Use adequate safety precautions, including eye protection, when performing Air Pressure Test.
Do not exceed air pressure in oil cooler. Excessive pressure may damage oil cooler.
Failure to follow this caution may cause injury to personnel or damage to equipment.
Air Pressure Test
Use a one-inch pipe plug on engine oil coolers as indicated in Figure 2, Plate "B".
Fasten gaskets or O-rings and cover plates (as shown in Figure 2) to engine oil cooler and immerse assembly in a
container of 120°F (49°C) water. Apply 80 psi (550 kPa) of air while immersed in water. Check for leaks.
Figure 2. Cover Plates and Coupling Installed.
END OF TASK