Posted 7/23/2015 17:54 (#4695733 - in reply to #4695724) Subject: RE: r model mack clutch adjustment? how?
Between Omaha and Des Moines, 7 miles South of I80
Take a look at that Ebay link, I posted and there is a second photo, to click on, and view = see that White plastic (like a white plastic rivet, that a4t1600 mentioned) button = maybe it is broken on your current one.