TM 5-2420-230-24-2
Section 10 - Air Intake System - Group 10
Aftercooler Assembly - Rebuild (10-03)
B Series Shop Manual
Page 10-7
Pressure Test the Aftercooler Core
Install the hose, hose clamps, and solid pipe plug (1) onto
the inlet tube.
Install the hose and hose clamps (2), and air pressure
gauge (3) onto the outlet tube.
Connect the air pressure gauge to a regulated air supply.
Air Pressure:
552 kPa [50 psi]
Submerge the aftercooler in a tank of water.
If air bubbles appear, the core is damaged and the af-
tercooler must be replaced.
Remove the aftercooler from the water tank.
Remove the test equipment.
Use compressed air and dry the aftercooler.
Aftercooler Assembly - Rebuild (10-03)
Caution: The aftercooler is a unitized assembly and can-
not be rebuilt. Any attempt to repair the aftercooler core
will reduce the coolant flow and cause future engine
damage.
Refer to Aftercooler Assembly - Cleaning and Inspection
for Reuse (10-02).
Air Transfer Pipe - Cleaning and
Inspection for Reuse (10-04)
Cleaning
Warning: When using a steam cleaner, wear protective
clothing and safety glasses or a face shield. Hot steam
will cause serious personal injury.
Use solvent or steam to clean the air transfer pipe. Dry
with compressed air.
L-416
