TM 5-2420-230-24-2
Section 7 - Lubrication Oil System - Group 7
Oil Cooler - Cleaning (7-06)
B Series
Page 7-9
Drive the new valve in until it bottoms against the step in
the bore.
Oil Cooler - Cleaning (7-06)
Plug the cooler and soak it in a cleaning solution to
remove the coolant deposits.
Remove the plugs and soak the cooler in solvent.
The cooler can be cleaned in a hot tank.
Back flush the oil passages with clean solvent and use
compressed air to dry.
Oil Cooler - Inspection (7-07)
Inspect the soldered joints for corrosion or cracks.