Remove/install K3, rear hollow shaft, rear planet carrier and output shaft

AR27.50-S-0611E

Remove/install K3, rear hollow shaft, rear planet carrier and output shaft

16.11.2018

Model

447 with engine 651 with transmission 722.9

Model

447, 448 with engine 274 with transmission 722.9

1w

Torque converter housing

2d

Axial needle roller bearing

23

Rear planet carrier

2a

Torlon ring

2e

Thrust plate

24

Output shaft

2b

Retaining ring

21

K3 multidisk clutch

25

Rear ring gear

2c

Shim

22

Rear hollow shaft

2a

Torlon ring

21

K3 multidisk clutch

24

Output shaft

Notes on automatic transmission

AH27.19-P-0001-01NKB

 

Remove/install

1

Remove transmission housing from torque converter housing (1w).

AR27.50-S-0601E



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 put into service.

2

Remove upper Torlon rings (2a) from output shaft (24).

 Installation: Replace the Torlon rings (2a).

 Sleeve

*722589001400

3

Remove retaining ring (2b), shim (2c), axial needle roller bearing (2d) and thrust plate (2e) from output shaft (24).

AR27.50-S-0810-01E

 Installation: Check axial play between shim (2c) and retaining ring (2b) and adjust if necessary.
Commercially available devices/tools
Feeler gage
Outside micrometer

Axial play between shim and retaining ring

*BE27.50-N-1003-01B

4

Remove multiplate clutch K3 (21) from rear hollow shaft (22).

If required



Dismantle and assemble rear tubular shaft

AR27.50-S-0851E

If required



Disassemble/assemble K3 clutch

AR27.51-S-0830E

5

Remove output shaft (24) with rear planet carrier (23).

6

Remove remaining Torlon rings from output shaft (24).

 Installation: Replace Torlon rings.

 Sleeve

*722589001400

7

Remove rear ring gear (25).

 To do so, remove retaining ring.

8

Install in the reverse order.

Check values for gear set

Number

Designation

Transmission 722.9

BE27.50-N-1003-01B

Axial play between shim and retaining ring

mm

0,15...0,6