TM 1-1520-240-MTF2-4PRIOR TO MAINTENANCE TEST FLIGHT (CONT.) Before Interior Check (Cont.) NOTEAfter work has been done on the flight controlssystem, the DASH actuator should be set to 36.0inches and electrically disconnected. Amechanical rig check is not required if noadjustment has been made to flight controls or thepitch links.13. Neutral Rig Check — After Phase Maintenanceinspection or flight control maintenance. SetDASH actuator to 36 inches for mechanical rigif required. Disconnect electrical connectorsfrom DASH actuator.14. Flight Controls — Neutral, THRUST. grounddetent. (If Neutral Rigging Check notperformed).15. Flight control looseness — Check. See SectionIV.16. 712 No. 1 and/or No. 2 engine(s) N1 and/or N2rigging — Check as required. Includingemergency beep actuator movement maximum6 seconds from minimum to maximum stop.Refer to TM 55-1520-240-23.17. HF Radio Setup (AN/ARC-220) — Turn RadioSet function switch to STBY and allow system togo thru self tests. “SYSTEM TESTING” isdisplayed during test and “SYSTEM-GO” ifsystem passes.18. Perform data and key fills and setup asnecessary. “LOADING” is displayed during and“LOAD COMPLETE” after successful fill.19. Turn HF radio OFF.
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