Removing and installing air cushions in multi-contour backrest - AR91.25-P-1740E
MODEL 202 as of 1.8.96 with CODE (404a) Left multi-contour seat with CODE (405a) Right multi-contour seat
Fig 1: Identifying Air Cushions In Multi-Contour Backrest Remove/Install Components - Model 202 (1 Of 3)
Fig 2: Identifying Air Cushions In Multi-Contour Backrest Remove/Install Components - Model 202 (2 Of 3)
Fig 3: Identifying Air Cushions In Multi-Contour Backrest Remove/Install Components - Model 202 (3 Of 3)
| Removal, installation | |||
| 1 | Remove seat | AR91.10-P-1000E | |
| 2 | Remove cover (1) and hand wheel (2) | ||
| 3 | Remove multi-contour seat control valve (2) | AR91.25-P-1710E | |
| 4 | Pull set of pneumatic lines for multi-contour seat backrest (height adjustment/side retention), (4) off of holder (7) after releasing catches (arrows) | ||
| 5 | Remove backrest covering | ||
| 6 | Unhook backrest cover (8) on left and right and at bottom on backrest frame | ||
| 7 | Unhook left spring (9) and right spring (10) | Fig 4 | |
| 8 | Remove rubber distributor (11) | ||
| 9 | Unscrew screw (12) | ||
| 10 | Unhook left side retention air cushion (13) on backrest frame and remove | ||
| 11 | Unscrew screw (14) | ||
| 12 | Unhook right side retention air cushion (15) on backrest frame and remove | ||
| 13 | Unhook top reinforcement plate retaining tab (17) | ||
| 14 | Fold rubberized fiber mat (18) down | ||
| 15 | Unhook bottom reinforcement plate retaining tab (19) and fold reinforcement plate (16) over | ||
| 16 | Remove reinforcement plate (16) with air cushion for height adjustment | ||
| 17 | Reinstall in opposite order |