Fig. N.6. Inspection Cover removed to gain access to Fuel Pump Gear Securing Setscrews

Inspection of Parts - TM-55-1930-209-14P-9-4_732

Fig. N.9. Timing Marks on Fuel Pump Flange and Timing Case - TM-55-1930-209-14P-9-4_734

TM-55-1930-209-14P-9-4 Water Purification Barges (NSN 1930-01-234-2165) Electric Power System Manual
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FUEL SYSTEM - N.5 Fig. N.6. Inspection Cover removed to gain access to Fuel Pump Gear Securing Setscrews. To Refit the Pump 1. Using a new joint, refit the pump to the cylinder block and secure with the two nuts and spring washers. 2. Reconnect the fuel lines and vent the system of air as detailed on Page N.14 Fig. N.7. Removal of Fuel Pump Gear Setscrews and Tachometer Drive Shaft. Fig. N.8. Removal of Fuel Pump. FUEL INJECTION PUMP Description The fuel injection pump is of the D.P.A. distributor type. It is a precision built unit incorporating a mechanical flyweight governor. The pump is flange mounted and is driven front the engine timing case. IMPORTANT NOTE: Unless the necessary equipment and experienced personnel are available, dismantling of the fuel pump should not be attempted. To Remove the Fuel Pump 1. Remove the high pressure injection pipes from the pump and atomisers and blank off all ports to prevent the ingress of dirt. 2. Remove the low pressure pipes from the fuel pump inlet ports, again blanking off the open ports. 3. Disconnect the stop and throttle controls from the pump and remove the control return springs. 4. Remove the nuts and setscrews from the heat exchanger mounting bracket. 5. Remove the bracket complete with tachometer drive assembly and fuel pump gear cover plate. 6. Remove the three setscrews which secure the fuel pump gear to the fuel pump.

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