ar0500p2011mfc

Remove/install hydraulic valve clearance compensating elements

Type ar · topic 05.00 · version 0101 · 2019-12-02

Applies to: Engine 260 in model 118, 177, 247

Where it sits

Function group 1 Engine › 05 Engine timing › 05.00 General — Series 118 · Series 177 · Series 247

EinPAS 15 Engine › 15.17 Engine timing › 15.17.30 Valve train — Series 118 · Series 177 · Series 247

Also applies to engines/gearboxes: 260 ***

AR05.00-P-2011MFC

Remove/install hydraulic valve clearance compensating elements

12.11.2019

Engine

260 in model 118, 177, 247

Remove/install hydraulic valve clearance compensating elements

1

Roller-type cam follower

2

Valve clearance compensating element

3

Clamp

P05.00-2048-02

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-P-5000-01A

Remove/install

1

Remove corresponding camshaft.

AR05.20-P-6992MFC

2

Mark roller-type rocker arms (1) and valve clearance compensating elements (2) relative to respective cylinder head.

Where roller-type rocker arms (1) and valve clearance compensating elements (2) are reused.


Where roller-type rocker arms (1) and valve clearance compensating elements (2) are reused, install these at same position as previously.
Engine damage can occur otherwise.

3

Remove roller-type rocker arms (1) including valve clearance compensating elements (2).

Specified engine oils (service) - Overview

BB00.40-P-0223-02A

The roller-type rocker arms (1) on the inlet and outlet side are different.

Installation: Wet roller-type rocker arms (1) and valve clearance compensating elements (2) using engine oil.

4

Remove clamps (3) by hand and remove valve clearance compensating elements (2) from roller-type rocker arms (1).

Check

5

Check valve clearance compensating elements (2) for proper operation and install new ones if necessary.

It should not be possible to press the valve clearance compensating elements (2) together with normal force of the hand and they should move together only very slowly when great pressure is applied.

If several valve clearance compensating elements (2) are defective

Check oil pressure.


AR18.00-P-1250MFC

6

Install in the reverse order

Referenced documents