TM10-3930-660-34 8-5. FRONT DIFFERENTIAL CARRIER ASSMEBLY - REPLACE/REPAIR/ADJUST (Cont’d) c.   Rotate differential assembly and ring gear (22) and read dial indicator.  If runout of ring gear (22) exceeds 0.008 inches, remove differential assembly and ring gear (22),  DISASSEMBLY STEP 1,  and inspect differential assembly for problem.  Replace defective parts and reinstall differential assembly and ring gear (22) into differential carrier (2),  ASSEMBLY STEP 8. Repeat preload adjustment of differential bearings,  STEP 1. 3. ADJUST BACKLASH OF RING GEAR (22). a.   Attach a dial indicator to the mounting flange on differential carrier (2). b.   Adjust dial indicator so that plunger is against the tooth surface on ring gear (22). c.   Adjust dial of indicator to zero. d.   Hold bevel pinion in position. e.   Read dial indicator while rotating ring gear (22) a small amount in both directions. f. Adjust backlash of old gear set to setting measured before carrier was disassembled (0.008 inch to 0.018 inch). g.   If new gear set is installed, adjust backlash to 0.012 inch. NOTE When adjusting backlash,  adjust only the ring gear (22); do not adjust the bevel pinion (12). 8-28