TM 9--2815--247--34 0084 00--5 STARTER DRIVE MECHANISM REPAIR -- CONTINUED 0084 00 Inspection 1.   Measure inside diameter of bearing bore (23) in bearing housing (17). Replace bearing housing if not within the following limits. 2.   Measure inside diameter of seal bore (24) in bearing housing (17). Replace bearing housing if not within the fol- lowing limits. 3.   Measure tooth width (25) of spur gear (6). Replace spur gear if not within the following limits. REF NO. POINT OF MEASUREMENT SIZES AND FITS OF NEW PARTS inches (mm) WEAR LIMITS 23 Inside diameter of bearing bore in bearing housing 2.8346 (71.9988) 2.8353 (72.0166) 2.8356 (72.0242) 24 Inside diameter of seal bore in bear- ing housing 2.1240 (53.9496) 2.1260 (54.0004) 2.1270 (54.0258) 25 Tooth width of spur gear 0.8700 (22.0980) 0.8900 (22.6060) none Figure 29 6 17 25 24 23