14 mm and 17 mm Remove the line from the fuel transfer pump and fuel filter head. When replacing fuel lines, replace banjo fitting sealing washers (1) each tim e they are removed. Install the fuel line and tighten the fittings securely. 10 mm Bleed the fuel line by opening the banjo bleed screw. 10… Read More »
80 to 95 mm, Filter Wrench Remove the combination water separator/fuel filter. 80 to 95 mm, Filter Wrench If used, remove the two filters from the dual filter adaptor. 24 mm, Flat Blade Screwdriver If a leak is found, remove the dual filter adapter and replace the o-rings. Torque Value: 32 N»m [24 ft-lb] Fill… Read More »
17 mm, 19 mm Caution: The pressure of the fuel in the line is sufficient to penetrate the skin and cause serious bodily harm. Loosen the fittings at the injector, and crank the engine to allow entrapped air to bleed from the line. Tighten the fittings. Caution: Do not bleed a hot engine as this… Read More »
Air/fuel can be vented from the illustrated vent locations on the Nippondenso EP-9 and the Lucas CAV fuel injection pumps. The Lucas CAV fuel injection pump requires the fuel solenoid valve be energized before venting. Loosen the vent screw and operate the priming lever on the fuel transfer pump until fuel injection pump is primed.… Read More »
10 mm Open the bleed screw. Operate the hand lever until the fuel flowing from the fitting is free of air. Tighten the bleed screw. Torque Value: 9 N«m [7 ft-lb]
Controlled venting is provided at the injection pump through the fuel drain manifold. Small amounts of air introduced by changing the filters or injection pump supply line will be vented automatically if the fuel filter is changed in accordance with the instructions. However, manual bleeding will be required if: • The fuel filter is not… Read More »
The fuel system is designed to use fuel to cool and lubricate the injection pump and injectors. Fuel is contin ually vented from the injection pump and a small amount of fuel leaks by the injector needle valve during injection. This fuel is returned to the supply tank by the fuel drain manifold. Restriction of… Read More »
All engines use closed nozzle, hole-type injectors. How ever, the injectors can have different part numbers for different engine ratings. The last four digits of the Cummins part number are used to identify the injectors. During the injection cycle, high pressure from the injection pump rises to the operating (pop) pressure which causes the needle… Read More »
The high pressure fuel lines are designed and manufactured to deliver fuel at injection pressure to the injectors. The high pressure pulses will cause the lines to expand and contract during the injection cycle. Shown here are the high pressure fuel lines for distributor type injection pump. Shown here are the high pressure fuel lines… Read More »
If the synchro-start solenoid checks good, the problem is with the wiring circuit to the solenoid. To preform the solenoid voltage check, connect the wiring harness and apply voltage to the solenoid with the ignition key as follows: 1. With the key in the run position check the voltage hold-in. 2. With the shut down… Read More »