cardiagn.com 14. INSTALL TURN PRESSURE TUBE ASSEMBLY (a) Using SST, install the 2 tubes. SST: 09023-38201 Torque: 23 N·m {230 kgf·cm, 17ft·lbf} HINT: Use a torque wrench with a fulcrum length of 300 mm (11.81 in.). This torque valve is effective in case that SST is parallel to a torque wrench.