the tool has one). The Dynabrade manual only discusses the use of an in-line lubricator. I know that air sanders use substantially more oil than, say, an impact wrench (at least the way I use it). Should I get an in-line lubricator, or is it okay to add oil to the inlet?
While I am certainly not using the sander in a production environment, it will get used for at least an hour or more at a time.
P.S. I bought the sander at Phillytools.com. I received excellent customer service, and would highly recommend them if one is interested in Dynabrade tools. I have no affiliation with the company.