Department of automobile engineering
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Figure 3 CYLINDER HONING The cylinder wall should be honed to straighten the cylinder when the wall is Wavy of scuffed. If honing is being done with the crankshaft remaining in the block, the crankshaft should be protected to keep honing chips from getting on the shaft. Two types of hones are used for cylinder service. A deglazing hone removes the hard surface glaze remaining in the cylinder. It is a flexible hone that follows the shape of the cylinder wall, even when the wall is wavy. It cannot be used to straighten the cylinder. A brush-type deglazing hone is shown in figure. A sizing hone can be used to straighten the cylinder and to provide a suitable surface for the piston rings. 
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