JCM Part No . 960 - 000044R _ Rev . 2 © 2007, JCM American, Corporation 4 Retrofitting the WBA - 12/13 - SS Intelligent Cash Box (ICB) System Retrofitting an Existing Cash Box 5 Retrofitting the WBA - 12/13 - SS To retrofit the WBA - 12/13 - SS Unit: 1 . Remove the WBA head . 2 . Disconnect the seven (7) wire harnesses, attached to the Transport printed circuit board . One (1) is located on the side, and the other six (6) are located on the top . 3 . Remove the three (3) screws securing the circuit board tray to the frame ( See Figure 8 and Figure 9) . 4 . Remove the bracket and circuit board from the WBA . 5 . Remove the screw located at the corner of the circuit board . 6 . Turn the bracket over and disconnect the WBA wiring harness from the circuit board . 7 . Remove the two (2) screws securing the wiring harness to the bracket . 8 . Attach the CPU Circuit Board to the new bracket (Part No . 052467N) ( See Figure 10) . 9 . Secure the wiring harness onto the new bracket . Make sure to match the cut corners on the receptacle with the new bracket to obtain a proper fit and plug the harness into the CPU board ( See Figure 11) . 10 .   Attach the optical interface harness (Part No . 067086) to the receptacle on the ICU board (See Figure 12) . 11 . Attach the upper bracket (Part No . 086639) to the lower bracket . 12 . Mount the optical interface board (Part No . 067104) onto the bracket with the two (2) supplied screws ( See Figure 13) . 13 . Re - install the circuit board into the transport in reverse order of this procedure . Figure 8 Right Side Retaining Screw Location Figure 9 Left Side Retaining Screw Locations NOTE: One (1) screw secures a rod . Remove the rod . Figure 10 New CPU Board with Bracket Attached Figure 11 CPU Board Bracket Harness Figure 12 Optical Interface Harness Attachment