Removing
1. Remove the camshaft housing along with the cylinder head (see subsection 3.1.12).
2. Remove the cover gasket.
3. Measure the free play of the camshaft by inserting a feeler gauge between the thrust plate and the shaft, replace the thrust plate if necessary. Unscrew the two thrust plate bolts (indicated by arrows in the figure on the left) and remove the thrust plate (drawing on the right).
4. Remove the camshaft from the casing.
Examination
1. Inspect the bearing surfaces in the camshaft housing for wear. If necessary, the cover must be replaced.
2. Inspect the bearing journals and camshaft lobes. If wear is found, the shaft must be replaced. Inspect the shaft thrust plate and replace if necessary.
Installation
1. Install a new camshaft seal.
2. Lubricate the camshaft with oil and install it in the casing. Tighten the thrust plate bolts and measure the shaft free play.
3. Install the camshaft cover.
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