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TM 9-2320-364-20-4
6-3
(2)
Turn radiator cap (1) additional 1/2 turn
counterclockwise and remove radiator cap
from radiator (2).
(3)
Install radiator cap (1) on coolant system
pressure tester and pressurize radiator cap.
NOTE
Pressure valve on radiator cap
must start to open between 6.5
and 8 psi (44.81 and 55.16 kPa)
and cap must hold pressure for 30
seconds or more. If pressure
valve does not open, replace cap.
(4)
Remove radiator cap (1) from coolant
system pressure tester.
(5)
Install coolant system pressure tester on
radiator (2) and pressurize coolant system to
10 to 15 psi (68.95 to 103.4 kPa). If pressure
does not hold for two minutes, check for
coolant leaks (TM 9-2320-364-10) and repair
as necessary.
Use extreme care when removing
coolant system pressure tester.
Sudden release of pressure can
cause injury to personnel.
(6)
Slowly remove coolant system pressure
tester from radiator (2).
(7)
Install radiator cap (1) on radiator (2).
b.
Follow-On Maintenance:
Remove wheel chocks, (TM 9-2320-364-10).
END OF TASK
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