Test values for valve seat rings
Number | Designation | Engine 457.9 | ||
BE05.30-N-1001-03H | Intake valve seat ring outside diameter "A" | Default | mm | 47.385 to 47.395 |
Oversize 0.2 | mm | 47.585 to 47.595 | ||
Deviation 0.4 | mm | 47.785 to 47.795 | ||
BE05.30-N-1002-03H | Exhaust valve seat ring, outside diameter "A" | Default | mm | 43.080 to 43.090 |
Oversize 0.2 | mm | 43.280 to 43.290 | ||
Deviation 0.4 | mm | 43.480 to 43.490 | ||
BE05.30-N-1003-03H | Bore diameter for intake valve seat ring in cylinder head "B" | Default | mm | 47.300 to 47.325 |
Oversize 0.2 | mm | 47.500 to 47.525 | ||
Deviation 0.4 | mm | 47.700 to 47.725 | ||
BE05.30-N-1004-03H | Bore diameter for exhaust valve seat ring in cylinder head "B" | Default | mm | 43.000 to 43.025 |
Oversize 0.2 | mm | 43.200 to 43.225 | ||
Deviation 0.4 | mm | 43.400 to 43.425 | ||
BE05.30-N-1005-03H | Valve seat ring overlap in cylinder head | Inlet | mm | 0.060 to 0.095 |
Outlet | mm | 0.055 to 0.090 | ||
BE05.30-N-1008-03H | Bore depth of valve seat ring in cylinder head "C" | Default | mm | 10.9 to 11.1 |
Oversize 0.2 | mm | 11.1 to 11.3 | ||
Deviation 0.4 | mm | 11.3 to 11.5 | ||
366 589 00 69 00
Valve seat turning kit
Dial indicator
001 589 53 21 00
A05.30-0011-10
1 Determine dimension "G" for valve seat turning kit :
Example:
Dimension B = 47.500 mm (basic bore)
Dimension F = 14.55 mm (pilot diameter)
B + F
Dimension G =
2
47.500 mm + 14.55 mm
Dimension G = = 31.025 mm
2
2 Rework valve seat ring basic bore in a number of stages.
In order to guarantee a correct position of the valve seat ring basic bore for valve guide: Use valve guide for centering the valve seat ring lathe.
3 Check depth of valve seat ring basic bore, if necessary rework.
W05.30-0020-01
4 Use quick calipers for internal measurement and a dial indicator to measure basic bores (B) for valve seat rings in cylinder head.
Overlap between valve seat ring dimension (A) and basic bore dimension (B) must be assured.
5 Check depth of valve seat ring basic bore.