SI05.30-N-0003A | Service Information: Corrected mechanical valve play adjustment | 19.6.02 |
ENGINES 906.960 /963, 909.900 /901, 457.933 /934 /935 /936 /938 /940 /941 /942 /943 /944, 458.970 /980
We would like to point out that the adjustment table for the "Crankshaft position and cylinder/adjustable valves" is not correct in the operator's manual for engine model series 906 hLA, 457 LA and 457 hLA.
Therefore use the table below for mechanical valve play adjustment.
Please do not deliver any more operator's manuals; a corrected version will be redelivered as soon as possible.
N01.00-0348-01
Engine 906
A Exhaust valve
E Inlet valve
X Flywheel side
Engine 457
A Exhaust valve
E Inlet valve
X Flywheel side
A01.00-0001-01
1 | First, cylinder 6 in overlapping TDC (cylinder 1 in ignition TDC) | Set intake and exhaust valves in two crankshaft positions. With respect to the following table. | |
2 | Then cylinder 1 in overlapping TDC (cylinder 6 in ignition TDC) |
Engine | Crankshaft position | Cylinder/valves to be set | |||||
1 | 2 | 3 | 4 | 5 | 6 | ||
6-cylinder | Cyl. 6 valve overlap | I/O | R | O | R | O | - |
Cyl. 1 valve overlap | - | O | R | O | R | I/O | |