b'MULTI-WAY BALL VALVES - BV509/509A, BV2057, BVL50~L54, SL8142-FZ SERIES5.3 REASSEMBLYRepolish or replace the ball and stem required. Replace all soft parts, refer Table A and Appendix A to E. Ensure the ball orientation is as required and matches the markings on the stem or gearbox shown in 3.2. Re-assemble in the reverse order of 5.1, 5.2. Refer 4.2.1 and Appendix A for body bolts (where applicable) and stem nut re-tightening.6 . 0 R E P A I R K I T SRepair kits are available from APV. Table A shows what the kits consist of. When ordering a repair kit, please be sure to specify type and size of the valve.When repairing a valve, use only APV authorised spare parts including bolts and nuts. If additional items are required, (body and ends) it is normally recommended to replace the complete valve. Components from different valve series should never be used with the repair of any other valve. If the valve is altered in any way, no liability can be accepted by APV.TABLE AGENERAL REPAIR KITPart QuantityThrust Washer 1Stem Seals 3Bushing 1Seats 4Body Seals 4O-Ring 1Flowturn - Installation, Operation and Maintenance Manual 17'