Dismantling and assembling rear transmission cover

AR27.30-P-0700A

Dismantling and assembling rear transmission cover

7.9.94



Dismantling

1

Remove rear transmission cover

AR27.30-P-0680A

2

Press out radial sealing ring (66) using a screwdriver

3

Remove locking ring (68) and drive out the race/grooved ball bearing (67)

4

Using a suitable drift, drive the shaft (130) upwards against the cover (127) out of the housing and remove drive gear (129)

5

Withdraw radial sealing ring (132) from the rear transmission cover

 Removal:Screw an M 12 hexagon bolt into the radial sealing ring and clamp in a vise.
Withdraw the radial sealing ring by applying light blows with a plastic hammer against the transmission cover.

6

Unclip cover for oil accumulator (160)



Assembling

7

Clip on cover for oil accumulator (160)

8

Press in radial sealing ring (132)

Carefully press in as far as the stop

using a shop-made alignment tool.



Drift for radial sealing ring of speedometer drive

WF58.50-P-2730-01A

9

Insert shaft (130) and drive gear (129) in rear transmission cover

10

Drive home cover (127) into the housing

 Observe play!

*BE27.30-P-1001-01A

11

Install race/grooved ball bearing and check play

AR27.30-P-0700-01A

12

Drive home new radial sealing ring (66) using a suitable alignment tool

13

Install rear transmission cover

AR27.30-P-0680A

Number

Designation

Transmission 722.5

BE27.30-P-1001-01A

Play between cover and drive gear of speedometer drive

mm

0,5