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Valve gear, to remove

Valve gear, to remove

(Cylinder head removed)

Important

The cylindrical surfaces round the valve springs constitute sealing surfaces for the tappets. These surfaces must not be scratched.

The camshafts must come away from the bearing seats evenly.



1. Remove the camshaft bearing caps by undoing the bolts in steps of 1/2 to 1 turn. It is important to conclude removal at the bearing cap where the tappets are under load. Lift out the camshafts and remove the stuffing boxes. Note the marking.


2. Remove the tappets and keep them in the valve rack, part No. 83 93 787, so that they do not get mixed up.

3. Insert protective sleeves, part No. 83 95 022.

4. Depress the valve heads using valve spring compressor 83 95 246 and remove the tappets.


5. Lift out the spring caps and valve springs. Also lift out the washers with valve guide seals using pliers 83 94 157.

6. Remove the valves and keep them in the valve rack, part No. 83 93 787, so that they do not get mixed up.