TM 9-2320-269-20-1
ORGANIZATIONAL TROUBLESHOOTING - CONTINUED
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
COOLING SYSTEM - CONTINUED
UNDERHEATS
WARNING
Steam released from hot cooling systems can cause severe burns. Allow cooling system
to cool down before performing maintenance procedures.
Step 1. Test coolant for proper protection limit (TM 750-254).
NOTE
Before using antifreeze tester, clean window, cover with water, and dry to insure correct
reading.
a. Open right side hood panel (7) (page 2-7).
b. Unscrew surge tank cap (8), and test coolant protection limit (TM 750-254).
c. If the reading is below - 30F (0C), drain 5 qt (4.730 I) of coolant from radiator
(2), and add 5 qt (4.730 I) of water to the surge tank (9).
d. Screw on surge tank cap (8).
e. Close hood panel (7) (page 2-7).
TA228600
2-75
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