C-2. RADIATOR MODIFICATION (cont)
Remove top tank (1) and bottom tank (2) from radiator assembly.
Cut flange, pipe, and baffle assembly from top and bottom tanks (1) and (2).
Weld steel plugs (3) in top and bottom tanks.
Cut two holes in top tank as shown below.
Weld inlet and outlet pipes (4), tank dividers (5), and baffle plates (6) into top tank.
Separate top header core assembly (7) from bottom header core assembly (8).
Modified header core assemblies (7) and (8) will be cleaned and overhauled before assembly.
Use tin alloy solder (Item 29, Appendix B) and solder copper bar (9) into both ends of top header core assembly
(7) and into the end of bottom header core assembly (8) mating with top header core assembly.
Use new gasket (70) and fabricated gasket divider (11) and connect top header core assembly (7) to bottom
header core assembly (8).
Use new gasket (10) and fabricated gasket (71) and connect top and bottom tanks to top and bottom header core
Air leak test radiator to 10 lbs psi.