TM 9-2520-246-34-1 g. Countershaft Rear Bearing and Cover. FRAME 1 1. Push 2. Push NOTE If synchronizer (1) and first and reverse gear (2) will not mesh, turn input shaft (3) while meshing synchronizer or gear. second and third speed synchronizer (1) to the front to mesh. first and reverse gear (2) all the way to rear to mesh. GO TO FRAME 2 2-98