TM 5-3805-280-24-1
Operational Checkout Procedure
7 ENGINE COOLING SYSTEM CHECKS
9005
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YES: Go to next check.
RADIATOR CAP CHECK
CAUTION: Prevent possible injury. DO NOT
remove radiator cap unless engine is cool.
NO: Replace radiator
When engine is hot and cap is removed, hot
cap.
coolant or steam will spray out causing
serious burns.
Engine OFF and cool.
T6488FY UN19OCT88
Remove radiator cap.
If coolant is warmer than surrounding air temperature, is
a "whoosh" sound heard when cap is loosened?
Does cap have a stop position that requires it to be
pushed down to remove?
Is spring (B) in good condition?
A--Gasket
B--Spring
C--Seal
Does cap have a good seal (C) and gasket (A)?
Is spring (B) in good condition?
T7690AB UN23JAN92
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