Check hydraulic valve clearance compensating elements

AR05.00-S-2010E

Check hydraulic valve clearance compensating elements

03.02.2014

MODEL

447 with ENGINE 651

2

Compensating element

3

Cam

4

Roller cam follower

5

Tool



Check

1

Check engine oil level. Correct if necessary



Low SPAsh multigrade service engine oils (specification 228.51)

BB00.40-P-0228-51A



Low SPAsh multigrade service engine oils (specification 229.31)

BB00.40-P-0229-31A


The engine oil level must not lie above the maximum marking.
Engine damage can occur otherwise.

 

Remove/install

 Danger !

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

2

Start engine and warm up to normal operating temperature (approx. 80°C)

3

Remove cylinder head cover

AR01.20-S-5014E



Check

4

Rotate engine at crankshaft in direction of engine rotation until the cam (3) on the compensating element (2) to be checked is on its base circle


Do not turn engine against direction of engine rotation.
Measurement errors and damage can occur otherwise.

 Counterholder

*651589004000

 Counterholder

*651589084000

5

Press down compensating element (2) over roller cam follower (4) by hand using the appropriate tool (5)


Do not use a steel tool. Press compensating element (2) downwards using normal force of the hand.
Damage may occur otherwise.

 If a number of compensating elements (2) drop, check oil ducts and oil feed bores for the compensating elements (2) for fouling; blow out the oil ducts with compressed air in the flow direction of the oil if necessary.

If a compensating element (2) drops much more than other compensating elements (2), replace compensating element (2) in question:



Remove/install hydraulic valve clearance compensating elements

AR05.00-S-2011E

6

Install in the reverse order