188.8.131.52. Measurement of diameter of a core of the valve
Measure by a micrometer diameter of a core of each valve in the directions X and Y in three points (A, B, and C) as is shown in drawing 2.140
If diameter does not correspond to norm, replace the valve.
Admission: 5,470–5,485 mm;
Release: 5,465–5,480 mm.
Admission: 5,440 mm;
Release: 5,435 mm.