MIL-DTL-45360H(AT)
a. Test the antifreeze protection by using a combination antifreeze and battery tester.
b. Test for reserve alkalinity (corrosion protection).
c. Visual inspection for coolant cleanliness, including excessive rust, foreign particles,
and/or sediment.
NOTE: Recycle all antifreeze.
3.1.8.5 Engine crankcase preservation. The crankcase shall be filled to operating level
with lubricating oil conforming to MIL-L-21260 of the seasonal grade specified in the applicable
drawing, specification, or lubrication order. DA Form 2258 shall be annotated with type and
grade of lubricant used.
3.1.8.6 Compression ignition engine. Compression ignition engine preservation shall be
in accordance with 3.1.8.6.1 through 3.1.8.6.5 in an uninterrupted sequence and the following
two exceptions:
a. Engine without turbochargers, process per all paragraphs with the exception of
3.1.8.6.4.
b. Engines with turbochargers, process per all paragraphs with the exception of
3.1.8.6.3.
3.1.8.6.1 Initial conditions. Prior to processing, engine shall be cooled to assure that the
cylinder head temperature, measured at the injector nozzle flange surface of all cylinders, is not
more than 100oF. Cooling shall be accomplished by induced air currents, circulation of engine
coolant, or by waiting the period of time required to arrive at the above specified temperature.
When the ambient temperature exceeds 100oF, the engine shall be cooled to ambient temperature.
3.1.8.6.2 Fuel system and combustion chamber preservation. A portable auxiliary
container with a filtering device and regulator valve, shall be filled with preservative oil
conforming to grade 1 of MIL-P-46002 to which has been added an oil-soluble red dye
conforming to MIL-D-81298, in a concentration sufficient to impart a marked coloring to the oil.
Position container to allow gravity feed to the engine. Fuel supply system from the fuel tank shall
be shut off. Disconnect the fuel pump supply line between the primary fuel filter and the fuel
pump at the filter end. Connect this line to the auxiliary container containing preservative oil.
a. Disconnect vehicle fuel return line at quick disconnect coupling. Connect a
transparent plastic fuel line to the engine end of the disconnected fuel return line.
Place the other end of transparent fuel line into a recovery container to collect the
return oil.
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