Checking and machining dimensions for valves

AR05.30-W-4202-01B

Checking and machining dimensions for valves

Number

Designation

Engine 445.9, 446.9

BE05.30-N-1003-01F

Valve seat angle "A"

Intake

 °

30

Outlet

 °

45

Fig. see

AR05.30-W-4202-01B

BE05.30-N-1004-01F

Valve disk Ø "B"

Intake

mm

58.8...59.0

Outlet

mm

50.9...51.1

Fig. see

AR05.30-W-4202-01B

BE05.30-N-1005-01F

Seat width at valve plate "F"

when new

Intake

mm

4.5...5.5

Outlet

mm

4.5...5.5

Machining

Intake

mm

6.5

limit

Outlet

mm

6.5

Fig. see

AR05.30-W-4202-01B

BE05.30-N-1006-01F

Valve length "C"

Intake

mm

142.3

Outlet

mm

142.3

Fig. see

AR05.30-W-4202-01B

BE05.30-N-1007-01F

Valve stem Ø "E"

Intake

mm

11.932...11.950

Outlet

mm

11.922...11.940

Fig. see

AR05.30-W-4202-01B

BE05.30-N-1009-01F

Intake valve seat faces machining dimension "H" related to
valve seat face Ø "G"

Dimension
" G"

mm

55

when new

Dimension "H"

mm

3.6...3.8

Machining
limit

Dimension "H"

mm

3.3

Fig. see

AR05.30-W-4202-01B

BE05.30-N-1010-01F

Exhaust valve seat faces machining dimension "H" related to
valve seat face Ø "G"

Dimension
" G"

mm

48

when new

Dimension "H"

mm

3.0...3.2

Machining
limit

Dimension "H"

mm

2.7

Fig. see

AR05.30-W-4202-01B