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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 COOLING FANS, VANES, FAN HOUSINGS, AND SEALS REPLACEMENT 0054 00 WP 0054 00-5 7 6 5 INSTALLATION (Continued) 5. Place fan (4) over shaft (24) rotating slightly (if necessary) to align with spline. 4 a. Secure with flat washer (7) and slotted nut (6). 24 b. Using torque wrench, torque nut (6) 600-625 inch-pounds (68-71 N•m) and install new cotter pin (5) (item 53, WP 0175). c. Repeat for opposite fan. 6. Check fan (4) clearance. a. Using fan rotor gauge or 0.062-inch feeler stock, check clearance between tips of front and rear fan blades and inside diameter of fan housings. b. Check clearance in four opposing positions (front, back, left, and right) for each fan. Clearance must be 0.062 inch (1.5748 mm) minimum. c. Shift fan housings until clearance is obtained. Tighten fasteners (11 and 16), then recheck clearance. Repeat as necessary until clearance is obtained and fasteners are tight. 11 16