Chapter 1010-1510.5 Parts Replacement Procedure10.5.1 Main Drive Assembly10.5.1.1 Removing the Rear Cover 0007-6423iR2270 / iR2870 / iR3570 / iR4570 / / iR2270N / / iR2870N / / iR3570N // iR4570N / iR2230 / / / iR3530 / / / / /1) Remove the 13 screws [1] and then the other screw [2]; then, detach therear cover [3].If the left cover (lower) has already been detached, the screw [3] should alsohave been removed.F-10-1610.5.1.2 Removing the Main Drive Assembly 0007-6424iR3570 / iR4570 / / iR3570N / / iR4570N / iR3530 /1) Disconnect the connector [1], and free the harness [2] from the wiresaddle.F-10-172) Remove the 4 screws [1], and detach the main drive assembly [2].F-10-18Do not touch the screws that are glued in place.10.5.1.3 Removing the Main Drive Assembly 0007-7367iR2270 / iR2870 / / iR2270N / / iR2870N / iR2230 / /1) Disconnect the 6 connectors [1].2) Free the cable from the 6 cable clamps [2].3) Remove the re-use band [3].F-10-194) Remove the 4 screws [1], and detach the main drive assembly [2].[1] [1][1][1][1][1][1][2][1][1][1][1][1][1][3]