Replacement Of Valve Guides - Bukh DV36/48 Workshop Manual

C12

Replacement of valve guides

Replace the valve guides whic h are pressed into the cylinder head if the tolerance is
exceeded because of wear and tear by 0.05 mm. Check the measure with a ø9 – H7 internal
gauge according to the drawing below of the valve guide.
Fit new valve guides according t o the drawing on page C13. Before fitment, heat the cylinder
head in an oven or heat it in boiling water and cool down t he valve guides in a deep freezer
or otherwise.
After fitment of new valve guides, broach the bore of the valve guides with a broach in order to
remove possible ups ettings from the fitti ng. Use a broach ø 9 – H7 for the broaching.
009W2329-R01