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FLIGHT CONTROLS

1. GENERAL

This chapter describes those units and components which furnish a means of manually controlling the flight attitude characteristics of the airplane. The flight controls for the airplane consist of ailerons, roll trim cartridges, rudder, elevator, pitch trim cartridges, and flap system.

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2. TROUBLESHOOTING

Trouble Probable Cause Remedy

Roll trim oscillation. Aileron trim tab mis-adjusted. Perform Adjustment/Test - Aileron Trim Tab. (Refer to 57-50)

Aileron cable misaligned on sys-tem pulley.

Inspect aileron pulleys for abnor-mal wear on pulley flange. Verify correct cable installation and per-form Adjustment/Test - Aileron System Rigging. (Refer to 27-10)

Stiff system pulleys restrict aileron movement.

Inspect aileron system pulleys for freedom of movement and replace if necessary.

Stiff hinge bearings restrict aileron and elevator movement.

Inspect hinge bearings for free-dom of movement and replace if necessary.

Aileron system rigged incorrectly. Perform Adjustment/Test - Aileron System Rigging. (Refer to 27-10)

Pitch trim oscillation. Elevator cable misaligned on sys-tem pulley.

Inspect elevator pulleys for abnor-mal wear on pulley flange. Verify correct cable installation and per-form Adjustment/Test - Elevator System Rigging. (Refer to 27-30)

Stiff system pulleys restrict eleva-tor movement.

Inspect elevator system pulleys for freedom of movement and replace if necessary.

Stiff hinge bearings restrict eleva-tor movement.

Inspect hinge bearings for free-dom of movement and replace if necessary.

Elevator system rigged incorrectly. Perform Adjustment/Test - Eleva-tor System Rigging. (Refer to 27-30)

Excessive freeplay at elevator trailing edge.

Loose actuation arm on pitch trim motor assembly.

Remove pitch trim motor assem-bly. Disassemble actuation arm. Correctly position actuation arm to shaft of motor and reassemble. Install pitch trim motor assembly. (Refer to 27-30)

Pitch trim cartridge mis-adjusted. Perform Inspection/Check - Pitch Trim Cartridge. (Refer to 27-30)

Push-to-talk switch functions inter-mittently.

Dirty or corroded switch. Perform Servicing - Push-to-Talk Switch. (Refer to 27-10)

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Figure 27-001Flight Controls

SR22_MM27_1356B

LEGEND 1. Stall Warning System (27-31) 2. Roll Trim System (27-10) 3. Elevator System Cables (27-30) 4. Rudder Pedal Assembly (27-20) 5. Flap System (27-50) 6. Elevator System Cables (27-30) 7. Empennage Flight Controls (27-20) 8. Pitch Trim System (27-30) 9. Rudder System Cables (27-20) 10. Rudder/Elevator Pulley Gang (27-20) 11. Aileron System Pulleys (27-10) 12. Aileron System Cables (27-10) 13. Yoke Grip Assembly (27-10) 14. Yoke Assembly (27-10) 15. Rudder/Aileron Interconnect System (27-20)

15

1

12

14

4

76

5

3

2

18

9

1011

13

NOTE

Serials 0002 thru 2333, 2335 thru 2419, 2421 thru 2437.

Serials 2334, 2420, 2438 & subs.

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