Mitsubishi 6M60-TL Service Manual page 225

RADIATOR, OIL COOLER, INTERCOOLER AND FAN SHROUD
Inspection procedure
Inspection before removal
14-16
Inspection: Air leaking of intercooler
• Plug an end of the intercooler and apply a specified air pressure
from the other end with the intercooler immersed in water.
• If any leakage is found, replace the intercooler.
Inspection: Air leaking of oil cooler
• Plug an end of each coolant passage and oil passage of the oil
cooler and apply a specified air pressure from the other end with
the oil cooler immersed in water.
• Be sure to check both the coolant passage and oil passage.
• If any leakage is found, replace the oil cooler.
Inspection: Air leaking of radiator
• Install hose and radiator cap tester and plug to upper tank.
• Insert plug in lower tank, and immerse the entire body of the ra-
diator in water.
• Apply a specified air pressure using radiator cap tester, and
check for any air leakage.
• If any leakage is found, repair or replace radiator.
Inspection: Pressure cap
(1) Pressure valve opening pressure
• If the measurement does not conform to the standard value, re-
place the pressure cap.