HYDRAULIC JACK LEVELING

Four hydraulically operated leveling jacks are provided for leveling the rig. It provides a stroke of 560 mm ( TM 55 and TM65), 760 mm ( TM 130 and TM 180). The jack are provided with lock PDCV (pilot double check valve) for safety during operation. The hydraulic circuits is designed to fast leveling, which maintains less stress on mainframe compared to 4 point leveling.