399255 Replacing sealing ring for transfer gear (rear output shaft)

WM 399255 Replacing sealing ring for transfer gear (rear output shaft)

Tools





Preliminary work

1. Remove rear cardan shaft. -> 393519 Removing and installing rear cardan shaft 393519 Removing and installing rear cardan shaft

Removal

Removing sealing ring for transfer gear

1. Press off the dust boot -1- using a mounting lever -2-.





Dust boot

2. Pierce a hole in the centre of the sealing ring using a mandrel.

Information

- Do not damage the drive shaft sealing face.

- Do not screw tapping screw in too far to avoid damaging the bearing behind it.

3. Screw in tapping screw -arrow- with a diameter of 4 mm.





Tapping screw in sealing ring

4. Pull out sealing ring using puller T10055. => Removing sealing ring





Removing sealing ring

Installation

Installing sealing ring for transfer gear

1. Lightly oil the outer circumference of the new sealing ring.
2. Half-fill the space between the sealing and dust lips with sealing grease.
3. Tap the sealing ring in as far as it will go using thrust piece T10450. Do not bend the sealing ring. => Installing sealing ring





Installing sealing ring

4. Tap new dust boot in until it locks onto the shaft using assembly tool T10399.





Fitting dust boot

5. Replace O-ring -1- and circlip -2-.





O-ring and circlip

Subsequent work

1. Install rear cardan shaft. -> 393519 Removing and installing rear cardan shaft 393519 Removing and installing rear cardan shaft
2. Check oil for the transfer gear and top up if necessary. -> 399035 Checking and topping up oil for transfer gear Testing and Inspection