JCM Part No . 960 - 000076R _ Rev . 1 © 2007, JCM - American Corporation 4 - 3 Disassembly/Reassembly World Bill Acceptor (WBA® - 1x/2x - SS & SS2) Section 4 Belt Tension Assembly Removal Perform the following steps to remove the WBA Acceptor’s Belt Tension Assembly: 1 . Remove the E - ring from the right rear shaft and remove the small Drive Gear ( See Figure 4 - 8 a) . 2 . Remove the two (2) screws and two (2) washers securing the Belt Tension Assembly to the housing on each end of the unit ( See Figure 4 - 8 b) . 3 . Remove the E - ring from the opposite end of the shaft and push the shaft toward the opposite side where the gear was mounted ( See Figure 4 - 9 a) . 4 . When shaft movement occurs, two pins that lock the inner gears in place will pop out of their slots . Remove the two pins from the shaft ( See Figure 4 - 9 b) . 5 . Pull the shaft completely out of the housing and remove the two (2) Belt Tension Assemblies (See Figure 4 - 9 c) . 6 . Remove the E - ring securing the end of each Tension Assembly and disassemble the unit into its respective Belt, Tension Roller, Pulley, Tension Spring, and Shaft Mount ( See Figure 4 - 10 a - f) . Transport Unit Disassembly Transport CPU Circuit Board Removal Perform the following steps to remove the early model WBA - 10/11 Transport Unit CPU Board Assembly, or skip to Step 4 if later model unit . 1 . Disconnect the nine (9) Harness Connectors from the Transport’s CPU Circuit Board ( See Figure 4 - 11) . Figure 4 - 8 Acceptor Head Drive Gear Removal b) a) b) Figure 4 - 9 Acceptor Head Drive Belt Assembly Removal b) a) b) c) c) Figure 4 - 10 Acceptor Head Drive Gear Tension Unit Disassembly b) a) d) c) e) f) Figure 4 - 11 WBA 10/11 CPU Board Removal