. Electric railway journal . View of Truck Showing Gasoline Engine and DrivingEquipment consists in the placing of the cam shaft which actuates theinlet and exhaust valves, as well as the ignition tappetson the top of the cylinders. By this means the inlet andexhaust valves are arranged at opposite sides of the cyl-inders, and actuated with one common shaft which isdriven off the crankshaft by means of skew bevel gear anda vertical shaft. The cam shaft and cams are one forging &73 of nickel steel. Motion is transmitted to the valves bymeans of the rocking levers at each side. This arrange-ment
. Electric railway journal . View of Truck Showing Gasoline Engine and DrivingEquipment consists in the placing of the cam shaft which actuates theinlet and exhaust valves, as well as the ignition tappetson the top of the cylinders. By this means the inlet andexhaust valves are arranged at opposite sides of the cyl-inders, and actuated with one common shaft which isdriven off the crankshaft by means of skew bevel gear anda vertical shaft. The cam shaft and cams are one forging &73 of nickel steel. Motion is transmitted to the valves bymeans of the rocking levers at each side. This arrange-ment is used to insure great certainty of action with theleast wear. The case-hardened cam shaft and rollers atthe end of the rocking levers run in an oil bath. The easy access to the valve gear renders the enginehighly suitable for railway work. The entire valve gear. Gasoline Street Car for Service in Curasao, Dutch WestIndies and cam shaft can be readily removed as a self-containedwhole by unscrewing a few bolts. All valves are mechan-ically actuated and are interchangeable. The valves arereadily removable through the openings immediately belowthem, which are closed with flanged pieces. As this equip-ment is placed on the top of the cylinders doors can beprovided on each side of the crank chamber, to give accessfor adjusting the connecting rods and crankshaft. Allvalves are made of nickel steel, with thick stems. The cylinders are cast in pairs, and the water jacket isso arranged that both the explosion chambers of the cyl-inders and the valve chambers are completely water is let in at the exhaust side of each pair ofcylinders, and passes out at the inlet side to the tubularradiator at one end of the chassis. A belt-driven fan islocated behind the radiator. The crank chamber has threespecially long bearings for the shaft, these hav
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