Adjusting Screw For Apm For Knorr Bremse Design Bmbs. Drawing No . - Kbi Drg. No. 78216 9, Material And Specification - As Per Bogie Mounted Brake System For Freight Cars; Description And Mainte Nance Manual Of Knorr Bremse, Issue: 092014 Revision: 02 En ; Rdso,S Spec No. Wd-23-Bmbs-2008 (Rev 1) Amendment No.1 Of Sept 2016. [ Warranty Period: 30 Months After The Date Of Delivery ] ]