TM 9--2815--247--34 0095 00--5 REAR FAN DRIVE AND ASSOCIATED PARTS REPAIR -- CONTINUED 0095 00 Inspection -- Continued CAUTION If either the fan driven bevel gearshaft or fan drive bevel gearshaft require replacement, both must be replaced, as they are a matched set and cannot be replaced individu- ally. 4.   Measure outside diameter (24) of bearing surface on bevel gearshaft (16). Replace bevel gearshaft if not within the following limits. REF NO. POINT OF MEASUREMENT SIZES AND FITS OF NEW PART inches (mm) WEAR LIMITS 24 Outside diameter of bearing surface on bevel gearshaft 1.5749 (40.0025) 1.5753 (40.0126) 1.5747 (39.9973) Figure 53 24 16 5.   Measure outside diameter (25) of bearing surface on bevel gearshaft (12). Replace bevel gearshaft if not within the following limits. 6.   Measure outside diameter (26) of bearing surface on bevel gearshaft (12). Replace bevel gearshaft if not within the following limits. REF NO. POINT OF MEASUREMENT SIZES AND FITS OF NEW PART inches (mm) WEAR LIMITS 25 Outside diameter of bearing surface on bevel gearshaft 1.5749 (40.0025) 1.5753 (40.0126) 1.5747 (39.9973) 26 Outside diameter of bearing surface on bevel gearshaft 1.6244 (41.2597) 1.6248 (41.2699) 1.6242 (41.2547) Figure 53 26 12 12 25