TM 9--2815--247--34 0096 00--11 MECHANICAL DRIVE HOUSING AND ASSOCIATED PARTS (FAN TOWER, DAMPER END) REPAIR -- CONTINUED 0096 00 Inspection -- Continued 10. Measure outside diameter (55) of bearing surface on bevel gearshaft (39). Replace bevel gearshaft if not within the following limits. 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. 11. Measure outside diameter (56) of bearing surface on bevel gearshaft (36). Replace bevel gearshaft if not within the following limits. 12. Measure outside diameter (57) of bearing surface on bevel gearshaft (36). Replace bevel gearshaft if not within the following limits. REF NO. POINT OF MEASUREMENT SIZES AND FITS OF NEW PART inches (mm) WEAR LIMITS 55 Outside diameter of bearing surface on bevel gearshaft 1.5749 (40.0024) 1.5753 (40.0126) 1.5747 (39.9973) 56 Outside diameter of bearing surface on bevel gearshaft 1.5749 (40.0024) 1.5753 (40.0126) 1.5747 (39.9973) 57 Outside diameter of bearing surface on bevel gearshaft 1.5749 (40.0024) 1.5753 (40.0126) 1.5747 (39.9973) Figure 54 39 55 56 57 36