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 Table 46. Overhaul Inspection Procedure for Cooling Engine Axial Fan Impeller (OIP 554132) (Item 9, Figure 5). QA NO. REF. CHARACTERISTIC INSP. REQUISITE REQ. LTR. METHOD 1 Cracks Dye penetrant None allowed 2 Bent blades Visual None allowed 3 Broken blades Visual None allowed 4 Warped blades Visual None allowed 5 Blade erosion Visual Leading edge of any blade must not be hidden by gage (Figure 1) 6 Nicks or scratches on Visual None allowed blades 0025 00-60 Change 1