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TM 9-2320-360-20-1
Using a belt tension gauge, check that
fan belt tension is 70- 90 lb (310-400 N).
Visually check for damaged or worn fan
belts.
Check if radiator cooling fins are
plugged with dirt, mud, or other debris.
Check radiator for leaks or damage.
COOLING SYSTEM PRESSURE
TEST
(1)
Remove radiator cap from radiator.
(2)
Install adapter on radiator.
(3)
Install radiator tester on adapter.
CAUTION
Do not pressurize over 10
psi (69 kPa). Failure to
comply may result in
damage to cooling system.
(4)
Pressurize radiator, using tester, to 10 psi.
(5)
Observe radiator and hoses for coolant
leaks.
NOTE
Pressure loss without
external leaks indicates
internal coolant leaks.
(6)
Observe radiator tester for loss of pressure
(7)
Remove tester and adapter from radiator.
(8)
Install radiator cap on radiator.
Change 2 2-441
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