Xinchai 490B Series Manual page 11

1.4 Main Characteristic Data
1尧 Timing (in terms of crankshaft angle)
Intake valve open: 11毅before top dead center.
Intake valve close: 41毅after bottom dead center
Exhaust valve open: 49毅before bottom dead center.
Exhaust valve close: 11毅after top dead center.
Cold valve clearance intake valve 0.35mm
2尧 Injection advance angle: 10-12毅CA渊C490BPG尧C490BT尧C490BG冤;
21依1毅CA(490BT尧490BD尧B490BT);
17依1毅CA(490B尧490BPG尧490BT尧A490BPG尧B490BPG)
3尧 Temperature and pressure requirements:
1冤尧 Exhaust temperature
2冤尧 Oil temperature: 臆368k (95毅C).
3冤尧 Cooing water temperature: 357-368k (85-95毅C).
4冤尧 Oil pressure at the main oil gallery: 0.2-0.44Mpa.
4尧 Tightening torques for the main bolts in N 窑 m:
Cylinder head bolt: 117.6-137.2.
Main bearing bolt: 137.2-156.8 .
Connecting rod bolt: 98.1-117.6.
Flywheel bolt: 98.1-117.6.
Starting claw: 100-120.
5尧 Oil capacity in the oil sump抑6L.
exhaust valve 0.45mm
臆550毅C 渊490B 臆620毅C冤.
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