Removing/installing drive shaft with K2, front planet carrier, internal plate carrier with K1 and B3

AR27.50-S-0612PS

Removing/installing drive shaft with K2, front planet carrier, internal plate carrier with K1 and B3

23.05.2018

Transmission

722.9 in model 470, 471 with engine 642

1a

Torlon ring

12

Front planet carrier

15

B3 multidisk brake

1w

Torque converter housing

13

Inner plate carrier

16

B1 multidisk brake

11

Drive shaft

14

K1 multidisk clutch

Topical note

General information on repair work on transmission

AH27.00-S-1000-01PS

 

Remove/install

1

Remove output unit.

AR27.50-S-0611PS



Automatic transmission fluids (ATF) (specification 236.15)

BB00.40-P-0236-15A

 Installation:
Apply oil to transmission components before installation.
Otherwise, damage can occur during the startup phase when the transmission is being commissioned.

 The output unit consists of multiplate clutch K3, rear hollow shaft, rear planet carrier and output shaft with rear ring gear.

2

Remove drive shaft (11).

3

Remove Torlon rings (1a) from drive shaft (11).

 Installation: Replace the Torlon rings (1a).

 Sleeve

*722589001400

4

Remove cylinder flange together with front planet carrier (12).

5

Remove inner plate carrier (13).

6

Remove multidisk brake B3 (15).

 Installation: Position bores (arrows) of multidisk brake B3 (15) and multidisk brake B1 (16) exactly on top of each other.

7

Remove multiplate clutch K1 (14).



Check

8

Check drive shaft (11) for wear and damage.

If traces of wear or damage are visible,



replace drive shaft (11).

AR27.51-S-0820PS

9

Check multidisk brake B3 (15) for scorch marks and wear.

If scorch marks or worn disks are visible,



Replace disks of multidisk brake B3 (15).

AR27.50-S-0890PS

10

Check multiplate clutch K1 (14) for scorch marks and wear.

If scorch marks or worn disks are visible,



Replace disks of multiplate clutch K1 (14).

AR27.51-S-0800PS

11

Install in the reverse order.