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 TM 55-1905-223-24-5
FIGURE 3-5. Tube Bundle Tester .
(4)
Connect an air supply line that has a quick disconnect fitting to the air connection fitting.
(5)
Use an air pressure regulator and a three way air discharge valve to control the pressure.
(6)
Apply 60 psi (414 kPa) air pressure to the element.
(7) Place the element and tube bundle tester assembly into a container of water. Ensure the water
completely covers the element. Check the element for air leaks.
(8)
Remove the element and tube bundle tester assembly from the container of water.
(9)
Using the air discharge valve, release air pressure from the element.
(10)
Remove the tube bundle tester from the element.
REPLACEMENT
CAUTION
Never install a used cooler element. Engine damage can occur.
3-14
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