| 1. For removal of a sound signal disconnect from it electric sockets and unscrew a fastening bolt. |
| 2. For access to a sound signal it is necessary to remove a forward lattice or a radiator. |
| 3. If the sound signal does not work, check up a control lamp or the voltmeter, whether pressure to contacts of a sound signal by pressing of the button of a sound signal moves. |
| 4. If the sound signal is faulty, it is necessary to replace it. |
| 5. Installation is made in sequence, return to removal. |