Trim Tab Free-Play Inspection PDF
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Summary
This document describes the procedure for inspecting the free-play of a trim tab. It outlines the steps to check for looseness in various components and provides instructions for troubleshooting and repair.
Full Transcript
### 9-7D. TRIM TAB FREE-PLAY INSPECTION. a. Place elevators and trim tab in the neutral position. b. Using moderate pressure, move the trim tab trailing edge up and down by hand to check free-play. c. A maximum of 112" (total motion up and down) measured at the trim tab trailing edge is permissi...
### 9-7D. TRIM TAB FREE-PLAY INSPECTION. a. Place elevators and trim tab in the neutral position. b. Using moderate pressure, move the trim tab trailing edge up and down by hand to check free-play. c. A maximum of 112" (total motion up and down) measured at the trim tab trailing edge is permissible. d. If the trim tab free-play is less than 112", the system is within prescribed limits. e. If the trim tab free-play is more than 112", check the following items for looseness while moving the trim tab up and down. 1. Check push-pull tube to trim tab horn assembly attachment for looseness. 2. Check push-pull tube to actuator assembly threaded rod end attachment for looseness. 3. Check actuator assembly threaded rod end for looseness in the actuator assembly. f. If looseness is apparent while checking steps e-1 and e-2, repair by installing new parts. g. If looseness is apparent while checking step e-3, refer to paragraphs 9-6 through 9-7C.
