API St 6AR pdf download Repair and Remanufacture of Wellhead and Tree Equipment 8.2Repair of Assembled Equipment Repair of equipment shall not include remanufacturing (machining,welding,or heat treating) of pressure-containing parts and pressure-controlling parts. Repair of equipment shall require the following: a) Disassembly and cleaning shall conform to the repairer’slremanufacturers documented requirements. Control procedures shall be included to segregate or identfy...