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Remove/Install Hydraulic Valve Clearance Compensating Elements - AR05.00-P-2011MRI

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Engine 264 in model 205, 253 

G14470639Courtesy of MERCEDES-BENZ USA
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
Notes on avoiding damage through contamination and foreign objects   AH00.00-P-5000-01A
REMOVINGINSTALLING Remove/install     
1 Remove corresponding camshaft.   AR05.20-P-6992MRI 
2 Mark roller-type rocker arms (1) and valve clearance compensating elements (2) relative to respective cylinder head. If reusing roller-type rocker arms (1) and valve clearance compensating elements (2).
NOTES
If reusing roller-type rocker arms (1) and valve clearance compensating elements (2), install these in the same place as previously.
Engine damage can occur otherwise.
 
3 Remove roller-type rocker arms (1) including valve clearance compensating elements (2).    
REFER TO CAPACITIES & SPECIFICATIONS Specified engine oils (service) - Overview INSTALLATION IMPORTANT Wet roller-type rocker arms (1) and valve clearance compensating elements (2) using engine oil. BB00.40-P-0223-02A
4 Remove clamps (3) by hand and remove valve clearance compensating elements (2) from roller-type rocker arms (1).    
INSPECT Check     
5 Check valve clearance compensating elements (2) for proper operation and install new ones if necessary. IMPORTANT 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-1250MRI
6 Install in the reverse order.