TM 5-685/NAVFAC MO-912
D-4. Filling the cooling system.
c. Do not dilute arctic-type antifreeze with water
or inhibitor. It is ready for use as issued.
Refer to the engine manufacturer's literature for
instructions on filling the cooling system. This is
applicable to either new systems or those just
Table D-l. Antifreeze solutions.
cleaned and serviced.
GUIDE FOR PREPARATION OF ETHYLENE
a. Cooling system protection is required for all
GLYCOL ANTIFREEZE SOLUTIONS
liquid cooled diesel engines. In areas where tem-
Pints of Antifreeze Needed to
peratures no lower than -55 degrees F ( -48 de-
Temperature in Area
Prepare -Gallon of Solution
grees C) are expected, prepare a solution according
to the table D-l below. When temperatures below
freezing are not expected, use a weak solution such
as one pint of ethylene glycol antifreeze for each
gallon of solution for general protection against rust
build up and scale formation with the engine.
b. Use arctic-type antifreeze in areas where tem-
peratures below -55 degrees F ( -48 degrees C) are