| 1 | LEVER POSITION CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check that the adjustment lever and support disc are correctly positioned. | Move on to Step 2 | Not correctly positioned (rubbing, interference) | Reposition them correctly (or replace the knob and/or disc) and lubricate with Krytox grease. |
| 2 | CHECK ON BACKREST ADJUSTMENT ASSEMBLY | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| After partly removing the backrest upholstery, check whether the noise (creaking) is coming from the adjustment control unit. | Move on to Step 3 | The noise is coming from the regulator body. | Lubricate the bowden cable with Krytox grease (to confirm the diagnosis) and then apply grease. |
| 3 | CHECK ON POSITIONING/ATTACHMENT OF PULLMAFLEX PLATE | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check that the Pullmaflex plate and/or adjustment cables are correctly positioned/attached | Move on to Step 4 | Positioning/attachment not correct. | Reposition the Pullmaflex plate and/or adjustment cables correctly. |
| 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 the adjustment assembly Op. 7045A38 DRIVER'S SEAT BACKREST LUMBAR ADJUSTMENT DEVICE - R.R WITH SEAT REMOVED |
