TM 9--2815--247--34 0096 00--10 MECHANICAL DRIVE HOUSING AND ASSOCIATED PARTS (FAN TOWER, DAMPER END) REPAIR -- CONTINUED 0096 00 Inspection -- Continued 5.   Measure inside diameter (50) of ball bearing (40). Replace ball bearing if not within the following limits. 6.   Measure outside diameter (51) of ball bearing (40). Replace ball bearing if not within the following limits. 7.   Measure inside diameter (52) of sleeve spacer (41). Replace sleeve spacer if not within the following limits. 8.   Measure inside diameter (53) of ball bearing (42). Replace ball bearing if not within the following limits. 9.   Measure outside diameter (54) of ball bearing (42). Replace ball bearing if not within the following limits. REF NO. POINT OF MEASUREMENT SIZES AND FITS OF NEW PART inches (mm) WEAR LIMITS 50 Inside diameter of ball bearing 1.5743 (39.9872) 1.5748 (39.9999) none 51 Outside diameter of ball bearing 2.6767 (67.9881) 2.6772 (68.0008) none 52 Inside diameter of sleeve spacer 1.5800 (40.1320) 1.5850 (40.2590) 1.5950 (40.5130) 53 Inside diameter of ball bearing 1.5743 (39.9872) 1.5748 (39.9999) none 54 Outside diameter of ball bearing 3.1491 (79.9871) 3.1496 (79.9998) none Figure 54 50 51 52 53 54 41 42 40