TM   9-2520-272-34&P 2-6.   PRESSURE   CHECKING   PROCEDURES   (Continued) PRESSURE   TEST 1   Locate   desired   pressure   tap. 2   Remove   plug.   Screw   gage 3   Start   engine.   Select connector   into   port. range   and   conditions (see   chart).   Record readings. TA4485314 Plug Port Size Name (inch) TV 7/16  hex L U 9/16   hex G1 7/16   ex Plug   torque   values Pluq   size lb-in. N^om 7/16 50-60 6-7 9/1 6 96-100 11-14 Minimum    Pressure Shift Port Lever Engine  Speed psi kPa TV N 2500 91-97 627-669 L U 1-4* 2500 140-160 965-1103 GI 1-4* 2000 72-84 496-579 *vehicle   operating   on   level,   flat   terrain. 4.   After   checking   pressure   identified   in   troubleshooting   step,   use   test results   in   the   next   block   of   instruction   in   the   troubleshooting   malfunction sequence. 2-18 Para.   2-6