TM 10-3930-660-34 9-5.  REAR DIFFERENTIAL CARRIER ASSEMBLY - REPLACE/REPAIR/ADJUST (Cont’d) a. Inspect ring gear (18) for wear or damage.  If ring gear (18) needs replacement,  center punch twelve rivets (28) on side of ring gear (18). b. Drill twelve rivets (28) on ring gear (18) to a depth equal to thickness of one rivet head.  Use a drill bit 1/32 of an inch smaller than rivet body diameter. c. Press or drive twelve rivets (28) from drilled side through holes in ring gear (18) and flange case half (22).  Discard rivets (28). d. Support assembly under ring gear (18) with blocks and use a press to remove case half (22) through ring gear (18). 4. REMOVE BEVEL PINION (29) AND BEARING CAGE (30) FROM DIFFERENTIAL CARRIER (2). a. Place differential carrier (2) on bench and clamp carrier securely. b. Fasten a fabricated yoke nut tool (App.  B,  Fig. C-7) to companion yoke.  Hold fabricated yoke nut tool (A) to remove bevel pinion nut (31) and washer (32). c. Remove companion yoke (9) with deflector (35). Use a puller if necessary. d. Remove eight capscrews (33). 9-12