Slack Adjuster Assembly (Upper) To Rdso Drg. No.-Skvl-189 Alt.-1 & Rdso Drg. No.-Sk Vl-190 Alt-1 With Bushes Alone To Material Mn Steel To Irs-R65/78. I. Item No.03 Of Rdso Drg No.-Skv L- 189 Alt-1 Is Required As Per Clw Drg No.06/4/19/147 Alt.-1. Ii. Two Nos. Of Roll Pins To Ref. No.09 Of Drg. No. Skvl-189 To Be Fixed By Drilling On The Block At Both Sides Of The Adjusting Bolt Tail End To Cre Ate Efficient Locking Mechanism. [ Warranty Period: 30 Months After The Date Of Delivery ] ]