TM 9--2815--247--34 0054 00--7 FAN DRIVE CLUTCH ASSEMBLY AND ASSOCIATED PARTS REPAIR -- CONTINUED 0054 00 Inspection -- Continued 4.   Inspect fan drive hub assembly (22) for warpage or loose rivets (35). Replace fan drive hub assembly if defects are found. 5.   Inspect fan drive hub assembly (22) for raised metal or pitted surfaces caused by ball wear. Repair if defects are not extensive. 6.   Measure outside diameter (36) of fan drive hub assembly (22). Replace fan drive hub assembly if not within the following limits. 7.   Measure inside diameter (37) of fan drive hub assembly (22). Replace fan drive hub assembly if not within the following limits. REF NO POINT MEASUREMENT SIZES AND FITS OF NEW PART inches (mm) WEAR LIMITS 36 Outside diameter of bearing surface on fan drive hub assembly 1.7718 (45.0037) 1.7722 (45.0138) 1.7716 (44.99864) 37 Inside diameter of fan drive hub as- sembly 1.1470 (29.1338) 1.1480 (29.1592) 1.1490 (29.1846) Figure 55 22 37 35 36