Disassemble/Assemble Multidisk Clutch K81 - AR27.50-P-0622EWM
WARNING: This page is about a different car, the 2023 Mercedes-Benz GLC300, 2022 Mercedes-Benz GLC300, 2021 Mercedes-Benz GLC300, 2020 Mercedes-Benz GLC350e, and 2020 Mercedes-Benz GLC300. However, it is still accessible from the selected car via links, so may be relevant.
Transmission 725.0/1
| Disassemble/assemble | |||
| 1 | Clamp pressure device (3) into vise | Fig 2 | |
| 2 | Mount inner plate carrier (1) with multiplate clutch K81 (2) onto pressure device (3) | Fig 2 | |
| 3 | Mount pressure device (3) onto inner plate carrier (1) and push down far enough until the snap ring (4) is exposed | Fig 2 | |
| 4 | Remove snap ring (4) using pliers (5) | Fig 4 | |
| 5 | Remove pressure device (3) and remove inner plate carrier (1) with multiplate clutch K81 (2) | Fig 2 | |
| 6 | Remove undulated washer (6) | ||
| 7 | Mount pressure device (7) onto disk spring (9) and push down far enough until the snap ring (8) is exposed | The lugs (arrows) must engage in the disk spring (9). Otherwise, the disk spring (9) may be damaged when being pushed down. |
|
| Fig 2 | |||
| 8 | Remove snap ring (8) | Fig 4 | |
| 9 | Detach pressure device (7) and remove snap ring (8) | ||
| 10 | Remove spring retainer (10) | ||
| 11 | Remove disk spring (9) | ||
| 12 | Remove spring retainer (11) | ||
| 13 | Remove piston (13) | ||
| 14 | Remove hub (14) from pressure device | ||
| Fig 2 | |||
| 15 | Assembly in reverse order | ||
| 16 | Measure clearance of multiplate clutch K81 (2) and adjust if necessary | AR27.51-P-0560-03EWM | |
| Clearance in multidisk clutch K81 | *BE27.51-P-1006-01E | ||
| Fig 7 | |||
| Fig 6 | |||
| Fig 1 | |||
| Fig 5 | |||
| Fig 3 |
ADJUSTMENT VALUES FOR MULTIDISK CLUTCH/MULTIDISK BRAKE
| Number | Designation | Transmission 725.0/1 | |||
|---|---|---|---|---|---|
| BE27.51-P-1006-01E | Clearance in multidisk clutch K81 | Contact force for clearance adjustment | F1 | N | 1600 |
| Number of internal plates, single-sided | 1 | mm | 2, 5...2, 7 | ||
| 6 | mm | 2, 5...2, 7 | |||
| Number of internal plates, double-sided | 4 | mm | 1, 8...2, 0 | ||
| 5 | mm | 2, 2...2, 4 | |||
| 6 | mm | 2, 6...2, 8 | |||