On rotary pumps, a cold start switch may be installed
Engines may be equipped with a Stanadyne or Lucas
in the thermostat housing/water manifold and is
rotary-type injection pump or a Nippondenso in-line
connected to a wiring harness from the pump. This
injection pump. Engines with rotary pumps are
switch helps during cold start-up operation.
dynamically timed at the factory. See Group 115.
On in-line pumps, the fuel supply pump is a
Some injection pumps are equipped with an aneroid.
component mounted on the side of the pump actuated
by lobe on injection pump camshaft.
Engines may be equipped with a primary fuel
All engines are equipped with a round final fuel filter.
Hand primer on top of filter element is optional.
All engines use 9.5 mm pencil-type nozzles.
Field-installed options include fuel heater, water
On rotary pumps, the fuel supply pump is a separate
separator bowl and hand fuel primer.
component mounted on upper right-hand side of
engine block and is actuated by a pin in block that
rides on engine camshaft lobe.