Remove front radial shaft sealing ring on crankshaft

AR03.20-W-0003C

Remove front radial shaft sealing ring on crankshaft

19.09.2016

Engine

457.9 in model 374, 375, 940, 942, 943, 944, 958

1

Radial shaft sealing ring

2

Housing cover

3

Pulling device

4

Belt pulley/vibration damper

5

Extraction and insertion tool

 Danger !

Risk of injury to skin and eyes due to handling of engine oil. Risk of poisoning caused by swallowing engine oil

Wear protective gloves, protective clothing and safety glasses.
Do not fill engine oil into beverage containers.

AS18.00-Z-0001-01A



Notes on avoiding damage through contamination and foreign objects

AH00.00-N-5000-01H



Remove

1

Remove belt pulley/vibration damper (4)

AR03.30-W-1600C

2

Remove slinger

3

Clean area around the radial shaft sealing ring (1)

4

Remove radial shaft sealing ring (1)

AR03.20-W-3000-02C

 Extraction and insertion tool

*700589084300

 Pulling device

*457589013300



Check

5

Check contact surface of radial shaft sealing ring (1) at crankshaft flange



Front crankshaft seal - altered

BT03.20-W-0004-01A

If there is galling on the crankshaft flange.



Install radial shaft sealing ring (1) with wide sealing lip or cassette-type sealing ring.

Install radial shaft sealing ring (1)
Engine 457.9 up the engine end number 189447

AR03.20-W-3000D

Install cassette-type sealing ring

AR03.20-W-3001C

If there is galling on the crankshaft flange.



Install race or repair crankshaft.

Install race
Engine 457.9 up the engine end number 189447

AR03.20-W-2570C