3-42. OIL COOLER REPAIR (Contd)
c. Inspection (Contd)
Inspect for cracks, damaged
Discard any part where cracks,
threads, and excessive corrosion.
stripped threads, or excessive
corrosion is found.
Compressed air used for cleaning purposes will not exceed 30 psi (207 kPa). Use only with
effective chip guarding and protective equipment such as goggles or shield, gloves, etc.
Failure to comply may result in injury to personnel.
Cooler core (33)
a. Seal one end and install
Do not exceed 30 psi (207 kPa) for
suitable air fitting on opposite
testing or cooler core (33) will
end. Connect compressed air
supply line and apply air pressure.
b. Immerse in water and observe.
Discard cooler core (33) if air bubbles
c. Remove from water and
disconnect air supply line and