Doosan DB33A - Inspection and Repair of Engine Components

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Piston ring (1)
Remove the piston rings
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Snap ring (2)
Remove the piston pin snap ring
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Piston pin and connecting-rod (3)
Pull out the piston pin with brass bar
2.3. Inspection and Repair
Make the necessary adjustments, repairs and
replacements if excessive wear or damage is
discovered during inspection.
2.3.1. Cylinder Head
Lower face warpage
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Use a straight edge and a feeler guage to measure
the four sides and the two diagonals of the cylinder
head lower face.