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Profeller Shaft and Differential PD-18 Adjusting Gear Contact Area To proof whether the driven conic gear and drive conic gear mesh correctly, the shape of contact area should be checked. If the hyperbola gear mesh mesh incorrectly, it will cause noise and shorten the duration of the gears. 1. Wash the gears of driven conic gear and drive conic gear completely. 2 .Select 3~4 gears of driven gear which are near drive gear and wipe a flat of ferric oxide. 3 .Turn connecting flange by hand to turn driven conic gear positive and negative. If the caculated clearance value and the thickness are correct, the shape of gear contact area will be normal. But A.Adjust approch:Increase the thickness of the gasket of drive gear to close it to driven gear. B.Adjust approch:Decrease the thickness of the gasket of drive gear to keep away it from driven gear After adjusting, wipe up the ferric oxide. |