Vertical roller mill routine maintenance note - SlideShareFeb 25, 2014 . We will three aspects vertical roller mill maintenance. 1. vertical roller mill bearing maintenance Bearing parts of the crusher is the most likely broken , worn in the use of relatively large so they need regular maintenance , frequent refueling to increase bearing life. 2. vertical roller mill maintenance routine.maintenance aspect of vertical mill 2,Cement Raw Vertical Mill Area Maintenance - INFINITY FOR .1.8.1 Recommendation: 1.8.2 Action has been taken: 1.9 Rollers grinding parts. 1.9.1 Recommendation: 1.9.2 Action has been taken: 1.10 R.M Reject cone; 1.11 Raw mill scraper; 1.12 Hot gas nozzles; 1.13 Vertical Raw mill armor ring; 1.14 Cement Raw mill Spring rod; 1.15 Cement Raw mill rocker arm of.