Checking hydraulic valve clearance compensating elements

AR05.00-D-2010C

Checking hydraulic valve clearance compensating elements

14.2.96

 

Removing, installing

1

Warm engine up to operating temperature

Coolant temperature about 80 °C

2

Inspect engine oil level, adjust to correct level if necessary

AP18.00-D-0101A

3

Remove cylinder head cover (1)

AR01.20-D-5014C

4

Rotate engine at crankshaft until the cam (2) at the valve tappet (3) to be inspected is positioned at its base circle

 Lobe of cam should point up

AR01.00-D-0120C



Inspecting

5

Use thrust tool (1) to press valve tappet (3) by hand (arrow)

 Do not use any steel tools.
 If the pressure is excessive, the valve tappet appears to drop but in reality the valve opens.

If a valve tappet drops more rapidly in comparison to the others 

replace valve tappet.

AR05.00-D-2310C

6

Once again press new valve tappet (3) by hand thrust tool (1) (arrow)

 If one or several of the new valve tappets drop more rapidly in comparison to the others 

inspect pressurized oil supply of cylinder head 

Engine oil circuit as-built configuration

GF18.00-S-1106A

 Clean oil gallery in cylinder head if necessary

AR01.30-S-5450A

7

Install in the reverse order