TM 9-2520-246-34 Figure 3-28. Removal of Mainshaft Assembly. 3-9. a. Disassembly of Subassemblies. CAUTION Use extreme care not to lose roller bearings from the mainshaft end of the input shaft. Input Shaft Assembly. Using a pair of pliers, remove the input shaft ball bearing retainer snapring. (See fig. 3-33.) Place the input shaft between two parallel blocks, spline upward. Using an arbor press, push the input shaft ball bearing from the shaft. Figure 3-29. Removal of Idler Gearshaft and Idler Gear Assembly. NOTE When installing the input shaft roller bearings, keystone construction of assembly requires endwise insertion of last roller. Also, coat the input shaft and ball bearing bore with white lead pigment, Fed Spec TT-W-261C, before pressing the ball bearing assembly back on the shaft. Figure 3-30. Removal of Countershaft Rear Bearing. Figure 3-31. Removal of Countershaft Assembly. Figure 3-32. Removal of Countershaft Front Bearing. 3-15