TM 5-3895-369-14
4-66. COOLANT SYSTEM FLUID REPLACEMENT.
This task covers:
b. Filling
a. Draining
INITIAL SETUP
Equipment Condition
Tools
TM or Para
Condition Description
Tool kit, general mechanics: automotive
Right engine door
opened.
Materials/Parts
Antifreeze (item 2, appendix E)
General Safety Instructions
Sodium Carbonate (item 53, appendix E)
If engine has previously been in operation, allow
time for cooling before performing procedure.
a. Draining.
Do not drain coolant if water temperature gauge reads above 180F (82C). Contact with steam or
hot coolant will result in serious injury to personnel.
Wear goggles/safety glasses when flushing radiator. Alkali hased corrosion inhibitor is in coolant
system. Contact with skin can cause injury to personnel.
NOTE
Place a suitable container with a 6 gallon (22.7 liters) capacity under radiator to catch spilling coolant.
(1) Open petcock (1) on radiator (2) and drain radiator.
(2) Remove plug (3) from water inlet (4) and drain remaining coolant.
(3) Close petcock (1) and install plug (3).
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