19. To line up the shafts with the main drive gear and countershaft bearing, install the door into the transmission case with the gasket in place using the 5/16 socket head cap screws. With the transmission in gear, and making sure the countershaft bearing retainer plate is removed, tighten the supplied nut to 45-55 lb-ft using red thread locker. Repeat the procedure on the mainshaft. Install the countershaft retaining plate and torque the �-20x5/8 button head screws to 110 lb-in using red thread locker.