Processing of valve seats in the cylinder head (Scorpio 1)

Valve seats with signs of wear or burning must be processed with mandatory preservation of the angles and size of the chamfer. Otherwise, it is necessary to replace the cylinder head. After any processing of the valve seats, it is necessary to grind the valves.

Lapping

When grinding valves, use only fine-grained polishing paste.

Lubricate the surface of the valve seat with a small amount of paste and install the valve in the corresponding seat. Press the rubber suction cup tightly to the valve plate and rotate the valve in one direction or the other.

After finishing the grinding process, thoroughly clean all parts from dirt and paste and check the valve seat and plate. A solid matte ring should be visible on both parts, which indicates the width of the valve chamfer.

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