TM-9-2815-220-24 Maintenance Manual for AVDS-1790-2CA AVDS-1790-DA and AVDS-1790-2DR Engines Download
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TM 9-2815-220-24 FRONT FAN DRIVE AND HOUSING, REPLACE/REPAIR 0169 00 INSPECTION (Continued) CAUTION If either fan bevel gear shaft (drive or driven) require replacement, both must be replaced, as they are a matched set and cannot be replaced individually. Failure to comply may result in premature failure. 7. Measure bevel gear shafts (24, 32). a. Measure outside diameter (A) of bearing surface on [driven] bevel gear shaft (32). b. Measure outside diameters (B, C) of bearing surface on [drive] bevel gear shaft (24). c. Replace both shafts if either is not within specifications in the following table. Location Sizes and Fits of New Parts inches (mm) Wear Limits A (outside diameter) 1.5749 (40.0024) 1.5753 (40.0126) 1.5747 (39.9973) B (outside diameter) 1.5749 (40.0024) 1.5753 (40.0126) 1.5747 (39.9973) C (outside diameter) 1.5749 (40.0024) 1.5753 (40.0126) 1.5747 (39.9973) B C A 24 32 WP 0169 00-11