Replace front radial shaft sealing ring

AR03.20-P-3002MFD

Replace front radial shaft sealing ring

06.03.2020

Engine

282 in model 118, 177, 247

1

Radial shaft sealing ring

4

Timing case cover

Topical note

Notes on avoiding damage through contamination and foreign objects

AH00.00-P-5000-01A



Remove

1

Remove belt pulley or vibration damper.

AR03.30-P-1600MFD

2

Remove radial shaft sealing ring (1) with a suitable tool from the timing case cover (4).


Ensure that the sealing surface of the timing case cover (4) is not damaged.
Leaks can occur otherwise.



Clean

3

Clean sealing surface on timing case cover (4).


The sealing surface on the timing case cover (4) must be free of grease and dry.
Leaks can occur otherwise.

Assembly cleaner

*BR00.45-Z-1028-04A



Install

4

Install a new radial shaft sealing ring (1).

AR03.20-P-3002-01MFD

 The radial shaft sealing ring (1) must be installed dry.

 Insertion tool

*200589024300

5

Install belt pulley or vibration damper.

AR03.30-P-1600MFD



Check

 Warning

Risk of burn injuries, suffocation and poisoning when working on the exhaust system and the components connected to it. Risk of suffocation and risk of poisoning caused by inhalation of gaseous and solid components of the exhaust. Risk of poisoning caused by skin contact with solid components of the exhaust.

Wear protective clothing and safety glasses. Use the extraction system. Move people out of the hazard area.

AS49.00-Z-0001-01A

 Warning

Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.

Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.

AS00.00-Z-0005-01A

6

Perform engine test run; while doing so, check new radial shaft sealing ring (1) for proper operation and leak tightness.

Repair materials

Number

Designation

Order number

BR00.45-Z-1028-04A

Assembly cleaner

A 000 986 56 01