Section IV. FUEL INJECTION PUMP
7-7. General. The fuel injection pump receives fuel
7-8. Fuel Injection Pump.
from the engine fuel transfer pump and distributes an
accurately metered amount to each injection nozzle.
The distribution is properly timed to the engine for
delivery to the nozzles in relationship to the engine
(1) Remove the radiator and oil cooler group
cylinder firing order. A flyball-type governor provides
automatic control of the fuel charge in accordance with
the engine load at any given speed range within the
(2) Clean the fuel injection pump in the areas
designed limits. The fuel injection pump is driven by an
of fuel line connections to prevent dirt from
idler gear at one half the speed of the engine crankshaft.
entering system during removal.
The pump requires no special lubrication since it is
lubricated with the filtered fuel it pumps.
(3) Remove cover plate from the side of fuel
injection pump and turn the engine
crankshaft in normal rotation until timing
lines on the pump can be seen. Align the
(Figure 7-15 Sheet 1 of 3)
(Figure 7-15 Sheet 2 of 3)
(Figure 7-15 Sheet 3 of 3)
A INJECTION PUMP TIMING
B FLYWHEEL TIMING
Figure 7-15. Fuel injection pump, removal and Installation (Sheet 1 of 3).