Check hydraulic valve play compensation elements

AR05.00-P-2012MRD

Check hydraulic valve play compensation elements

15.02.2017

Engine

274.9 in model 213

Engine

274.9 in model 238

01

Drift

1

Roller-type cam follower

 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 buttoned-up and snug-fitting work clothes. Do not touch hot or rotating parts.

AS00.00-Z-0005-01A

 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

 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

 

Remove/install

1

Check and correct oil level



AP18.00-P-1811MP

2

Warm up engine to normal operating temperature

3

Switch off ignition and store transmitter key outside of transmission range (min. 2 m)

4

Remove cylinder head cover

AR01.20-P-5014MRD

 Installation: Only install upper engine cover after the leak test.

5

Turn engine at center bolt on crankshaft until the cams of the camshaft on the valve clearance compensating element to be checked point upwards


Do not turn engine against direction of engine rotation.
Otherwise engine damage can occur.

 Socket wrench bit

*001589650900

If the roller-type cam follower (1) does not touch the cam.



Replace valve clearance compensating element.

AR05.00-P-2013MRD



Check

6

Compress valve clearance compensating element; to do this depress the roller-type cam follower (1) using a suitable drift (01)


Do not use a steel tool.
The surface will be damaged otherwise.

 The valve clearance compensating element should not be pressed together with the normal force of the hand but only very slowly when applying a strong pressure.

If the valve clearance compensating element drops too strongly.



Replace valve clearance compensating element.

AR05.00-P-2013MRD

If a number of valve clearance compensating elements are defective.



Check compress oil supply of cylinder head.

AR18.00-P-1250MRD

7

Install in the reverse order

8

Perform an engine test run and check engine for proper operation and leaktightness

9

Install upper engine cover