NMWR-9-2815-220 Overhaul Manual for M60 M88 Engine AVDS-1790-2CA, AVDS-1790-2DA, AVDS-1790-2DR Download
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NMWR 9-2815-220 SHROUDS, AIR DEFLECTORS, AND COOLING FANS, VANES, AND 0025 00 HOUSING OVERHAUL—Continued RECLAMATION - Continued e. X-ray the weld to ensure its quality and integrity. f. Rebalance the fan and spin test for one minute at 8000 RPM after rebalancing. NOTE Quality Control will inspect each finished part to ensure adherence to this procedure. REPAIR 1. Refer to WP 0005 00 for general repair instructions. 2. Shrouds and Plates. Straighten bent shrouds or plates as near original shape as possible. Replace missing or damaged plate nuts. NOTE Care must be taken when using a file not to remove excessive amounts of metal since this will disturb the delicate balance of the fan. 3. Fans. Repair scratches, nicks, and raised metal using a fine mill file. ASSEMBLY 1. Refer to WP 0005 00 for general assembly procedures. 2. Assemble shrouds, air deflectors, and cooling fans, vanes, and housing in accordance with TM 9-2815-220-34. 0025 00-6 Change 1