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 ACCESSORY DRIVE HOUSING REPLACE/REPAIR 0158 00 REMOVAL NOTE One of the 29 self-locking nuts with flat washers that secure the accessory drive housing assembly was removed when the fire extinguisher tube was removed. Two of the self-locking nuts are accessed from underneath the accessory base assembly. 1. Remove accessory drive assembly (1) fasteners. a. Remove 24 self-locking nuts (2) with flat washers (3). b. Remove two self-locking nuts (2) with flat washers (3) and seal washers (packing with retainer) (4). (Left side illustrated, right side is mirror image) c. Remove two self-locking nuts (2) with flat washers (3) from bottom side of housing (1). (Left side illustrated, right side is mirror image.) d. Discard self-locking nuts and seal washers. 2. Attach lifting sling (5). a. Remove two self-locking nuts (6) with flat washers (7) from the top two studs between rear fan drive housing (8) and accessory drive housing (9) to provide for attachment of sling assembly. 5 8 9 6,7 4 3 2 (2 places) 3 2 (24 places) 2 3 1 WP 0158 00-2