D27.50-1164-09
1 | Retaining ring | 4 | Internally toothed plate | 7 | Retaining ring | ||
2 | External plate (6.5 mm) | 5 | External plate (1.8 mm) | a1 | Disk pack B2 | ||
3 | External plate (1.8 mm) | 6 | Disk spring |
D27.50-1115-09
7 | Retaining ring | 13 | Piston B2 | 19 | Piston guide (B2 and B3) | ||
8 | Spring cup | 14 | Seal ring (on piston B3) | 20 | Valve port | ||
9 | Disk spring | 15 | Piston B3 (external plate carrier B2) | A | Oil pressure supply bore (piston B3) | ||
10 | Piston guide ring | 16 | Seal ring (on piston B3) | B | Oil pressure supply bore (piston B2) | ||
11 | Seal ring (to piston guide ring) | 17 | Seal ring (on piston B3) | C | Oil pressure supply bore (multidisk clutch K3) | ||
12 | Seal ring (to piston guide ring) | 18 | O-ring | D | Oil pressure supply bore (piston B2) |
| Remove | ||
1 | Remove automatic transmission |
| |
TRANSMISSION 722.683/684/685/686 in MODEL 906.1/2/6/7 | |||
2 | Remove electrohydraulic controller unit | ||
3 | Remove transmission housing from torque converter housing | ||
4 | Remove piston B3 (15), clutch pack B3 and park pawl gear | ||
The piston B3 (15) is simultaneously the external plate carrier for the multidisk brake B2. | |||
| Disassemble | ||
5 | Remove retaining ring (1) | ||
6 | Remove clutch pack B2 (a1) and disk spring (6) from piston B3 (15) | Check disks for scorch marks and wear and replace if necessary. | |
7 | Remove retaining ring (7), spring cup (8) and disk spring (9) | Clamp disk spring (9) using assembly device until the retaining ring (7) is exposed. | |
Assembly device | |||
8 | Remove piston guide ring (10) and piston B2 (13) | Use compressed air to blow carefully into the oil-pressure supply hole (D). | |
9 | Remove piston guide (19) from piston B3 (15) | Use compressed air to blow carefully into the oil-pressure supply hole (A). | |
| Assemble | ||
10 | Check sealing rings (11, 12, 14, 16, 17) and O-rings (18), replace if necessary | The rounded edges of the sealing rings (11, 12, 17) must face outwards. | |
11 | Assemble piston guide (19) and piston B3 (15) | ||
The piston B3 (15) is simultaneously the external plate carrier for the multidisk brake B2. | |||
12 | Insert piston B2 (13) into piston B3 (15) | ||
13 | Install piston guide ring (10) | The valve port (20) in the piston guide ring (10) must be opposite the gap in the teeth in piston B3 (15) (arrows). | |
14 | Install disk spring (9) and spring cup (8) | Installation: The cone of disk spring (9) must face towards the input side. The lugs of the spring cup (8) must engage in the grooves of the piston guide ring (10). | |
15 | Install retaining ring (7) | Assembly device | |
16 | Install disk spring (6) | The cone must face towards the output side. The lugs of the disk spring (6) must not seat in a gap in the teeth on piston B3 (15). | |
17 | Insert/measure clutch pack B2 (a1) | ||
| Automatic transmission fluids (ATF, Sheet 236.10) | TRANSMISSION 722.681Sheet 236.10 | |
| Automatic transmission fluids (ATF, Sheet 236.12) | TRANSMISSION 722.683/684/685/686 | |
Disk play of multidisk brake B2 | |||
Pressing tool | |||
| Install | ||
18 | Install piston B3 (15) clutch pack B3 and park pawl gear | ||
The piston B3 (15) is simultaneously the external plate carrier for the multidisk brake B2. | |||
19 | Fit transmission housing to torque converter housing | ||
20 | Install electrohydraulic controller unit | ||
21 | Install automatic transmission |
| |
TRANSMISSION 722.683/684/685/686 |
208 589 00 21 00
Pressing tool
140 589 13 43 00
Assembly device