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 GENERATOR DRIVE MECHANISM REPLACE/REPAIR (650 AMPERE) 0156 00 DISASSEMBLY (Continued) 4. Remove bearing (20) from idler spur gear (10). a. Remove retaining ring (21) from spur gear (10). Discard retaining ring. b. Using an arbor press, remove and discard ball bearing (20) from spur gear (10). 1 20 21 0 INSPECTION 1. Measure inside diameter (A) of bearing bore in generator adapter (4). Replace generator adapter if it is not within specifications in the following table. 2. If bearings were removed, measure outside diameter (B) on both ends of generator drive gear (19). Replace drive gear (19) if it is not within specifications in the following table. Location Sizes and Fit of New Parts - inches (mm) Wear Limits A 2.8346 (71.9988) 2.8353 (72.0166) 2.8356 (72.0242) B 1.3781 (35.0037) 1.3785 (35.0139) 1.3779 (34.9986) B 19 B 4 A WP 0156 00-5