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CHECK  DRIVE COLLAR  AND  DRIVE  ARM  RADIAL PLAY (Continued)
CHECK DRIVE COLLAR AND DRIVE ARM RADIAL PLAY     (Continued) - TM-55-1520-240-23-4_628

TM-55-1520-240-23-4 CH-47D Heilcopter Manual
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TM 55-1520-240-23-4 5-99.2 CHECK DRIVE COLLAR AND DRIVE ARM RADIAL PLAY     (Continued) 5-99.2 CHECK LOWER DRIVE ARM RADIAL PLAY (WITHOUT   46 ) 12.1.     Disconnect lower end of pitch link from swashplate (Task 5-97). 12.2.     Install pitch link lockpins (Task 5-96.1). 13. Remove cotter pin (7), washer (7.1), and nut (8) from bolt (9).  Remove bolt. CAUTION Do not allow swashplate to rotate. Rotor head,  pitch links,  and swashplate will be damaged. 14. Clamp indicator (1) to swashplate (10). 15. Position indicator (1) on lower end of lower drive arm (5), align with lower drive arm.  Preload indicator against lower drive arm. 16. Push lower drive arm (5) toward indicator (1). Record indicator reading C. 17. Hold swashplate (10) down and pull lower drive arm (5) away from indicator (1). Record indicator reading D. 18. Subtract reading D from reading C. Result shall not be more than  0.006 inch. 19. Remove indicator (1) from swashplate (10). 20. Position lower drive arm (5) in upper drive arm 20 (4). WARNING Antiseize compound (E75) can form toxic vapors if exposed to flame.  Use only with adequate ventilation, away from open flame.  In case of contact, immediately flush skin or eyes with water for at least  15 minutes.  Get medical attention for eyes. 21. Apply antiseize compound (E75) to shank of bolt (9).  Wear gloves (E184.1).  Do not apply to thread or bushing on bolt. 22. Install bolt (9), washer (7.1), and nut (8) in lower drive arm (5).  Torque nut to  500-700 inch-pounds. 23. Install cotter pin (7) in nut (8).  Go to Follow-On Maintenance. INSPECT Change 2 5-607







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