Specifications of the cylinder block

The cylinder block is cast from special cast iron and is integral with the cylinders.

The cylinder block is embossed with a numerical marking in accordance with the size group for the nominal diameters of the cylinders, as indicated in the table «Dimensions of piston and cylinder groups». The maximum allowable increase in cylinder diameter during boring, depending on the pistons used, should not exceed 0.5 mm.

Permissible ovality and taper of cylinder mirrors in operation (measurement to be made in four belts), no more than, mm: 0.013.

Note. After boring the cylinders, remove the old cylinder diameter marking on the cylinder block and knock out a new one.