DOC AIRBUS | AMM A320FHORIZONTAL STABILIZER - DESCRIPTION AND OPERATION
** ON A/C NOT FOR ALL
** ON A/C NOT FOR ALL
1. General.
A. Trimmable Horizontal Stabilizer (THS).
- The Trimmable Horizontal Stabilizer (THS) is installed to the fuselage tail section. It has the supporting structure for the left-hand (LH) and right-hand (RH) elevator.
2. Component Location
** ON A/C NOT FOR ALL | ------------------------------------------------------------------------------- |
| FIN I FUNCTIONAL DESIGNATION I PANELIZONEIACCESS I ATA |
| I I I I DOOR I REF. |
| ------------------------------------------------------------------------------- |
| SPAR BOX 330/ 55-11-00 |
| 340 |
| LEADING EDGE 330/ 55-12-00 |
| 340 |
| TRAILING EDGE 330/ 55-13-00 |
| 340 |
| TIPS 330/ 55-14-00 |
| 340 |
| APRON 330/ 55-15-00 |
| 340 |
| ATTACH FITTINGS 330/ 55-16-00 |
| 340 |
Trimmable Horizontal StabilizerA. THS Description.
- The THS is installed in a large cut-out at the fuselage tail section. It is connected to the fuselage at three points. The connecting points are at the THS actuator and at the two hinge points on either side of the fuselage.
B. Primary Structural Components.
- The primary structural components of the THS are the LH and RH spar boxes and the center joint. All other components are attached to the LH and RH spar boxes.
C. Components.
- The other components are the leading edge, the trailing edge, the tips, the aprons and the attach fittings. Except for the attach fittings, you can remove all components for repair and/or maintenance.
D. Load Transmittal.
- All loads on the THS are transmitted through fittings. The fittings are installed to the center joint and to the rear spars of the spar boxes.
E. THS Control.
- You can control the angle of incidence of the THS. The travel ranges are 13.5 degrees nose down to 4.0 degrees nose up.
F. THS Removal.
- You can remove the THS as a complete unit.