TM 9-2520-246-34-1 FRAME 2 1. Check all bearing cones (1) and bearing cups (2). Refer to inspection, care and maintenance of antifriction bearings, TM 9-214. 2. Check that shafts (3) are not chipped or cracked. 3. Check that shaft splines (4) are not chipped, cracked, twisted or burred. END OF TASK 2-168