the line from the portable container will be disconnected
systems).
(b) Straight diesel and multifuel engines.
from the engine fuel supply line. The engine fuel supply
line will be reconnected. Fuel filters and sediment bowls
The engine fuel intake line will be disconnected at the
will be drained.
most convenient accessible point nearest the fuel supply
(b) Engines with fuel injectors. The injector
tank. A line from a portable container containing fuel
fuel return coupling will be disconnected. A line will be
conforming to FED VV-F-800 will be connected to the
connected to the injector fuel return coupling on the
fuel intake line leading to the engine. The injector fuel
engine to permit draining into a recovery container. The
return line will be disconnected at the disconnected
fuel system will then be preserved as specified in (a)
coupling. A transparent line will be connected to the
herein. (The recovered fuel and oil mixture will not be
injector fuel return coupling to allow for draining into a
used to preserve other fuel systems.)
recovery container. The fuel valve of the portable
(2) Compression-ignition (diesel and multifuel)
container will be turned to the ON" position. The engine
engines (2 and 4 cycle).
will be started and operated at fast idle until thoroughly
warm. The engine will then be accelerated to 3/4 speed,
(a) Gasoline starting engines. A portable
at which time the fuel supply will be switched to the
container with two compartments will be positioned to
provide gravity feed to the engine. One compartment will
The engine will be operated at this speed until undiluted
contain gasoline and the other compartment will contain
preservative oil is flowing into the recovery container.
The engine will then be stopped. The temporary fuel
portable container will be connected to the engine fuel
return line will be disconnected and the permanent fuel
pump intake line. The engine fuel return line will be
return line reconnected. The temporary fuel intake line
disconnected at the quick disconnect coupling.
A
will be disconnected and the permanent fuel intake line
transparent plastic line will be connected to the
reconnected. Fuel filters and sediment bowls will be
disconnected engine fuel return line, and the other end
drained. (The recovered fuel oil mixture will not be used
will be inserted into a recovery container to collect the
to preserve other fuel systems.)
returned fuel.
Another portable container will be
(c) Gasoline starting auxiliary (pony)
engines. After the attached diesel or multifuel engine
diesel or multifuel engine fuel supply line will be
has been preserved, the gasoline engines will be
disconnected at the most convenient point nearest the
disengaged from the diesel or multifuel engine. The
fuel pump. The line at the portable container will be
gasoline engine fuel system, combustion chambers, and
connected to the fuel-to-engine line at the point of
valves will then be preserved as specified for spark-
disconnect. Controls will be positioned for gasoline
ignition engines.
operation. The three-way valve of the two compartment
e. Combustion Chambers and Valves.
container will be turned to the gasoline "ON" position.
(1) Spark-ignition engines. After completion of
The engine will be started and operated until running
smoothly. The engine speed will then be increased to
the fuel system preservation, the engine will be allowed
3/4 speed and the container selector valve turned to the
to cool to a cylinder head temperature of maximum
preservative oil "ON" position. Engine will be operated
100F., measured at the spark plug area of all cylinders.
until it begins to misfire, and the engine controls will
Cooling may be accelerated by induced air currents.
immediately be switched to diesel or multifuel operation.
After the engine has cooled, the spark plugs will be
The engine will be operated at 1/2 speed until undiluted
removed. Care will be exercised to avoid damage to he
preservative oil is flowing into the recovery container.
threads, electrodes, and gaskets. While cranking the
The engine will then be increased to 3/4 speed for
engine with the starting motor, one-half of the
approximately15 seconds and the engine then turned off.
Portable container valves will be turned to "OFF" position
lubricating oil, type I, grade 30 will be atomized into each
and the lines disconnected from the engine fuel intake
cylinder through each spark plug opening. The nozzle
lines. The engine fuel intake lines will be reconnected.
The temporary fuel return line will be disconnected and
maximum air pressure for spraying will not exceed 25
the permanent fuel return line reconnected. Fuel filters
psi. Without cranking the engine, the ad-
and sediment bowls will be drained. (The recovered fuel
oil mixture will not be used to preserve other fuel
15