Remove/Install ATA Alarm Signal Siren - AR80.50-S-9840E
Model 447
with code FY1 (Anti-Theft Protection package)
Shown on ATA horn (H3) without protection bracket
| Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | ||
| Remove/install | |||
| 1 | Detach ground line of on-board electrical system battery | AR54.10-S-0003E | |
| 2 | Remove lower engine compartment paneling | AR61.20-S-1105E | |
| 3 | Disconnect electrical connector (1) from ATA signal horn (H3) | ||
| The high voltage used for electric welding presents a lethal hazard. Risk of explosion from welding in areas close to highly inflammable materials. Risk of injury from weld splatter and UV-light when welding. Risk of poisoning from inhaling welding gases | Use insulating mats. Wear protective clothing, safety glasses and a protective mask. Remove highly flammable materials from the hazard area. Use air extraction system. | AS00.00-Z-0007-01A | |
| 4 | Screw commercially available nut to threaded bolt on ATA horn (H3) and weld with two tack weld spots to theft-proof nut (2) | ||
| 5 | Unscrew commercially available nut with theft-proof nut (2) | Fig 2 | |
| 6 | Remove ATA horn (H3) | ||
| 7 | Remove protection bracket from new ATA signal horn (H3) | When replacing ATA horn (H3), if a protection bracket is not installed on the ATA horn (H3) to be replaced. | |
| 8 | Install in the reverse order | ||
| Check | |||
| 9 | Check ATA signal horn (H3) for proper function |