JCM Part No . 960 - 000058R _ Rev . 2 © 2008,   JCM - American Corporation 1 2 Section 3 EBA - 03 Bill Validator Disassembly / Reassembly 10 . Remove the Sensor Cover by removing the two retaining screws shown in Figure 3 - 7 a . 11 . . Remove the Lower Sensor Board by discon - necting the 30 - pin board connector (See Figure 3 - 8 a), and the 2 - pin connector coming from the motor (See Figure 3 - 8 b) . 12 .   Remove the two (2) screws shown in Figure 3 - 8 c . 13 . Remove the Lower Sensor Board Cover by b y removing four (4) circuit board retaining screws (See Figure 3 - 9 a) . 14 . Remove the two screws securing the motor cover from the lower assembly and remove the motor, gears and drive belts from the assembly (See Figure 3 - 10 a) . 15 . Lift the motor up and out of the frame (See Figure 3 - 11) . Reassembly Procedure To reassemble, reverse the preceding procedure . Figure 3 - 6 CPU Board Removal Lift the Board Up and Off the Frame Figure 3 - 7 Sensor Cover Screw Removal a Figure 3 - 8 Freeing the Lower Sensor Board a b c Figure 3 - 9 Lower Sensor Board Cover Removal a Figure 3 - 10 Motor Cover Removal a CAUTION: There is a small, white ball bearing located in a cup at the end of the drive shaft that could fall out when the motor is removed . Carefully remove it, and store it in a safe place for reassembly . Figure 3 - 11 Motor Removal Lift up and Out