TM 9-2520-246-34 Figure 4-40. Positioning of Sprag (4) Remove the two inner race snaprings and place the front output shaft assembly in an arbor press with the drive gear resting on two parallel blocks. (See fig. 4-39.) Press the gear from the shaft. Removal of the drive gear in this manner will also remove the inner race. Remove the woodruff key from the shaft. e. rear and this Disassembly and Assembly of Sprag Units. NOTE When looking toward the front end of the front output shaft, the front sprag peaks will be pointing to the left and the rear sprag peaks will be pointing to the right. (See fig. 4-40.) (1) Remove the sprag units from the front and outer races; remove the two energizing springs, inspect the sprags as directed in section VIII of chapter. (2) When all 84 sprags are removed. lay both outer races flat with the open end up. Place one energizing spring in the bottom of each outer race. Each sprag is designed to fit the contour of the energizing spring; this slight groove must face toward the outside of the outer races. Peaks For Front Sprag and Rear Sprag. NOTE Some space will be necessary for the action of the sprags. and does not indicate that any sprags are missing. Place the sprag units on the front output shaft in the exact order they were removed in disassembly. (3) When assembling, a slender stylus will be needed for the last few sprags to push the energizing spring into the notch in the end of the sprags. With all the sprags in place, insert the outer energizing spring in the exposed end of the sprags. With the spring in position, start at one side and slide fingers along the spring, pushing it into the sprag notches until fingers meet at the opposite side. Run fingertips along all sprags once or twice to make sure all are in position with none cocked or twisted. f. Transfer Case Cover. NOTE When installing input shaft front bearing, apply pressure on the inner race of the bearing only. Also replace shift shaft oil seal. (1) Press the input shaft front bearing and snapring (fig. 4-41) from the front cover, using a suitable remover and replacer. 4-27
