TM 10-3930-659-34 5-16. REAR AXLE FRONT OSCILLATING SUPPORT YOKE, INPUT QUILL, AND PINION SHAFT MAINTENANCE (Con’t). 3. Using   dial   indicator,   check   backlash   between ring gear (32) and bevel pinion (31). Ring gear to bevel  pinion  backlash  must  be  0.007-0.015  in. (0.178-0.381 mm). If backlash is within specification, go to step 5. NOTE • Moving shims from left to right (as viewed from pinion shaft) increases backlash. •·Moving shims from right to left (as viewed from pinion shaft) decreases backlash. 4. Move shims from one side of differential to other side to set backlash (see paragraph 5-17). 5. Torque screws (1) to 85 Ib.-ft. (115 N•m). 5-162