ENGINE | 904.9 |
ENGINE | 906.9 in MODEL 374, 375, 950, 952, 953, 954, 957, 958 |
ENGINE | 925.9 in MODEL 970, 972, 974 |
ENGINE | 900.9 in MODEL 375, 970, 972, 975, 976 |
ENGINE | 926.9 in MODEL 949, 950, 952, 953, 954, 957, 958 |
ENGINE | 900.9 in MODEL 668, 670 |
ENGINE | 904.9 in MODEL 374 |
ENGINE | 924.9 in MODEL 958, 970, 972, 974, 975, 976 |
ENGINE | 906.9 in MODEL 958, 970, 972, 974, 975, 976 |
ENGINE | 926.9 in MODEL 958 |
ENGINE | 902.9 in MODEL 375, 950, 952, 953, 954, 957 |
ENGINE | 904.9 in MODEL 375, 673, 674, 676, 958, 970, 972, 975, 976 |
ENGINE | 902.9 in MODEL 375, 970, 972, 974, 975, 976 |
Check values for valves |
Number | Designation | ENGINE 900.9, 924.9, 925.9, 926.9, ENGINE 902.9 except CODE MS8 | ENGINE 902.9, 906.9 with CODE MS8 | ||
BE05.30-N-1001-01B | Valve setback relative to cylinder head contact surface | Inlet | mm | 1,1...1,5 | 1,1...1,5 |
Outlet | mm | 1,1...1,5 | 1,3...1,7 | ||
BE05.30-N-1002-01B | Valve lift with specified valve clearance | Inlet | mm | 9,7 | 9,7 |
Outlet | mm | 10,7 | 10,7 | ||
BE05.30-N-1003-01B | Valve seat angle | Inlet | ° | 20 | 20 |
Outlet | ° | 36 | 20 | ||
Outlet | ° | 45 | 36 | ||
BE05.30-N-1004-01B | Valve disk Ø | Inlet | mm | 33,9...34,1 | 33,9...34,1 |
Outlet | mm | 37,8...38,2 | 37,8...38,2 | ||
BE05.30-N-1005-01B | Valve seat width on the valve disk | Inlet 20° | mm | 3,19 | 3,19 |
Outlet 20° | mm | – | 3,50...4,30 | ||
Outlet 36° | mm | 3,63 | 3,63 | ||
Outlet 45° | mm | 3,35 | – | ||
BE05.30-N-1006-01B | Valve length | Inlet | mm | 128,45...129,05 | 128,45...129,05 |
Outlet | mm | 152,50...152,90 | 152,50...152,90 | ||
BE05.30-N-1007-01B | Valve stem Ø | Inlet | mm | 7,935...7,950 | 7,935...7,950 |
Outlet | mm | 7,925...7,940 | 7,925...7,940 | ||
BE05.30-N-1008-01B | Intake valve seat surface machined dimension (H) relative to valve seat surface dia. (G) | Dimension G | mm | 31,0 | 31,0 |
Dimension H | mm | 2,7...3,1 | 2,7...3,1 | ||
BE05.30-N-1009-01B | Exhaust valve seat surface machined dimension (H) relative to valve seat surface dia. (G) | Dimension G | mm | 36,0 | 36,0 |
Dimension H | mm | 2,5...3,2 | 2,7...3,0 | ||
BE05.30-N-1010-01B | Hardness at valve stem end | Inlet | HRC | 54...60 | 54...60 |
Outlet | HRC | 54...60 | 54...60 | ||
BE05.30-N-1011-01B | Concentricity of valve seat to valve stem | Inlet | mm | 0,03 | 0,03 |
Outlet | mm | 0,03 | 0,03 | ||
BE05.30-N-1012-01B | Valve clearance | Inlet | mm | 0,40 | 0,40 |
Outlet | mm | 0,60 | 0,60 | ||
BE05.30-N-1013-01B | Test tolerance for valve clearance | Inlet | mm | –0,05/+0,05 | –0,05/+0,05 |
Outlet | mm | –0,10/+0,10 | –0,10/+0,10 | ||
BE05.30-N-1014-01B | Permissible difference of intake valves measured between cylinder head and valve stem end | mm | 0,3 | 0,3 |
Check values for valves |
Number | Designation | ENGINE 904.9## ## up to 039739, ENGINE 906.9## ## up to 041955 except CODE MS8 | ENGINE 904.9## ## as of 039740, ENGINE 906.9## ## as of 041956 except CODE MS8 | ||
BE05.30-N-1001-01B | Valve setback relative to cylinder head contact surface | Inlet | mm | 1,1...1,5 | 1,1...1,5 |
Outlet | mm | 1,1...1,5 | 1,1...1,5 | ||
BE05.30-N-1002-01B | Valve lift with specified valve clearance | Inlet | mm | 9,7 | 9,7 |
Outlet | mm | 10,7 | 10,7 | ||
BE05.30-N-1003-01B | Valve seat angle | Inlet | ° | 20 | 20 |
Outlet | ° | 36 | 36 | ||
Outlet | ° | 45 | 45 | ||
BE05.30-N-1004-01B | Valve disk Ø | Inlet | mm | 33,9...34,1 | 33,9...34,1 |
Outlet | mm | 37,9...38,1 | 37,9...38,1 | ||
BE05.30-N-1005-01B | Valve seat width on the valve disk | Inlet 20° | mm | 3,19 | 3,19 |
Outlet 20° | mm | – | – | ||
Outlet 36° | mm | 3,63 | 3,63 | ||
Outlet 45° | mm | 3,35 | 3,35 | ||
BE05.30-N-1006-01B | Valve length | Inlet | mm | 125,70...126,10 | 128,45...129,05 |
Outlet | mm | 152,20...152,90 | 152,20...152,90 | ||
BE05.30-N-1007-01B | Valve stem Ø | Inlet | mm | 7,935...7,950 | 7,935...7,950 |
Outlet | mm | 7,925...7,940 | 7,925...7,940 | ||
BE05.30-N-1008-01B | Intake valve seat surface machined dimension (H) relative to valve seat surface dia. (G) | Dimension G | mm | 31,0 | 31,0 |
Dimension H | mm | 2,7...3,1 | 2,7...3,1 | ||
BE05.30-N-1009-01B | Exhaust valve seat surface machined dimension (H) relative to valve seat surface dia. (G) | Dimension G | mm | 36,0 | 36,0 |
Dimension H | mm | 2,5...3,2 | 2,5...3,2 | ||
BE05.30-N-1010-01B | Hardness at valve stem end | Inlet | HRC | 54...60 | 54...60 |
Outlet | HRC | 54...60 | 54...60 | ||
BE05.30-N-1011-01B | Concentricity of valve seat to valve stem | Inlet | mm | 0,03 | 0,03 |
Outlet | mm | 0,03 | 0,03 | ||
BE05.30-N-1012-01B | Valve clearance | Inlet | mm | 0,40 | 0,40 |
Outlet | mm | 0,60 | 0,60 | ||
BE05.30-N-1013-01B | Test tolerance for valve clearance | Inlet | mm | –0,05/+0,05 | –0,05/+0,05 |
Outlet | mm | –0,10/+0,10 | –0,10/+0,10 | ||
BE05.30-N-1014-01B | Permissible difference of intake valves measured between cylinder head and valve stem end | mm | 0,3 | 0,3 |