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May, 1914 working cylinders, and the control valves are regulated by the action of the governor. To accomplish this timing, an oscillating cam is rotated at cam shaft speed, and the effective movement of this cam is dependent upon the posi- tion of the control shaft, which is at- tached to the governor. Each of the control valves are independently adjust- able, and are accessible by removal of the shield from the bottom of the pump. Means are provided to render each of the fuel pumps inoperative by hold- ing open the suction valves, which are connected to the push buttons of the control. The pumps may be operated by hand without disconnecting from the power drive by means of the eccentric mounted on the cam shaft, which has a loss motion of about 45 degrees. With this arrangement the fuel pipes and -.in- jectors may be primed subsequent to starting the engine. Fig. 3 shows the air compressor and the general arrangement of the high and low pressure valves, also the coil for the first stage cooler. Air enters the large cylinder at the strainer of the duplex suction and delivery valves, is com- pressed and delivered to the intercooler for the first stage, thence to the suction valve in the high pressure cylinder, where it is compressed and delivered to FIG. 2--SECTIONAL VIEW OF THE FUEL FULTON DIESEL ENGINE HAVING A DISPLACEME THE MARINE REVIEW a second cooler, then to the high pres- sure receivers. The compressor is capa- ble of handling more air than is re- quired for fuel injection, and this sur- plus is stored in two large receivers for starting. The fuel injection air is carried at from 800 to 1,000 pounds pressure per square inch, and the air for starting is from 700 to 1,000 pounds per square inch. One bottle should be sufficient to start the engine three or four times, but a second bottle is car- ried, to be used only in case of emerg- ency. After removing the cover, the cooling coil may be inspected without breaking any pipe connections or dismantling any other part. Renewable seats are pro- vided in both high and low pressure air valves. The cooling of the low pressure air valve is particularly efficient, in that in addition to the casing being completely surrounded by water the incoming air being drawn through the center of the delivery valve has a decided cooling effect. Both the high and low pressure valves can be removed for inspection or renewal without breaking any of the pipe connections. Fig. 4 shows a governor of the fly ball type, having outside adjustment. All the moving parts are fully enclosed | PUMP FOR THE 3-CYLINDER NT PLUNGER FOR EACH WORKING CYLINDER 185 FIG. 3 -- FULTON. AIR COMPRESSOR, SHOWING GENERAL ARRANGE- MENT OF HIGH AND LOW PRESSURE VALVES, AND COIL FOR FIRST STAGE COOLER in a stationary cylindrical case, which has a detachable cover. The governor casing is bolted to the top of the crank case, and the moving parts are mounted on the vertical shaft, allowing the en- gine to be run with the governor parts exposed, if desired. The end of the governor arm is at- tached to the control shaft of the fuel pump and has a range sufficient to rotate the control shaft enough to get the full range of regulation for the con- trol valves. ; Fig. 5 shows the wrist pin fastening. The pin is milled to receive a key in the usual manner, the piston provided with a key way, and the key and pin together, are assembled with the piston; a holding screw with its point projecting into the key keeps both the parts from moving endwise. The screw is held from turning by a lock washer. The pin is stepped to facilitate assembling with the piston. This method is both simple and inexpensive and as all the members are locked it cannot fail to give satis- faction. Fig. 6 shows the construction of the oil strainer for the crank case lubricat- ing system. No explanation is needed, except to say that the perforated cover is made in two pieces, in order that they may be removed when the filtering elements are to be cleaned. The strain- er is installed by placing the cone seat in position and forcing the pawl spring at the opposite end to compression, let- 'ting the unit drop to place, as shown in |