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Cylinder Block Distortion

Cylinder Block Distortion

1. NOTE: Use a straightedge that is calibrated by the manufacturer to be flat within 0.005 mm (0.0002 in) per running foot of length, such as Snap-On GA438A or equivalent. For example, if the straightedge is 61 cm (24 in) long, the machined edge must be flat within 0.010 mm (0.0004 in) from end to end.

Use a straightedge and a feeler gauge to inspect the cylinder block for flatness.