Remove/install hydraulic valve clearance compensating elements

AR05.00-P-2011MFD

Remove/install hydraulic valve clearance compensating elements

10.05.2019

Engine

282 in model 118, 177, 247

1

Cylinder head

2

Compensating element

3

Oil feed bore

 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

 Caution

Risk of injury caused by scraping or cutting body parts on sharp vehicle parts

Always wear protective gloves when working on or near sharp and non-deburred vehicle parts.
Deburr repair panels.

AS00.00-Z-0017-01A

 Warning

Risk of injury. Skin or eye injuries may result when handling hot or glowing objects.

Wear protective gloves, protective clothing and safety glasses, if necessary.

AS00.00-Z-0002-01A

Topical note

Notes on avoiding damage through contamination and foreign objects

AH00.00-P-5000-01A

 

Remove/install

1

Remove roller-type rocker arms.

AR05.00-P-2500MFD

2

Pull compensating elements (2) out of the cylinder head (1) with a suitable tool.



Specified engine oils (service) - Overview

BB00.40-P-0223-02A


Do not damage compensating elements (2).
Otherwise, engine damage will occur when the compensating elements (2) are reused.

 Installation: Wet compensating elements (2) with engine oil.



Check

3

Check seat and oil feed bores of the compensating elements (2) in the cylinder head (1) for soiling.

If soiling is present,



Clean seat and oil feed bore of the cylinder head (1) using suitable means.

4

Check oil feed bore (3) of the compensating elements (2) for soiling.

If compensating elements (2) are reused.

If soiling is present,



Clean oil feed bore (3) of the compensating elements (2) using suitable means.

5

Check compensating elements (2) for proper operation.

If compensating elements (2) are reused.


Press compensating elements (2) together only by hand.
Otherwise, damage to the surface of the compensating elements (2) will occur.

 It must not be possible to press together the compensating element (2) by the normal force of the hand and when using a strong force, it should be possible to press it together only very slowly.

6

Install in the reverse order.

7

Check forced oil supply of the cylinder head (1).

If several compensating elements (2) were defective.

AR18.00-P-1250MFD