| 0 | PRELIMINARY CHECKS | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Adjust the backrest by pressing with your hands to identify the sources of the noise coming from the backrest; dismantle the backrest Op. 7045D30 FRONT SEAT BACKREST COVER, LEFT OR RIGHT - R.R. | Move on to Step 1 | Components interfering. | Move the interfering components apart and, if the welding is insufficient, renew it. |
| 1 | CHECK ON ADJUSTMENT PLATE | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check that the adjustment plate is not in contact with the backrest frame components. | Move on to Step 2 | Components interfering. | Replace the adjustment plate. |
| 2 | CHECK ON MATCHING OF UPPER AND LOWER CROSSMEMBERS WITH BACKREST SIDES | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check the areas where the upper and lower crossmembers are matched with the backrest sides. | Move on to Step 3 | Breaks in the matching areas. | Replace seat frame Op. 7045A86 FRONT SEAT FRAME (ONE), LEFT OR RIGHT, R.R. |
| 3 | CHECK ON WHIPLASH MECHANISM ON BACKREST | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check for creakign caused by the whiplash mechanism on the backrest. | End of diagnosis | 1. Joint springs creaking | 1. Lubricate the joint springs with grease. |
| 2. Contacts with backrest internal components (frame, etc.). | 2. Space out the parts in contact. |
| 4 | CHECK ON CORRECT OPERATION | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check that the fault is no longer present. | End of diagnosis | The fault persists | Replace seat frame Op. 7045A86 FRONT SEAT FRAME (ONE), LEFT OR RIGHT, R.R. |
