Miscellaneous Renewing the reductant filter Designation Illustration Hexagon socket, 1/2” drive, 46 mm 118 268 1. Remove the cover on the rear of the reduct- ant tank. 316 163 326 565 2. Place a suitable container underneath. 3. Unscrew the filter cover. Use the socket. 4. Remove the filter cover and O-ring. OPM 300 en-GB 68 © Scania CV AB 2015, Sweden