船舶主机说明书12K98MC-C 机械齿轮部件.pdfVIP

Section 906 Mechanical Control Gear “Click to select” Description 906.01-90 Mechanical Control Gear Plate 90600-0099 Arrangement of Chain Drive and Camshaft 90601-0092 Chain Drive and Guide Bars 90602-0114 Chain Drive - Lubrication 90603-0094 Chain Tightener 90610-0105 Chain Wheel on Camshaft 90611-0130 Camshaft 90612-0063 Indicator Drive (2 Valve) 90613-0101 Arrangement of Camshaft 90615-0120 Electrical Governor 90618-0133 Regulating Shaft 90620-0084 Engine - Side Control Console 90621-0071 Engine - Side Control Console - Details 90622-0063 Arrangement of Layshaft Mechanical Control Gear Plate 906.01-90 Chain Tightener The chain tightener consists of a chain tightener bracket which is pivoted Plate 90603 on a shaft pin and a chain wheel. The chain wheel has a shrunk-in bearing bushing and is mounted on a shaft between the side plates of the bracket. The chain tightener is operated by a tightener bolt in the free end of the forked arm for the chain wheel. the tightener bolt extends through a pin that is free to turn in the chain casing Caution ! Before retightening the chain, the engine must be turned into such a position that chain is slack at the side where the chain tightener wheel is fitted and the flyweights, if any, are hanging vertically downward