AR27.51-P-0825A | Dismantling and assembling drive shaft with clutch K2 and front gear set | 12.4.10 |
TRANSMISSION 722.6
P27.51-2022-09
84 Inner multiple-disk carrier/clutch K1 with integrated front gear set
84a Hollow gear
84b Snap ring
85 Axial needle bearing
100 Input shaft with clutch K2
101 Pistons
101a Seal/piston inner
101b Seal/piston outer
102 Disk spring
103 Spring retainer
103a Seal/spring retainer
104 Snap ring
105 Multiple-disk set
106 Snap ring
107 Disk spring
P27.51-0210-02
104 Snap ring
076 Assembly device
Modification notes
1.8.97 | New assembly device | Special tool for steps 8 and 13 modified | |
25.8.98 | New special tool for setting loose play |
| Disassembling | ||
1 | Detach transmission housing from torque converter housing, fit on | ||
2 | Remove multiple-disk clutch K1, K2 and K3, install | ||
3 | Remove snap ring (84b) from the inner multiple-disc carrier / clutch K1 with integrated front gear set (84) and take off hollow gear (84a) | ||
| Conversion from 18° to 23° teeth in front and rear planetary gear set | Transmission 722.6 | |
4 | Remove drive shaft with clutch K2 (100) | ||
| Plain bearings of input shaft converted to antifriction bearings | Transmission 722.6 | |
5 | Remove needle thrust bearing (85) | ||
6 | Remove snap ring (106) from outer multiple-disc carrier / clutch K2 | ||
7 | Take out multiple-disc pack (105) | Inspect disks for scorch points and wear | |
8 | Take out disk spring (107) | As of transmission no.1596205 | |
| Additional disk spring in multiple-disk set K2 | Transmission 722.6 | |
9 | Fit assembly device (076) onto spring retainer (103) and press until snap ring (104) is released (Fig. A) | Operate assembly device with a lever press. | |
10 | Remove snap ring (104) | ||
11 | Take out disc spring (102) and pull piston (101) out of outer multiple-disc carrier | Further work according to condition: | |
Remove multiple-disk brake B1 and oil pump, install | |||
| Assembling | ||
12 | Install piston (101) in outer multiple-disc carrier | Inspect seals (101a and 101b), replace if necessary. | |
The rounded edges of the seals must point to the outside. | |||
13 | Insert disk spring (102) and spring retainer (103) | Insert disk spring (102) with curved side pointing toward spring retainer (103). Inspect seal (103a), replace if necessary. | |
14 | Place assembly device (076) on spring plate (103) and press until the groove of the snap ring is exposed | | |
15 | Insert snap ring (104) | ||
16 | Insert disk spring (107). | As of transmission no. 1596205 | |
| Additional disk spring in multiple-disk set K2 | Transmission 722.6 | |
17 | Insert multiple-disk set (105) into outer multiple-disk carrier and measure | Pay attention to order of outer disks. | |
| Thickness of steel disks B1, K1 and K2 modified | Transmission 722.6 | |
| Survey of disks fitted as-built configuration | Transmission 722.6 | |
18 | Fit snap ring (106) | ||
19 | Insert axial needle bearing (85) into inner multiple-disk carrier/K1 | Insert axial needle bearing (85) with a little grease to prevent it slipping. | |
20 | Install drive shaft in inner multiple-disc carrier / clutch K1 with integrated front gear set | ||
21 | Fit internally-geared wheel (84a) | Pay attention to installation position. | |
Further work: | |||
Remove multiple-disk clutch K1, K2 and K3, install |
140 589 13 43 00
Assembly device
Repair materials
Number | Designation | Order number |
BR00.45-Z-1007-06A | Anticorrosion grease/DB supply specification 6834.00 | A 001 989 37 51 |