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 ACCESSORY DRIVE HOUSING AND REAR FAN DRIVE ASSEMBLY OVERHAUL—Continued 0018 00 Table 11. Overhaul Inspection Procedure for Fan Driven Bevel Gearshaft (OIP 8682684) (Item 9, Figure 6). QA NO. REF. CHARACTERISTIC INSP. REQUISITE REQ. LTR. METHOD 1 Cracks Magnetic particle None allowed 2 Scratches, nicks, Visual None allowed gouges, or sharp edges on contact surfaces 3 Pitted or galled tooth Visual Not permitted over more 1/4 surface than of tooth width 4 A Outside diameter Measure 1.5749 – 1.5753 in. (40.0024 – 40.0126 mm) 5 B Dimension between Measure 0.9757 – 0.9775 in. 0.0600 (1.5240 mm) (24.7827 – 24.8285 mm) diameter pins 6 C Damaged retaining Visual None allowed ring groove 7 Backlash Measure Dimension must be no greater than 0.0120 in. (0.3048 mm) when assembled with mating gear 8 D & E Fit of new bearings “D” Measure 0.0001T – 0.0010T (701023) and “E” (714056) on gearshaft D E NOTE Bevel gears are part of a set and are not to be replaced separately. 0018 00-23