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 FAN DRIVE CLUTCH ASSEMBLY AND ASSOCIATED PARTS REPLACE/REPAIR 0129 00 DISASSEMBLY (Continued) 8. Press fan drive hub assembly (32) from ball bearing (41) using an arbor press (30) (item 8, WP 0176). Discard bearing. 41 32 41 30 32 CLEANING 1. See Work Package 0028 for General Cleaning Procedures. INSPECTION 1. All parts must be inspected with care (WP 0028). 2. Inspect fan drive hub assembly (32) for warpage or loose rivets (42). Replace fan drive hub assembly if defects are found. 3. Inspect fan drive hub assembly (32) for raised metal or pitted surfaces caused by ball wear. Replace fan drive hub assembly if defects are found. 4. Measure outside diameter (A) of fan drive hub assembly (32), using outside micrometer (item 17, WP 0176). Replace fan drive hub assembly if not within specifications in the following table. 5. Measure inside diameter (B) of fan drive hub assembly (32), using inside micrometer (item 16, WP 0176). Replace fan drive hub assembly if not within specifications in the following table. Location Sizes and Fits of New Parts inches (mm) Wear Limits A (bearing surface) 1.7718 (45.0037) 1.7722 (45.0138) 1.7716 (44.99864) B (inside diameter) 1.1470 (29.1338) 1.1480 (29.1592) 1.1490 (29.1846) 32 3 4 2 A B 2 WP 0129 00-8