Replacing rear crankshaft radial seal

AR03.20-G-3063N

Replacing rear crankshaft radial seal

21.09.2018

Engine

470.9, 471.9 in model 800.110/112

1

Radial shaft sealing ring

2

Pry bar

3

Assembly tool

 Caution

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

Topical note

Notes on avoiding damage through contamination and foreign objects

AH00.00-N-5000-01H



Remove

1

Remove flywheel.

AR03.30-G-8002N

2

Press out radial shaft sealing ring (1) using pry bar (2).

 Cover over crankshaft with a rag as a protection.

 Pry bar

*003589011600



Clean

3

Clean the timing case in the area of the removed radial shaft sealing ring (1) and flywheel flange.



Check

4

Check tread of the radial shaft sealing ring (1) on the flywheel flange on the flywheel.

If galling is present on the flywheel flange,



Replace flywheel.



Install

5

Install new radial shaft sealing ring (1) with assembly tool (3).

AR03.20-W-3063-01H

 Install radial shaft sealing ring (1) dry on the outer surface and coated with engine oil on the inner sealing lip.

 Assembly tool

*470589024300

6

Install flywheel.

AR03.30-G-8002N