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RIG FORWARD UPPER BELLCRANKS    (Continued)
RIG FORWARD  UPPER  BELLCRANKS (Continued) - TM-55-1520-240-23-9_253

TM-55-1520-240-23-9 CH-47D Heilcopter Manual
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TM 55-1520-240-23-9 11-53 RIG FORWARD UPPER BELLCRANKS     (Continued) 11-53 4. Check bolt (14) of left bellcrank (15).  Measure and record distance between center of bolt and fitting (15.1).  Distance must be  1.31 ±0.06 inches.  If within limit, go to step 12.  If not, perform steps 5 thru 11, then go to step 12. 5. Remove cotter pin (16), nut (17), two washers (18 and 19), and bolt (20) from bellcrank (21). Disconnect link (22) from bellcrank. 6. Loosen nut (23) of link (22).  Turn rod end (24) clockwise to move bolt (14) aft. NOTE One-half turn of rod end moves bolt about  0.02 inch. 7. Position link (22) in bellcrank (21).  Install bolt (20), two washers (19 and 18), and nut (17). Tighten nut. 8. Repeat step 4.  If distance is within limit, go to step 9.  If not, repeat steps 5 thru 8. 9. Torque nut (23) of link (22) to  103 inch-pounds. 10. Torque nut (17) to 60 to 90 inch-pounds. Install cotter pin (16). 11. Check bolt (20).  Bolt shall not rotate with torque less than  10 inch-pounds.  There shall be no axial looseness.  If bolt rotates or is loose, add washer under nut and repeat step 10. 11-236 Change 1







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