(For Vande Bharat) Maintenance Schedule Ss Ii (36 Month) Of Automatic Ic Door Make-Prag Polymers In One Bu (8 Doors) Of Vb Train Set Rake At Zonal Railways For 2 Year S. Work Shall Include: 1. Maintenance Activities To Be Performed, 2. Replacement Of Must Change Items Listed Below I. Thk Synthetic Grease 70G Afa-(Part No 211100009) Ii. Silent Bl Ock (Part No 211100015) Iii. Nut With Carrier (Part No 211100011) Iv. Any Other Must Chang E Item Required And 3.Replacement Of Condition Based Items On Need Basis. [ Warranty Period: 30 Months After The Date Of Delivery ] ]