Test values for valve seat rings

BE05.30-N-1000-03N

Test values for valve seat rings



ENGINE

457.9 in MODEL 374, 375.408, 695, 940, 942, 943, 944, 958

Test specifications for valve seat rings

Number

Designation

ENGINE 457.9 in MODEL 374, 375.408, 695, 940, 942, 943, 944, 958

BE05.30-N-1001-03N

Intake valve seat ring outside diameter "A"

Default

mm

47,390...47,410

Deviation 0.4

mm

47,779...47,810

BE05.30-N-1002-03N

Exhaust valve seat ring outer diameter

Default

mm

43,080...43,090

Deviation 0.2

mm

43,280...43,290

Deviation 0.4

mm

43,480...43,490

BE05.30-N-1003-03N

Bore diameter for intake valve seat ring in cylinder head

Default

mm

47,300...47,325

Deviation 0.4

mm

47,700...47,725

BE05.30-N-1004-03N

Bore diameter for exhaust valve seat ring in cylinder head

Default

mm

43,000...43,025

Deviation 0.2

mm

43,200...43,225

Deviation 0.4

mm

43,400...43,425

BE05.30-N-1005-03N

Valve seat ring overlap in cylinder head

Inlet

mm

0,065...0,110

Outlet

mm

0,055...0,090

BE05.30-N-1006-03N

Inlet valve seat ring height

Default

mm

7,6...7,8

Deviation 0.4

mm

8,0...8,2

BE05.30-N-1007-03N

Exhaust valve seat ring height

Default

mm

8,0...8,1

Deviation 0.2

mm

8,2...8,3

Deviation 0.4

mm

8,4...8,5

BE05.30-N-1008-03N

Bore depth of intake seat ring in cylinder head

Default

mm

10,9...11,1

Deviation 0.4

mm

11,3...11,5

BE05.30-N-1009-03N

Bore depth of valve seat ring in cylinder head "C"

Default

mm

10,9...11,1

Deviation 0.2

mm

11,1...11,3

Deviation 0.4

mm

11,3...11,5

BE05.30-N-1010-03N

Valve seat angle at valve seat ring

Inlet

°

45

Outlet

°

30

BE05.30-N-1011-03N

Exhaust valve seat surface at valve seat ring machining dimension "H" relative to valve seat surface dia.

Dimension "G"

mm

38,99...39,01

Dimension "H"

mm

3,80...3,95

BE05.30-N-1012-03N

Inlet valve seat surface at valve seat ring machining dimension "H" relative to valve seat surface dia.

Dimension "G"

mm

41,99...42,01

Dimension "H"

mm

4,00...4,15